Changes in / [8465b4d:1eb239e4]


Ignore:
Files:
43 added
3 deleted
15 edited

Legend:

Unmodified
Added
Removed

  • .gitignore

    r8465b4d r1eb239e4  
    44
    55# generated by configure
    6 aclocal.m4
    7 automake
    86autom4te.cache
    97config.h
    … …  
    119config.log
    1210config.py
    13 configure
     11stamp-h1
    1412libtool
    15 stamp-h1
    1613/Makefile
    17 /Makefile.in
    1814**/Makefile
    19 **/Makefile.in
    2015/version
    2116

  • Jenkinsfile

    r8465b4d r1eb239e4  
    114114        release = Settings.RunAllTests || Settings.RunBenchmark
    115115        build_stage('Build : configure', true) {
    116                 // Configure must be run inside the tree
    117                 dir (SrcDir) {
    118                         // Generate the necessary build files
    119                         sh './autogen.sh'
    120                 }
    121 
    122116                // Build outside of the src tree to ease cleaning
    123117                dir (BuildDir) {

  • benchmark/Makefile.am

    r8465b4d r1eb239e4  
    1919
    2020# applies to both programs
    21 include $(top_srcdir)/tools/build/cfa.make
     21include $(top_srcdir)/src/cfa.make
    2222
    2323AM_CFLAGS = -O2 -Wall -Wextra -I$(srcdir) -lrt -pthread # -Werror

  • configure.ac

    r8465b4d r1eb239e4  
    66AC_CONFIG_AUX_DIR([automake])
    77AC_CONFIG_MACRO_DIRS([automake])
     8#AC_CONFIG_SRCDIR([src/main.cc])
    89AC_CONFIG_HEADERS([config.h:src/config.h.in])
    910AM_SILENT_RULES([yes])
    1011
    11 m4_include([tools/build/cfa.m4])
     12m4_include([automake/cfa.m4])
    1213
    1314# don't use the default CFLAGS as they unconditonnaly add -O2

  • libcfa/configure.ac

    r8465b4d r1eb239e4  
    88AM_SILENT_RULES([yes])
    99
    10 m4_include([../tools/build/cfa.m4])
     10m4_include([../automake/cfa.m4])
    1111
    1212AM_INIT_AUTOMAKE([subdir-objects])

  • libcfa/prelude/defines.hfa.in

    r8465b4d r1eb239e4  
    1 /* prelude/defines.hfa.in.  Generated from configure.ac by autoheader.  */
     1//
     2// Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo
     3//
     4// The contents of this file are covered under the licence agreement in the
     5// file "LICENCE" distributed with Cforall.
     6//
     7// defines.hfa.in --
     8//
     9// Author           : Thierry Delisle
     10// Created On       : Thu Apr 30 15:23:00 2020
     11// Last Modified By :
     12// Last Modified On :
     13// Update Count     :
     14//
    215
    3 /* Location of cfa command. */
    4 #undef CFA_BINDIR
     16//-----------------------------------------------------------------------
     17// Global Support
     18/* Defined if io_uring support is present when compiling libcfathread. */
     19#undef CFA_HAVE_LINUX_IO_URING_H
     20
     21//-----------------------------------------------------------------------
     22// Operations
     23/* Defined if io_uring support is present when compiling libcfathread and
     24   supports the operation IORING_OP_NOP. */
     25#undef CFA_HAVE_IORING_OP_NOP
     26
     27/* Defined if io_uring support is present when compiling libcfathread and
     28   supports the operation IORING_OP_READV. */
     29#undef CFA_HAVE_IORING_OP_READV
     30
     31/* Defined if io_uring support is present when compiling libcfathread and
     32   supports the operation IORING_OP_WRITEV. */
     33#undef CFA_HAVE_IORING_OP_WRITEV
     34
     35/* Defined if io_uring support is present when compiling libcfathread and
     36   supports the operation IORING_OP_FSYNC. */
     37#undef CFA_HAVE_IORING_OP_FSYNC
     38
     39/* Defined if io_uring support is present when compiling libcfathread and
     40   supports the operation IORING_OP_READ_FIXED. */
     41#undef CFA_HAVE_IORING_OP_READ_FIXED
     42
     43/* Defined if io_uring support is present when compiling libcfathread and
     44   supports the operation IORING_OP_WRITE_FIXED. */
     45#undef CFA_HAVE_IORING_OP_WRITE_FIXED
     46
     47/* Defined if io_uring support is present when compiling libcfathread and
     48   supports the operation IORING_OP_POLL_ADD. */
     49#undef CFA_HAVE_IORING_OP_POLL_ADD
     50
     51/* Defined if io_uring support is present when compiling libcfathread and
     52   supports the operation IORING_OP_POLL_REMOVE. */
     53#undef CFA_HAVE_IORING_OP_POLL_REMOVE
     54
     55/* Defined if io_uring support is present when compiling libcfathread and
     56   supports the operation IORING_OP_SYNC_FILE_RANGE. */
     57#undef CFA_HAVE_IORING_OP_SYNC_FILE_RANGE
     58
     59/* Defined if io_uring support is present when compiling libcfathread and
     60   supports the operation IORING_OP_SENDMSG. */
     61#undef CFA_HAVE_IORING_OP_SENDMSG
     62
     63/* Defined if io_uring support is present when compiling libcfathread and
     64   supports the operation IORING_OP_RECVMSG. */
     65#undef CFA_HAVE_IORING_OP_RECVMSG
     66
     67/* Defined if io_uring support is present when compiling libcfathread and
     68   supports the operation IORING_OP_TIMEOUT. */
     69#undef CFA_HAVE_IORING_OP_TIMEOUT
     70
     71/* Defined if io_uring support is present when compiling libcfathread and
     72   supports the operation IORING_OP_TIMEOUT_REMOVE. */
     73#undef CFA_HAVE_IORING_OP_TIMEOUT_REMOVE
    574
    675/* Defined if io_uring support is present when compiling libcfathread and
    … …  
    1382
    1483/* Defined if io_uring support is present when compiling libcfathread and
    15    supports the operation IORING_OP_CLOSE. */
    16 #undef CFA_HAVE_IORING_OP_CLOSE
     84   supports the operation IORING_OP_LINK_TIMEOUT. */
     85#undef CFA_HAVE_IORING_OP_LINK_TIMEOUT
    1786
    1887/* Defined if io_uring support is present when compiling libcfathread and
    … …  
    2190
    2291/* Defined if io_uring support is present when compiling libcfathread and
    23    supports the operation IORING_OP_EPOLL_CTL. */
    24 #undef CFA_HAVE_IORING_OP_EPOLL_CTL
     92   supports the operation IORING_OP_FALLOCATE. */
     93#undef CFA_HAVE_IORING_OP_FALLOCATE
     94
     95/* Defined if io_uring support is present when compiling libcfathread and
     96   supports the operation IORING_OP_OPENAT. */
     97#undef CFA_HAVE_IORING_OP_OPENAT
     98
     99/* Defined if io_uring support is present when compiling libcfathread and
     100   supports the operation IORING_OP_CLOSE. */
     101#undef CFA_HAVE_IORING_OP_CLOSE
     102
     103/* Defined if io_uring support is present when compiling libcfathread and
     104   supports the operation IORING_OP_FILES_UPDATE. */
     105#undef CFA_HAVE_IORING_OP_FILES_UPDATE
     106
     107/* Defined if io_uring support is present when compiling libcfathread and
     108   supports the operation IORING_OP_STATX. */
     109#undef CFA_HAVE_IORING_OP_STATX
     110
     111/* Defined if io_uring support is present when compiling libcfathread and
     112   supports the operation IORING_OP_READ. */
     113#undef CFA_HAVE_IORING_OP_READ
     114
     115/* Defined if io_uring support is present when compiling libcfathread and
     116   supports the operation IORING_OP_WRITE. */
     117#undef CFA_HAVE_IORING_OP_WRITE
    25118
    26119/* Defined if io_uring support is present when compiling libcfathread and
    … …  
    29122
    30123/* Defined if io_uring support is present when compiling libcfathread and
    31    supports the operation IORING_OP_FALLOCATE. */
    32 #undef CFA_HAVE_IORING_OP_FALLOCATE
    33 
    34 /* Defined if io_uring support is present when compiling libcfathread and
    35    supports the operation IORING_OP_FILES_UPDATE. */
    36 #undef CFA_HAVE_IORING_OP_FILES_UPDATE
    37 
    38 /* Defined if io_uring support is present when compiling libcfathread and
    39    supports the operation IORING_OP_FSYNC. */
    40 #undef CFA_HAVE_IORING_OP_FSYNC
    41 
    42 /* Defined if io_uring support is present when compiling libcfathread and
    43    supports the operation IORING_OP_LINK_TIMEOUT. */
    44 #undef CFA_HAVE_IORING_OP_LINK_TIMEOUT
    45 
    46 /* Defined if io_uring support is present when compiling libcfathread and
    47124   supports the operation IORING_OP_MADVISE. */
    48125#undef CFA_HAVE_IORING_OP_MADVISE
    49126
    50127/* Defined if io_uring support is present when compiling libcfathread and
    51    supports the operation IORING_OP_NOP. */
    52 #undef CFA_HAVE_IORING_OP_NOP
     128   supports the operation IORING_OP_SEND. */
     129#undef CFA_HAVE_IORING_OP_SEND
    53130
    54131/* Defined if io_uring support is present when compiling libcfathread and
    55    supports the operation IORING_OP_OPENAT. */
    56 #undef CFA_HAVE_IORING_OP_OPENAT
     132   supports the operation IORING_OP_RECV. */
     133#undef CFA_HAVE_IORING_OP_RECV
    57134
    58135/* Defined if io_uring support is present when compiling libcfathread and
    … …  
    61138
    62139/* Defined if io_uring support is present when compiling libcfathread and
    63    supports the operation IORING_OP_POLL_ADD. */
    64 #undef CFA_HAVE_IORING_OP_POLL_ADD
     140   supports the operation IORING_OP_EPOLL_CTL. */
     141#undef CFA_HAVE_IORING_OP_EPOLL_CTL
    65142
    66143/* Defined if io_uring support is present when compiling libcfathread and
    67    supports the operation IORING_OP_POLL_REMOVE. */
    68 #undef CFA_HAVE_IORING_OP_POLL_REMOVE
     144   supports the operation IORING_OP_SPLICE. */
     145#undef CFA_HAVE_IORING_OP_SPLICE
    69146
    70147/* Defined if io_uring support is present when compiling libcfathread and
    … …  
    73150
    74151/* Defined if io_uring support is present when compiling libcfathread and
    75    supports the operation IORING_OP_READ. */
    76 #undef CFA_HAVE_IORING_OP_READ
    77 
    78 /* Defined if io_uring support is present when compiling libcfathread and
    79    supports the operation IORING_OP_READV. */
    80 #undef CFA_HAVE_IORING_OP_READV
    81 
    82 /* Defined if io_uring support is present when compiling libcfathread and
    83    supports the operation IORING_OP_READ_FIXED. */
    84 #undef CFA_HAVE_IORING_OP_READ_FIXED
    85 
    86 /* Defined if io_uring support is present when compiling libcfathread and
    87    supports the operation IORING_OP_RECV. */
    88 #undef CFA_HAVE_IORING_OP_RECV
    89 
    90 /* Defined if io_uring support is present when compiling libcfathread and
    91    supports the operation IORING_OP_RECVMSG. */
    92 #undef CFA_HAVE_IORING_OP_RECVMSG
    93 
    94 /* Defined if io_uring support is present when compiling libcfathread and
    95152   supports the operation IORING_OP_REMOVE_BUFFER. */
    96153#undef CFA_HAVE_IORING_OP_REMOVE_BUFFER
    97154
    98 /* Defined if io_uring support is present when compiling libcfathread and
    99    supports the operation IORING_OP_SEND. */
    100 #undef CFA_HAVE_IORING_OP_SEND
    101 
    102 /* Defined if io_uring support is present when compiling libcfathread and
    103    supports the operation IORING_OP_SENDMSG. */
    104 #undef CFA_HAVE_IORING_OP_SENDMSG
    105 
    106 /* Defined if io_uring support is present when compiling libcfathread and
    107    supports the operation IORING_OP_SPLICE. */
    108 #undef CFA_HAVE_IORING_OP_SPLICE
    109 
    110 /* Defined if io_uring support is present when compiling libcfathread and
    111    supports the operation IORING_OP_STATX. */
    112 #undef CFA_HAVE_IORING_OP_STATX
    113 
    114 /* Defined if io_uring support is present when compiling libcfathread and
    115    supports the operation IORING_OP_SYNC_FILE_RANGE. */
    116 #undef CFA_HAVE_IORING_OP_SYNC_FILE_RANGE
    117 
    118 /* Defined if io_uring support is present when compiling libcfathread and
    119    supports the operation IORING_OP_TIMEOUT. */
    120 #undef CFA_HAVE_IORING_OP_TIMEOUT
    121 
    122 /* Defined if io_uring support is present when compiling libcfathread and
    123    supports the operation IORING_OP_TIMEOUT_REMOVE. */
    124 #undef CFA_HAVE_IORING_OP_TIMEOUT_REMOVE
    125 
    126 /* Defined if io_uring support is present when compiling libcfathread and
    127    supports the operation IORING_OP_WRITE. */
    128 #undef CFA_HAVE_IORING_OP_WRITE
    129 
    130 /* Defined if io_uring support is present when compiling libcfathread and
    131    supports the operation IORING_OP_WRITEV. */
    132 #undef CFA_HAVE_IORING_OP_WRITEV
    133 
    134 /* Defined if io_uring support is present when compiling libcfathread and
    135    supports the operation IORING_OP_WRITE_FIXED. */
    136 #undef CFA_HAVE_IORING_OP_WRITE_FIXED
    137 
    138 /* Defined if io_uring support is present when compiling libcfathread and
    139    supports the flag ASYNC. */
    140 #undef CFA_HAVE_IOSQE_ASYNC
    141 
     155//-----------------------------------------------------------------------
     156// Flags
    142157/* Defined if io_uring support is present when compiling libcfathread and
    143158   supports the flag FIXED_FILE. */
    … …  
    149164
    150165/* Defined if io_uring support is present when compiling libcfathread and
    151    supports the flag IO_HARDLINK. */
    152 #undef CFA_HAVE_IOSQE_IO_HARDLINK
     166   supports the flag ASYNC. */
     167#undef CFA_HAVE_IOSQE_ASYNC
    153168
    154169/* Defined if io_uring support is present when compiling libcfathread and
    … …  
    156171#undef CFA_HAVE_IOSQE_IO_LINK
    157172
    158 /* Defined if io_uring support is present when compiling libcfathread. */
    159 #undef CFA_HAVE_LINUX_IO_URING_H
     173/* Defined if io_uring support is present when compiling libcfathread and
     174   supports the flag IO_HARDLINK. */
     175#undef CFA_HAVE_IOSQE_IO_HARDLINK
    160176
    161177/* Defined if io_uring support is present when compiling libcfathread and
    … …  
    163179#undef CFA_HAVE_SPLICE_F_FD_IN_FIXED
    164180
    165 /* Location of include files. */
    166 #undef CFA_INCDIR
    167 
    168 /* Location of cc1 and cfa-cpp commands. */
    169 #undef CFA_LIBDIR
    170 
    171 /* Location of cfa install. */
    172 #undef CFA_PREFIX
    173 
    174 /* Define to 1 if you have the <dlfcn.h> header file. */
    175 #undef HAVE_DLFCN_H
    176 
    177 /* Define to 1 if you have the <inttypes.h> header file. */
    178 #undef HAVE_INTTYPES_H
    179 
    180 /* Define to 1 if you have the <linux/io_uring.h> header file. */
    181 #undef HAVE_LINUX_IO_URING_H
    182 
    183 /* Define to 1 if you have the <memory.h> header file. */
    184 #undef HAVE_MEMORY_H
    185 
     181//-----------------------------------------------------------------------
     182// Other calls
    186183/* Define to 1 if you have the `preadv2' function. */
    187184#undef HAVE_PREADV2
    … …  
    190187#undef HAVE_PWRITEV2
    191188
    192 /* Define to 1 if you have the <stdint.h> header file. */
    193 #undef HAVE_STDINT_H
    194 
    195 /* Define to 1 if you have the <stdlib.h> header file. */
    196 #undef HAVE_STDLIB_H
    197 
    198 /* Define to 1 if you have the <strings.h> header file. */
    199 #undef HAVE_STRINGS_H
    200 
    201 /* Define to 1 if you have the <string.h> header file. */
    202 #undef HAVE_STRING_H
    203 
    204 /* Define to 1 if you have the <sys/stat.h> header file. */
    205 #undef HAVE_SYS_STAT_H
    206 
    207 /* Define to 1 if you have the <sys/types.h> header file. */
    208 #undef HAVE_SYS_TYPES_H
    209 
    210 /* Define to 1 if you have the <unistd.h> header file. */
    211 #undef HAVE_UNISTD_H
    212 
    213 /* Define to the sub-directory where libtool stores uninstalled libraries. */
    214 #undef LT_OBJDIR
    215 
    216 /* Name of package */
    217 #undef PACKAGE
    218 
    219 /* Define to the address where bug reports for this package should be sent. */
    220 #undef PACKAGE_BUGREPORT
    221 
    222 /* Define to the full name of this package. */
    223 #undef PACKAGE_NAME
    224 
    225 /* Define to the full name and version of this package. */
    226 #undef PACKAGE_STRING
    227 
    228 /* Define to the one symbol short name of this package. */
    229 #undef PACKAGE_TARNAME
    230 
    231 /* Define to the home page for this package. */
    232 #undef PACKAGE_URL
    233 
    234 /* Define to the version of this package. */
    235 #undef PACKAGE_VERSION
    236 
    237 /* Define to 1 if you have the ANSI C header files. */
    238 #undef STDC_HEADERS
    239 
    240 /* Version number of package */
    241 #undef VERSION
    242 
     189//-----------------------------------------------------------------------
     190// Statistics
    243191/* Defined if libcfathread was compiled without support for statistics. */
    244192#undef __CFA_NO_STATISTICS__

  • libcfa/src/Makefile.am

    r8465b4d r1eb239e4  
    1919ACLOCAL_AMFLAGS  = -I automake
    2020
    21 include $(top_srcdir)/../tools/build/cfa.make
     21include $(srcdir)/../../src/cfa.make
    2222
    2323libdir = ${CFA_LIBDIR}

  • libcfa/src/bitmanip.hfa

    r8465b4d r1eb239e4  
    1111// Created On       : Sat Mar 14 18:12:27 2020
    1212// Last Modified By : Peter A. Buhr
    13 // Last Modified On : Mon Aug 10 09:21:02 2020
    14 // Update Count     : 139
     13// Last Modified On : Tue Jun  9 15:14:04 2020
     14// Update Count     : 123
    1515//
    1616
    … …  
    2121// Bits are numbered 1-N.
    2222
    23 #include <assert.h>
     23//#include <assert.h>
    2424
    2525#define __bitsizeof( n ) (sizeof(n) * __CHAR_BIT__)
    … …  
    8989
    9090        // Returns n aligned at the floor of align, clear bits above or equal to align, giving n % align.
    91         signed char floor2( signed char n, signed char align ) { verify( is_pow2( align ) ); return n & -align; }
    92         unsigned char floor2( unsigned char n, unsigned char align ) { verify( is_pow2( align ) ); return n & -align; }
    93         short int floor2( short int n, short int align ) { verify( is_pow2( align ) ); return n & -align; }
    94         unsigned short int floor2( unsigned short int n, unsigned short int align ) { verify( is_pow2( align ) ); return n & -align; }
    95         int floor2( int n, int align ) { verify( is_pow2( align ) ); return n & -align; }
    96         unsigned int floor2( unsigned int n, unsigned int align ) { verify( is_pow2( align ) ); return n & -align; }
    97         long int floor2( long int n, long int align ) { verify( is_pow2( align ) ); return n & -align; }
    98         unsigned long int floor2( unsigned long int n, unsigned long int align ) { verify( is_pow2( align ) ); return n & -align; }
    99         long long int floor2( long long int n, long long int align ) { verify( is_pow2( align ) ); return n & -align; }
    100         unsigned long long int floor2( unsigned long long int n, unsigned long long int align ) { verify( is_pow2( align ) ); return n & -align; }
     91        signed char floor2( signed char n, char align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
     92        unsigned char floor2( unsigned char n, unsigned char align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
     93        short int floor2( short int n, short int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
     94        unsigned short int floor2( unsigned short int n, unsigned short int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
     95        int floor2( int n, int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
     96        unsigned int floor2( unsigned int n, unsigned int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
     97        long int floor2( long int n, long int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
     98        unsigned long int floor2( unsigned long int n, unsigned long int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
     99        long long int floor2( long long int n, long long int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
     100        unsigned long long int floor2( unsigned long long int n, unsigned long long int align ) { /*assert( is_pow2( align ) );*/ return n & -align; }
    101101
    102102        // forall( otype T | { T ?&?( T, T ); T -?( T ); } )
    103         // T floor2( T n, T align ) { verify( is_pow2( align ) ); return n & -align; }
     103        // T floor2( T n, T align ) { /* assert( is_pow2( align ) ); */ return n & -align; }
    104104
    105         signed char floor( signed char n, signed char align ) { return n / align * align; }
     105        signed char floor( signed char n, char align ) { return n / align * align; }
    106106        unsigned char floor( unsigned char n, unsigned char align ) { return n / align * align; }
    107107        short int floor( short int n, short int align ) { return n / align * align; }
    … …  
    118118
    119119        // Returns n aligned at the ceiling of align, negate, round down, negate is the same as round up.
    120         signed char ceiling2( signed char n, signed char align ) { verify( is_pow2( align ) ); return -floor2( -n, align ); }
    121         unsigned char ceiling2( unsigned char n, unsigned char align ) { verify( is_pow2( align ) ); return -floor2( -n, align ); }
    122         short int ceiling2( short int n, short int align ) { verify( is_pow2( align ) ); return -floor2( -n, align ); }
    123         unsigned short int ceiling2( unsigned short int n, unsigned short int align ) { verify( is_pow2( align ) ); return -floor2( -n, align ); }
    124         int ceiling2( int n, int align ) { verify( is_pow2( align ) ); return -floor2( -n, align ); }
    125         unsigned int ceiling2( unsigned int n, unsigned int align ) { verify( is_pow2( align ) ); return -floor2( -n, align ); }
    126         long int ceiling2( long int n, long int align ) { verify( is_pow2( align ) ); return -floor2( -n, align ); }
    127         unsigned long int ceiling2( unsigned long int n, unsigned long int align ) { verify( is_pow2( align ) ); return -floor2( -n, align ); }
    128         long long int ceiling2( long long int n, long long int align ) { verify( is_pow2( align ) ); return -floor2( -n, align ); }
    129         unsigned long long int ceiling2( unsigned long long int n, unsigned long long int align ) { verify( is_pow2( align ) ); return -floor2( -n, align ); }
     120        signed char ceiling2( signed char n, char align ) { /*assert( is_pow2( align ) );*/ return -floor2( -n, align ); }
     121        unsigned char ceiling2( unsigned char n, unsigned char align ) { /*assert( is_pow2( align ) );*/ return -floor2( -n, align ); }
     122        short int ceiling2( short int n, short int align ) { /*assert( is_pow2( align ) );*/ return -floor2( -n, align ); }
     123        unsigned short int ceiling2( unsigned short int n, unsigned short int align ) { /*assert( is_pow2( align ) );*/ return -floor2( -n, align ); }
     124        int ceiling2( int n, int align ) { /*assert( is_pow2( align ) );*/ return -floor2( -n, align ); }
     125        unsigned int ceiling2( unsigned int n, unsigned int align ) { /*assert( is_pow2( align ) );*/ return -floor2( -n, align ); }
     126        long int ceiling2( long int n, long int align ) { /*assert( is_pow2( align ) );*/ return -floor2( -n, align ); }
     127        unsigned long int ceiling2( unsigned long int n, unsigned long int align ) { /*assert( is_pow2( align ) );*/ return -floor2( -n, align ); }
     128        long long int ceiling2( long long int n, long long int align ) { /*assert( is_pow2( align ) );*/ return -floor2( -n, align ); }
     129        unsigned long long int ceiling2( unsigned long long int n, unsigned long long int align ) { /*assert( is_pow2( align ) );*/ return -floor2( -n, align ); }
    130130
    131131        // forall( otype T | { T floor2( T, T ); T -?( T ); } )
    132         // T ceiling2( T n, T align ) { verify( is_pow2( align ) ); return -floor2( -n, align ); }
     132        // T ceiling2( T n, T align ) { /* assert( is_pow2( align ) ); */ return -floor2( -n, align ); }
    133133
    134         signed char ceiling_div( signed char n, char align ) { return (n + (align - 1)) / align; }
    135         unsigned char ceiling_div( unsigned char n, unsigned char align ) { return (n + (align - 1)) / align; }
    136         short int ceiling_div( short int n, short int align ) { return (n + (align - 1)) / align; }
    137         unsigned short int ceiling_div( unsigned short int n, unsigned short int align ) { return (n + (align - 1)) / align; }
    138         int ceiling_div( int n, int align ) { return (n + (align - 1)) / align; }
    139         unsigned int ceiling_div( unsigned int n, unsigned int align ) { return (n + (align - 1)) / align; }
    140         long int ceiling_div( long int n, long int align ) { return (n + (align - 1)) / align; }
    141         unsigned long int ceiling_div( unsigned long int n, unsigned long int align ) { return (n + (align - 1)) / align; }
    142         long long int ceiling_div( long long int n, long long int align ) { return (n + (align - 1)) / align; }
    143         unsigned long long int ceiling_div( unsigned long long int n, unsigned long long int align ) { return (n + (align - 1)) / align; }
    144 
    145         // forall( otype T | { T ?+?( T, T ); T ?-?( T, T ); T ?%?( T, T ); } )
    146         // T ceiling_div( T n, T align ) { verify( is_pow2( align ) );return (n + (align - 1)) / align; }
    147        
    148         // gcc notices the div/mod pair and saves both so only one div.
    149         signed char ceiling( signed char n, signed char align ) { return floor( n + (n % align != 0 ? align - 1 : 0), align ); }
    150         unsigned char ceiling( unsigned char n, unsigned char align ) { return floor( n + (n % align != 0 ? align - 1 : 0), align ); }
    151         short int ceiling( short int n, short int align ) { return floor( n + (n % align != 0 ? align - 1 : 0), align ); }
    152         unsigned short int ceiling( unsigned short int n, unsigned short int align ) { return floor( n + (n % align != 0 ? align - 1 : 0), align ); }
    153         int ceiling( int n, int align ) { return floor( n + (n % align != 0 ? align - 1 : 0), align ); }
    154         unsigned int ceiling( unsigned int n, unsigned int align ) { return floor( n + (n % align != 0 ? align - 1 : 0), align ); }
    155         long int ceiling( long int n, long int align ) { return floor( n + (n % align != 0 ? align - 1 : 0), align ); }
    156         unsigned long int ceiling( unsigned long int n, unsigned long int align ) { return floor( n + (n % align != 0 ? align - 1 : 0) , align); }
    157         long long int ceiling( long long int n, long long int align ) { return floor( n + (n % align != 0 ? align - 1 : 0), align ); }
    158         unsigned long long int ceiling( unsigned long long int n, unsigned long long int align ) { return floor( n + (n % align != 0 ? align - 1 : 0), align ); }
     134        signed char ceiling( signed char n, char align ) { return (n + (align - 1)) / align; }
     135        unsigned char ceiling( unsigned char n, unsigned char align ) { return (n + (align - 1)) / align; }
     136        short int ceiling( short int n, short int align ) { return (n + (align - 1)) / align; }
     137        unsigned short int ceiling( unsigned short int n, unsigned short int align ) { return (n + (align - 1)) / align; }
     138        int ceiling( int n, int align ) { return (n + (align - 1)) / align; }
     139        unsigned int ceiling( unsigned int n, unsigned int align ) { return (n + (align - 1)) / align; }
     140        long int ceiling( long int n, long int align ) { return (n + (align - 1)) / align; }
     141        unsigned long int ceiling( unsigned long int n, unsigned long int align ) { return (n + (align - 1)) / align; }
     142        long long int ceiling( long long int n, long long int align ) { return (n + (align - 1)) / align; }
     143        unsigned long long int ceiling( unsigned long long int n, unsigned long long int align ) { return (n + (align - 1)) / align; }
    159144
    160145        // forall( otype T | { void ?{}( T &, one_t ); T ?+?( T, T ); T ?-?( T, T ); T ?/?( T, T ); } )
    161         // T ceiling( T n, T align ) { return return floor( n + (n % align != 0 ? align - 1 : 0), align ); *}
     146        // T ceiling( T n, T align ) { return (n + (align - (T){1})) / align; }
    162147} // distribution
    163148

  • libcfa/src/heap.cfa

    r8465b4d r1eb239e4  
    55// file "LICENCE" distributed with Cforall.
    66//
    7 // heap.cfa --
     7// heap.c --
    88//
    99// Author           : Peter A. Buhr
    1010// Created On       : Tue Dec 19 21:58:35 2017
    1111// Last Modified By : Peter A. Buhr
    12 // Last Modified On : Sun Aug  9 12:23:20 2020
    13 // Update Count     : 894
     12// Last Modified On : Wed Aug  5 22:21:27 2020
     13// Update Count     : 853
    1414//
    1515
    … …  
    2323#include <sys/mman.h>                                                                   // mmap, munmap
    2424
    25 #include "bits/align.hfa"                                                               // libAlign
     25#include "bits/align.hfa"                                                               // libPow2
    2626#include "bits/defs.hfa"                                                                // likely, unlikely
    2727#include "bits/locks.hfa"                                                               // __spinlock_t
    … …  
    8888} // default_heap_expansion
    8989
     90bool default_heap_exhausted() __attribute__(( weak )) { // find and free some storage
     91        // Returning false prints "out of heap memory" message and aborts.
     92        return false;
     93} // default_heap_exhausted
     94
    9095
    9196#ifdef __CFA_DEBUG__
    92 static size_t allocUnfreed;                                                             // running total of allocations minus frees
     97static unsigned int allocFree;                                                  // running total of allocations minus frees
    9398
    9499static void prtUnfreed() {
    95         if ( allocUnfreed != 0 ) {
     100        if ( allocFree != 0 ) {
    96101                // DO NOT USE STREAMS AS THEY MAY BE UNAVAILABLE AT THIS POINT.
    97102                char helpText[512];
    98                 int len = snprintf( helpText, sizeof(helpText), "CFA warning (UNIX pid:%ld) : program terminating with %zu(0x%zx) bytes of storage allocated but not freed.\n"
     103                int len = snprintf( helpText, sizeof(helpText), "CFA warning (UNIX pid:%ld) : program terminating with %u(0x%x) bytes of storage allocated but not freed.\n"
    99104                                                        "Possible cause is unfreed storage allocated by the program or system/library routines called from the program.\n",
    100                                                         (long int)getpid(), allocUnfreed, allocUnfreed ); // always print the UNIX pid
     105                                                        (long int)getpid(), allocFree, allocFree ); // always print the UNIX pid
    101106                __cfaabi_bits_write( STDERR_FILENO, helpText, len ); // print debug/nodebug
    102107        } // if
    … …  
    105110extern "C" {
    106111        void heapAppStart() {                                                           // called by __cfaabi_appready_startup
    107                 allocUnfreed = 0;
     112                allocFree = 0;
    108113        } // heapAppStart
    109114
    … …  
    221226#define __STATISTICS__
    222227
    223 // Size of array must harmonize with NoBucketSizes and individual bucket sizes must be multiple of 16.
     228// Bucket size must be multiple of 16.
    224229// Smaller multiples of 16 and powers of 2 are common allocation sizes, so make them generate the minimum required bucket size.
    225230// malloc(0) returns 0p, so no bucket is necessary for 0 bytes returning an address that can be freed.
    … …  
    244249};
    245250
    246 static_assert( NoBucketSizes == sizeof(bucketSizes) / sizeof(bucketSizes[0] ), "size of bucket array wrong" );
     251static_assert( NoBucketSizes == sizeof(bucketSizes) / sizeof(bucketSizes[0]), "size of bucket array wrong" );
    247252
    248253#ifdef FASTLOOKUP
    … …  
    262267#ifdef __STATISTICS__
    263268// Heap statistics counters.
     269static unsigned long long int mmap_storage;
     270static unsigned int mmap_calls;
     271static unsigned long long int munmap_storage;
     272static unsigned int munmap_calls;
     273static unsigned long long int sbrk_storage;
     274static unsigned int sbrk_calls;
     275static unsigned long long int malloc_storage;
    264276static unsigned int malloc_calls;
    265 static unsigned long long int malloc_storage;
     277static unsigned long long int free_storage;
     278static unsigned int free_calls;
     279static unsigned long long int aalloc_storage;
    266280static unsigned int aalloc_calls;
    267 static unsigned long long int aalloc_storage;
     281static unsigned long long int calloc_storage;
    268282static unsigned int calloc_calls;
    269 static unsigned long long int calloc_storage;
     283static unsigned long long int memalign_storage;
    270284static unsigned int memalign_calls;
    271 static unsigned long long int memalign_storage;
     285static unsigned long long int amemalign_storage;
    272286static unsigned int amemalign_calls;
    273 static unsigned long long int amemalign_storage;
     287static unsigned long long int cmemalign_storage;
    274288static unsigned int cmemalign_calls;
    275 static unsigned long long int cmemalign_storage;
     289static unsigned long long int resize_storage;
    276290static unsigned int resize_calls;
    277 static unsigned long long int resize_storage;
     291static unsigned long long int realloc_storage;
    278292static unsigned int realloc_calls;
    279 static unsigned long long int realloc_storage;
    280 static unsigned int free_calls;
    281 static unsigned long long int free_storage;
    282 static unsigned int mmap_calls;
    283 static unsigned long long int mmap_storage;
    284 static unsigned int munmap_calls;
    285 static unsigned long long int munmap_storage;
    286 static unsigned int sbrk_calls;
    287 static unsigned long long int sbrk_storage;
    288293// Statistics file descriptor (changed by malloc_stats_fd).
    289 static int stat_fd = STDERR_FILENO;                                             // default stderr
     294static int statfd = STDERR_FILENO;                                              // default stderr
    290295
    291296// Use "write" because streams may be shutdown when calls are made.
    … …  
    307312                                                                        "  sbrk: calls %u / storage %llu\n",
    308313                                                                        malloc_calls, malloc_storage,
    309                                                                         aalloc_calls, aalloc_storage,
     314                                                                        aalloc_calls, calloc_storage,
    310315                                                                        calloc_calls, calloc_storage,
    311316                                                                        memalign_calls, memalign_storage,
    … …  
    405410
    406411
     412// static inline void noMemory() {
     413//      abort( "Heap memory exhausted at %zu bytes.\n"
     414//                 "Possible cause is very large memory allocation and/or large amount of unfreed storage allocated by the program or system/library routines.",
     415//                 ((char *)(sbrk( 0 )) - (char *)(heapManager.heapBegin)) );
     416// } // noMemory
     417
     418
    407419static inline void checkAlign( size_t alignment ) {
    408         if ( alignment < libAlign() || ! is_pow2( alignment ) ) {
     420        if ( alignment < libAlign() || ! libPow2( alignment ) ) {
    409421                abort( "Alignment %zu for memory allocation is less than %d and/or not a power of 2.", alignment, libAlign() );
    410422        } // if
    … …  
    429441                header = realHeader( header );                                  // backup from fake to real header
    430442        } else {
    431                 alignment = libAlign();                                                 // => no fake header
     443                alignment = 0;
    432444        } // if
    433445} // fakeHeader
    … …  
    438450        header = headerAddr( addr );
    439451
    440   if ( unlikely( heapEnd < addr ) ) {                                   // mmapped ?
     452        if ( unlikely( heapEnd < addr ) ) {                                     // mmapped ?
    441453                fakeHeader( header, alignment );
    442454                size = header->kind.real.blockSize & -3;                // mmap size
    … …  
    466478} // headers
    467479
    468 #define NO_MEMORY_MSG "insufficient heap memory available for allocating %zd new bytes."
     480#define NO_MEMORY_MSG "no heap memory available for allocating %zd new bytes."
    469481
    470482static inline void * extend( size_t size ) with( heapManager ) {
    … …  
    474486                // If the size requested is bigger than the current remaining storage, increase the size of the heap.
    475487
    476                 size_t increase = ceiling2( size > heapExpand ? size : heapExpand, libAlign() );
    477                 if ( sbrk( increase ) == (void *)-1 ) {                 // failed, no memory ?
     488                size_t increase = libCeiling( size > heapExpand ? size : heapExpand, libAlign() );
     489          Succeed:
     490                {
     491                        if ( sbrk( increase ) != (void *)-1 ) break Succeed; // succeed ?
     492                        if ( default_heap_exhausted() ) {                       // try fix
     493                                if ( sbrk( increase ) != (void *)-1 ) break Succeed; // succeed ?
     494                        } // if
    478495                        unlock( extlock );
    479496                        abort( NO_MEMORY_MSG, size );                           // give up
    480                 } // if
     497                }
    481498                #ifdef __STATISTICS__
    482499                sbrk_calls += 1;
    … …  
    514531                        posn = Bsearchl( (unsigned int)tsize, bucketSizes, (size_t)maxBucketsUsed );
    515532                HeapManager.FreeHeader * freeElem = &freeLists[posn];
    516                 verify( freeElem <= &freeLists[maxBucketsUsed] ); // subscripting error ?
    517                 verify( tsize <= freeElem->blockSize );                 // search failure ?
     533                // #ifdef FASTLOOKUP
     534                // if ( tsize < LookupSizes )
     535                //      freeElem = &freeLists[lookup[tsize]];
     536                // else
     537                // #endif // FASTLOOKUP
     538                //      freeElem = bsearchl( tsize, freeLists, (size_t)maxBucketsUsed ); // binary search
     539                // HeapManager.FreeHeader * freeElem =
     540                //      #ifdef FASTLOOKUP
     541                //      tsize < LookupSizes ? &freeLists[lookup[tsize]] :
     542                //      #endif // FASTLOOKUP
     543                //      bsearchl( tsize, freeLists, (size_t)maxBucketsUsed ); // binary search
     544                assert( freeElem <= &freeLists[maxBucketsUsed] ); // subscripting error ?
     545                assert( tsize <= freeElem->blockSize );                 // search failure ?
    518546                tsize = freeElem->blockSize;                                    // total space needed for request
    519547
    … …  
    545573        } else {                                                                                        // large size => mmap
    546574  if ( unlikely( size > ULONG_MAX - pageSize ) ) return 0p;
    547                 tsize = ceiling2( tsize, pageSize );                    // must be multiple of page size
     575                tsize = libCeiling( tsize, pageSize );                  // must be multiple of page size
    548576                #ifdef __STATISTICS__
    549577                __atomic_add_fetch( &mmap_calls, 1, __ATOMIC_SEQ_CST );
    550578                __atomic_add_fetch( &mmap_storage, tsize, __ATOMIC_SEQ_CST );
    551579                #endif // __STATISTICS__
    552 
    553                 block = (HeapManager.Storage *)mmap( 0, tsize, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, mmapFd, 0 );
    554                 if ( block == (HeapManager.Storage *)MAP_FAILED ) { // failed ?
    555                         if ( errno == ENOMEM ) abort( NO_MEMORY_MSG, tsize ); // no memory
     580          Succeed:
     581                {
     582                        block = (HeapManager.Storage *)mmap( 0, tsize, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, mmapFd, 0 );
     583                        if ( block != (HeapManager.Storage *)MAP_FAILED ) break Succeed; // succeed ?
     584                        if ( errno == ENOMEM && default_heap_exhausted() ) { // out of memory and try again ?
     585                                block = (HeapManager.Storage *)mmap( 0, tsize, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, mmapFd, 0 );
     586                                if ( block != (HeapManager.Storage *)MAP_FAILED ) break Succeed; // succeed ?
     587                        } // if
     588                        if ( errno == ENOMEM ) abort( NO_MEMORY_MSG, tsize );
    556589                        // Do not call strerror( errno ) as it may call malloc.
    557590                        abort( "(HeapManager &)0x%p.doMalloc() : internal error, mmap failure, size:%zu error:%d.", &heapManager, tsize, errno );
    558                 } //if
     591                }
    559592                #ifdef __CFA_DEBUG__
    560593                // Set new memory to garbage so subsequent uninitialized usages might fail.
    … …  
    566599        block->header.kind.real.size = size;                            // store allocation size
    567600        void * addr = &(block->data);                                           // adjust off header to user bytes
    568         verify( ((uintptr_t)addr & (libAlign() - 1)) == 0 ); // minimum alignment ?
    569601
    570602        #ifdef __CFA_DEBUG__
    571         __atomic_add_fetch( &allocUnfreed, tsize, __ATOMIC_SEQ_CST );
     603        assert( ((uintptr_t)addr & (libAlign() - 1)) == 0 ); // minimum alignment ?
     604        __atomic_add_fetch( &allocFree, tsize, __ATOMIC_SEQ_CST );
    572605        if ( traceHeap() ) {
    573606                enum { BufferSize = 64 };
    574607                char helpText[BufferSize];
    575608                int len = snprintf( helpText, BufferSize, "%p = Malloc( %zu ) (allocated %zu)\n", addr, size, tsize );
     609                // int len = snprintf( helpText, BufferSize, "Malloc %p %zu\n", addr, size );
    576610                __cfaabi_bits_write( STDERR_FILENO, helpText, len ); // print debug/nodebug
    577611        } // if
    … …  
    625659
    626660        #ifdef __CFA_DEBUG__
    627         __atomic_add_fetch( &allocUnfreed, -size, __ATOMIC_SEQ_CST );
     661        __atomic_add_fetch( &allocFree, -size, __ATOMIC_SEQ_CST );
    628662        if ( traceHeap() ) {
    629                 char helpText[64];
     663                enum { BufferSize = 64 };
     664                char helpText[BufferSize];
    630665                int len = snprintf( helpText, sizeof(helpText), "Free( %p ) size:%zu\n", addr, size );
    631666                __cfaabi_bits_write( STDERR_FILENO, helpText, len ); // print debug/nodebug
    … …  
    650685                for ( HeapManager.Storage * p = freeLists[i].freeList; p != 0p; p = p->header.kind.real.next ) {
    651686                #else
    652                 for ( HeapManager.Storage * p = top( freeLists[i].freeList ); p != 0p; p = (p)`next->top ) {
     687                for ( HeapManager.Storage * p = top( freeLists[i].freeList ); p != 0p; /* p = getNext( p )->top */) {
     688                        typeof(p) temp = ( p )`next->top;                       // FIX ME: direct assignent fails, initialization works
     689                        p = temp;
    653690                #endif // BUCKETLOCK
    654691                        total += size;
    … …  
    692729
    693730        char * end = (char *)sbrk( 0 );
    694         heapBegin = heapEnd = sbrk( (char *)ceiling2( (long unsigned int)end, libAlign() ) - end ); // move start of heap to multiple of alignment
     731        heapBegin = heapEnd = sbrk( (char *)libCeiling( (long unsigned int)end, libAlign() ) - end ); // move start of heap to multiple of alignment
    695732} // HeapManager
    696733
    … …  
    700737        if ( traceHeapTerm() ) {
    701738                printStats();
    702                 // prtUnfreed() called in heapAppStop()
     739                // if ( prtfree() ) prtFree( heapManager, true );
    703740        } // if
    704741        #endif // __STATISTICS__
    … …  
    709746void memory_startup( void ) {
    710747        #ifdef __CFA_DEBUG__
    711         if ( heapBoot ) {                                                                       // check for recursion during system boot
     748        if ( unlikely( heapBoot ) ) {                                           // check for recursion during system boot
    712749                // DO NOT USE STREAMS AS THEY MAY BE UNAVAILABLE AT THIS POINT.
    713750                abort( "boot() : internal error, recursively invoked during system boot." );
    … …  
    716753        #endif // __CFA_DEBUG__
    717754
    718         //verify( heapManager.heapBegin != 0 );
     755        //assert( heapManager.heapBegin != 0 );
    719756        //heapManager{};
    720757        if ( heapManager.heapBegin == 0p ) heapManager{};       // sanity check
    … …  
    728765
    729766static inline void * mallocNoStats( size_t size ) {             // necessary for malloc statistics
    730         verify( heapManager.heapBegin != 0p );                          // called before memory_startup ?
     767        verify( heapManager.heapBegin != 0 );                           // called before memory_startup ?
    731768  if ( unlikely( size ) == 0 ) return 0p;                               // 0 BYTE ALLOCATION RETURNS NULL POINTER
    732769
    … …  
    764801
    765802
    766 static inline void * memalignNoStats( size_t alignment, size_t size ) {
     803static inline void * memalignNoStats( size_t alignment, size_t size ) { // necessary for malloc statistics
    767804  if ( unlikely( size ) == 0 ) return 0p;                               // 0 BYTE ALLOCATION RETURNS NULL POINTER
    768805
    … …  
    786823
    787824        // address in the block of the "next" alignment address
    788         char * user = (char *)ceiling2( (uintptr_t)(addr + sizeof(HeapManager.Storage)), alignment );
     825        char * user = (char *)libCeiling( (uintptr_t)(addr + sizeof(HeapManager.Storage)), alignment );
    789826
    790827        // address of header from malloc
    … …  
    814851        #endif // __CFA_DEBUG__
    815852                headers( "cmemalign", addr, header, freeElem, bsize, alignment );
     853        #ifndef __CFA_DEBUG__
    816854
    817855        // Mapped storage is zero filled, but in debug mode mapped memory is scrubbed in doMalloc, so it has to be reset to zero.
    818         #ifndef __CFA_DEBUG__
    819856        if ( ! mapped )
    820857        #endif // __CFA_DEBUG__
    … …  
    828865
    829866
     867// supported mallopt options
     868#ifndef M_MMAP_THRESHOLD
     869#define M_MMAP_THRESHOLD (-1)
     870#endif // M_TOP_PAD
     871#ifndef M_TOP_PAD
     872#define M_TOP_PAD (-2)
     873#endif // M_TOP_PAD
     874
     875
    830876extern "C" {
    831877        // Allocates size bytes and returns a pointer to the allocated memory.  The contents are undefined. If size is 0,
    … …  
    843889        // Same as malloc() except size bytes is an array of dim elements each of elemSize bytes.
    844890        void * aalloc( size_t dim, size_t elemSize ) {
    845                 size_t size = dim * elemSize;
    846891                #ifdef __STATISTICS__
    847892                __atomic_add_fetch( &aalloc_calls, 1, __ATOMIC_SEQ_CST );
    848                 __atomic_add_fetch( &aalloc_storage, size, __ATOMIC_SEQ_CST );
    849                 #endif // __STATISTICS__
    850 
    851                 return mallocNoStats( size );
     893                __atomic_add_fetch( &aalloc_storage, dim * elemSize, __ATOMIC_SEQ_CST );
     894                #endif // __STATISTICS__
     895
     896                return mallocNoStats( dim * elemSize );
    852897        } // aalloc
    853898
    … …  
    862907                return callocNoStats( dim, elemSize );
    863908        } // calloc
    864 
    865909
    866910        // Change the size of the memory block pointed to by oaddr to size bytes. The contents are undefined.  If oaddr is
    … …  
    871915                #ifdef __STATISTICS__
    872916                __atomic_add_fetch( &resize_calls, 1, __ATOMIC_SEQ_CST );
     917                __atomic_add_fetch( &resize_storage, size, __ATOMIC_SEQ_CST );
    873918                #endif // __STATISTICS__
    874919
    875920                // If size is equal to 0, either NULL or a pointer suitable to be passed to free() is returned.
    876921          if ( unlikely( size == 0 ) ) { free( oaddr ); return 0p; } // special cases
    877           if ( unlikely( oaddr == 0p ) ) {
    878                         #ifdef __STATISTICS__
    879                         __atomic_add_fetch( &resize_storage, size, __ATOMIC_SEQ_CST );
    880                         #endif // __STATISTICS__
    881                         return mallocNoStats( size );
    882                 } // if
     922          if ( unlikely( oaddr == 0p ) ) return mallocNoStats( size );
    883923
    884924                HeapManager.Storage.Header * header;
    885925                HeapManager.FreeHeader * freeElem;
    886                 size_t bsize, oalign;
     926                size_t bsize, oalign = 0;
    887927                headers( "resize", oaddr, header, freeElem, bsize, oalign );
    888928
    889929                size_t odsize = dataStorage( bsize, oaddr, header ); // data storage available in bucket
    890930                // same size, DO NOT preserve STICKY PROPERTIES.
    891                 if ( oalign <= libAlign() && size <= odsize && odsize <= size * 2 ) { // allow 50% wasted storage for smaller size
     931          if ( oalign == 0 && size <= odsize && odsize <= size * 2 ) { // allow 50% wasted storage for smaller size
    892932                        header->kind.real.blockSize &= -2;                      // no alignment and turn off 0 fill
    893933                        header->kind.real.size = size;                          // reset allocation size
    894934                        return oaddr;
    895935                } // if
    896 
    897                 #ifdef __STATISTICS__
    898                 __atomic_add_fetch( &resize_storage, size, __ATOMIC_SEQ_CST );
    899                 #endif // __STATISTICS__
    900936
    901937                // change size, DO NOT preserve STICKY PROPERTIES.
    … …  
    910946                #ifdef __STATISTICS__
    911947                __atomic_add_fetch( &realloc_calls, 1, __ATOMIC_SEQ_CST );
     948                __atomic_add_fetch( &realloc_storage, size, __ATOMIC_SEQ_CST );
    912949                #endif // __STATISTICS__
    913950
    914951                // If size is equal to 0, either NULL or a pointer suitable to be passed to free() is returned.
    915952          if ( unlikely( size == 0 ) ) { free( oaddr ); return 0p; } // special cases
    916           if ( unlikely( oaddr == 0p ) ) {
    917                         #ifdef __STATISTICS__
    918                         __atomic_add_fetch( &realloc_storage, size, __ATOMIC_SEQ_CST );
    919                         #endif // __STATISTICS__
    920                         return mallocNoStats( size );
    921                 } // if
     953          if ( unlikely( oaddr == 0p ) ) return mallocNoStats( size );
    922954
    923955                HeapManager.Storage.Header * header;
    924956                HeapManager.FreeHeader * freeElem;
    925                 size_t bsize, oalign;
     957                size_t bsize, oalign = 0;
    926958                headers( "realloc", oaddr, header, freeElem, bsize, oalign );
    927959
    … …  
    937969                } // if
    938970
    939                 #ifdef __STATISTICS__
    940                 __atomic_add_fetch( &realloc_storage, size, __ATOMIC_SEQ_CST );
    941                 #endif // __STATISTICS__
    942 
    943971                // change size and copy old content to new storage
    944972
    945973                void * naddr;
    946                 if ( likely( oalign <= libAlign() ) ) {                 // previous request not aligned ?
     974                if ( likely( oalign == 0 ) ) {                                  // previous request memalign?
    947975                        naddr = mallocNoStats( size );                          // create new area
    948976                } else {
    … …  
    963991        } // realloc
    964992
    965 
    966993        // Same as malloc() except the memory address is a multiple of alignment, which must be a power of two. (obsolete)
    967994        void * memalign( size_t alignment, size_t size ) {
    … …  
    9771004        // Same as aalloc() with memory alignment.
    9781005        void * amemalign( size_t alignment, size_t dim, size_t elemSize ) {
    979                 size_t size = dim * elemSize;
    9801006                #ifdef __STATISTICS__
    9811007                __atomic_add_fetch( &cmemalign_calls, 1, __ATOMIC_SEQ_CST );
    982                 __atomic_add_fetch( &cmemalign_storage, size, __ATOMIC_SEQ_CST );
    983                 #endif // __STATISTICS__
    984 
    985                 return memalignNoStats( alignment, size );
     1008                __atomic_add_fetch( &cmemalign_storage, dim * elemSize, __ATOMIC_SEQ_CST );
     1009                #endif // __STATISTICS__
     1010
     1011                return memalignNoStats( alignment, dim * elemSize );
    9861012        } // amemalign
    9871013
    … …  
    10091035        // free(3).
    10101036        int posix_memalign( void ** memptr, size_t alignment, size_t size ) {
    1011           if ( alignment < libAlign() || ! is_pow2( alignment ) ) return EINVAL; // check alignment
     1037          if ( alignment < sizeof(void *) || ! libPow2( alignment ) ) return EINVAL; // check alignment
    10121038                * memptr = memalign( alignment, size );
    10131039                return 0;
    … …  
    10231049        // Same as valloc but rounds size to multiple of page size.
    10241050        void * pvalloc( size_t size ) {
    1025                 return memalign( pageSize, ceiling2( size, pageSize ) );
     1051                return memalign( pageSize, libCeiling( size, pageSize ) );
    10261052        } // pvalloc
    10271053
    … …  
    10611087        } // malloc_alignment
    10621088
    1063 
    10641089        // Set the alignment for an the allocation and return previous alignment or 0 if no alignment.
    10651090        size_t $malloc_alignment_set( void * addr, size_t alignment ) {
    … …  
    11441169        } // malloc_stats
    11451170
    1146 
    11471171        // Changes the file descripter where malloc_stats() writes statistics.
    11481172        int malloc_stats_fd( int fd __attribute__(( unused )) ) {
    11491173                #ifdef __STATISTICS__
    1150                 int temp = stat_fd;
    1151                 stat_fd = fd;
     1174                int temp = statfd;
     1175                statfd = fd;
    11521176                return temp;
    11531177                #else
    … …  
    11701194        } // mallopt
    11711195
    1172 
    11731196        // Attempt to release free memory at the top of the heap (by calling sbrk with a suitable argument).
    11741197        int malloc_trim( size_t ) {
    … …  
    11811204        // malloc).
    11821205        int malloc_info( int options, FILE * stream ) {
    1183           if ( options != 0 ) { errno = EINVAL; return -1; }
    1184                 #ifdef __STATISTICS__
     1206                if ( options != 0 ) { errno = EINVAL; return -1; }
    11851207                return printStatsXML( stream );
    1186                 #else
    1187                 return 0;                                                                               // unsupported
    1188                 #endif // __STATISTICS__
    11891208        } // malloc_info
    11901209
    … …  
    12011220        // Restores the state of all malloc internal bookkeeping variables to the values recorded in the opaque data
    12021221        // structure pointed to by state.
    1203         int malloc_set_state( void * ) {
     1222        int malloc_set_state( void * ptr ) {
    12041223                return 0;                                                                               // unsupported
    12051224        } // malloc_set_state
    … …  
    12111230        #ifdef __STATISTICS__
    12121231        __atomic_add_fetch( &resize_calls, 1, __ATOMIC_SEQ_CST );
     1232        __atomic_add_fetch( &resize_storage, size, __ATOMIC_SEQ_CST );
    12131233        #endif // __STATISTICS__
    12141234
    12151235        // If size is equal to 0, either NULL or a pointer suitable to be passed to free() is returned.
    12161236  if ( unlikely( size == 0 ) ) { free( oaddr ); return 0p; } // special cases
    1217   if ( unlikely( oaddr == 0p ) ) {
    1218                 #ifdef __STATISTICS__
    1219                 __atomic_add_fetch( &resize_storage, size, __ATOMIC_SEQ_CST );
    1220                 #endif // __STATISTICS__
    1221                 return memalignNoStats( nalign, size );
    1222         } // if
    1223 
    1224         if ( unlikely( nalign < libAlign() ) ) nalign = libAlign(); // reset alignment to minimum
     1237  if ( unlikely( oaddr == 0p ) ) return memalignNoStats( nalign, size );
     1238
     1239        if ( unlikely( nalign == 0 ) ) nalign = libAlign();     // reset alignment to minimum
    12251240        #ifdef __CFA_DEBUG__
    12261241        else
    … …  
    12301245        HeapManager.Storage.Header * header;
    12311246        HeapManager.FreeHeader * freeElem;
    1232         size_t bsize, oalign;
     1247        size_t bsize, oalign = 0;
    12331248        headers( "resize", oaddr, header, freeElem, bsize, oalign );
    12341249        size_t odsize = dataStorage( bsize, oaddr, header ); // data storage available in bucket
    12351250
    12361251        if ( oalign <= nalign && (uintptr_t)oaddr % nalign == 0 ) { // <= alignment and new alignment happens to match
    1237                 if ( oalign > libAlign() ) {                                    // fake header ?
     1252                if ( oalign >= libAlign() ) {                                   // fake header ?
    12381253                        headerAddr( oaddr )->kind.fake.alignment = nalign | 1; // update alignment (could be the same)
    12391254                } // if
    … …  
    12451260        } // if
    12461261
    1247         #ifdef __STATISTICS__
    1248         __atomic_add_fetch( &resize_storage, size, __ATOMIC_SEQ_CST );
    1249         #endif // __STATISTICS__
    1250 
    12511262        // change size, DO NOT preserve STICKY PROPERTIES.
    12521263        free( oaddr );
    … …  
    12561267
    12571268void * realloc( void * oaddr, size_t nalign, size_t size ) {
    1258         if ( unlikely( nalign < libAlign() ) ) nalign = libAlign(); // reset alignment to minimum
     1269        if ( unlikely( nalign == 0 ) ) nalign = libAlign();     // reset alignment to minimum
    12591270        #ifdef __CFA_DEBUG__
    12601271        else
    … …  
    12641275        HeapManager.Storage.Header * header;
    12651276        HeapManager.FreeHeader * freeElem;
    1266         size_t bsize, oalign;
     1277        size_t bsize, oalign = 0;
    12671278        headers( "realloc", oaddr, header, freeElem, bsize, oalign );
    12681279
    12691280        if ( oalign <= nalign && (uintptr_t)oaddr % nalign == 0 ) { // <= alignment and new alignment happens to match
    1270                 if ( oalign > libAlign() ) {                                    // fake header ?
     1281                if ( oalign >= libAlign() ) {                                   // fake header ?
    12711282                        headerAddr( oaddr )->kind.fake.alignment = nalign | 1; // update alignment (could be the same)
    12721283                } // if

  • libcfa/src/heap.hfa

    r8465b4d r1eb239e4  
    1010// Created On       : Tue May 26 11:23:55 2020
    1111// Last Modified By : Peter A. Buhr
    12 // Last Modified On : Sat Aug  8 17:36:48 2020
    13 // Update Count     : 16
     12// Last Modified On : Wed Aug  5 14:55:55 2020
     13// Update Count     : 14
    1414//
    1515
    … …  
    1818size_t default_mmap_start();                                                    // CFA extras
    1919size_t default_heap_expansion();
     20bool default_heap_exhausted();                                                  // unsafe to call printf!
    2021
    2122bool traceHeap();
    … …  
    3031bool checkFreeOn();
    3132bool checkFreeOff();
    32 
    33 // supported mallopt options
    34 #ifndef M_MMAP_THRESHOLD
    35 #define M_MMAP_THRESHOLD (-1)
    36 #endif // M_TOP_PAD
    37 #ifndef M_TOP_PAD
    38 #define M_TOP_PAD (-2)
    39 #endif // M_TOP_PAD
    4033
    4134extern "C" {

  • libcfa/src/iostream.cfa

    r8465b4d r1eb239e4  
    1010// Created On       : Wed May 27 17:56:53 2015
    1111// Last Modified By : Peter A. Buhr
    12 // Last Modified On : Mon Aug 10 09:32:14 2020
    13 // Update Count     : 1126
     12// Last Modified On : Mon Jul 20 15:00:37 2020
     13// Update Count     : 1124
    1414//
    1515
    … …  
    615615                                                sepOff( os ); \
    616616                                                fmt2.flags.left = true; \
    617                                                 int msigd = ceiling_div( high1( fmt.val ), 3 ); \
     617                                                int msigd = ceiling( high1( fmt.val ), 3 ); \
    618618                                                fmt2.wd = f.wd - (fmt.pc > msigd ? fmt.pc : msigd); \
    619619                                                if ( ! fmt.flags.nobsdp ) fmt2.wd -= 1; /* compensate for 0 base specifier */ \
    … …  
    704704                                        if ( f.base == 'd' && (f.flags.neg || f.flags.sign) ) bs = 1; // sign ?
    705705                                } else {
    706                                         dig = ceiling_div( high1( f.val ), bits );
     706                                        dig = ceiling( high1( f.val ), bits );
    707707                                        if ( ! f.flags.nobsdp ) {                       // base prefix ?
    708708                                                if ( f.base == 'o' ) {

  • longrun_tests/Makefile.am

    r8465b4d r1eb239e4  
    1818ACLOCAL_AMFLAGS  = -I automake
    1919
    20 include $(top_srcdir)/tools/build/cfa.make
     20include $(top_srcdir)/src/cfa.make
    2121
    2222repeats=10

  • tests/.expect/bitmanip3.x64.txt

    r8465b4d r1eb239e4  
    404404
    405405signed char
     406floor2(0, 0) = 0, floor2(2, 0) = 0, floor2(-2, 0) = 0
    406407floor2(1, 1) = 1, floor2(3, 1) = 3, floor2(-3, 1) = -3
    407408floor2(2, 2) = 2, floor2(4, 2) = 4, floor2(-4, 2) = -4
    … …  
    414415
    415416unsigned char
     417floor2(0, 0) = 0, floor2(2, 0) = 0, floor2(254, 0) = 0
    416418floor2(1, 1) = 1, floor2(3, 1) = 3, floor2(253, 1) = 253
    417419floor2(2, 2) = 2, floor2(4, 2) = 4, floor2(252, 2) = 252
    … …  
    424426
    425427short int
     428floor2(0, 0) = 0, floor2(2, 0) = 0, floor2(-2, 0) = 0
    426429floor2(1, 1) = 1, floor2(3, 1) = 3, floor2(-3, 1) = -3
    427430floor2(2, 2) = 2, floor2(4, 2) = 4, floor2(-4, 2) = -4
    … …  
    442445
    443446unsigned short int
     447floor2(0, 0) = 0, floor2(2, 0) = 0, floor2(65534, 0) = 0
    444448floor2(1, 1) = 1, floor2(3, 1) = 3, floor2(65533, 1) = 65533
    445449floor2(2, 2) = 2, floor2(4, 2) = 4, floor2(65532, 2) = 65532
    … …  
    460464
    461465int
     466floor2(0, 0) = 0, floor2(2, 0) = 0, floor2(-2, 0) = 0
    462467floor2(1, 1) = 1, floor2(3, 1) = 3, floor2(-3, 1) = -3
    463468floor2(2, 2) = 2, floor2(4, 2) = 4, floor2(-4, 2) = -4
    … …  
    494499
    495500unsigned int
     501floor2(0, 0) = 0, floor2(2, 0) = 0, floor2(4294967294, 0) = 0
    496502floor2(1, 1) = 1, floor2(3, 1) = 3, floor2(4294967293, 1) = 4294967293
    497503floor2(2, 2) = 2, floor2(4, 2) = 4, floor2(4294967292, 2) = 4294967292
    … …  
    528534
    529535long int
     536floor2(0, 0) = 0, floor2(2, 0) = 0, floor2(-2, 0) = 0
    530537floor2(1, 1) = 1, floor2(3, 1) = 3, floor2(-3, 1) = -3
    531538floor2(2, 2) = 2, floor2(4, 2) = 4, floor2(-4, 2) = -4
    … …  
    594601
    595602unsigned long int
     603floor2(0, 0) = 0, floor2(2, 0) = 0, floor2(18446744073709551614, 0) = 0
    596604floor2(1, 1) = 1, floor2(3, 1) = 3, floor2(18446744073709551613, 1) = 18446744073709551613
    597605floor2(2, 2) = 2, floor2(4, 2) = 4, floor2(18446744073709551612, 2) = 18446744073709551612
    … …  
    660668
    661669long long int
     670floor2(0, 0) = 0, floor2(2, 0) = 0, floor2(-2, 0) = 0
    662671floor2(1, 1) = 1, floor2(3, 1) = 3, floor2(-3, 1) = -3
    663672floor2(2, 2) = 2, floor2(4, 2) = 4, floor2(-4, 2) = -4
    … …  
    726735
    727736unsigned long long int
     737floor2(0, 0) = 0, floor2(2, 0) = 0, floor2(18446744073709551614, 0) = 0
    728738floor2(1, 1) = 1, floor2(3, 1) = 3, floor2(18446744073709551613, 1) = 18446744073709551613
    729739floor2(2, 2) = 2, floor2(4, 2) = 4, floor2(18446744073709551612, 2) = 18446744073709551612
    … …  
    11861196
    11871197signed char
     1198ceiling2(0, 0) = 0, ceiling2(2, 0) = 0, ceiling2(-2, 0) = 0
    11881199ceiling2(1, 1) = 1, ceiling2(3, 1) = 3, ceiling2(-3, 1) = -3
    11891200ceiling2(2, 2) = 2, ceiling2(4, 2) = 4, ceiling2(-4, 2) = -4
    … …  
    11961207
    11971208unsigned char
     1209ceiling2(0, 0) = 0, ceiling2(2, 0) = 0, ceiling2(254, 0) = 0
    11981210ceiling2(1, 1) = 1, ceiling2(3, 1) = 3, ceiling2(253, 1) = 253
    11991211ceiling2(2, 2) = 2, ceiling2(4, 2) = 4, ceiling2(252, 2) = 252
    … …  
    12061218
    12071219short int
     1220ceiling2(0, 0) = 0, ceiling2(2, 0) = 0, ceiling2(-2, 0) = 0
    12081221ceiling2(1, 1) = 1, ceiling2(3, 1) = 3, ceiling2(-3, 1) = -3
    12091222ceiling2(2, 2) = 2, ceiling2(4, 2) = 4, ceiling2(-4, 2) = -4
    … …  
    12241237
    12251238unsigned short int
     1239ceiling2(0, 0) = 0, ceiling2(2, 0) = 0, ceiling2(65534, 0) = 0
    12261240ceiling2(1, 1) = 1, ceiling2(3, 1) = 3, ceiling2(65533, 1) = 65533
    12271241ceiling2(2, 2) = 2, ceiling2(4, 2) = 4, ceiling2(65532, 2) = 65532
    … …  
    12421256
    12431257int
     1258ceiling2(0, 0) = 0, ceiling2(2, 0) = 0, ceiling2(-2, 0) = 0
    12441259ceiling2(1, 1) = 1, ceiling2(3, 1) = 3, ceiling2(-3, 1) = -3
    12451260ceiling2(2, 2) = 2, ceiling2(4, 2) = 4, ceiling2(-4, 2) = -4
    … …  
    12761291
    12771292unsigned int
     1293ceiling2(0, 0) = 0, ceiling2(2, 0) = 0, ceiling2(4294967294, 0) = 0
    12781294ceiling2(1, 1) = 1, ceiling2(3, 1) = 3, ceiling2(4294967293, 1) = 4294967293
    12791295ceiling2(2, 2) = 2, ceiling2(4, 2) = 4, ceiling2(4294967292, 2) = 4294967292
    … …  
    13101326
    13111327long int
     1328ceiling2(0, 0) = 0, ceiling2(2, 0) = 0, ceiling2(-2, 0) = 0
    13121329ceiling2(1, 1) = 1, ceiling2(3, 1) = 3, ceiling2(-3, 1) = -3
    13131330ceiling2(2, 2) = 2, ceiling2(4, 2) = 4, ceiling2(-4, 2) = -4
    … …  
    13761393
    13771394unsigned long int
     1395ceiling2(0, 0) = 0, ceiling2(2, 0) = 0, ceiling2(18446744073709551614, 0) = 0
    13781396ceiling2(1, 1) = 1, ceiling2(3, 1) = 3, ceiling2(18446744073709551613, 1) = 18446744073709551613
    13791397ceiling2(2, 2) = 2, ceiling2(4, 2) = 4, ceiling2(18446744073709551612, 2) = 18446744073709551612
    … …  
    14421460
    14431461long long int
     1462ceiling2(0, 0) = 0, ceiling2(2, 0) = 0, ceiling2(-2, 0) = 0
    14441463ceiling2(1, 1) = 1, ceiling2(3, 1) = 3, ceiling2(-3, 1) = -3
    14451464ceiling2(2, 2) = 2, ceiling2(4, 2) = 4, ceiling2(-4, 2) = -4
    … …  
    15081527
    15091528unsigned long long int
     1529ceiling2(0, 0) = 0, ceiling2(2, 0) = 0, ceiling2(18446744073709551614, 0) = 0
    15101530ceiling2(1, 1) = 1, ceiling2(3, 1) = 3, ceiling2(18446744073709551613, 1) = 18446744073709551613
    15111531ceiling2(2, 2) = 2, ceiling2(4, 2) = 4, ceiling2(18446744073709551612, 2) = 18446744073709551612
    … …  
    15741594
    15751595
    1576 ceiling_div
    1577 
    1578 signed char
    1579 ceiling_div(1, 1) = 1, ceiling_div(3, 1) = 3, ceiling_div(-3, 1) = -3
    1580 ceiling_div(2, 2) = 1, ceiling_div(4, 2) = 2, ceiling_div(-4, 2) = -1
    1581 ceiling_div(4, 4) = 1, ceiling_div(6, 4) = 2, ceiling_div(-6, 4) = 0
    1582 ceiling_div(8, 8) = 1, ceiling_div(10, 8) = 2, ceiling_div(-10, 8) = 0
    1583 ceiling_div(16, 16) = 1, ceiling_div(18, 16) = 2, ceiling_div(-18, 16) = 0
    1584 ceiling_div(32, 32) = 1, ceiling_div(34, 32) = 2, ceiling_div(-34, 32) = 0
    1585 ceiling_div(64, 64) = 1, ceiling_div(66, 64) = 2, ceiling_div(-66, 64) = 0
    1586 ceiling_div(-128, -128) = 2, ceiling_div(-126, -128) = 1, ceiling_div(126, -128) = 0
    1587 
    1588 unsigned char
    1589 ceiling_div(1, 1) = 1, ceiling_div(3, 1) = 3, ceiling_div(253, 1) = 253
    1590 ceiling_div(2, 2) = 1, ceiling_div(4, 2) = 2, ceiling_div(252, 2) = 126
    1591 ceiling_div(4, 4) = 1, ceiling_div(6, 4) = 2, ceiling_div(250, 4) = 63
    1592 ceiling_div(8, 8) = 1, ceiling_div(10, 8) = 2, ceiling_div(246, 8) = 31
    1593 ceiling_div(16, 16) = 1, ceiling_div(18, 16) = 2, ceiling_div(238, 16) = 15
    1594 ceiling_div(32, 32) = 1, ceiling_div(34, 32) = 2, ceiling_div(222, 32) = 7
    1595 ceiling_div(64, 64) = 1, ceiling_div(66, 64) = 2, ceiling_div(190, 64) = 3
    1596 ceiling_div(128, 128) = 1, ceiling_div(130, 128) = 2, ceiling_div(126, 128) = 1
    1597 
    1598 short int
    1599 ceiling_div(1, 1) = 1, ceiling_div(3, 1) = 3, ceiling_div(-3, 1) = -3
    1600 ceiling_div(2, 2) = 1, ceiling_div(4, 2) = 2, ceiling_div(-4, 2) = -1
    1601 ceiling_div(4, 4) = 1, ceiling_div(6, 4) = 2, ceiling_div(-6, 4) = 0
    1602 ceiling_div(8, 8) = 1, ceiling_div(10, 8) = 2, ceiling_div(-10, 8) = 0
    1603 ceiling_div(16, 16) = 1, ceiling_div(18, 16) = 2, ceiling_div(-18, 16) = 0
    1604 ceiling_div(32, 32) = 1, ceiling_div(34, 32) = 2, ceiling_div(-34, 32) = 0
    1605 ceiling_div(64, 64) = 1, ceiling_div(66, 64) = 2, ceiling_div(-66, 64) = 0
    1606 ceiling_div(128, 128) = 1, ceiling_div(130, 128) = 2, ceiling_div(-130, 128) = 0
    1607 ceiling_div(256, 256) = 1, ceiling_div(258, 256) = 2, ceiling_div(-258, 256) = 0
    1608 ceiling_div(512, 512) = 1, ceiling_div(514, 512) = 2, ceiling_div(-514, 512) = 0
    1609 ceiling_div(1024, 1024) = 1, ceiling_div(1026, 1024) = 2, ceiling_div(-1026, 1024) = 0
    1610 ceiling_div(2048, 2048) = 1, ceiling_div(2050, 2048) = 2, ceiling_div(-2050, 2048) = 0
    1611 ceiling_div(4096, 4096) = 1, ceiling_div(4098, 4096) = 2, ceiling_div(-4098, 4096) = 0
    1612 ceiling_div(8192, 8192) = 1, ceiling_div(8194, 8192) = 2, ceiling_div(-8194, 8192) = 0
    1613 ceiling_div(16384, 16384) = 1, ceiling_div(16386, 16384) = 2, ceiling_div(-16386, 16384) = 0
    1614 ceiling_div(-32768, -32768) = 2, ceiling_div(-32766, -32768) = 1, ceiling_div(32766, -32768) = 0
    1615 
    1616 unsigned short int
    1617 ceiling_div(1, 1) = 1, ceiling_div(3, 1) = 3, ceiling_div(65533, 1) = 65533
    1618 ceiling_div(2, 2) = 1, ceiling_div(4, 2) = 2, ceiling_div(65532, 2) = 32766
    1619 ceiling_div(4, 4) = 1, ceiling_div(6, 4) = 2, ceiling_div(65530, 4) = 16383
    1620 ceiling_div(8, 8) = 1, ceiling_div(10, 8) = 2, ceiling_div(65526, 8) = 8191
    1621 ceiling_div(16, 16) = 1, ceiling_div(18, 16) = 2, ceiling_div(65518, 16) = 4095
    1622 ceiling_div(32, 32) = 1, ceiling_div(34, 32) = 2, ceiling_div(65502, 32) = 2047
    1623 ceiling_div(64, 64) = 1, ceiling_div(66, 64) = 2, ceiling_div(65470, 64) = 1023
    1624 ceiling_div(128, 128) = 1, ceiling_div(130, 128) = 2, ceiling_div(65406, 128) = 511
    1625 ceiling_div(256, 256) = 1, ceiling_div(258, 256) = 2, ceiling_div(65278, 256) = 255
    1626 ceiling_div(512, 512) = 1, ceiling_div(514, 512) = 2, ceiling_div(65022, 512) = 127
    1627 ceiling_div(1024, 1024) = 1, ceiling_div(1026, 1024) = 2, ceiling_div(64510, 1024) = 63
    1628 ceiling_div(2048, 2048) = 1, ceiling_div(2050, 2048) = 2, ceiling_div(63486, 2048) = 31
    1629 ceiling_div(4096, 4096) = 1, ceiling_div(4098, 4096) = 2, ceiling_div(61438, 4096) = 15
    1630 ceiling_div(8192, 8192) = 1, ceiling_div(8194, 8192) = 2, ceiling_div(57342, 8192) = 7
    1631 ceiling_div(16384, 16384) = 1, ceiling_div(16386, 16384) = 2, ceiling_div(49150, 16384) = 3
    1632 ceiling_div(32768, 32768) = 1, ceiling_div(32770, 32768) = 2, ceiling_div(32766, 32768) = 1
    1633 
    1634 int
    1635 ceiling_div(1, 1) = 1, ceiling_div(3, 1) = 3, ceiling_div(-3, 1) = -3
    1636 ceiling_div(2, 2) = 1, ceiling_div(4, 2) = 2, ceiling_div(-4, 2) = -1
    1637 ceiling_div(4, 4) = 1, ceiling_div(6, 4) = 2, ceiling_div(-6, 4) = 0
    1638 ceiling_div(8, 8) = 1, ceiling_div(10, 8) = 2, ceiling_div(-10, 8) = 0
    1639 ceiling_div(16, 16) = 1, ceiling_div(18, 16) = 2, ceiling_div(-18, 16) = 0
    1640 ceiling_div(32, 32) = 1, ceiling_div(34, 32) = 2, ceiling_div(-34, 32) = 0
    1641 ceiling_div(64, 64) = 1, ceiling_div(66, 64) = 2, ceiling_div(-66, 64) = 0
    1642 ceiling_div(128, 128) = 1, ceiling_div(130, 128) = 2, ceiling_div(-130, 128) = 0
    1643 ceiling_div(256, 256) = 1, ceiling_div(258, 256) = 2, ceiling_div(-258, 256) = 0
    1644 ceiling_div(512, 512) = 1, ceiling_div(514, 512) = 2, ceiling_div(-514, 512) = 0
    1645 ceiling_div(1024, 1024) = 1, ceiling_div(1026, 1024) = 2, ceiling_div(-1026, 1024) = 0
    1646 ceiling_div(2048, 2048) = 1, ceiling_div(2050, 2048) = 2, ceiling_div(-2050, 2048) = 0
    1647 ceiling_div(4096, 4096) = 1, ceiling_div(4098, 4096) = 2, ceiling_div(-4098, 4096) = 0
    1648 ceiling_div(8192, 8192) = 1, ceiling_div(8194, 8192) = 2, ceiling_div(-8194, 8192) = 0
    1649 ceiling_div(16384, 16384) = 1, ceiling_div(16386, 16384) = 2, ceiling_div(-16386, 16384) = 0
    1650 ceiling_div(32768, 32768) = 1, ceiling_div(32770, 32768) = 2, ceiling_div(-32770, 32768) = 0
    1651 ceiling_div(65536, 65536) = 1, ceiling_div(65538, 65536) = 2, ceiling_div(-65538, 65536) = 0
    1652 ceiling_div(131072, 131072) = 1, ceiling_div(131074, 131072) = 2, ceiling_div(-131074, 131072) = 0
    1653 ceiling_div(262144, 262144) = 1, ceiling_div(262146, 262144) = 2, ceiling_div(-262146, 262144) = 0
    1654 ceiling_div(524288, 524288) = 1, ceiling_div(524290, 524288) = 2, ceiling_div(-524290, 524288) = 0
    1655 ceiling_div(1048576, 1048576) = 1, ceiling_div(1048578, 1048576) = 2, ceiling_div(-1048578, 1048576) = 0
    1656 ceiling_div(2097152, 2097152) = 1, ceiling_div(2097154, 2097152) = 2, ceiling_div(-2097154, 2097152) = 0
    1657 ceiling_div(4194304, 4194304) = 1, ceiling_div(4194306, 4194304) = 2, ceiling_div(-4194306, 4194304) = 0
    1658 ceiling_div(8388608, 8388608) = 1, ceiling_div(8388610, 8388608) = 2, ceiling_div(-8388610, 8388608) = 0
    1659 ceiling_div(16777216, 16777216) = 1, ceiling_div(16777218, 16777216) = 2, ceiling_div(-16777218, 16777216) = 0
    1660 ceiling_div(33554432, 33554432) = 1, ceiling_div(33554434, 33554432) = 2, ceiling_div(-33554434, 33554432) = 0
    1661 ceiling_div(67108864, 67108864) = 1, ceiling_div(67108866, 67108864) = 2, ceiling_div(-67108866, 67108864) = 0
    1662 ceiling_div(134217728, 134217728) = 1, ceiling_div(134217730, 134217728) = 2, ceiling_div(-134217730, 134217728) = 0
    1663 ceiling_div(268435456, 268435456) = 1, ceiling_div(268435458, 268435456) = 2, ceiling_div(-268435458, 268435456) = 0
    1664 ceiling_div(536870912, 536870912) = 1, ceiling_div(536870914, 536870912) = 2, ceiling_div(-536870914, 536870912) = 0
    1665 ceiling_div(1073741824, 1073741824) = 1, ceiling_div(1073741826, 1073741824) = -1, ceiling_div(-1073741826, 1073741824) = 0
    1666 ceiling_div(-2147483648, -2147483648) = 0, ceiling_div(-2147483646, -2147483648) = 0, ceiling_div(2147483646, -2147483648) = 0
    1667 
    1668 unsigned int
    1669 ceiling_div(1, 1) = 1, ceiling_div(3, 1) = 3, ceiling_div(4294967293, 1) = 4294967293
    1670 ceiling_div(2, 2) = 1, ceiling_div(4, 2) = 2, ceiling_div(4294967292, 2) = 2147483646
    1671 ceiling_div(4, 4) = 1, ceiling_div(6, 4) = 2, ceiling_div(4294967290, 4) = 1073741823
    1672 ceiling_div(8, 8) = 1, ceiling_div(10, 8) = 2, ceiling_div(4294967286, 8) = 536870911
    1673 ceiling_div(16, 16) = 1, ceiling_div(18, 16) = 2, ceiling_div(4294967278, 16) = 268435455
    1674 ceiling_div(32, 32) = 1, ceiling_div(34, 32) = 2, ceiling_div(4294967262, 32) = 134217727
    1675 ceiling_div(64, 64) = 1, ceiling_div(66, 64) = 2, ceiling_div(4294967230, 64) = 67108863
    1676 ceiling_div(128, 128) = 1, ceiling_div(130, 128) = 2, ceiling_div(4294967166, 128) = 33554431
    1677 ceiling_div(256, 256) = 1, ceiling_div(258, 256) = 2, ceiling_div(4294967038, 256) = 16777215
    1678 ceiling_div(512, 512) = 1, ceiling_div(514, 512) = 2, ceiling_div(4294966782, 512) = 8388607
    1679 ceiling_div(1024, 1024) = 1, ceiling_div(1026, 1024) = 2, ceiling_div(4294966270, 1024) = 4194303
    1680 ceiling_div(2048, 2048) = 1, ceiling_div(2050, 2048) = 2, ceiling_div(4294965246, 2048) = 2097151
    1681 ceiling_div(4096, 4096) = 1, ceiling_div(4098, 4096) = 2, ceiling_div(4294963198, 4096) = 1048575
    1682 ceiling_div(8192, 8192) = 1, ceiling_div(8194, 8192) = 2, ceiling_div(4294959102, 8192) = 524287
    1683 ceiling_div(16384, 16384) = 1, ceiling_div(16386, 16384) = 2, ceiling_div(4294950910, 16384) = 262143
    1684 ceiling_div(32768, 32768) = 1, ceiling_div(32770, 32768) = 2, ceiling_div(4294934526, 32768) = 131071
    1685 ceiling_div(65536, 65536) = 1, ceiling_div(65538, 65536) = 2, ceiling_div(4294901758, 65536) = 65535
    1686 ceiling_div(131072, 131072) = 1, ceiling_div(131074, 131072) = 2, ceiling_div(4294836222, 131072) = 32767
    1687 ceiling_div(262144, 262144) = 1, ceiling_div(262146, 262144) = 2, ceiling_div(4294705150, 262144) = 16383
    1688 ceiling_div(524288, 524288) = 1, ceiling_div(524290, 524288) = 2, ceiling_div(4294443006, 524288) = 8191
    1689 ceiling_div(1048576, 1048576) = 1, ceiling_div(1048578, 1048576) = 2, ceiling_div(4293918718, 1048576) = 4095
    1690 ceiling_div(2097152, 2097152) = 1, ceiling_div(2097154, 2097152) = 2, ceiling_div(4292870142, 2097152) = 2047
    1691 ceiling_div(4194304, 4194304) = 1, ceiling_div(4194306, 4194304) = 2, ceiling_div(4290772990, 4194304) = 1023
    1692 ceiling_div(8388608, 8388608) = 1, ceiling_div(8388610, 8388608) = 2, ceiling_div(4286578686, 8388608) = 511
    1693 ceiling_div(16777216, 16777216) = 1, ceiling_div(16777218, 16777216) = 2, ceiling_div(4278190078, 16777216) = 255
    1694 ceiling_div(33554432, 33554432) = 1, ceiling_div(33554434, 33554432) = 2, ceiling_div(4261412862, 33554432) = 127
    1695 ceiling_div(67108864, 67108864) = 1, ceiling_div(67108866, 67108864) = 2, ceiling_div(4227858430, 67108864) = 63
    1696 ceiling_div(134217728, 134217728) = 1, ceiling_div(134217730, 134217728) = 2, ceiling_div(4160749566, 134217728) = 31
    1697 ceiling_div(268435456, 268435456) = 1, ceiling_div(268435458, 268435456) = 2, ceiling_div(4026531838, 268435456) = 15
    1698 ceiling_div(536870912, 536870912) = 1, ceiling_div(536870914, 536870912) = 2, ceiling_div(3758096382, 536870912) = 7
    1699 ceiling_div(1073741824, 1073741824) = 1, ceiling_div(1073741826, 1073741824) = 2, ceiling_div(3221225470, 1073741824) = 3
    1700 ceiling_div(2147483648, 2147483648) = 1, ceiling_div(2147483650, 2147483648) = 0, ceiling_div(2147483646, 2147483648) = 1
    1701 
    1702 long int
    1703 ceiling_div(1, 1) = 1, ceiling_div(3, 1) = 3, ceiling_div(-3, 1) = -3
    1704 ceiling_div(2, 2) = 1, ceiling_div(4, 2) = 2, ceiling_div(-4, 2) = -1
    1705 ceiling_div(4, 4) = 1, ceiling_div(6, 4) = 2, ceiling_div(-6, 4) = 0
    1706 ceiling_div(8, 8) = 1, ceiling_div(10, 8) = 2, ceiling_div(-10, 8) = 0
    1707 ceiling_div(16, 16) = 1, ceiling_div(18, 16) = 2, ceiling_div(-18, 16) = 0
    1708 ceiling_div(32, 32) = 1, ceiling_div(34, 32) = 2, ceiling_div(-34, 32) = 0
    1709 ceiling_div(64, 64) = 1, ceiling_div(66, 64) = 2, ceiling_div(-66, 64) = 0
    1710 ceiling_div(128, 128) = 1, ceiling_div(130, 128) = 2, ceiling_div(-130, 128) = 0
    1711 ceiling_div(256, 256) = 1, ceiling_div(258, 256) = 2, ceiling_div(-258, 256) = 0
    1712 ceiling_div(512, 512) = 1, ceiling_div(514, 512) = 2, ceiling_div(-514, 512) = 0
    1713 ceiling_div(1024, 1024) = 1, ceiling_div(1026, 1024) = 2, ceiling_div(-1026, 1024) = 0
    1714 ceiling_div(2048, 2048) = 1, ceiling_div(2050, 2048) = 2, ceiling_div(-2050, 2048) = 0
    1715 ceiling_div(4096, 4096) = 1, ceiling_div(4098, 4096) = 2, ceiling_div(-4098, 4096) = 0
    1716 ceiling_div(8192, 8192) = 1, ceiling_div(8194, 8192) = 2, ceiling_div(-8194, 8192) = 0
    1717 ceiling_div(16384, 16384) = 1, ceiling_div(16386, 16384) = 2, ceiling_div(-16386, 16384) = 0
    1718 ceiling_div(32768, 32768) = 1, ceiling_div(32770, 32768) = 2, ceiling_div(-32770, 32768) = 0
    1719 ceiling_div(65536, 65536) = 1, ceiling_div(65538, 65536) = 2, ceiling_div(-65538, 65536) = 0
    1720 ceiling_div(131072, 131072) = 1, ceiling_div(131074, 131072) = 2, ceiling_div(-131074, 131072) = 0
    1721 ceiling_div(262144, 262144) = 1, ceiling_div(262146, 262144) = 2, ceiling_div(-262146, 262144) = 0
    1722 ceiling_div(524288, 524288) = 1, ceiling_div(524290, 524288) = 2, ceiling_div(-524290, 524288) = 0
    1723 ceiling_div(1048576, 1048576) = 1, ceiling_div(1048578, 1048576) = 2, ceiling_div(-1048578, 1048576) = 0
    1724 ceiling_div(2097152, 2097152) = 1, ceiling_div(2097154, 2097152) = 2, ceiling_div(-2097154, 2097152) = 0
    1725 ceiling_div(4194304, 4194304) = 1, ceiling_div(4194306, 4194304) = 2, ceiling_div(-4194306, 4194304) = 0
    1726 ceiling_div(8388608, 8388608) = 1, ceiling_div(8388610, 8388608) = 2, ceiling_div(-8388610, 8388608) = 0
    1727 ceiling_div(16777216, 16777216) = 1, ceiling_div(16777218, 16777216) = 2, ceiling_div(-16777218, 16777216) = 0
    1728 ceiling_div(33554432, 33554432) = 1, ceiling_div(33554434, 33554432) = 2, ceiling_div(-33554434, 33554432) = 0
    1729 ceiling_div(67108864, 67108864) = 1, ceiling_div(67108866, 67108864) = 2, ceiling_div(-67108866, 67108864) = 0
    1730 ceiling_div(134217728, 134217728) = 1, ceiling_div(134217730, 134217728) = 2, ceiling_div(-134217730, 134217728) = 0
    1731 ceiling_div(268435456, 268435456) = 1, ceiling_div(268435458, 268435456) = 2, ceiling_div(-268435458, 268435456) = 0
    1732 ceiling_div(536870912, 536870912) = 1, ceiling_div(536870914, 536870912) = 2, ceiling_div(-536870914, 536870912) = 0
    1733 ceiling_div(1073741824, 1073741824) = 1, ceiling_div(1073741826, 1073741824) = 2, ceiling_div(-1073741826, 1073741824) = 0
    1734 ceiling_div(2147483648, 2147483648) = 1, ceiling_div(2147483650, 2147483648) = 2, ceiling_div(-2147483650, 2147483648) = 0
    1735 ceiling_div(4294967296, 4294967296) = 1, ceiling_div(4294967298, 4294967296) = 2, ceiling_div(-4294967298, 4294967296) = 0
    1736 ceiling_div(8589934592, 8589934592) = 1, ceiling_div(8589934594, 8589934592) = 2, ceiling_div(-8589934594, 8589934592) = 0
    1737 ceiling_div(17179869184, 17179869184) = 1, ceiling_div(17179869186, 17179869184) = 2, ceiling_div(-17179869186, 17179869184) = 0
    1738 ceiling_div(34359738368, 34359738368) = 1, ceiling_div(34359738370, 34359738368) = 2, ceiling_div(-34359738370, 34359738368) = 0
    1739 ceiling_div(68719476736, 68719476736) = 1, ceiling_div(68719476738, 68719476736) = 2, ceiling_div(-68719476738, 68719476736) = 0
    1740 ceiling_div(137438953472, 137438953472) = 1, ceiling_div(137438953474, 137438953472) = 2, ceiling_div(-137438953474, 137438953472) = 0
    1741 ceiling_div(274877906944, 274877906944) = 1, ceiling_div(274877906946, 274877906944) = 2, ceiling_div(-274877906946, 274877906944) = 0
    1742 ceiling_div(549755813888, 549755813888) = 1, ceiling_div(549755813890, 549755813888) = 2, ceiling_div(-549755813890, 549755813888) = 0
    1743 ceiling_div(1099511627776, 1099511627776) = 1, ceiling_div(1099511627778, 1099511627776) = 2, ceiling_div(-1099511627778, 1099511627776) = 0
    1744 ceiling_div(2199023255552, 2199023255552) = 1, ceiling_div(2199023255554, 2199023255552) = 2, ceiling_div(-2199023255554, 2199023255552) = 0
    1745 ceiling_div(4398046511104, 4398046511104) = 1, ceiling_div(4398046511106, 4398046511104) = 2, ceiling_div(-4398046511106, 4398046511104) = 0
    1746 ceiling_div(8796093022208, 8796093022208) = 1, ceiling_div(8796093022210, 8796093022208) = 2, ceiling_div(-8796093022210, 8796093022208) = 0
    1747 ceiling_div(17592186044416, 17592186044416) = 1, ceiling_div(17592186044418, 17592186044416) = 2, ceiling_div(-17592186044418, 17592186044416) = 0
    1748 ceiling_div(35184372088832, 35184372088832) = 1, ceiling_div(35184372088834, 35184372088832) = 2, ceiling_div(-35184372088834, 35184372088832) = 0
    1749 ceiling_div(70368744177664, 70368744177664) = 1, ceiling_div(70368744177666, 70368744177664) = 2, ceiling_div(-70368744177666, 70368744177664) = 0
    1750 ceiling_div(140737488355328, 140737488355328) = 1, ceiling_div(140737488355330, 140737488355328) = 2, ceiling_div(-140737488355330, 140737488355328) = 0
    1751 ceiling_div(281474976710656, 281474976710656) = 1, ceiling_div(281474976710658, 281474976710656) = 2, ceiling_div(-281474976710658, 281474976710656) = 0
    1752 ceiling_div(562949953421312, 562949953421312) = 1, ceiling_div(562949953421314, 562949953421312) = 2, ceiling_div(-562949953421314, 562949953421312) = 0
    1753 ceiling_div(1125899906842624, 1125899906842624) = 1, ceiling_div(1125899906842626, 1125899906842624) = 2, ceiling_div(-1125899906842626, 1125899906842624) = 0
    1754 ceiling_div(2251799813685248, 2251799813685248) = 1, ceiling_div(2251799813685250, 2251799813685248) = 2, ceiling_div(-2251799813685250, 2251799813685248) = 0
    1755 ceiling_div(4503599627370496, 4503599627370496) = 1, ceiling_div(4503599627370498, 4503599627370496) = 2, ceiling_div(-4503599627370498, 4503599627370496) = 0
    1756 ceiling_div(9007199254740992, 9007199254740992) = 1, ceiling_div(9007199254740994, 9007199254740992) = 2, ceiling_div(-9007199254740994, 9007199254740992) = 0
    1757 ceiling_div(18014398509481984, 18014398509481984) = 1, ceiling_div(18014398509481986, 18014398509481984) = 2, ceiling_div(-18014398509481986, 18014398509481984) = 0
    1758 ceiling_div(36028797018963968, 36028797018963968) = 1, ceiling_div(36028797018963970, 36028797018963968) = 2, ceiling_div(-36028797018963970, 36028797018963968) = 0
    1759 ceiling_div(72057594037927936, 72057594037927936) = 1, ceiling_div(72057594037927938, 72057594037927936) = 2, ceiling_div(-72057594037927938, 72057594037927936) = 0
    1760 ceiling_div(144115188075855872, 144115188075855872) = 1, ceiling_div(144115188075855874, 144115188075855872) = 2, ceiling_div(-144115188075855874, 144115188075855872) = 0
    1761 ceiling_div(288230376151711744, 288230376151711744) = 1, ceiling_div(288230376151711746, 288230376151711744) = 2, ceiling_div(-288230376151711746, 288230376151711744) = 0
    1762 ceiling_div(576460752303423488, 576460752303423488) = 1, ceiling_div(576460752303423490, 576460752303423488) = 2, ceiling_div(-576460752303423490, 576460752303423488) = 0
    1763 ceiling_div(1152921504606846976, 1152921504606846976) = 1, ceiling_div(1152921504606846978, 1152921504606846976) = 2, ceiling_div(-1152921504606846978, 1152921504606846976) = 0
    1764 ceiling_div(2305843009213693952, 2305843009213693952) = 1, ceiling_div(2305843009213693954, 2305843009213693952) = 2, ceiling_div(-2305843009213693954, 2305843009213693952) = 0
    1765 ceiling_div(4611686018427387904, 4611686018427387904) = 1, ceiling_div(4611686018427387906, 4611686018427387904) = -1, ceiling_div(-4611686018427387906, 4611686018427387904) = 0
    1766 ceiling_div(-9223372036854775808, -9223372036854775808) = 0, ceiling_div(-9223372036854775806, -9223372036854775808) = 0, ceiling_div(9223372036854775806, -9223372036854775808) = 0
    1767 
    1768 unsigned long int
    1769 ceiling_div(1, 1) = 1, ceiling_div(3, 1) = 3, ceiling_div(18446744073709551613, 1) = 18446744073709551613
    1770 ceiling_div(2, 2) = 1, ceiling_div(4, 2) = 2, ceiling_div(18446744073709551612, 2) = 9223372036854775806
    1771 ceiling_div(4, 4) = 1, ceiling_div(6, 4) = 2, ceiling_div(18446744073709551610, 4) = 4611686018427387903
    1772 ceiling_div(8, 8) = 1, ceiling_div(10, 8) = 2, ceiling_div(18446744073709551606, 8) = 2305843009213693951
    1773 ceiling_div(16, 16) = 1, ceiling_div(18, 16) = 2, ceiling_div(18446744073709551598, 16) = 1152921504606846975
    1774 ceiling_div(32, 32) = 1, ceiling_div(34, 32) = 2, ceiling_div(18446744073709551582, 32) = 576460752303423487
    1775 ceiling_div(64, 64) = 1, ceiling_div(66, 64) = 2, ceiling_div(18446744073709551550, 64) = 288230376151711743
    1776 ceiling_div(128, 128) = 1, ceiling_div(130, 128) = 2, ceiling_div(18446744073709551486, 128) = 144115188075855871
    1777 ceiling_div(256, 256) = 1, ceiling_div(258, 256) = 2, ceiling_div(18446744073709551358, 256) = 72057594037927935
    1778 ceiling_div(512, 512) = 1, ceiling_div(514, 512) = 2, ceiling_div(18446744073709551102, 512) = 36028797018963967
    1779 ceiling_div(1024, 1024) = 1, ceiling_div(1026, 1024) = 2, ceiling_div(18446744073709550590, 1024) = 18014398509481983
    1780 ceiling_div(2048, 2048) = 1, ceiling_div(2050, 2048) = 2, ceiling_div(18446744073709549566, 2048) = 9007199254740991
    1781 ceiling_div(4096, 4096) = 1, ceiling_div(4098, 4096) = 2, ceiling_div(18446744073709547518, 4096) = 4503599627370495
    1782 ceiling_div(8192, 8192) = 1, ceiling_div(8194, 8192) = 2, ceiling_div(18446744073709543422, 8192) = 2251799813685247
    1783 ceiling_div(16384, 16384) = 1, ceiling_div(16386, 16384) = 2, ceiling_div(18446744073709535230, 16384) = 1125899906842623
    1784 ceiling_div(32768, 32768) = 1, ceiling_div(32770, 32768) = 2, ceiling_div(18446744073709518846, 32768) = 562949953421311
    1785 ceiling_div(65536, 65536) = 1, ceiling_div(65538, 65536) = 2, ceiling_div(18446744073709486078, 65536) = 281474976710655
    1786 ceiling_div(131072, 131072) = 1, ceiling_div(131074, 131072) = 2, ceiling_div(18446744073709420542, 131072) = 140737488355327
    1787 ceiling_div(262144, 262144) = 1, ceiling_div(262146, 262144) = 2, ceiling_div(18446744073709289470, 262144) = 70368744177663
    1788 ceiling_div(524288, 524288) = 1, ceiling_div(524290, 524288) = 2, ceiling_div(18446744073709027326, 524288) = 35184372088831
    1789 ceiling_div(1048576, 1048576) = 1, ceiling_div(1048578, 1048576) = 2, ceiling_div(18446744073708503038, 1048576) = 17592186044415
    1790 ceiling_div(2097152, 2097152) = 1, ceiling_div(2097154, 2097152) = 2, ceiling_div(18446744073707454462, 2097152) = 8796093022207
    1791 ceiling_div(4194304, 4194304) = 1, ceiling_div(4194306, 4194304) = 2, ceiling_div(18446744073705357310, 4194304) = 4398046511103
    1792 ceiling_div(8388608, 8388608) = 1, ceiling_div(8388610, 8388608) = 2, ceiling_div(18446744073701163006, 8388608) = 2199023255551
    1793 ceiling_div(16777216, 16777216) = 1, ceiling_div(16777218, 16777216) = 2, ceiling_div(18446744073692774398, 16777216) = 1099511627775
    1794 ceiling_div(33554432, 33554432) = 1, ceiling_div(33554434, 33554432) = 2, ceiling_div(18446744073675997182, 33554432) = 549755813887
    1795 ceiling_div(67108864, 67108864) = 1, ceiling_div(67108866, 67108864) = 2, ceiling_div(18446744073642442750, 67108864) = 274877906943
    1796 ceiling_div(134217728, 134217728) = 1, ceiling_div(134217730, 134217728) = 2, ceiling_div(18446744073575333886, 134217728) = 137438953471
    1797 ceiling_div(268435456, 268435456) = 1, ceiling_div(268435458, 268435456) = 2, ceiling_div(18446744073441116158, 268435456) = 68719476735
    1798 ceiling_div(536870912, 536870912) = 1, ceiling_div(536870914, 536870912) = 2, ceiling_div(18446744073172680702, 536870912) = 34359738367
    1799 ceiling_div(1073741824, 1073741824) = 1, ceiling_div(1073741826, 1073741824) = 2, ceiling_div(18446744072635809790, 1073741824) = 17179869183
    1800 ceiling_div(2147483648, 2147483648) = 1, ceiling_div(2147483650, 2147483648) = 2, ceiling_div(18446744071562067966, 2147483648) = 8589934591
    1801 ceiling_div(4294967296, 4294967296) = 1, ceiling_div(4294967298, 4294967296) = 2, ceiling_div(18446744069414584318, 4294967296) = 4294967295
    1802 ceiling_div(8589934592, 8589934592) = 1, ceiling_div(8589934594, 8589934592) = 2, ceiling_div(18446744065119617022, 8589934592) = 2147483647
    1803 ceiling_div(17179869184, 17179869184) = 1, ceiling_div(17179869186, 17179869184) = 2, ceiling_div(18446744056529682430, 17179869184) = 1073741823
    1804 ceiling_div(34359738368, 34359738368) = 1, ceiling_div(34359738370, 34359738368) = 2, ceiling_div(18446744039349813246, 34359738368) = 536870911
    1805 ceiling_div(68719476736, 68719476736) = 1, ceiling_div(68719476738, 68719476736) = 2, ceiling_div(18446744004990074878, 68719476736) = 268435455
    1806 ceiling_div(137438953472, 137438953472) = 1, ceiling_div(137438953474, 137438953472) = 2, ceiling_div(18446743936270598142, 137438953472) = 134217727
    1807 ceiling_div(274877906944, 274877906944) = 1, ceiling_div(274877906946, 274877906944) = 2, ceiling_div(18446743798831644670, 274877906944) = 67108863
    1808 ceiling_div(549755813888, 549755813888) = 1, ceiling_div(549755813890, 549755813888) = 2, ceiling_div(18446743523953737726, 549755813888) = 33554431
    1809 ceiling_div(1099511627776, 1099511627776) = 1, ceiling_div(1099511627778, 1099511627776) = 2, ceiling_div(18446742974197923838, 1099511627776) = 16777215
    1810 ceiling_div(2199023255552, 2199023255552) = 1, ceiling_div(2199023255554, 2199023255552) = 2, ceiling_div(18446741874686296062, 2199023255552) = 8388607
    1811 ceiling_div(4398046511104, 4398046511104) = 1, ceiling_div(4398046511106, 4398046511104) = 2, ceiling_div(18446739675663040510, 4398046511104) = 4194303
    1812 ceiling_div(8796093022208, 8796093022208) = 1, ceiling_div(8796093022210, 8796093022208) = 2, ceiling_div(18446735277616529406, 8796093022208) = 2097151
    1813 ceiling_div(17592186044416, 17592186044416) = 1, ceiling_div(17592186044418, 17592186044416) = 2, ceiling_div(18446726481523507198, 17592186044416) = 1048575
    1814 ceiling_div(35184372088832, 35184372088832) = 1, ceiling_div(35184372088834, 35184372088832) = 2, ceiling_div(18446708889337462782, 35184372088832) = 524287
    1815 ceiling_div(70368744177664, 70368744177664) = 1, ceiling_div(70368744177666, 70368744177664) = 2, ceiling_div(18446673704965373950, 70368744177664) = 262143
    1816 ceiling_div(140737488355328, 140737488355328) = 1, ceiling_div(140737488355330, 140737488355328) = 2, ceiling_div(18446603336221196286, 140737488355328) = 131071
    1817 ceiling_div(281474976710656, 281474976710656) = 1, ceiling_div(281474976710658, 281474976710656) = 2, ceiling_div(18446462598732840958, 281474976710656) = 65535
    1818 ceiling_div(562949953421312, 562949953421312) = 1, ceiling_div(562949953421314, 562949953421312) = 2, ceiling_div(18446181123756130302, 562949953421312) = 32767
    1819 ceiling_div(1125899906842624, 1125899906842624) = 1, ceiling_div(1125899906842626, 1125899906842624) = 2, ceiling_div(18445618173802708990, 1125899906842624) = 16383
    1820 ceiling_div(2251799813685248, 2251799813685248) = 1, ceiling_div(2251799813685250, 2251799813685248) = 2, ceiling_div(18444492273895866366, 2251799813685248) = 8191
    1821 ceiling_div(4503599627370496, 4503599627370496) = 1, ceiling_div(4503599627370498, 4503599627370496) = 2, ceiling_div(18442240474082181118, 4503599627370496) = 4095
    1822 ceiling_div(9007199254740992, 9007199254740992) = 1, ceiling_div(9007199254740994, 9007199254740992) = 2, ceiling_div(18437736874454810622, 9007199254740992) = 2047
    1823 ceiling_div(18014398509481984, 18014398509481984) = 1, ceiling_div(18014398509481986, 18014398509481984) = 2, ceiling_div(18428729675200069630, 18014398509481984) = 1023
    1824 ceiling_div(36028797018963968, 36028797018963968) = 1, ceiling_div(36028797018963970, 36028797018963968) = 2, ceiling_div(18410715276690587646, 36028797018963968) = 511
    1825 ceiling_div(72057594037927936, 72057594037927936) = 1, ceiling_div(72057594037927938, 72057594037927936) = 2, ceiling_div(18374686479671623678, 72057594037927936) = 255
    1826 ceiling_div(144115188075855872, 144115188075855872) = 1, ceiling_div(144115188075855874, 144115188075855872) = 2, ceiling_div(18302628885633695742, 144115188075855872) = 127
    1827 ceiling_div(288230376151711744, 288230376151711744) = 1, ceiling_div(288230376151711746, 288230376151711744) = 2, ceiling_div(18158513697557839870, 288230376151711744) = 63
    1828 ceiling_div(576460752303423488, 576460752303423488) = 1, ceiling_div(576460752303423490, 576460752303423488) = 2, ceiling_div(17870283321406128126, 576460752303423488) = 31
    1829 ceiling_div(1152921504606846976, 1152921504606846976) = 1, ceiling_div(1152921504606846978, 1152921504606846976) = 2, ceiling_div(17293822569102704638, 1152921504606846976) = 15
    1830 ceiling_div(2305843009213693952, 2305843009213693952) = 1, ceiling_div(2305843009213693954, 2305843009213693952) = 2, ceiling_div(16140901064495857662, 2305843009213693952) = 7
    1831 ceiling_div(4611686018427387904, 4611686018427387904) = 1, ceiling_div(4611686018427387906, 4611686018427387904) = 2, ceiling_div(13835058055282163710, 4611686018427387904) = 3
    1832 ceiling_div(9223372036854775808, 9223372036854775808) = 1, ceiling_div(9223372036854775810, 9223372036854775808) = 0, ceiling_div(9223372036854775806, 9223372036854775808) = 1
    1833 
    1834 long long int
    1835 ceiling_div(1, 1) = 1, ceiling_div(3, 1) = 3, ceiling_div(-3, 1) = -3
    1836 ceiling_div(2, 2) = 1, ceiling_div(4, 2) = 2, ceiling_div(-4, 2) = -1
    1837 ceiling_div(4, 4) = 1, ceiling_div(6, 4) = 2, ceiling_div(-6, 4) = 0
    1838 ceiling_div(8, 8) = 1, ceiling_div(10, 8) = 2, ceiling_div(-10, 8) = 0
    1839 ceiling_div(16, 16) = 1, ceiling_div(18, 16) = 2, ceiling_div(-18, 16) = 0
    1840 ceiling_div(32, 32) = 1, ceiling_div(34, 32) = 2, ceiling_div(-34, 32) = 0
    1841 ceiling_div(64, 64) = 1, ceiling_div(66, 64) = 2, ceiling_div(-66, 64) = 0
    1842 ceiling_div(128, 128) = 1, ceiling_div(130, 128) = 2, ceiling_div(-130, 128) = 0
    1843 ceiling_div(256, 256) = 1, ceiling_div(258, 256) = 2, ceiling_div(-258, 256) = 0
    1844 ceiling_div(512, 512) = 1, ceiling_div(514, 512) = 2, ceiling_div(-514, 512) = 0
    1845 ceiling_div(1024, 1024) = 1, ceiling_div(1026, 1024) = 2, ceiling_div(-1026, 1024) = 0
    1846 ceiling_div(2048, 2048) = 1, ceiling_div(2050, 2048) = 2, ceiling_div(-2050, 2048) = 0
    1847 ceiling_div(4096, 4096) = 1, ceiling_div(4098, 4096) = 2, ceiling_div(-4098, 4096) = 0
    1848 ceiling_div(8192, 8192) = 1, ceiling_div(8194, 8192) = 2, ceiling_div(-8194, 8192) = 0
    1849 ceiling_div(16384, 16384) = 1, ceiling_div(16386, 16384) = 2, ceiling_div(-16386, 16384) = 0
    1850 ceiling_div(32768, 32768) = 1, ceiling_div(32770, 32768) = 2, ceiling_div(-32770, 32768) = 0
    1851 ceiling_div(65536, 65536) = 1, ceiling_div(65538, 65536) = 2, ceiling_div(-65538, 65536) = 0
    1852 ceiling_div(131072, 131072) = 1, ceiling_div(131074, 131072) = 2, ceiling_div(-131074, 131072) = 0
    1853 ceiling_div(262144, 262144) = 1, ceiling_div(262146, 262144) = 2, ceiling_div(-262146, 262144) = 0
    1854 ceiling_div(524288, 524288) = 1, ceiling_div(524290, 524288) = 2, ceiling_div(-524290, 524288) = 0
    1855 ceiling_div(1048576, 1048576) = 1, ceiling_div(1048578, 1048576) = 2, ceiling_div(-1048578, 1048576) = 0
    1856 ceiling_div(2097152, 2097152) = 1, ceiling_div(2097154, 2097152) = 2, ceiling_div(-2097154, 2097152) = 0
    1857 ceiling_div(4194304, 4194304) = 1, ceiling_div(4194306, 4194304) = 2, ceiling_div(-4194306, 4194304) = 0
    1858 ceiling_div(8388608, 8388608) = 1, ceiling_div(8388610, 8388608) = 2, ceiling_div(-8388610, 8388608) = 0
    1859 ceiling_div(16777216, 16777216) = 1, ceiling_div(16777218, 16777216) = 2, ceiling_div(-16777218, 16777216) = 0
    1860 ceiling_div(33554432, 33554432) = 1, ceiling_div(33554434, 33554432) = 2, ceiling_div(-33554434, 33554432) = 0
    1861 ceiling_div(67108864, 67108864) = 1, ceiling_div(67108866, 67108864) = 2, ceiling_div(-67108866, 67108864) = 0
    1862 ceiling_div(134217728, 134217728) = 1, ceiling_div(134217730, 134217728) = 2, ceiling_div(-134217730, 134217728) = 0
    1863 ceiling_div(268435456, 268435456) = 1, ceiling_div(268435458, 268435456) = 2, ceiling_div(-268435458, 268435456) = 0
    1864 ceiling_div(536870912, 536870912) = 1, ceiling_div(536870914, 536870912) = 2, ceiling_div(-536870914, 536870912) = 0
    1865 ceiling_div(1073741824, 1073741824) = 1, ceiling_div(1073741826, 1073741824) = 2, ceiling_div(-1073741826, 1073741824) = 0
    1866 ceiling_div(2147483648, 2147483648) = 1, ceiling_div(2147483650, 2147483648) = 2, ceiling_div(-2147483650, 2147483648) = 0
    1867 ceiling_div(4294967296, 4294967296) = 1, ceiling_div(4294967298, 4294967296) = 2, ceiling_div(-4294967298, 4294967296) = 0
    1868 ceiling_div(8589934592, 8589934592) = 1, ceiling_div(8589934594, 8589934592) = 2, ceiling_div(-8589934594, 8589934592) = 0
    1869 ceiling_div(17179869184, 17179869184) = 1, ceiling_div(17179869186, 17179869184) = 2, ceiling_div(-17179869186, 17179869184) = 0
    1870 ceiling_div(34359738368, 34359738368) = 1, ceiling_div(34359738370, 34359738368) = 2, ceiling_div(-34359738370, 34359738368) = 0
    1871 ceiling_div(68719476736, 68719476736) = 1, ceiling_div(68719476738, 68719476736) = 2, ceiling_div(-68719476738, 68719476736) = 0
    1872 ceiling_div(137438953472, 137438953472) = 1, ceiling_div(137438953474, 137438953472) = 2, ceiling_div(-137438953474, 137438953472) = 0
    1873 ceiling_div(274877906944, 274877906944) = 1, ceiling_div(274877906946, 274877906944) = 2, ceiling_div(-274877906946, 274877906944) = 0
    1874 ceiling_div(549755813888, 549755813888) = 1, ceiling_div(549755813890, 549755813888) = 2, ceiling_div(-549755813890, 549755813888) = 0
    1875 ceiling_div(1099511627776, 1099511627776) = 1, ceiling_div(1099511627778, 1099511627776) = 2, ceiling_div(-1099511627778, 1099511627776) = 0
    1876 ceiling_div(2199023255552, 2199023255552) = 1, ceiling_div(2199023255554, 2199023255552) = 2, ceiling_div(-2199023255554, 2199023255552) = 0
    1877 ceiling_div(4398046511104, 4398046511104) = 1, ceiling_div(4398046511106, 4398046511104) = 2, ceiling_div(-4398046511106, 4398046511104) = 0
    1878 ceiling_div(8796093022208, 8796093022208) = 1, ceiling_div(8796093022210, 8796093022208) = 2, ceiling_div(-8796093022210, 8796093022208) = 0
    1879 ceiling_div(17592186044416, 17592186044416) = 1, ceiling_div(17592186044418, 17592186044416) = 2, ceiling_div(-17592186044418, 17592186044416) = 0
    1880 ceiling_div(35184372088832, 35184372088832) = 1, ceiling_div(35184372088834, 35184372088832) = 2, ceiling_div(-35184372088834, 35184372088832) = 0
    1881 ceiling_div(70368744177664, 70368744177664) = 1, ceiling_div(70368744177666, 70368744177664) = 2, ceiling_div(-70368744177666, 70368744177664) = 0
    1882 ceiling_div(140737488355328, 140737488355328) = 1, ceiling_div(140737488355330, 140737488355328) = 2, ceiling_div(-140737488355330, 140737488355328) = 0
    1883 ceiling_div(281474976710656, 281474976710656) = 1, ceiling_div(281474976710658, 281474976710656) = 2, ceiling_div(-281474976710658, 281474976710656) = 0
    1884 ceiling_div(562949953421312, 562949953421312) = 1, ceiling_div(562949953421314, 562949953421312) = 2, ceiling_div(-562949953421314, 562949953421312) = 0
    1885 ceiling_div(1125899906842624, 1125899906842624) = 1, ceiling_div(1125899906842626, 1125899906842624) = 2, ceiling_div(-1125899906842626, 1125899906842624) = 0
    1886 ceiling_div(2251799813685248, 2251799813685248) = 1, ceiling_div(2251799813685250, 2251799813685248) = 2, ceiling_div(-2251799813685250, 2251799813685248) = 0
    1887 ceiling_div(4503599627370496, 4503599627370496) = 1, ceiling_div(4503599627370498, 4503599627370496) = 2, ceiling_div(-4503599627370498, 4503599627370496) = 0
    1888 ceiling_div(9007199254740992, 9007199254740992) = 1, ceiling_div(9007199254740994, 9007199254740992) = 2, ceiling_div(-9007199254740994, 9007199254740992) = 0
    1889 ceiling_div(18014398509481984, 18014398509481984) = 1, ceiling_div(18014398509481986, 18014398509481984) = 2, ceiling_div(-18014398509481986, 18014398509481984) = 0
    1890 ceiling_div(36028797018963968, 36028797018963968) = 1, ceiling_div(36028797018963970, 36028797018963968) = 2, ceiling_div(-36028797018963970, 36028797018963968) = 0
    1891 ceiling_div(72057594037927936, 72057594037927936) = 1, ceiling_div(72057594037927938, 72057594037927936) = 2, ceiling_div(-72057594037927938, 72057594037927936) = 0
    1892 ceiling_div(144115188075855872, 144115188075855872) = 1, ceiling_div(144115188075855874, 144115188075855872) = 2, ceiling_div(-144115188075855874, 144115188075855872) = 0
    1893 ceiling_div(288230376151711744, 288230376151711744) = 1, ceiling_div(288230376151711746, 288230376151711744) = 2, ceiling_div(-288230376151711746, 288230376151711744) = 0
    1894 ceiling_div(576460752303423488, 576460752303423488) = 1, ceiling_div(576460752303423490, 576460752303423488) = 2, ceiling_div(-576460752303423490, 576460752303423488) = 0
    1895 ceiling_div(1152921504606846976, 1152921504606846976) = 1, ceiling_div(1152921504606846978, 1152921504606846976) = 2, ceiling_div(-1152921504606846978, 1152921504606846976) = 0
    1896 ceiling_div(2305843009213693952, 2305843009213693952) = 1, ceiling_div(2305843009213693954, 2305843009213693952) = 2, ceiling_div(-2305843009213693954, 2305843009213693952) = 0
    1897 ceiling_div(4611686018427387904, 4611686018427387904) = 1, ceiling_div(4611686018427387906, 4611686018427387904) = -1, ceiling_div(-4611686018427387906, 4611686018427387904) = 0
    1898 ceiling_div(-9223372036854775808, -9223372036854775808) = 0, ceiling_div(-9223372036854775806, -9223372036854775808) = 0, ceiling_div(9223372036854775806, -9223372036854775808) = 0
    1899 
    1900 unsigned long long int
    1901 ceiling_div(1, 1) = 1, ceiling_div(3, 1) = 3, ceiling_div(18446744073709551613, 1) = 18446744073709551613
    1902 ceiling_div(2, 2) = 1, ceiling_div(4, 2) = 2, ceiling_div(18446744073709551612, 2) = 9223372036854775806
    1903 ceiling_div(4, 4) = 1, ceiling_div(6, 4) = 2, ceiling_div(18446744073709551610, 4) = 4611686018427387903
    1904 ceiling_div(8, 8) = 1, ceiling_div(10, 8) = 2, ceiling_div(18446744073709551606, 8) = 2305843009213693951
    1905 ceiling_div(16, 16) = 1, ceiling_div(18, 16) = 2, ceiling_div(18446744073709551598, 16) = 1152921504606846975
    1906 ceiling_div(32, 32) = 1, ceiling_div(34, 32) = 2, ceiling_div(18446744073709551582, 32) = 576460752303423487
    1907 ceiling_div(64, 64) = 1, ceiling_div(66, 64) = 2, ceiling_div(18446744073709551550, 64) = 288230376151711743
    1908 ceiling_div(128, 128) = 1, ceiling_div(130, 128) = 2, ceiling_div(18446744073709551486, 128) = 144115188075855871
    1909 ceiling_div(256, 256) = 1, ceiling_div(258, 256) = 2, ceiling_div(18446744073709551358, 256) = 72057594037927935
    1910 ceiling_div(512, 512) = 1, ceiling_div(514, 512) = 2, ceiling_div(18446744073709551102, 512) = 36028797018963967
    1911 ceiling_div(1024, 1024) = 1, ceiling_div(1026, 1024) = 2, ceiling_div(18446744073709550590, 1024) = 18014398509481983
    1912 ceiling_div(2048, 2048) = 1, ceiling_div(2050, 2048) = 2, ceiling_div(18446744073709549566, 2048) = 9007199254740991
    1913 ceiling_div(4096, 4096) = 1, ceiling_div(4098, 4096) = 2, ceiling_div(18446744073709547518, 4096) = 4503599627370495
    1914 ceiling_div(8192, 8192) = 1, ceiling_div(8194, 8192) = 2, ceiling_div(18446744073709543422, 8192) = 2251799813685247
    1915 ceiling_div(16384, 16384) = 1, ceiling_div(16386, 16384) = 2, ceiling_div(18446744073709535230, 16384) = 1125899906842623
    1916 ceiling_div(32768, 32768) = 1, ceiling_div(32770, 32768) = 2, ceiling_div(18446744073709518846, 32768) = 562949953421311
    1917 ceiling_div(65536, 65536) = 1, ceiling_div(65538, 65536) = 2, ceiling_div(18446744073709486078, 65536) = 281474976710655
    1918 ceiling_div(131072, 131072) = 1, ceiling_div(131074, 131072) = 2, ceiling_div(18446744073709420542, 131072) = 140737488355327
    1919 ceiling_div(262144, 262144) = 1, ceiling_div(262146, 262144) = 2, ceiling_div(18446744073709289470, 262144) = 70368744177663
    1920 ceiling_div(524288, 524288) = 1, ceiling_div(524290, 524288) = 2, ceiling_div(18446744073709027326, 524288) = 35184372088831
    1921 ceiling_div(1048576, 1048576) = 1, ceiling_div(1048578, 1048576) = 2, ceiling_div(18446744073708503038, 1048576) = 17592186044415
    1922 ceiling_div(2097152, 2097152) = 1, ceiling_div(2097154, 2097152) = 2, ceiling_div(18446744073707454462, 2097152) = 8796093022207
    1923 ceiling_div(4194304, 4194304) = 1, ceiling_div(4194306, 4194304) = 2, ceiling_div(18446744073705357310, 4194304) = 4398046511103
    1924 ceiling_div(8388608, 8388608) = 1, ceiling_div(8388610, 8388608) = 2, ceiling_div(18446744073701163006, 8388608) = 2199023255551
    1925 ceiling_div(16777216, 16777216) = 1, ceiling_div(16777218, 16777216) = 2, ceiling_div(18446744073692774398, 16777216) = 1099511627775
    1926 ceiling_div(33554432, 33554432) = 1, ceiling_div(33554434, 33554432) = 2, ceiling_div(18446744073675997182, 33554432) = 549755813887
    1927 ceiling_div(67108864, 67108864) = 1, ceiling_div(67108866, 67108864) = 2, ceiling_div(18446744073642442750, 67108864) = 274877906943
    1928 ceiling_div(134217728, 134217728) = 1, ceiling_div(134217730, 134217728) = 2, ceiling_div(18446744073575333886, 134217728) = 137438953471
    1929 ceiling_div(268435456, 268435456) = 1, ceiling_div(268435458, 268435456) = 2, ceiling_div(18446744073441116158, 268435456) = 68719476735
    1930 ceiling_div(536870912, 536870912) = 1, ceiling_div(536870914, 536870912) = 2, ceiling_div(18446744073172680702, 536870912) = 34359738367
    1931 ceiling_div(1073741824, 1073741824) = 1, ceiling_div(1073741826, 1073741824) = 2, ceiling_div(18446744072635809790, 1073741824) = 17179869183
    1932 ceiling_div(2147483648, 2147483648) = 1, ceiling_div(2147483650, 2147483648) = 2, ceiling_div(18446744071562067966, 2147483648) = 8589934591
    1933 ceiling_div(4294967296, 4294967296) = 1, ceiling_div(4294967298, 4294967296) = 2, ceiling_div(18446744069414584318, 4294967296) = 4294967295
    1934 ceiling_div(8589934592, 8589934592) = 1, ceiling_div(8589934594, 8589934592) = 2, ceiling_div(18446744065119617022, 8589934592) = 2147483647
    1935 ceiling_div(17179869184, 17179869184) = 1, ceiling_div(17179869186, 17179869184) = 2, ceiling_div(18446744056529682430, 17179869184) = 1073741823
    1936 ceiling_div(34359738368, 34359738368) = 1, ceiling_div(34359738370, 34359738368) = 2, ceiling_div(18446744039349813246, 34359738368) = 536870911
    1937 ceiling_div(68719476736, 68719476736) = 1, ceiling_div(68719476738, 68719476736) = 2, ceiling_div(18446744004990074878, 68719476736) = 268435455
    1938 ceiling_div(137438953472, 137438953472) = 1, ceiling_div(137438953474, 137438953472) = 2, ceiling_div(18446743936270598142, 137438953472) = 134217727
    1939 ceiling_div(274877906944, 274877906944) = 1, ceiling_div(274877906946, 274877906944) = 2, ceiling_div(18446743798831644670, 274877906944) = 67108863
    1940 ceiling_div(549755813888, 549755813888) = 1, ceiling_div(549755813890, 549755813888) = 2, ceiling_div(18446743523953737726, 549755813888) = 33554431
    1941 ceiling_div(1099511627776, 1099511627776) = 1, ceiling_div(1099511627778, 1099511627776) = 2, ceiling_div(18446742974197923838, 1099511627776) = 16777215
    1942 ceiling_div(2199023255552, 2199023255552) = 1, ceiling_div(2199023255554, 2199023255552) = 2, ceiling_div(18446741874686296062, 2199023255552) = 8388607
    1943 ceiling_div(4398046511104, 4398046511104) = 1, ceiling_div(4398046511106, 4398046511104) = 2, ceiling_div(18446739675663040510, 4398046511104) = 4194303
    1944 ceiling_div(8796093022208, 8796093022208) = 1, ceiling_div(8796093022210, 8796093022208) = 2, ceiling_div(18446735277616529406, 8796093022208) = 2097151
    1945 ceiling_div(17592186044416, 17592186044416) = 1, ceiling_div(17592186044418, 17592186044416) = 2, ceiling_div(18446726481523507198, 17592186044416) = 1048575
    1946 ceiling_div(35184372088832, 35184372088832) = 1, ceiling_div(35184372088834, 35184372088832) = 2, ceiling_div(18446708889337462782, 35184372088832) = 524287
    1947 ceiling_div(70368744177664, 70368744177664) = 1, ceiling_div(70368744177666, 70368744177664) = 2, ceiling_div(18446673704965373950, 70368744177664) = 262143
    1948 ceiling_div(140737488355328, 140737488355328) = 1, ceiling_div(140737488355330, 140737488355328) = 2, ceiling_div(18446603336221196286, 140737488355328) = 131071
    1949 ceiling_div(281474976710656, 281474976710656) = 1, ceiling_div(281474976710658, 281474976710656) = 2, ceiling_div(18446462598732840958, 281474976710656) = 65535
    1950 ceiling_div(562949953421312, 562949953421312) = 1, ceiling_div(562949953421314, 562949953421312) = 2, ceiling_div(18446181123756130302, 562949953421312) = 32767
    1951 ceiling_div(1125899906842624, 1125899906842624) = 1, ceiling_div(1125899906842626, 1125899906842624) = 2, ceiling_div(18445618173802708990, 1125899906842624) = 16383
    1952 ceiling_div(2251799813685248, 2251799813685248) = 1, ceiling_div(2251799813685250, 2251799813685248) = 2, ceiling_div(18444492273895866366, 2251799813685248) = 8191
    1953 ceiling_div(4503599627370496, 4503599627370496) = 1, ceiling_div(4503599627370498, 4503599627370496) = 2, ceiling_div(18442240474082181118, 4503599627370496) = 4095
    1954 ceiling_div(9007199254740992, 9007199254740992) = 1, ceiling_div(9007199254740994, 9007199254740992) = 2, ceiling_div(18437736874454810622, 9007199254740992) = 2047
    1955 ceiling_div(18014398509481984, 18014398509481984) = 1, ceiling_div(18014398509481986, 18014398509481984) = 2, ceiling_div(18428729675200069630, 18014398509481984) = 1023
    1956 ceiling_div(36028797018963968, 36028797018963968) = 1, ceiling_div(36028797018963970, 36028797018963968) = 2, ceiling_div(18410715276690587646, 36028797018963968) = 511
    1957 ceiling_div(72057594037927936, 72057594037927936) = 1, ceiling_div(72057594037927938, 72057594037927936) = 2, ceiling_div(18374686479671623678, 72057594037927936) = 255
    1958 ceiling_div(144115188075855872, 144115188075855872) = 1, ceiling_div(144115188075855874, 144115188075855872) = 2, ceiling_div(18302628885633695742, 144115188075855872) = 127
    1959 ceiling_div(288230376151711744, 288230376151711744) = 1, ceiling_div(288230376151711746, 288230376151711744) = 2, ceiling_div(18158513697557839870, 288230376151711744) = 63
    1960 ceiling_div(576460752303423488, 576460752303423488) = 1, ceiling_div(576460752303423490, 576460752303423488) = 2, ceiling_div(17870283321406128126, 576460752303423488) = 31
    1961 ceiling_div(1152921504606846976, 1152921504606846976) = 1, ceiling_div(1152921504606846978, 1152921504606846976) = 2, ceiling_div(17293822569102704638, 1152921504606846976) = 15
    1962 ceiling_div(2305843009213693952, 2305843009213693952) = 1, ceiling_div(2305843009213693954, 2305843009213693952) = 2, ceiling_div(16140901064495857662, 2305843009213693952) = 7
    1963 ceiling_div(4611686018427387904, 4611686018427387904) = 1, ceiling_div(4611686018427387906, 4611686018427387904) = 2, ceiling_div(13835058055282163710, 4611686018427387904) = 3
    1964 ceiling_div(9223372036854775808, 9223372036854775808) = 1, ceiling_div(9223372036854775810, 9223372036854775808) = 0, ceiling_div(9223372036854775806, 9223372036854775808) = 1
    1965 
    1966 
    19671596ceiling
    19681597
    19691598signed char
    19701599ceiling(1, 1) = 1, ceiling(3, 1) = 3, ceiling(-3, 1) = -3
    1971 ceiling(2, 2) = 2, ceiling(4, 2) = 4, ceiling(-4, 2) = -4
    1972 ceiling(4, 4) = 4, ceiling(6, 4) = 8, ceiling(-6, 4) = 0
    1973 ceiling(8, 8) = 8, ceiling(10, 8) = 16, ceiling(-10, 8) = 0
    1974 ceiling(16, 16) = 16, ceiling(18, 16) = 32, ceiling(-18, 16) = 0
    1975 ceiling(32, 32) = 32, ceiling(34, 32) = 64, ceiling(-34, 32) = 0
    1976 ceiling(64, 64) = 64, ceiling(66, 64) = -128, ceiling(-66, 64) = 0
    1977 ceiling(-128, -128) = -128, ceiling(-126, -128) = -128, ceiling(126, -128) = 0
     1600ceiling(2, 2) = 1, ceiling(4, 2) = 2, ceiling(-4, 2) = -1
     1601ceiling(4, 4) = 1, ceiling(6, 4) = 2, ceiling(-6, 4) = 0
     1602ceiling(8, 8) = 1, ceiling(10, 8) = 2, ceiling(-10, 8) = 0
     1603ceiling(16, 16) = 1, ceiling(18, 16) = 2, ceiling(-18, 16) = 0
     1604ceiling(32, 32) = 1, ceiling(34, 32) = 2, ceiling(-34, 32) = 0
     1605ceiling(64, 64) = 1, ceiling(66, 64) = 2, ceiling(-66, 64) = 0
     1606ceiling(-128, -128) = 2, ceiling(-126, -128) = 1, ceiling(126, -128) = 0
    19781607
    19791608unsigned char
    19801609ceiling(1, 1) = 1, ceiling(3, 1) = 3, ceiling(253, 1) = 253
    1981 ceiling(2, 2) = 2, ceiling(4, 2) = 4, ceiling(252, 2) = 252
    1982 ceiling(4, 4) = 4, ceiling(6, 4) = 8, ceiling(250, 4) = 252
    1983 ceiling(8, 8) = 8, ceiling(10, 8) = 16, ceiling(246, 8) = 248
    1984 ceiling(16, 16) = 16, ceiling(18, 16) = 32, ceiling(238, 16) = 240
    1985 ceiling(32, 32) = 32, ceiling(34, 32) = 64, ceiling(222, 32) = 224
    1986 ceiling(64, 64) = 64, ceiling(66, 64) = 128, ceiling(190, 64) = 192
    1987 ceiling(128, 128) = 128, ceiling(130, 128) = 0, ceiling(126, 128) = 128
     1610ceiling(2, 2) = 1, ceiling(4, 2) = 2, ceiling(252, 2) = 126
     1611ceiling(4, 4) = 1, ceiling(6, 4) = 2, ceiling(250, 4) = 63
     1612ceiling(8, 8) = 1, ceiling(10, 8) = 2, ceiling(246, 8) = 31
     1613ceiling(16, 16) = 1, ceiling(18, 16) = 2, ceiling(238, 16) = 15
     1614ceiling(32, 32) = 1, ceiling(34, 32) = 2, ceiling(222, 32) = 7
     1615ceiling(64, 64) = 1, ceiling(66, 64) = 2, ceiling(190, 64) = 3
     1616ceiling(128, 128) = 1, ceiling(130, 128) = 2, ceiling(126, 128) = 1
    19881617
    19891618short int
    19901619ceiling(1, 1) = 1, ceiling(3, 1) = 3, ceiling(-3, 1) = -3
    1991 ceiling(2, 2) = 2, ceiling(4, 2) = 4, ceiling(-4, 2) = -4
    1992 ceiling(4, 4) = 4, ceiling(6, 4) = 8, ceiling(-6, 4) = 0
    1993 ceiling(8, 8) = 8, ceiling(10, 8) = 16, ceiling(-10, 8) = 0
    1994 ceiling(16, 16) = 16, ceiling(18, 16) = 32, ceiling(-18, 16) = 0
    1995 ceiling(32, 32) = 32, ceiling(34, 32) = 64, ceiling(-34, 32) = 0
    1996 ceiling(64, 64) = 64, ceiling(66, 64) = 128, ceiling(-66, 64) = 0
    1997 ceiling(128, 128) = 128, ceiling(130, 128) = 256, ceiling(-130, 128) = 0
    1998 ceiling(256, 256) = 256, ceiling(258, 256) = 512, ceiling(-258, 256) = 0
    1999 ceiling(512, 512) = 512, ceiling(514, 512) = 1024, ceiling(-514, 512) = 0
    2000 ceiling(1024, 1024) = 1024, ceiling(1026, 1024) = 2048, ceiling(-1026, 1024) = 0
    2001 ceiling(2048, 2048) = 2048, ceiling(2050, 2048) = 4096, ceiling(-2050, 2048) = 0
    2002 ceiling(4096, 4096) = 4096, ceiling(4098, 4096) = 8192, ceiling(-4098, 4096) = 0
    2003 ceiling(8192, 8192) = 8192, ceiling(8194, 8192) = 16384, ceiling(-8194, 8192) = 0
    2004 ceiling(16384, 16384) = 16384, ceiling(16386, 16384) = -32768, ceiling(-16386, 16384) = 0
    2005 ceiling(-32768, -32768) = -32768, ceiling(-32766, -32768) = -32768, ceiling(32766, -32768) = 0
     1620ceiling(2, 2) = 1, ceiling(4, 2) = 2, ceiling(-4, 2) = -1
     1621ceiling(4, 4) = 1, ceiling(6, 4) = 2, ceiling(-6, 4) = 0
     1622ceiling(8, 8) = 1, ceiling(10, 8) = 2, ceiling(-10, 8) = 0
     1623ceiling(16, 16) = 1, ceiling(18, 16) = 2, ceiling(-18, 16) = 0
     1624ceiling(32, 32) = 1, ceiling(34, 32) = 2, ceiling(-34, 32) = 0
     1625ceiling(64, 64) = 1, ceiling(66, 64) = 2, ceiling(-66, 64) = 0
     1626ceiling(128, 128) = 1, ceiling(130, 128) = 2, ceiling(-130, 128) = 0
     1627ceiling(256, 256) = 1, ceiling(258, 256) = 2, ceiling(-258, 256) = 0
     1628ceiling(512, 512) = 1, ceiling(514, 512) = 2, ceiling(-514, 512) = 0
     1629ceiling(1024, 1024) = 1, ceiling(1026, 1024) = 2, ceiling(-1026, 1024) = 0
     1630ceiling(2048, 2048) = 1, ceiling(2050, 2048) = 2, ceiling(-2050, 2048) = 0
     1631ceiling(4096, 4096) = 1, ceiling(4098, 4096) = 2, ceiling(-4098, 4096) = 0
     1632ceiling(8192, 8192) = 1, ceiling(8194, 8192) = 2, ceiling(-8194, 8192) = 0
     1633ceiling(16384, 16384) = 1, ceiling(16386, 16384) = 2, ceiling(-16386, 16384) = 0
     1634ceiling(-32768, -32768) = 2, ceiling(-32766, -32768) = 1, ceiling(32766, -32768) = 0
    20061635
    20071636unsigned short int
    20081637ceiling(1, 1) = 1, ceiling(3, 1) = 3, ceiling(65533, 1) = 65533
    2009 ceiling(2, 2) = 2, ceiling(4, 2) = 4, ceiling(65532, 2) = 65532
    2010 ceiling(4, 4) = 4, ceiling(6, 4) = 8, ceiling(65530, 4) = 65532
    2011 ceiling(8, 8) = 8, ceiling(10, 8) = 16, ceiling(65526, 8) = 65528
    2012 ceiling(16, 16) = 16, ceiling(18, 16) = 32, ceiling(65518, 16) = 65520
    2013 ceiling(32, 32) = 32, ceiling(34, 32) = 64, ceiling(65502, 32) = 65504
    2014 ceiling(64, 64) = 64, ceiling(66, 64) = 128, ceiling(65470, 64) = 65472
    2015 ceiling(128, 128) = 128, ceiling(130, 128) = 256, ceiling(65406, 128) = 65408
    2016 ceiling(256, 256) = 256, ceiling(258, 256) = 512, ceiling(65278, 256) = 65280
    2017 ceiling(512, 512) = 512, ceiling(514, 512) = 1024, ceiling(65022, 512) = 65024
    2018 ceiling(1024, 1024) = 1024, ceiling(1026, 1024) = 2048, ceiling(64510, 1024) = 64512
    2019 ceiling(2048, 2048) = 2048, ceiling(2050, 2048) = 4096, ceiling(63486, 2048) = 63488
    2020 ceiling(4096, 4096) = 4096, ceiling(4098, 4096) = 8192, ceiling(61438, 4096) = 61440
    2021 ceiling(8192, 8192) = 8192, ceiling(8194, 8192) = 16384, ceiling(57342, 8192) = 57344
    2022 ceiling(16384, 16384) = 16384, ceiling(16386, 16384) = 32768, ceiling(49150, 16384) = 49152
    2023 ceiling(32768, 32768) = 32768, ceiling(32770, 32768) = 0, ceiling(32766, 32768) = 32768
     1638ceiling(2, 2) = 1, ceiling(4, 2) = 2, ceiling(65532, 2) = 32766
     1639ceiling(4, 4) = 1, ceiling(6, 4) = 2, ceiling(65530, 4) = 16383
     1640ceiling(8, 8) = 1, ceiling(10, 8) = 2, ceiling(65526, 8) = 8191
     1641ceiling(16, 16) = 1, ceiling(18, 16) = 2, ceiling(65518, 16) = 4095
     1642ceiling(32, 32) = 1, ceiling(34, 32) = 2, ceiling(65502, 32) = 2047
     1643ceiling(64, 64) = 1, ceiling(66, 64) = 2, ceiling(65470, 64) = 1023
     1644ceiling(128, 128) = 1, ceiling(130, 128) = 2, ceiling(65406, 128) = 511
     1645ceiling(256, 256) = 1, ceiling(258, 256) = 2, ceiling(65278, 256) = 255
     1646ceiling(512, 512) = 1, ceiling(514, 512) = 2, ceiling(65022, 512) = 127
     1647ceiling(1024, 1024) = 1, ceiling(1026, 1024) = 2, ceiling(64510, 1024) = 63
     1648ceiling(2048, 2048) = 1, ceiling(2050, 2048) = 2, ceiling(63486, 2048) = 31
     1649ceiling(4096, 4096) = 1, ceiling(4098, 4096) = 2, ceiling(61438, 4096) = 15
     1650ceiling(8192, 8192) = 1, ceiling(8194, 8192) = 2, ceiling(57342, 8192) = 7
     1651ceiling(16384, 16384) = 1, ceiling(16386, 16384) = 2, ceiling(49150, 16384) = 3
     1652ceiling(32768, 32768) = 1, ceiling(32770, 32768) = 2, ceiling(32766, 32768) = 1
    20241653
    20251654int
    20261655ceiling(1, 1) = 1, ceiling(3, 1) = 3, ceiling(-3, 1) = -3
    2027 ceiling(2, 2) = 2, ceiling(4, 2) = 4, ceiling(-4, 2) = -4
    2028 ceiling(4, 4) = 4, ceiling(6, 4) = 8, ceiling(-6, 4) = 0
    2029 ceiling(8, 8) = 8, ceiling(10, 8) = 16, ceiling(-10, 8) = 0
    2030 ceiling(16, 16) = 16, ceiling(18, 16) = 32, ceiling(-18, 16) = 0
    2031 ceiling(32, 32) = 32, ceiling(34, 32) = 64, ceiling(-34, 32) = 0
    2032 ceiling(64, 64) = 64, ceiling(66, 64) = 128, ceiling(-66, 64) = 0
    2033 ceiling(128, 128) = 128, ceiling(130, 128) = 256, ceiling(-130, 128) = 0
    2034 ceiling(256, 256) = 256, ceiling(258, 256) = 512, ceiling(-258, 256) = 0
    2035 ceiling(512, 512) = 512, ceiling(514, 512) = 1024, ceiling(-514, 512) = 0
    2036 ceiling(1024, 1024) = 1024, ceiling(1026, 1024) = 2048, ceiling(-1026, 1024) = 0
    2037 ceiling(2048, 2048) = 2048, ceiling(2050, 2048) = 4096, ceiling(-2050, 2048) = 0
    2038 ceiling(4096, 4096) = 4096, ceiling(4098, 4096) = 8192, ceiling(-4098, 4096) = 0
    2039 ceiling(8192, 8192) = 8192, ceiling(8194, 8192) = 16384, ceiling(-8194, 8192) = 0
    2040 ceiling(16384, 16384) = 16384, ceiling(16386, 16384) = 32768, ceiling(-16386, 16384) = 0
    2041 ceiling(32768, 32768) = 32768, ceiling(32770, 32768) = 65536, ceiling(-32770, 32768) = 0
    2042 ceiling(65536, 65536) = 65536, ceiling(65538, 65536) = 131072, ceiling(-65538, 65536) = 0
    2043 ceiling(131072, 131072) = 131072, ceiling(131074, 131072) = 262144, ceiling(-131074, 131072) = 0
    2044 ceiling(262144, 262144) = 262144, ceiling(262146, 262144) = 524288, ceiling(-262146, 262144) = 0
    2045 ceiling(524288, 524288) = 524288, ceiling(524290, 524288) = 1048576, ceiling(-524290, 524288) = 0
    2046 ceiling(1048576, 1048576) = 1048576, ceiling(1048578, 1048576) = 2097152, ceiling(-1048578, 1048576) = 0
    2047 ceiling(2097152, 2097152) = 2097152, ceiling(2097154, 2097152) = 4194304, ceiling(-2097154, 2097152) = 0
    2048 ceiling(4194304, 4194304) = 4194304, ceiling(4194306, 4194304) = 8388608, ceiling(-4194306, 4194304) = 0
    2049 ceiling(8388608, 8388608) = 8388608, ceiling(8388610, 8388608) = 16777216, ceiling(-8388610, 8388608) = 0
    2050 ceiling(16777216, 16777216) = 16777216, ceiling(16777218, 16777216) = 33554432, ceiling(-16777218, 16777216) = 0
    2051 ceiling(33554432, 33554432) = 33554432, ceiling(33554434, 33554432) = 67108864, ceiling(-33554434, 33554432) = 0
    2052 ceiling(67108864, 67108864) = 67108864, ceiling(67108866, 67108864) = 134217728, ceiling(-67108866, 67108864) = 0
    2053 ceiling(134217728, 134217728) = 134217728, ceiling(134217730, 134217728) = 268435456, ceiling(-134217730, 134217728) = 0
    2054 ceiling(268435456, 268435456) = 268435456, ceiling(268435458, 268435456) = 536870912, ceiling(-268435458, 268435456) = 0
    2055 ceiling(536870912, 536870912) = 536870912, ceiling(536870914, 536870912) = 1073741824, ceiling(-536870914, 536870912) = 0
    2056 ceiling(1073741824, 1073741824) = 1073741824, ceiling(1073741826, 1073741824) = -1073741824, ceiling(-1073741826, 1073741824) = 0
    2057 ceiling(-2147483648, -2147483648) = -2147483648, ceiling(-2147483646, -2147483648) = 0, ceiling(2147483646, -2147483648) = 0
     1656ceiling(2, 2) = 1, ceiling(4, 2) = 2, ceiling(-4, 2) = -1
     1657ceiling(4, 4) = 1, ceiling(6, 4) = 2, ceiling(-6, 4) = 0
     1658ceiling(8, 8) = 1, ceiling(10, 8) = 2, ceiling(-10, 8) = 0
     1659ceiling(16, 16) = 1, ceiling(18, 16) = 2, ceiling(-18, 16) = 0
     1660ceiling(32, 32) = 1, ceiling(34, 32) = 2, ceiling(-34, 32) = 0
     1661ceiling(64, 64) = 1, ceiling(66, 64) = 2, ceiling(-66, 64) = 0
     1662ceiling(128, 128) = 1, ceiling(130, 128) = 2, ceiling(-130, 128) = 0
     1663ceiling(256, 256) = 1, ceiling(258, 256) = 2, ceiling(-258, 256) = 0
     1664ceiling(512, 512) = 1, ceiling(514, 512) = 2, ceiling(-514, 512) = 0
     1665ceiling(1024, 1024) = 1, ceiling(1026, 1024) = 2, ceiling(-1026, 1024) = 0
     1666ceiling(2048, 2048) = 1, ceiling(2050, 2048) = 2, ceiling(-2050, 2048) = 0
     1667ceiling(4096, 4096) = 1, ceiling(4098, 4096) = 2, ceiling(-4098, 4096) = 0
     1668ceiling(8192, 8192) = 1, ceiling(8194, 8192) = 2, ceiling(-8194, 8192) = 0
     1669ceiling(16384, 16384) = 1, ceiling(16386, 16384) = 2, ceiling(-16386, 16384) = 0
     1670ceiling(32768, 32768) = 1, ceiling(32770, 32768) = 2, ceiling(-32770, 32768) = 0
     1671ceiling(65536, 65536) = 1, ceiling(65538, 65536) = 2, ceiling(-65538, 65536) = 0
     1672ceiling(131072, 131072) = 1, ceiling(131074, 131072) = 2, ceiling(-131074, 131072) = 0
     1673ceiling(262144, 262144) = 1, ceiling(262146, 262144) = 2, ceiling(-262146, 262144) = 0
     1674ceiling(524288, 524288) = 1, ceiling(524290, 524288) = 2, ceiling(-524290, 524288) = 0
     1675ceiling(1048576, 1048576) = 1, ceiling(1048578, 1048576) = 2, ceiling(-1048578, 1048576) = 0
     1676ceiling(2097152, 2097152) = 1, ceiling(2097154, 2097152) = 2, ceiling(-2097154, 2097152) = 0
     1677ceiling(4194304, 4194304) = 1, ceiling(4194306, 4194304) = 2, ceiling(-4194306, 4194304) = 0
     1678ceiling(8388608, 8388608) = 1, ceiling(8388610, 8388608) = 2, ceiling(-8388610, 8388608) = 0
     1679ceiling(16777216, 16777216) = 1, ceiling(16777218, 16777216) = 2, ceiling(-16777218, 16777216) = 0
     1680ceiling(33554432, 33554432) = 1, ceiling(33554434, 33554432) = 2, ceiling(-33554434, 33554432) = 0
     1681ceiling(67108864, 67108864) = 1, ceiling(67108866, 67108864) = 2, ceiling(-67108866, 67108864) = 0
     1682ceiling(134217728, 134217728) = 1, ceiling(134217730, 134217728) = 2, ceiling(-134217730, 134217728) = 0
     1683ceiling(268435456, 268435456) = 1, ceiling(268435458, 268435456) = 2, ceiling(-268435458, 268435456) = 0
     1684ceiling(536870912, 536870912) = 1, ceiling(536870914, 536870912) = 2, ceiling(-536870914, 536870912) = 0
     1685ceiling(1073741824, 1073741824) = 1, ceiling(1073741826, 1073741824) = -1, ceiling(-1073741826, 1073741824) = 0
     1686ceiling(-2147483648, -2147483648) = 0, ceiling(-2147483646, -2147483648) = 0, ceiling(2147483646, -2147483648) = 0
    20581687
    20591688unsigned int
    20601689ceiling(1, 1) = 1, ceiling(3, 1) = 3, ceiling(4294967293, 1) = 4294967293
    2061 ceiling(2, 2) = 2, ceiling(4, 2) = 4, ceiling(4294967292, 2) = 4294967292
    2062 ceiling(4, 4) = 4, ceiling(6, 4) = 8, ceiling(4294967290, 4) = 4294967292
    2063 ceiling(8, 8) = 8, ceiling(10, 8) = 16, ceiling(4294967286, 8) = 4294967288
    2064 ceiling(16, 16) = 16, ceiling(18, 16) = 32, ceiling(4294967278, 16) = 4294967280
    2065 ceiling(32, 32) = 32, ceiling(34, 32) = 64, ceiling(4294967262, 32) = 4294967264
    2066 ceiling(64, 64) = 64, ceiling(66, 64) = 128, ceiling(4294967230, 64) = 4294967232
    2067 ceiling(128, 128) = 128, ceiling(130, 128) = 256, ceiling(4294967166, 128) = 4294967168
    2068 ceiling(256, 256) = 256, ceiling(258, 256) = 512, ceiling(4294967038, 256) = 4294967040
    2069 ceiling(512, 512) = 512, ceiling(514, 512) = 1024, ceiling(4294966782, 512) = 4294966784
    2070 ceiling(1024, 1024) = 1024, ceiling(1026, 1024) = 2048, ceiling(4294966270, 1024) = 4294966272
    2071 ceiling(2048, 2048) = 2048, ceiling(2050, 2048) = 4096, ceiling(4294965246, 2048) = 4294965248
    2072 ceiling(4096, 4096) = 4096, ceiling(4098, 4096) = 8192, ceiling(4294963198, 4096) = 4294963200
    2073 ceiling(8192, 8192) = 8192, ceiling(8194, 8192) = 16384, ceiling(4294959102, 8192) = 4294959104
    2074 ceiling(16384, 16384) = 16384, ceiling(16386, 16384) = 32768, ceiling(4294950910, 16384) = 4294950912
    2075 ceiling(32768, 32768) = 32768, ceiling(32770, 32768) = 65536, ceiling(4294934526, 32768) = 4294934528
    2076 ceiling(65536, 65536) = 65536, ceiling(65538, 65536) = 131072, ceiling(4294901758, 65536) = 4294901760
    2077 ceiling(131072, 131072) = 131072, ceiling(131074, 131072) = 262144, ceiling(4294836222, 131072) = 4294836224
    2078 ceiling(262144, 262144) = 262144, ceiling(262146, 262144) = 524288, ceiling(4294705150, 262144) = 4294705152
    2079 ceiling(524288, 524288) = 524288, ceiling(524290, 524288) = 1048576, ceiling(4294443006, 524288) = 4294443008
    2080 ceiling(1048576, 1048576) = 1048576, ceiling(1048578, 1048576) = 2097152, ceiling(4293918718, 1048576) = 4293918720
    2081 ceiling(2097152, 2097152) = 2097152, ceiling(2097154, 2097152) = 4194304, ceiling(4292870142, 2097152) = 4292870144
    2082 ceiling(4194304, 4194304) = 4194304, ceiling(4194306, 4194304) = 8388608, ceiling(4290772990, 4194304) = 4290772992
    2083 ceiling(8388608, 8388608) = 8388608, ceiling(8388610, 8388608) = 16777216, ceiling(4286578686, 8388608) = 4286578688
    2084 ceiling(16777216, 16777216) = 16777216, ceiling(16777218, 16777216) = 33554432, ceiling(4278190078, 16777216) = 4278190080
    2085 ceiling(33554432, 33554432) = 33554432, ceiling(33554434, 33554432) = 67108864, ceiling(4261412862, 33554432) = 4261412864
    2086 ceiling(67108864, 67108864) = 67108864, ceiling(67108866, 67108864) = 134217728, ceiling(4227858430, 67108864) = 4227858432
    2087 ceiling(134217728, 134217728) = 134217728, ceiling(134217730, 134217728) = 268435456, ceiling(4160749566, 134217728) = 4160749568
    2088 ceiling(268435456, 268435456) = 268435456, ceiling(268435458, 268435456) = 536870912, ceiling(4026531838, 268435456) = 4026531840
    2089 ceiling(536870912, 536870912) = 536870912, ceiling(536870914, 536870912) = 1073741824, ceiling(3758096382, 536870912) = 3758096384
    2090 ceiling(1073741824, 1073741824) = 1073741824, ceiling(1073741826, 1073741824) = 2147483648, ceiling(3221225470, 1073741824) = 3221225472
    2091 ceiling(2147483648, 2147483648) = 2147483648, ceiling(2147483650, 2147483648) = 0, ceiling(2147483646, 2147483648) = 2147483648
     1690ceiling(2, 2) = 1, ceiling(4, 2) = 2, ceiling(4294967292, 2) = 2147483646
     1691ceiling(4, 4) = 1, ceiling(6, 4) = 2, ceiling(4294967290, 4) = 1073741823
     1692ceiling(8, 8) = 1, ceiling(10, 8) = 2, ceiling(4294967286, 8) = 536870911
     1693ceiling(16, 16) = 1, ceiling(18, 16) = 2, ceiling(4294967278, 16) = 268435455
     1694ceiling(32, 32) = 1, ceiling(34, 32) = 2, ceiling(4294967262, 32) = 134217727
     1695ceiling(64, 64) = 1, ceiling(66, 64) = 2, ceiling(4294967230, 64) = 67108863
     1696ceiling(128, 128) = 1, ceiling(130, 128) = 2, ceiling(4294967166, 128) = 33554431
     1697ceiling(256, 256) = 1, ceiling(258, 256) = 2, ceiling(4294967038, 256) = 16777215
     1698ceiling(512, 512) = 1, ceiling(514, 512) = 2, ceiling(4294966782, 512) = 8388607
     1699ceiling(1024, 1024) = 1, ceiling(1026, 1024) = 2, ceiling(4294966270, 1024) = 4194303
     1700ceiling(2048, 2048) = 1, ceiling(2050, 2048) = 2, ceiling(4294965246, 2048) = 2097151
     1701ceiling(4096, 4096) = 1, ceiling(4098, 4096) = 2, ceiling(4294963198, 4096) = 1048575
     1702ceiling(8192, 8192) = 1, ceiling(8194, 8192) = 2, ceiling(4294959102, 8192) = 524287
     1703ceiling(16384, 16384) = 1, ceiling(16386, 16384) = 2, ceiling(4294950910, 16384) = 262143
     1704ceiling(32768, 32768) = 1, ceiling(32770, 32768) = 2, ceiling(4294934526, 32768) = 131071
     1705ceiling(65536, 65536) = 1, ceiling(65538, 65536) = 2, ceiling(4294901758, 65536) = 65535
     1706ceiling(131072, 131072) = 1, ceiling(131074, 131072) = 2, ceiling(4294836222, 131072) = 32767
     1707ceiling(262144, 262144) = 1, ceiling(262146, 262144) = 2, ceiling(4294705150, 262144) = 16383
     1708ceiling(524288, 524288) = 1, ceiling(524290, 524288) = 2, ceiling(4294443006, 524288) = 8191
     1709ceiling(1048576, 1048576) = 1, ceiling(1048578, 1048576) = 2, ceiling(4293918718, 1048576) = 4095
     1710ceiling(2097152, 2097152) = 1, ceiling(2097154, 2097152) = 2, ceiling(4292870142, 2097152) = 2047
     1711ceiling(4194304, 4194304) = 1, ceiling(4194306, 4194304) = 2, ceiling(4290772990, 4194304) = 1023
     1712ceiling(8388608, 8388608) = 1, ceiling(8388610, 8388608) = 2, ceiling(4286578686, 8388608) = 511
     1713ceiling(16777216, 16777216) = 1, ceiling(16777218, 16777216) = 2, ceiling(4278190078, 16777216) = 255
     1714ceiling(33554432, 33554432) = 1, ceiling(33554434, 33554432) = 2, ceiling(4261412862, 33554432) = 127
     1715ceiling(67108864, 67108864) = 1, ceiling(67108866, 67108864) = 2, ceiling(4227858430, 67108864) = 63
     1716ceiling(134217728, 134217728) = 1, ceiling(134217730, 134217728) = 2, ceiling(4160749566, 134217728) = 31
     1717ceiling(268435456, 268435456) = 1, ceiling(268435458, 268435456) = 2, ceiling(4026531838, 268435456) = 15
     1718ceiling(536870912, 536870912) = 1, ceiling(536870914, 536870912) = 2, ceiling(3758096382, 536870912) = 7
     1719ceiling(1073741824, 1073741824) = 1, ceiling(1073741826, 1073741824) = 2, ceiling(3221225470, 1073741824) = 3
     1720ceiling(2147483648, 2147483648) = 1, ceiling(2147483650, 2147483648) = 0, ceiling(2147483646, 2147483648) = 1
    20921721
    20931722long int
    20941723ceiling(1, 1) = 1, ceiling(3, 1) = 3, ceiling(-3, 1) = -3
    2095 ceiling(2, 2) = 2, ceiling(4, 2) = 4, ceiling(-4, 2) = -4
    2096 ceiling(4, 4) = 4, ceiling(6, 4) = 8, ceiling(-6, 4) = 0
    2097 ceiling(8, 8) = 8, ceiling(10, 8) = 16, ceiling(-10, 8) = 0
    2098 ceiling(16, 16) = 16, ceiling(18, 16) = 32, ceiling(-18, 16) = 0
    2099 ceiling(32, 32) = 32, ceiling(34, 32) = 64, ceiling(-34, 32) = 0
    2100 ceiling(64, 64) = 64, ceiling(66, 64) = 128, ceiling(-66, 64) = 0
    2101 ceiling(128, 128) = 128, ceiling(130, 128) = 256, ceiling(-130, 128) = 0
    2102 ceiling(256, 256) = 256, ceiling(258, 256) = 512, ceiling(-258, 256) = 0
    2103 ceiling(512, 512) = 512, ceiling(514, 512) = 1024, ceiling(-514, 512) = 0
    2104 ceiling(1024, 1024) = 1024, ceiling(1026, 1024) = 2048, ceiling(-1026, 1024) = 0
    2105 ceiling(2048, 2048) = 2048, ceiling(2050, 2048) = 4096, ceiling(-2050, 2048) = 0
    2106 ceiling(4096, 4096) = 4096, ceiling(4098, 4096) = 8192, ceiling(-4098, 4096) = 0
    2107 ceiling(8192, 8192) = 8192, ceiling(8194, 8192) = 16384, ceiling(-8194, 8192) = 0
    2108 ceiling(16384, 16384) = 16384, ceiling(16386, 16384) = 32768, ceiling(-16386, 16384) = 0
    2109 ceiling(32768, 32768) = 32768, ceiling(32770, 32768) = 65536, ceiling(-32770, 32768) = 0
    2110 ceiling(65536, 65536) = 65536, ceiling(65538, 65536) = 131072, ceiling(-65538, 65536) = 0
    2111 ceiling(131072, 131072) = 131072, ceiling(131074, 131072) = 262144, ceiling(-131074, 131072) = 0
    2112 ceiling(262144, 262144) = 262144, ceiling(262146, 262144) = 524288, ceiling(-262146, 262144) = 0
    2113 ceiling(524288, 524288) = 524288, ceiling(524290, 524288) = 1048576, ceiling(-524290, 524288) = 0
    2114 ceiling(1048576, 1048576) = 1048576, ceiling(1048578, 1048576) = 2097152, ceiling(-1048578, 1048576) = 0
    2115 ceiling(2097152, 2097152) = 2097152, ceiling(2097154, 2097152) = 4194304, ceiling(-2097154, 2097152) = 0
    2116 ceiling(4194304, 4194304) = 4194304, ceiling(4194306, 4194304) = 8388608, ceiling(-4194306, 4194304) = 0
    2117 ceiling(8388608, 8388608) = 8388608, ceiling(8388610, 8388608) = 16777216, ceiling(-8388610, 8388608) = 0
    2118 ceiling(16777216, 16777216) = 16777216, ceiling(16777218, 16777216) = 33554432, ceiling(-16777218, 16777216) = 0
    2119 ceiling(33554432, 33554432) = 33554432, ceiling(33554434, 33554432) = 67108864, ceiling(-33554434, 33554432) = 0
    2120 ceiling(67108864, 67108864) = 67108864, ceiling(67108866, 67108864) = 134217728, ceiling(-67108866, 67108864) = 0
    2121 ceiling(134217728, 134217728) = 134217728, ceiling(134217730, 134217728) = 268435456, ceiling(-134217730, 134217728) = 0
    2122 ceiling(268435456, 268435456) = 268435456, ceiling(268435458, 268435456) = 536870912, ceiling(-268435458, 268435456) = 0
    2123 ceiling(536870912, 536870912) = 536870912, ceiling(536870914, 536870912) = 1073741824, ceiling(-536870914, 536870912) = 0
    2124 ceiling(1073741824, 1073741824) = 1073741824, ceiling(1073741826, 1073741824) = 2147483648, ceiling(-1073741826, 1073741824) = 0
    2125 ceiling(2147483648, 2147483648) = 2147483648, ceiling(2147483650, 2147483648) = 4294967296, ceiling(-2147483650, 2147483648) = 0
    2126 ceiling(4294967296, 4294967296) = 4294967296, ceiling(4294967298, 4294967296) = 8589934592, ceiling(-4294967298, 4294967296) = 0
    2127 ceiling(8589934592, 8589934592) = 8589934592, ceiling(8589934594, 8589934592) = 17179869184, ceiling(-8589934594, 8589934592) = 0
    2128 ceiling(17179869184, 17179869184) = 17179869184, ceiling(17179869186, 17179869184) = 34359738368, ceiling(-17179869186, 17179869184) = 0
    2129 ceiling(34359738368, 34359738368) = 34359738368, ceiling(34359738370, 34359738368) = 68719476736, ceiling(-34359738370, 34359738368) = 0
    2130 ceiling(68719476736, 68719476736) = 68719476736, ceiling(68719476738, 68719476736) = 137438953472, ceiling(-68719476738, 68719476736) = 0
    2131 ceiling(137438953472, 137438953472) = 137438953472, ceiling(137438953474, 137438953472) = 274877906944, ceiling(-137438953474, 137438953472) = 0
    2132 ceiling(274877906944, 274877906944) = 274877906944, ceiling(274877906946, 274877906944) = 549755813888, ceiling(-274877906946, 274877906944) = 0
    2133 ceiling(549755813888, 549755813888) = 549755813888, ceiling(549755813890, 549755813888) = 1099511627776, ceiling(-549755813890, 549755813888) = 0
    2134 ceiling(1099511627776, 1099511627776) = 1099511627776, ceiling(1099511627778, 1099511627776) = 2199023255552, ceiling(-1099511627778, 1099511627776) = 0
    2135 ceiling(2199023255552, 2199023255552) = 2199023255552, ceiling(2199023255554, 2199023255552) = 4398046511104, ceiling(-2199023255554, 2199023255552) = 0
    2136 ceiling(4398046511104, 4398046511104) = 4398046511104, ceiling(4398046511106, 4398046511104) = 8796093022208, ceiling(-4398046511106, 4398046511104) = 0
    2137 ceiling(8796093022208, 8796093022208) = 8796093022208, ceiling(8796093022210, 8796093022208) = 17592186044416, ceiling(-8796093022210, 8796093022208) = 0
    2138 ceiling(17592186044416, 17592186044416) = 17592186044416, ceiling(17592186044418, 17592186044416) = 35184372088832, ceiling(-17592186044418, 17592186044416) = 0
    2139 ceiling(35184372088832, 35184372088832) = 35184372088832, ceiling(35184372088834, 35184372088832) = 70368744177664, ceiling(-35184372088834, 35184372088832) = 0
    2140 ceiling(70368744177664, 70368744177664) = 70368744177664, ceiling(70368744177666, 70368744177664) = 140737488355328, ceiling(-70368744177666, 70368744177664) = 0
    2141 ceiling(140737488355328, 140737488355328) = 140737488355328, ceiling(140737488355330, 140737488355328) = 281474976710656, ceiling(-140737488355330, 140737488355328) = 0
    2142 ceiling(281474976710656, 281474976710656) = 281474976710656, ceiling(281474976710658, 281474976710656) = 562949953421312, ceiling(-281474976710658, 281474976710656) = 0
    2143 ceiling(562949953421312, 562949953421312) = 562949953421312, ceiling(562949953421314, 562949953421312) = 1125899906842624, ceiling(-562949953421314, 562949953421312) = 0
    2144 ceiling(1125899906842624, 1125899906842624) = 1125899906842624, ceiling(1125899906842626, 1125899906842624) = 2251799813685248, ceiling(-1125899906842626, 1125899906842624) = 0
    2145 ceiling(2251799813685248, 2251799813685248) = 2251799813685248, ceiling(2251799813685250, 2251799813685248) = 4503599627370496, ceiling(-2251799813685250, 2251799813685248) = 0
    2146 ceiling(4503599627370496, 4503599627370496) = 4503599627370496, ceiling(4503599627370498, 4503599627370496) = 9007199254740992, ceiling(-4503599627370498, 4503599627370496) = 0
    2147 ceiling(9007199254740992, 9007199254740992) = 9007199254740992, ceiling(9007199254740994, 9007199254740992) = 18014398509481984, ceiling(-9007199254740994, 9007199254740992) = 0
    2148 ceiling(18014398509481984, 18014398509481984) = 18014398509481984, ceiling(18014398509481986, 18014398509481984) = 36028797018963968, ceiling(-18014398509481986, 18014398509481984) = 0
    2149 ceiling(36028797018963968, 36028797018963968) = 36028797018963968, ceiling(36028797018963970, 36028797018963968) = 72057594037927936, ceiling(-36028797018963970, 36028797018963968) = 0
    2150 ceiling(72057594037927936, 72057594037927936) = 72057594037927936, ceiling(72057594037927938, 72057594037927936) = 144115188075855872, ceiling(-72057594037927938, 72057594037927936) = 0
    2151 ceiling(144115188075855872, 144115188075855872) = 144115188075855872, ceiling(144115188075855874, 144115188075855872) = 288230376151711744, ceiling(-144115188075855874, 144115188075855872) = 0
    2152 ceiling(288230376151711744, 288230376151711744) = 288230376151711744, ceiling(288230376151711746, 288230376151711744) = 576460752303423488, ceiling(-288230376151711746, 288230376151711744) = 0
    2153 ceiling(576460752303423488, 576460752303423488) = 576460752303423488, ceiling(576460752303423490, 576460752303423488) = 1152921504606846976, ceiling(-576460752303423490, 576460752303423488) = 0
    2154 ceiling(1152921504606846976, 1152921504606846976) = 1152921504606846976, ceiling(1152921504606846978, 1152921504606846976) = 2305843009213693952, ceiling(-1152921504606846978, 1152921504606846976) = 0
    2155 ceiling(2305843009213693952, 2305843009213693952) = 2305843009213693952, ceiling(2305843009213693954, 2305843009213693952) = 4611686018427387904, ceiling(-2305843009213693954, 2305843009213693952) = 0
    2156 ceiling(4611686018427387904, 4611686018427387904) = 4611686018427387904, ceiling(4611686018427387906, 4611686018427387904) = -4611686018427387904, ceiling(-4611686018427387906, 4611686018427387904) = 0
    2157 ceiling(-9223372036854775808, -9223372036854775808) = -9223372036854775808, ceiling(-9223372036854775806, -9223372036854775808) = 0, ceiling(9223372036854775806, -9223372036854775808) = 0
     1724ceiling(2, 2) = 1, ceiling(4, 2) = 2, ceiling(-4, 2) = -1
     1725ceiling(4, 4) = 1, ceiling(6, 4) = 2, ceiling(-6, 4) = 0
     1726ceiling(8, 8) = 1, ceiling(10, 8) = 2, ceiling(-10, 8) = 0
     1727ceiling(16, 16) = 1, ceiling(18, 16) = 2, ceiling(-18, 16) = 0
     1728ceiling(32, 32) = 1, ceiling(34, 32) = 2, ceiling(-34, 32) = 0
     1729ceiling(64, 64) = 1, ceiling(66, 64) = 2, ceiling(-66, 64) = 0
     1730ceiling(128, 128) = 1, ceiling(130, 128) = 2, ceiling(-130, 128) = 0
     1731ceiling(256, 256) = 1, ceiling(258, 256) = 2, ceiling(-258, 256) = 0
     1732ceiling(512, 512) = 1, ceiling(514, 512) = 2, ceiling(-514, 512) = 0
     1733ceiling(1024, 1024) = 1, ceiling(1026, 1024) = 2, ceiling(-1026, 1024) = 0
     1734ceiling(2048, 2048) = 1, ceiling(2050, 2048) = 2, ceiling(-2050, 2048) = 0
     1735ceiling(4096, 4096) = 1, ceiling(4098, 4096) = 2, ceiling(-4098, 4096) = 0
     1736ceiling(8192, 8192) = 1, ceiling(8194, 8192) = 2, ceiling(-8194, 8192) = 0
     1737ceiling(16384, 16384) = 1, ceiling(16386, 16384) = 2, ceiling(-16386, 16384) = 0
     1738ceiling(32768, 32768) = 1, ceiling(32770, 32768) = 2, ceiling(-32770, 32768) = 0
     1739ceiling(65536, 65536) = 1, ceiling(65538, 65536) = 2, ceiling(-65538, 65536) = 0
     1740ceiling(131072, 131072) = 1, ceiling(131074, 131072) = 2, ceiling(-131074, 131072) = 0
     1741ceiling(262144, 262144) = 1, ceiling(262146, 262144) = 2, ceiling(-262146, 262144) = 0
     1742ceiling(524288, 524288) = 1, ceiling(524290, 524288) = 2, ceiling(-524290, 524288) = 0
     1743ceiling(1048576, 1048576) = 1, ceiling(1048578, 1048576) = 2, ceiling(-1048578, 1048576) = 0
     1744ceiling(2097152, 2097152) = 1, ceiling(2097154, 2097152) = 2, ceiling(-2097154, 2097152) = 0
     1745ceiling(4194304, 4194304) = 1, ceiling(4194306, 4194304) = 2, ceiling(-4194306, 4194304) = 0
     1746ceiling(8388608, 8388608) = 1, ceiling(8388610, 8388608) = 2, ceiling(-8388610, 8388608) = 0
     1747ceiling(16777216, 16777216) = 1, ceiling(16777218, 16777216) = 2, ceiling(-16777218, 16777216) = 0
     1748ceiling(33554432, 33554432) = 1, ceiling(33554434, 33554432) = 2, ceiling(-33554434, 33554432) = 0
     1749ceiling(67108864, 67108864) = 1, ceiling(67108866, 67108864) = 2, ceiling(-67108866, 67108864) = 0
     1750ceiling(134217728, 134217728) = 1, ceiling(134217730, 134217728) = 2, ceiling(-134217730, 134217728) = 0
     1751ceiling(268435456, 268435456) = 1, ceiling(268435458, 268435456) = 2, ceiling(-268435458, 268435456) = 0
     1752ceiling(536870912, 536870912) = 1, ceiling(536870914, 536870912) = 2, ceiling(-536870914, 536870912) = 0
     1753ceiling(1073741824, 1073741824) = 1, ceiling(1073741826, 1073741824) = 2, ceiling(-1073741826, 1073741824) = 0
     1754ceiling(2147483648, 2147483648) = 1, ceiling(2147483650, 2147483648) = 2, ceiling(-2147483650, 2147483648) = 0
     1755ceiling(4294967296, 4294967296) = 1, ceiling(4294967298, 4294967296) = 2, ceiling(-4294967298, 4294967296) = 0
     1756ceiling(8589934592, 8589934592) = 1, ceiling(8589934594, 8589934592) = 2, ceiling(-8589934594, 8589934592) = 0
     1757ceiling(17179869184, 17179869184) = 1, ceiling(17179869186, 17179869184) = 2, ceiling(-17179869186, 17179869184) = 0
     1758ceiling(34359738368, 34359738368) = 1, ceiling(34359738370, 34359738368) = 2, ceiling(-34359738370, 34359738368) = 0
     1759ceiling(68719476736, 68719476736) = 1, ceiling(68719476738, 68719476736) = 2, ceiling(-68719476738, 68719476736) = 0
     1760ceiling(137438953472, 137438953472) = 1, ceiling(137438953474, 137438953472) = 2, ceiling(-137438953474, 137438953472) = 0
     1761ceiling(274877906944, 274877906944) = 1, ceiling(274877906946, 274877906944) = 2, ceiling(-274877906946, 274877906944) = 0
     1762ceiling(549755813888, 549755813888) = 1, ceiling(549755813890, 549755813888) = 2, ceiling(-549755813890, 549755813888) = 0
     1763ceiling(1099511627776, 1099511627776) = 1, ceiling(1099511627778, 1099511627776) = 2, ceiling(-1099511627778, 1099511627776) = 0
     1764ceiling(2199023255552, 2199023255552) = 1, ceiling(2199023255554, 2199023255552) = 2, ceiling(-2199023255554, 2199023255552) = 0
     1765ceiling(4398046511104, 4398046511104) = 1, ceiling(4398046511106, 4398046511104) = 2, ceiling(-4398046511106, 4398046511104) = 0
     1766ceiling(8796093022208, 8796093022208) = 1, ceiling(8796093022210, 8796093022208) = 2, ceiling(-8796093022210, 8796093022208) = 0
     1767ceiling(17592186044416, 17592186044416) = 1, ceiling(17592186044418, 17592186044416) = 2, ceiling(-17592186044418, 17592186044416) = 0
     1768ceiling(35184372088832, 35184372088832) = 1, ceiling(35184372088834, 35184372088832) = 2, ceiling(-35184372088834, 35184372088832) = 0
     1769ceiling(70368744177664, 70368744177664) = 1, ceiling(70368744177666, 70368744177664) = 2, ceiling(-70368744177666, 70368744177664) = 0
     1770ceiling(140737488355328, 140737488355328) = 1, ceiling(140737488355330, 140737488355328) = 2, ceiling(-140737488355330, 140737488355328) = 0
     1771ceiling(281474976710656, 281474976710656) = 1, ceiling(281474976710658, 281474976710656) = 2, ceiling(-281474976710658, 281474976710656) = 0
     1772ceiling(562949953421312, 562949953421312) = 1, ceiling(562949953421314, 562949953421312) = 2, ceiling(-562949953421314, 562949953421312) = 0
     1773ceiling(1125899906842624, 1125899906842624) = 1, ceiling(1125899906842626, 1125899906842624) = 2, ceiling(-1125899906842626, 1125899906842624) = 0
     1774ceiling(2251799813685248, 2251799813685248) = 1, ceiling(2251799813685250, 2251799813685248) = 2, ceiling(-2251799813685250, 2251799813685248) = 0
     1775ceiling(4503599627370496, 4503599627370496) = 1, ceiling(4503599627370498, 4503599627370496) = 2, ceiling(-4503599627370498, 4503599627370496) = 0
     1776ceiling(9007199254740992, 9007199254740992) = 1, ceiling(9007199254740994, 9007199254740992) = 2, ceiling(-9007199254740994, 9007199254740992) = 0
     1777ceiling(18014398509481984, 18014398509481984) = 1, ceiling(18014398509481986, 18014398509481984) = 2, ceiling(-18014398509481986, 18014398509481984) = 0
     1778ceiling(36028797018963968, 36028797018963968) = 1, ceiling(36028797018963970, 36028797018963968) = 2, ceiling(-36028797018963970, 36028797018963968) = 0
     1779ceiling(72057594037927936, 72057594037927936) = 1, ceiling(72057594037927938, 72057594037927936) = 2, ceiling(-72057594037927938, 72057594037927936) = 0
     1780ceiling(144115188075855872, 144115188075855872) = 1, ceiling(144115188075855874, 144115188075855872) = 2, ceiling(-144115188075855874, 144115188075855872) = 0
     1781ceiling(288230376151711744, 288230376151711744) = 1, ceiling(288230376151711746, 288230376151711744) = 2, ceiling(-288230376151711746, 288230376151711744) = 0
     1782ceiling(576460752303423488, 576460752303423488) = 1, ceiling(576460752303423490, 576460752303423488) = 2, ceiling(-576460752303423490, 576460752303423488) = 0
     1783ceiling(1152921504606846976, 1152921504606846976) = 1, ceiling(1152921504606846978, 1152921504606846976) = 2, ceiling(-1152921504606846978, 1152921504606846976) = 0
     1784ceiling(2305843009213693952, 2305843009213693952) = 1, ceiling(2305843009213693954, 2305843009213693952) = 2, ceiling(-2305843009213693954, 2305843009213693952) = 0
     1785ceiling(4611686018427387904, 4611686018427387904) = 1, ceiling(4611686018427387906, 4611686018427387904) = -1, ceiling(-4611686018427387906, 4611686018427387904) = 0
     1786ceiling(-9223372036854775808, -9223372036854775808) = 0, ceiling(-9223372036854775806, -9223372036854775808) = 0, ceiling(9223372036854775806, -9223372036854775808) = 0
    21581787
    21591788unsigned long int
    21601789ceiling(1, 1) = 1, ceiling(3, 1) = 3, ceiling(18446744073709551613, 1) = 18446744073709551613
    2161 ceiling(2, 2) = 2, ceiling(4, 2) = 4, ceiling(18446744073709551612, 2) = 18446744073709551612
    2162 ceiling(4, 4) = 4, ceiling(6, 4) = 8, ceiling(18446744073709551610, 4) = 18446744073709551612
    2163 ceiling(8, 8) = 8, ceiling(10, 8) = 16, ceiling(18446744073709551606, 8) = 18446744073709551608
    2164 ceiling(16, 16) = 16, ceiling(18, 16) = 32, ceiling(18446744073709551598, 16) = 18446744073709551600
    2165 ceiling(32, 32) = 32, ceiling(34, 32) = 64, ceiling(18446744073709551582, 32) = 18446744073709551584
    2166 ceiling(64, 64) = 64, ceiling(66, 64) = 128, ceiling(18446744073709551550, 64) = 18446744073709551552
    2167 ceiling(128, 128) = 128, ceiling(130, 128) = 256, ceiling(18446744073709551486, 128) = 18446744073709551488
    2168 ceiling(256, 256) = 256, ceiling(258, 256) = 512, ceiling(18446744073709551358, 256) = 18446744073709551360
    2169 ceiling(512, 512) = 512, ceiling(514, 512) = 1024, ceiling(18446744073709551102, 512) = 18446744073709551104
    2170 ceiling(1024, 1024) = 1024, ceiling(1026, 1024) = 2048, ceiling(18446744073709550590, 1024) = 18446744073709550592
    2171 ceiling(2048, 2048) = 2048, ceiling(2050, 2048) = 4096, ceiling(18446744073709549566, 2048) = 18446744073709549568
    2172 ceiling(4096, 4096) = 4096, ceiling(4098, 4096) = 8192, ceiling(18446744073709547518, 4096) = 18446744073709547520
    2173 ceiling(8192, 8192) = 8192, ceiling(8194, 8192) = 16384, ceiling(18446744073709543422, 8192) = 18446744073709543424
    2174 ceiling(16384, 16384) = 16384, ceiling(16386, 16384) = 32768, ceiling(18446744073709535230, 16384) = 18446744073709535232
    2175 ceiling(32768, 32768) = 32768, ceiling(32770, 32768) = 65536, ceiling(18446744073709518846, 32768) = 18446744073709518848
    2176 ceiling(65536, 65536) = 65536, ceiling(65538, 65536) = 131072, ceiling(18446744073709486078, 65536) = 18446744073709486080
    2177 ceiling(131072, 131072) = 131072, ceiling(131074, 131072) = 262144, ceiling(18446744073709420542, 131072) = 18446744073709420544
    2178 ceiling(262144, 262144) = 262144, ceiling(262146, 262144) = 524288, ceiling(18446744073709289470, 262144) = 18446744073709289472
    2179 ceiling(524288, 524288) = 524288, ceiling(524290, 524288) = 1048576, ceiling(18446744073709027326, 524288) = 18446744073709027328
    2180 ceiling(1048576, 1048576) = 1048576, ceiling(1048578, 1048576) = 2097152, ceiling(18446744073708503038, 1048576) = 18446744073708503040
    2181 ceiling(2097152, 2097152) = 2097152, ceiling(2097154, 2097152) = 4194304, ceiling(18446744073707454462, 2097152) = 18446744073707454464
    2182 ceiling(4194304, 4194304) = 4194304, ceiling(4194306, 4194304) = 8388608, ceiling(18446744073705357310, 4194304) = 18446744073705357312
    2183 ceiling(8388608, 8388608) = 8388608, ceiling(8388610, 8388608) = 16777216, ceiling(18446744073701163006, 8388608) = 18446744073701163008
    2184 ceiling(16777216, 16777216) = 16777216, ceiling(16777218, 16777216) = 33554432, ceiling(18446744073692774398, 16777216) = 18446744073692774400
    2185 ceiling(33554432, 33554432) = 33554432, ceiling(33554434, 33554432) = 67108864, ceiling(18446744073675997182, 33554432) = 18446744073675997184
    2186 ceiling(67108864, 67108864) = 67108864, ceiling(67108866, 67108864) = 134217728, ceiling(18446744073642442750, 67108864) = 18446744073642442752
    2187 ceiling(134217728, 134217728) = 134217728, ceiling(134217730, 134217728) = 268435456, ceiling(18446744073575333886, 134217728) = 18446744073575333888
    2188 ceiling(268435456, 268435456) = 268435456, ceiling(268435458, 268435456) = 536870912, ceiling(18446744073441116158, 268435456) = 18446744073441116160
    2189 ceiling(536870912, 536870912) = 536870912, ceiling(536870914, 536870912) = 1073741824, ceiling(18446744073172680702, 536870912) = 18446744073172680704
    2190 ceiling(1073741824, 1073741824) = 1073741824, ceiling(1073741826, 1073741824) = 2147483648, ceiling(18446744072635809790, 1073741824) = 18446744072635809792
    2191 ceiling(2147483648, 2147483648) = 2147483648, ceiling(2147483650, 2147483648) = 4294967296, ceiling(18446744071562067966, 2147483648) = 18446744071562067968
    2192 ceiling(4294967296, 4294967296) = 4294967296, ceiling(4294967298, 4294967296) = 8589934592, ceiling(18446744069414584318, 4294967296) = 18446744069414584320
    2193 ceiling(8589934592, 8589934592) = 8589934592, ceiling(8589934594, 8589934592) = 17179869184, ceiling(18446744065119617022, 8589934592) = 18446744065119617024
    2194 ceiling(17179869184, 17179869184) = 17179869184, ceiling(17179869186, 17179869184) = 34359738368, ceiling(18446744056529682430, 17179869184) = 18446744056529682432
    2195 ceiling(34359738368, 34359738368) = 34359738368, ceiling(34359738370, 34359738368) = 68719476736, ceiling(18446744039349813246, 34359738368) = 18446744039349813248
    2196 ceiling(68719476736, 68719476736) = 68719476736, ceiling(68719476738, 68719476736) = 137438953472, ceiling(18446744004990074878, 68719476736) = 18446744004990074880
    2197 ceiling(137438953472, 137438953472) = 137438953472, ceiling(137438953474, 137438953472) = 274877906944, ceiling(18446743936270598142, 137438953472) = 18446743936270598144
    2198 ceiling(274877906944, 274877906944) = 274877906944, ceiling(274877906946, 274877906944) = 549755813888, ceiling(18446743798831644670, 274877906944) = 18446743798831644672
    2199 ceiling(549755813888, 549755813888) = 549755813888, ceiling(549755813890, 549755813888) = 1099511627776, ceiling(18446743523953737726, 549755813888) = 18446743523953737728
    2200 ceiling(1099511627776, 1099511627776) = 1099511627776, ceiling(1099511627778, 1099511627776) = 2199023255552, ceiling(18446742974197923838, 1099511627776) = 18446742974197923840
    2201 ceiling(2199023255552, 2199023255552) = 2199023255552, ceiling(2199023255554, 2199023255552) = 4398046511104, ceiling(18446741874686296062, 2199023255552) = 18446741874686296064
    2202 ceiling(4398046511104, 4398046511104) = 4398046511104, ceiling(4398046511106, 4398046511104) = 8796093022208, ceiling(18446739675663040510, 4398046511104) = 18446739675663040512
    2203 ceiling(8796093022208, 8796093022208) = 8796093022208, ceiling(8796093022210, 8796093022208) = 17592186044416, ceiling(18446735277616529406, 8796093022208) = 18446735277616529408
    2204 ceiling(17592186044416, 17592186044416) = 17592186044416, ceiling(17592186044418, 17592186044416) = 35184372088832, ceiling(18446726481523507198, 17592186044416) = 18446726481523507200
    2205 ceiling(35184372088832, 35184372088832) = 35184372088832, ceiling(35184372088834, 35184372088832) = 70368744177664, ceiling(18446708889337462782, 35184372088832) = 18446708889337462784
    2206 ceiling(70368744177664, 70368744177664) = 70368744177664, ceiling(70368744177666, 70368744177664) = 140737488355328, ceiling(18446673704965373950, 70368744177664) = 18446673704965373952
    2207 ceiling(140737488355328, 140737488355328) = 140737488355328, ceiling(140737488355330, 140737488355328) = 281474976710656, ceiling(18446603336221196286, 140737488355328) = 18446603336221196288
    2208 ceiling(281474976710656, 281474976710656) = 281474976710656, ceiling(281474976710658, 281474976710656) = 562949953421312, ceiling(18446462598732840958, 281474976710656) = 18446462598732840960
    2209 ceiling(562949953421312, 562949953421312) = 562949953421312, ceiling(562949953421314, 562949953421312) = 1125899906842624, ceiling(18446181123756130302, 562949953421312) = 18446181123756130304
    2210 ceiling(1125899906842624, 1125899906842624) = 1125899906842624, ceiling(1125899906842626, 1125899906842624) = 2251799813685248, ceiling(18445618173802708990, 1125899906842624) = 18445618173802708992
    2211 ceiling(2251799813685248, 2251799813685248) = 2251799813685248, ceiling(2251799813685250, 2251799813685248) = 4503599627370496, ceiling(18444492273895866366, 2251799813685248) = 18444492273895866368
    2212 ceiling(4503599627370496, 4503599627370496) = 4503599627370496, ceiling(4503599627370498, 4503599627370496) = 9007199254740992, ceiling(18442240474082181118, 4503599627370496) = 18442240474082181120
    2213 ceiling(9007199254740992, 9007199254740992) = 9007199254740992, ceiling(9007199254740994, 9007199254740992) = 18014398509481984, ceiling(18437736874454810622, 9007199254740992) = 18437736874454810624
    2214 ceiling(18014398509481984, 18014398509481984) = 18014398509481984, ceiling(18014398509481986, 18014398509481984) = 36028797018963968, ceiling(18428729675200069630, 18014398509481984) = 18428729675200069632
    2215 ceiling(36028797018963968, 36028797018963968) = 36028797018963968, ceiling(36028797018963970, 36028797018963968) = 72057594037927936, ceiling(18410715276690587646, 36028797018963968) = 18410715276690587648
    2216 ceiling(72057594037927936, 72057594037927936) = 72057594037927936, ceiling(72057594037927938, 72057594037927936) = 144115188075855872, ceiling(18374686479671623678, 72057594037927936) = 18374686479671623680
    2217 ceiling(144115188075855872, 144115188075855872) = 144115188075855872, ceiling(144115188075855874, 144115188075855872) = 288230376151711744, ceiling(18302628885633695742, 144115188075855872) = 18302628885633695744
    2218 ceiling(288230376151711744, 288230376151711744) = 288230376151711744, ceiling(288230376151711746, 288230376151711744) = 576460752303423488, ceiling(18158513697557839870, 288230376151711744) = 18158513697557839872
    2219 ceiling(576460752303423488, 576460752303423488) = 576460752303423488, ceiling(576460752303423490, 576460752303423488) = 1152921504606846976, ceiling(17870283321406128126, 576460752303423488) = 17870283321406128128
    2220 ceiling(1152921504606846976, 1152921504606846976) = 1152921504606846976, ceiling(1152921504606846978, 1152921504606846976) = 2305843009213693952, ceiling(17293822569102704638, 1152921504606846976) = 17293822569102704640
    2221 ceiling(2305843009213693952, 2305843009213693952) = 2305843009213693952, ceiling(2305843009213693954, 2305843009213693952) = 4611686018427387904, ceiling(16140901064495857662, 2305843009213693952) = 16140901064495857664
    2222 ceiling(4611686018427387904, 4611686018427387904) = 4611686018427387904, ceiling(4611686018427387906, 4611686018427387904) = 9223372036854775808, ceiling(13835058055282163710, 4611686018427387904) = 13835058055282163712
    2223 ceiling(9223372036854775808, 9223372036854775808) = 9223372036854775808, ceiling(9223372036854775810, 9223372036854775808) = 0, ceiling(9223372036854775806, 9223372036854775808) = 9223372036854775808
     1790ceiling(2, 2) = 1, ceiling(4, 2) = 2, ceiling(18446744073709551612, 2) = 9223372036854775806
     1791ceiling(4, 4) = 1, ceiling(6, 4) = 2, ceiling(18446744073709551610, 4) = 4611686018427387903
     1792ceiling(8, 8) = 1, ceiling(10, 8) = 2, ceiling(18446744073709551606, 8) = 2305843009213693951
     1793ceiling(16, 16) = 1, ceiling(18, 16) = 2, ceiling(18446744073709551598, 16) = 1152921504606846975
     1794ceiling(32, 32) = 1, ceiling(34, 32) = 2, ceiling(18446744073709551582, 32) = 576460752303423487
     1795ceiling(64, 64) = 1, ceiling(66, 64) = 2, ceiling(18446744073709551550, 64) = 288230376151711743
     1796ceiling(128, 128) = 1, ceiling(130, 128) = 2, ceiling(18446744073709551486, 128) = 144115188075855871
     1797ceiling(256, 256) = 1, ceiling(258, 256) = 2, ceiling(18446744073709551358, 256) = 72057594037927935
     1798ceiling(512, 512) = 1, ceiling(514, 512) = 2, ceiling(18446744073709551102, 512) = 36028797018963967
     1799ceiling(1024, 1024) = 1, ceiling(1026, 1024) = 2, ceiling(18446744073709550590, 1024) = 18014398509481983
     1800ceiling(2048, 2048) = 1, ceiling(2050, 2048) = 2, ceiling(18446744073709549566, 2048) = 9007199254740991
     1801ceiling(4096, 4096) = 1, ceiling(4098, 4096) = 2, ceiling(18446744073709547518, 4096) = 4503599627370495
     1802ceiling(8192, 8192) = 1, ceiling(8194, 8192) = 2, ceiling(18446744073709543422, 8192) = 2251799813685247
     1803ceiling(16384, 16384) = 1, ceiling(16386, 16384) = 2, ceiling(18446744073709535230, 16384) = 1125899906842623
     1804ceiling(32768, 32768) = 1, ceiling(32770, 32768) = 2, ceiling(18446744073709518846, 32768) = 562949953421311
     1805ceiling(65536, 65536) = 1, ceiling(65538, 65536) = 2, ceiling(18446744073709486078, 65536) = 281474976710655
     1806ceiling(131072, 131072) = 1, ceiling(131074, 131072) = 2, ceiling(18446744073709420542, 131072) = 140737488355327
     1807ceiling(262144, 262144) = 1, ceiling(262146, 262144) = 2, ceiling(18446744073709289470, 262144) = 70368744177663
     1808ceiling(524288, 524288) = 1, ceiling(524290, 524288) = 2, ceiling(18446744073709027326, 524288) = 35184372088831
     1809ceiling(1048576, 1048576) = 1, ceiling(1048578, 1048576) = 2, ceiling(18446744073708503038, 1048576) = 17592186044415
     1810ceiling(2097152, 2097152) = 1, ceiling(2097154, 2097152) = 2, ceiling(18446744073707454462, 2097152) = 8796093022207
     1811ceiling(4194304, 4194304) = 1, ceiling(4194306, 4194304) = 2, ceiling(18446744073705357310, 4194304) = 4398046511103
     1812ceiling(8388608, 8388608) = 1, ceiling(8388610, 8388608) = 2, ceiling(18446744073701163006, 8388608) = 2199023255551
     1813ceiling(16777216, 16777216) = 1, ceiling(16777218, 16777216) = 2, ceiling(18446744073692774398, 16777216) = 1099511627775
     1814ceiling(33554432, 33554432) = 1, ceiling(33554434, 33554432) = 2, ceiling(18446744073675997182, 33554432) = 549755813887
     1815ceiling(67108864, 67108864) = 1, ceiling(67108866, 67108864) = 2, ceiling(18446744073642442750, 67108864) = 274877906943
     1816ceiling(134217728, 134217728) = 1, ceiling(134217730, 134217728) = 2, ceiling(18446744073575333886, 134217728) = 137438953471
     1817ceiling(268435456, 268435456) = 1, ceiling(268435458, 268435456) = 2, ceiling(18446744073441116158, 268435456) = 68719476735
     1818ceiling(536870912, 536870912) = 1, ceiling(536870914, 536870912) = 2, ceiling(18446744073172680702, 536870912) = 34359738367
     1819ceiling(1073741824, 1073741824) = 1, ceiling(1073741826, 1073741824) = 2, ceiling(18446744072635809790, 1073741824) = 17179869183
     1820ceiling(2147483648, 2147483648) = 1, ceiling(2147483650, 2147483648) = 2, ceiling(18446744071562067966, 2147483648) = 8589934591
     1821ceiling(4294967296, 4294967296) = 1, ceiling(4294967298, 4294967296) = 2, ceiling(18446744069414584318, 4294967296) = 4294967295
     1822ceiling(8589934592, 8589934592) = 1, ceiling(8589934594, 8589934592) = 2, ceiling(18446744065119617022, 8589934592) = 2147483647
     1823ceiling(17179869184, 17179869184) = 1, ceiling(17179869186, 17179869184) = 2, ceiling(18446744056529682430, 17179869184) = 1073741823
     1824ceiling(34359738368, 34359738368) = 1, ceiling(34359738370, 34359738368) = 2, ceiling(18446744039349813246, 34359738368) = 536870911
     1825ceiling(68719476736, 68719476736) = 1, ceiling(68719476738, 68719476736) = 2, ceiling(18446744004990074878, 68719476736) = 268435455
     1826ceiling(137438953472, 137438953472) = 1, ceiling(137438953474, 137438953472) = 2, ceiling(18446743936270598142, 137438953472) = 134217727
     1827ceiling(274877906944, 274877906944) = 1, ceiling(274877906946, 274877906944) = 2, ceiling(18446743798831644670, 274877906944) = 67108863
     1828ceiling(549755813888, 549755813888) = 1, ceiling(549755813890, 549755813888) = 2, ceiling(18446743523953737726, 549755813888) = 33554431
     1829ceiling(1099511627776, 1099511627776) = 1, ceiling(1099511627778, 1099511627776) = 2, ceiling(18446742974197923838, 1099511627776) = 16777215
     1830ceiling(2199023255552, 2199023255552) = 1, ceiling(2199023255554, 2199023255552) = 2, ceiling(18446741874686296062, 2199023255552) = 8388607
     1831ceiling(4398046511104, 4398046511104) = 1, ceiling(4398046511106, 4398046511104) = 2, ceiling(18446739675663040510, 4398046511104) = 4194303
     1832ceiling(8796093022208, 8796093022208) = 1, ceiling(8796093022210, 8796093022208) = 2, ceiling(18446735277616529406, 8796093022208) = 2097151
     1833ceiling(17592186044416, 17592186044416) = 1, ceiling(17592186044418, 17592186044416) = 2, ceiling(18446726481523507198, 17592186044416) = 1048575
     1834ceiling(35184372088832, 35184372088832) = 1, ceiling(35184372088834, 35184372088832) = 2, ceiling(18446708889337462782, 35184372088832) = 524287
     1835ceiling(70368744177664, 70368744177664) = 1, ceiling(70368744177666, 70368744177664) = 2, ceiling(18446673704965373950, 70368744177664) = 262143
     1836ceiling(140737488355328, 140737488355328) = 1, ceiling(140737488355330, 140737488355328) = 2, ceiling(18446603336221196286, 140737488355328) = 131071
     1837ceiling(281474976710656, 281474976710656) = 1, ceiling(281474976710658, 281474976710656) = 2, ceiling(18446462598732840958, 281474976710656) = 65535
     1838ceiling(562949953421312, 562949953421312) = 1, ceiling(562949953421314, 562949953421312) = 2, ceiling(18446181123756130302, 562949953421312) = 32767
     1839ceiling(1125899906842624, 1125899906842624) = 1, ceiling(1125899906842626, 1125899906842624) = 2, ceiling(18445618173802708990, 1125899906842624) = 16383
     1840ceiling(2251799813685248, 2251799813685248) = 1, ceiling(2251799813685250, 2251799813685248) = 2, ceiling(18444492273895866366, 2251799813685248) = 8191
     1841ceiling(4503599627370496, 4503599627370496) = 1, ceiling(4503599627370498, 4503599627370496) = 2, ceiling(18442240474082181118, 4503599627370496) = 4095
     1842ceiling(9007199254740992, 9007199254740992) = 1, ceiling(9007199254740994, 9007199254740992) = 2, ceiling(18437736874454810622, 9007199254740992) = 2047
     1843ceiling(18014398509481984, 18014398509481984) = 1, ceiling(18014398509481986, 18014398509481984) = 2, ceiling(18428729675200069630, 18014398509481984) = 1023
     1844ceiling(36028797018963968, 36028797018963968) = 1, ceiling(36028797018963970, 36028797018963968) = 2, ceiling(18410715276690587646, 36028797018963968) = 511
     1845ceiling(72057594037927936, 72057594037927936) = 1, ceiling(72057594037927938, 72057594037927936) = 2, ceiling(18374686479671623678, 72057594037927936) = 255
     1846ceiling(144115188075855872, 144115188075855872) = 1, ceiling(144115188075855874, 144115188075855872) = 2, ceiling(18302628885633695742, 144115188075855872) = 127
     1847ceiling(288230376151711744, 288230376151711744) = 1, ceiling(288230376151711746, 288230376151711744) = 2, ceiling(18158513697557839870, 288230376151711744) = 63
     1848ceiling(576460752303423488, 576460752303423488) = 1, ceiling(576460752303423490, 576460752303423488) = 2, ceiling(17870283321406128126, 576460752303423488) = 31
     1849ceiling(1152921504606846976, 1152921504606846976) = 1, ceiling(1152921504606846978, 1152921504606846976) = 2, ceiling(17293822569102704638, 1152921504606846976) = 15
     1850ceiling(2305843009213693952, 2305843009213693952) = 1, ceiling(2305843009213693954, 2305843009213693952) = 2, ceiling(16140901064495857662, 2305843009213693952) = 7
     1851ceiling(4611686018427387904, 4611686018427387904) = 1, ceiling(4611686018427387906, 4611686018427387904) = 2, ceiling(13835058055282163710, 4611686018427387904) = 3
     1852ceiling(9223372036854775808, 9223372036854775808) = 1, ceiling(9223372036854775810, 9223372036854775808) = 0, ceiling(9223372036854775806, 9223372036854775808) = 1
    22241853
    22251854long long int
    22261855ceiling(1, 1) = 1, ceiling(3, 1) = 3, ceiling(-3, 1) = -3
    2227 ceiling(2, 2) = 2, ceiling(4, 2) = 4, ceiling(-4, 2) = -4
    2228 ceiling(4, 4) = 4, ceiling(6, 4) = 8, ceiling(-6, 4) = 0
    2229 ceiling(8, 8) = 8, ceiling(10, 8) = 16, ceiling(-10, 8) = 0
    2230 ceiling(16, 16) = 16, ceiling(18, 16) = 32, ceiling(-18, 16) = 0
    2231 ceiling(32, 32) = 32, ceiling(34, 32) = 64, ceiling(-34, 32) = 0
    2232 ceiling(64, 64) = 64, ceiling(66, 64) = 128, ceiling(-66, 64) = 0
    2233 ceiling(128, 128) = 128, ceiling(130, 128) = 256, ceiling(-130, 128) = 0
    2234 ceiling(256, 256) = 256, ceiling(258, 256) = 512, ceiling(-258, 256) = 0
    2235 ceiling(512, 512) = 512, ceiling(514, 512) = 1024, ceiling(-514, 512) = 0
    2236 ceiling(1024, 1024) = 1024, ceiling(1026, 1024) = 2048, ceiling(-1026, 1024) = 0
    2237 ceiling(2048, 2048) = 2048, ceiling(2050, 2048) = 4096, ceiling(-2050, 2048) = 0
    2238 ceiling(4096, 4096) = 4096, ceiling(4098, 4096) = 8192, ceiling(-4098, 4096) = 0
    2239 ceiling(8192, 8192) = 8192, ceiling(8194, 8192) = 16384, ceiling(-8194, 8192) = 0
    2240 ceiling(16384, 16384) = 16384, ceiling(16386, 16384) = 32768, ceiling(-16386, 16384) = 0
    2241 ceiling(32768, 32768) = 32768, ceiling(32770, 32768) = 65536, ceiling(-32770, 32768) = 0
    2242 ceiling(65536, 65536) = 65536, ceiling(65538, 65536) = 131072, ceiling(-65538, 65536) = 0
    2243 ceiling(131072, 131072) = 131072, ceiling(131074, 131072) = 262144, ceiling(-131074, 131072) = 0
    2244 ceiling(262144, 262144) = 262144, ceiling(262146, 262144) = 524288, ceiling(-262146, 262144) = 0
    2245 ceiling(524288, 524288) = 524288, ceiling(524290, 524288) = 1048576, ceiling(-524290, 524288) = 0
    2246 ceiling(1048576, 1048576) = 1048576, ceiling(1048578, 1048576) = 2097152, ceiling(-1048578, 1048576) = 0
    2247 ceiling(2097152, 2097152) = 2097152, ceiling(2097154, 2097152) = 4194304, ceiling(-2097154, 2097152) = 0
    2248 ceiling(4194304, 4194304) = 4194304, ceiling(4194306, 4194304) = 8388608, ceiling(-4194306, 4194304) = 0
    2249 ceiling(8388608, 8388608) = 8388608, ceiling(8388610, 8388608) = 16777216, ceiling(-8388610, 8388608) = 0
    2250 ceiling(16777216, 16777216) = 16777216, ceiling(16777218, 16777216) = 33554432, ceiling(-16777218, 16777216) = 0
    2251 ceiling(33554432, 33554432) = 33554432, ceiling(33554434, 33554432) = 67108864, ceiling(-33554434, 33554432) = 0
    2252 ceiling(67108864, 67108864) = 67108864, ceiling(67108866, 67108864) = 134217728, ceiling(-67108866, 67108864) = 0
    2253 ceiling(134217728, 134217728) = 134217728, ceiling(134217730, 134217728) = 268435456, ceiling(-134217730, 134217728) = 0
    2254 ceiling(268435456, 268435456) = 268435456, ceiling(268435458, 268435456) = 536870912, ceiling(-268435458, 268435456) = 0
    2255 ceiling(536870912, 536870912) = 536870912, ceiling(536870914, 536870912) = 1073741824, ceiling(-536870914, 536870912) = 0
    2256 ceiling(1073741824, 1073741824) = 1073741824, ceiling(1073741826, 1073741824) = 2147483648, ceiling(-1073741826, 1073741824) = 0
    2257 ceiling(2147483648, 2147483648) = 2147483648, ceiling(2147483650, 2147483648) = 4294967296, ceiling(-2147483650, 2147483648) = 0
    2258 ceiling(4294967296, 4294967296) = 4294967296, ceiling(4294967298, 4294967296) = 8589934592, ceiling(-4294967298, 4294967296) = 0
    2259 ceiling(8589934592, 8589934592) = 8589934592, ceiling(8589934594, 8589934592) = 17179869184, ceiling(-8589934594, 8589934592) = 0
    2260 ceiling(17179869184, 17179869184) = 17179869184, ceiling(17179869186, 17179869184) = 34359738368, ceiling(-17179869186, 17179869184) = 0
    2261 ceiling(34359738368, 34359738368) = 34359738368, ceiling(34359738370, 34359738368) = 68719476736, ceiling(-34359738370, 34359738368) = 0
    2262 ceiling(68719476736, 68719476736) = 68719476736, ceiling(68719476738, 68719476736) = 137438953472, ceiling(-68719476738, 68719476736) = 0
    2263 ceiling(137438953472, 137438953472) = 137438953472, ceiling(137438953474, 137438953472) = 274877906944, ceiling(-137438953474, 137438953472) = 0
    2264 ceiling(274877906944, 274877906944) = 274877906944, ceiling(274877906946, 274877906944) = 549755813888, ceiling(-274877906946, 274877906944) = 0
    2265 ceiling(549755813888, 549755813888) = 549755813888, ceiling(549755813890, 549755813888) = 1099511627776, ceiling(-549755813890, 549755813888) = 0
    2266 ceiling(1099511627776, 1099511627776) = 1099511627776, ceiling(1099511627778, 1099511627776) = 2199023255552, ceiling(-1099511627778, 1099511627776) = 0
    2267 ceiling(2199023255552, 2199023255552) = 2199023255552, ceiling(2199023255554, 2199023255552) = 4398046511104, ceiling(-2199023255554, 2199023255552) = 0
    2268 ceiling(4398046511104, 4398046511104) = 4398046511104, ceiling(4398046511106, 4398046511104) = 8796093022208, ceiling(-4398046511106, 4398046511104) = 0
    2269 ceiling(8796093022208, 8796093022208) = 8796093022208, ceiling(8796093022210, 8796093022208) = 17592186044416, ceiling(-8796093022210, 8796093022208) = 0
    2270 ceiling(17592186044416, 17592186044416) = 17592186044416, ceiling(17592186044418, 17592186044416) = 35184372088832, ceiling(-17592186044418, 17592186044416) = 0
    2271 ceiling(35184372088832, 35184372088832) = 35184372088832, ceiling(35184372088834, 35184372088832) = 70368744177664, ceiling(-35184372088834, 35184372088832) = 0
    2272 ceiling(70368744177664, 70368744177664) = 70368744177664, ceiling(70368744177666, 70368744177664) = 140737488355328, ceiling(-70368744177666, 70368744177664) = 0
    2273 ceiling(140737488355328, 140737488355328) = 140737488355328, ceiling(140737488355330, 140737488355328) = 281474976710656, ceiling(-140737488355330, 140737488355328) = 0
    2274 ceiling(281474976710656, 281474976710656) = 281474976710656, ceiling(281474976710658, 281474976710656) = 562949953421312, ceiling(-281474976710658, 281474976710656) = 0
    2275 ceiling(562949953421312, 562949953421312) = 562949953421312, ceiling(562949953421314, 562949953421312) = 1125899906842624, ceiling(-562949953421314, 562949953421312) = 0
    2276 ceiling(1125899906842624, 1125899906842624) = 1125899906842624, ceiling(1125899906842626, 1125899906842624) = 2251799813685248, ceiling(-1125899906842626, 1125899906842624) = 0
    2277 ceiling(2251799813685248, 2251799813685248) = 2251799813685248, ceiling(2251799813685250, 2251799813685248) = 4503599627370496, ceiling(-2251799813685250, 2251799813685248) = 0
    2278 ceiling(4503599627370496, 4503599627370496) = 4503599627370496, ceiling(4503599627370498, 4503599627370496) = 9007199254740992, ceiling(-4503599627370498, 4503599627370496) = 0
    2279 ceiling(9007199254740992, 9007199254740992) = 9007199254740992, ceiling(9007199254740994, 9007199254740992) = 18014398509481984, ceiling(-9007199254740994, 9007199254740992) = 0
    2280 ceiling(18014398509481984, 18014398509481984) = 18014398509481984, ceiling(18014398509481986, 18014398509481984) = 36028797018963968, ceiling(-18014398509481986, 18014398509481984) = 0
    2281 ceiling(36028797018963968, 36028797018963968) = 36028797018963968, ceiling(36028797018963970, 36028797018963968) = 72057594037927936, ceiling(-36028797018963970, 36028797018963968) = 0
    2282 ceiling(72057594037927936, 72057594037927936) = 72057594037927936, ceiling(72057594037927938, 72057594037927936) = 144115188075855872, ceiling(-72057594037927938, 72057594037927936) = 0
    2283 ceiling(144115188075855872, 144115188075855872) = 144115188075855872, ceiling(144115188075855874, 144115188075855872) = 288230376151711744, ceiling(-144115188075855874, 144115188075855872) = 0
    2284 ceiling(288230376151711744, 288230376151711744) = 288230376151711744, ceiling(288230376151711746, 288230376151711744) = 576460752303423488, ceiling(-288230376151711746, 288230376151711744) = 0
    2285 ceiling(576460752303423488, 576460752303423488) = 576460752303423488, ceiling(576460752303423490, 576460752303423488) = 1152921504606846976, ceiling(-576460752303423490, 576460752303423488) = 0
    2286 ceiling(1152921504606846976, 1152921504606846976) = 1152921504606846976, ceiling(1152921504606846978, 1152921504606846976) = 2305843009213693952, ceiling(-1152921504606846978, 1152921504606846976) = 0
    2287 ceiling(2305843009213693952, 2305843009213693952) = 2305843009213693952, ceiling(2305843009213693954, 2305843009213693952) = 4611686018427387904, ceiling(-2305843009213693954, 2305843009213693952) = 0
    2288 ceiling(4611686018427387904, 4611686018427387904) = 4611686018427387904, ceiling(4611686018427387906, 4611686018427387904) = -4611686018427387904, ceiling(-4611686018427387906, 4611686018427387904) = 0
    2289 ceiling(-9223372036854775808, -9223372036854775808) = -9223372036854775808, ceiling(-9223372036854775806, -9223372036854775808) = 0, ceiling(9223372036854775806, -9223372036854775808) = 0
     1856ceiling(2, 2) = 1, ceiling(4, 2) = 2, ceiling(-4, 2) = -1
     1857ceiling(4, 4) = 1, ceiling(6, 4) = 2, ceiling(-6, 4) = 0
     1858ceiling(8, 8) = 1, ceiling(10, 8) = 2, ceiling(-10, 8) = 0
     1859ceiling(16, 16) = 1, ceiling(18, 16) = 2, ceiling(-18, 16) = 0
     1860ceiling(32, 32) = 1, ceiling(34, 32) = 2, ceiling(-34, 32) = 0
     1861ceiling(64, 64) = 1, ceiling(66, 64) = 2, ceiling(-66, 64) = 0
     1862ceiling(128, 128) = 1, ceiling(130, 128) = 2, ceiling(-130, 128) = 0
     1863ceiling(256, 256) = 1, ceiling(258, 256) = 2, ceiling(-258, 256) = 0
     1864ceiling(512, 512) = 1, ceiling(514, 512) = 2, ceiling(-514, 512) = 0
     1865ceiling(1024, 1024) = 1, ceiling(1026, 1024) = 2, ceiling(-1026, 1024) = 0
     1866ceiling(2048, 2048) = 1, ceiling(2050, 2048) = 2, ceiling(-2050, 2048) = 0
     1867ceiling(4096, 4096) = 1, ceiling(4098, 4096) = 2, ceiling(-4098, 4096) = 0
     1868ceiling(8192, 8192) = 1, ceiling(8194, 8192) = 2, ceiling(-8194, 8192) = 0
     1869ceiling(16384, 16384) = 1, ceiling(16386, 16384) = 2, ceiling(-16386, 16384) = 0
     1870ceiling(32768, 32768) = 1, ceiling(32770, 32768) = 2, ceiling(-32770, 32768) = 0
     1871ceiling(65536, 65536) = 1, ceiling(65538, 65536) = 2, ceiling(-65538, 65536) = 0
     1872ceiling(131072, 131072) = 1, ceiling(131074, 131072) = 2, ceiling(-131074, 131072) = 0
     1873ceiling(262144, 262144) = 1, ceiling(262146, 262144) = 2, ceiling(-262146, 262144) = 0
     1874ceiling(524288, 524288) = 1, ceiling(524290, 524288) = 2, ceiling(-524290, 524288) = 0
     1875ceiling(1048576, 1048576) = 1, ceiling(1048578, 1048576) = 2, ceiling(-1048578, 1048576) = 0
     1876ceiling(2097152, 2097152) = 1, ceiling(2097154, 2097152) = 2, ceiling(-2097154, 2097152) = 0
     1877ceiling(4194304, 4194304) = 1, ceiling(4194306, 4194304) = 2, ceiling(-4194306, 4194304) = 0
     1878ceiling(8388608, 8388608) = 1, ceiling(8388610, 8388608) = 2, ceiling(-8388610, 8388608) = 0
     1879ceiling(16777216, 16777216) = 1, ceiling(16777218, 16777216) = 2, ceiling(-16777218, 16777216) = 0
     1880ceiling(33554432, 33554432) = 1, ceiling(33554434, 33554432) = 2, ceiling(-33554434, 33554432) = 0
     1881ceiling(67108864, 67108864) = 1, ceiling(67108866, 67108864) = 2, ceiling(-67108866, 67108864) = 0
     1882ceiling(134217728, 134217728) = 1, ceiling(134217730, 134217728) = 2, ceiling(-134217730, 134217728) = 0
     1883ceiling(268435456, 268435456) = 1, ceiling(268435458, 268435456) = 2, ceiling(-268435458, 268435456) = 0
     1884ceiling(536870912, 536870912) = 1, ceiling(536870914, 536870912) = 2, ceiling(-536870914, 536870912) = 0
     1885ceiling(1073741824, 1073741824) = 1, ceiling(1073741826, 1073741824) = 2, ceiling(-1073741826, 1073741824) = 0
     1886ceiling(2147483648, 2147483648) = 1, ceiling(2147483650, 2147483648) = 2, ceiling(-2147483650, 2147483648) = 0
     1887ceiling(4294967296, 4294967296) = 1, ceiling(4294967298, 4294967296) = 2, ceiling(-4294967298, 4294967296) = 0
     1888ceiling(8589934592, 8589934592) = 1, ceiling(8589934594, 8589934592) = 2, ceiling(-8589934594, 8589934592) = 0
     1889ceiling(17179869184, 17179869184) = 1, ceiling(17179869186, 17179869184) = 2, ceiling(-17179869186, 17179869184) = 0
     1890ceiling(34359738368, 34359738368) = 1, ceiling(34359738370, 34359738368) = 2, ceiling(-34359738370, 34359738368) = 0
     1891ceiling(68719476736, 68719476736) = 1, ceiling(68719476738, 68719476736) = 2, ceiling(-68719476738, 68719476736) = 0
     1892ceiling(137438953472, 137438953472) = 1, ceiling(137438953474, 137438953472) = 2, ceiling(-137438953474, 137438953472) = 0
     1893ceiling(274877906944, 274877906944) = 1, ceiling(274877906946, 274877906944) = 2, ceiling(-274877906946, 274877906944) = 0
     1894ceiling(549755813888, 549755813888) = 1, ceiling(549755813890, 549755813888) = 2, ceiling(-549755813890, 549755813888) = 0
     1895ceiling(1099511627776, 1099511627776) = 1, ceiling(1099511627778, 1099511627776) = 2, ceiling(-1099511627778, 1099511627776) = 0
     1896ceiling(2199023255552, 2199023255552) = 1, ceiling(2199023255554, 2199023255552) = 2, ceiling(-2199023255554, 2199023255552) = 0
     1897ceiling(4398046511104, 4398046511104) = 1, ceiling(4398046511106, 4398046511104) = 2, ceiling(-4398046511106, 4398046511104) = 0
     1898ceiling(8796093022208, 8796093022208) = 1, ceiling(8796093022210, 8796093022208) = 2, ceiling(-8796093022210, 8796093022208) = 0
     1899ceiling(17592186044416, 17592186044416) = 1, ceiling(17592186044418, 17592186044416) = 2, ceiling(-17592186044418, 17592186044416) = 0
     1900ceiling(35184372088832, 35184372088832) = 1, ceiling(35184372088834, 35184372088832) = 2, ceiling(-35184372088834, 35184372088832) = 0
     1901ceiling(70368744177664, 70368744177664) = 1, ceiling(70368744177666, 70368744177664) = 2, ceiling(-70368744177666, 70368744177664) = 0
     1902ceiling(140737488355328, 140737488355328) = 1, ceiling(140737488355330, 140737488355328) = 2, ceiling(-140737488355330, 140737488355328) = 0
     1903ceiling(281474976710656, 281474976710656) = 1, ceiling(281474976710658, 281474976710656) = 2, ceiling(-281474976710658, 281474976710656) = 0
     1904ceiling(562949953421312, 562949953421312) = 1, ceiling(562949953421314, 562949953421312) = 2, ceiling(-562949953421314, 562949953421312) = 0
     1905ceiling(1125899906842624, 1125899906842624) = 1, ceiling(1125899906842626, 1125899906842624) = 2, ceiling(-1125899906842626, 1125899906842624) = 0
     1906ceiling(2251799813685248, 2251799813685248) = 1, ceiling(2251799813685250, 2251799813685248) = 2, ceiling(-2251799813685250, 2251799813685248) = 0
     1907ceiling(4503599627370496, 4503599627370496) = 1, ceiling(4503599627370498, 4503599627370496) = 2, ceiling(-4503599627370498, 4503599627370496) = 0
     1908ceiling(9007199254740992, 9007199254740992) = 1, ceiling(9007199254740994, 9007199254740992) = 2, ceiling(-9007199254740994, 9007199254740992) = 0
     1909ceiling(18014398509481984, 18014398509481984) = 1, ceiling(18014398509481986, 18014398509481984) = 2, ceiling(-18014398509481986, 18014398509481984) = 0
     1910ceiling(36028797018963968, 36028797018963968) = 1, ceiling(36028797018963970, 36028797018963968) = 2, ceiling(-36028797018963970, 36028797018963968) = 0
     1911ceiling(72057594037927936, 72057594037927936) = 1, ceiling(72057594037927938, 72057594037927936) = 2, ceiling(-72057594037927938, 72057594037927936) = 0
     1912ceiling(144115188075855872, 144115188075855872) = 1, ceiling(144115188075855874, 144115188075855872) = 2, ceiling(-144115188075855874, 144115188075855872) = 0
     1913ceiling(288230376151711744, 288230376151711744) = 1, ceiling(288230376151711746, 288230376151711744) = 2, ceiling(-288230376151711746, 288230376151711744) = 0
     1914ceiling(576460752303423488, 576460752303423488) = 1, ceiling(576460752303423490, 576460752303423488) = 2, ceiling(-576460752303423490, 576460752303423488) = 0
     1915ceiling(1152921504606846976, 1152921504606846976) = 1, ceiling(1152921504606846978, 1152921504606846976) = 2, ceiling(-1152921504606846978, 1152921504606846976) = 0
     1916ceiling(2305843009213693952, 2305843009213693952) = 1, ceiling(2305843009213693954, 2305843009213693952) = 2, ceiling(-2305843009213693954, 2305843009213693952) = 0
     1917ceiling(4611686018427387904, 4611686018427387904) = 1, ceiling(4611686018427387906, 4611686018427387904) = -1, ceiling(-4611686018427387906, 4611686018427387904) = 0
     1918ceiling(-9223372036854775808, -9223372036854775808) = 0, ceiling(-9223372036854775806, -9223372036854775808) = 0, ceiling(9223372036854775806, -9223372036854775808) = 0
    22901919
    22911920unsigned long long int
    22921921ceiling(1, 1) = 1, ceiling(3, 1) = 3, ceiling(18446744073709551613, 1) = 18446744073709551613
    2293 ceiling(2, 2) = 2, ceiling(4, 2) = 4, ceiling(18446744073709551612, 2) = 18446744073709551612
    2294 ceiling(4, 4) = 4, ceiling(6, 4) = 8, ceiling(18446744073709551610, 4) = 18446744073709551612
    2295 ceiling(8, 8) = 8, ceiling(10, 8) = 16, ceiling(18446744073709551606, 8) = 18446744073709551608
    2296 ceiling(16, 16) = 16, ceiling(18, 16) = 32, ceiling(18446744073709551598, 16) = 18446744073709551600
    2297 ceiling(32, 32) = 32, ceiling(34, 32) = 64, ceiling(18446744073709551582, 32) = 18446744073709551584
    2298 ceiling(64, 64) = 64, ceiling(66, 64) = 128, ceiling(18446744073709551550, 64) = 18446744073709551552
    2299 ceiling(128, 128) = 128, ceiling(130, 128) = 256, ceiling(18446744073709551486, 128) = 18446744073709551488
    2300 ceiling(256, 256) = 256, ceiling(258, 256) = 512, ceiling(18446744073709551358, 256) = 18446744073709551360
    2301 ceiling(512, 512) = 512, ceiling(514, 512) = 1024, ceiling(18446744073709551102, 512) = 18446744073709551104
    2302 ceiling(1024, 1024) = 1024, ceiling(1026, 1024) = 2048, ceiling(18446744073709550590, 1024) = 18446744073709550592
    2303 ceiling(2048, 2048) = 2048, ceiling(2050, 2048) = 4096, ceiling(18446744073709549566, 2048) = 18446744073709549568
    2304 ceiling(4096, 4096) = 4096, ceiling(4098, 4096) = 8192, ceiling(18446744073709547518, 4096) = 18446744073709547520
    2305 ceiling(8192, 8192) = 8192, ceiling(8194, 8192) = 16384, ceiling(18446744073709543422, 8192) = 18446744073709543424
    2306 ceiling(16384, 16384) = 16384, ceiling(16386, 16384) = 32768, ceiling(18446744073709535230, 16384) = 18446744073709535232
    2307 ceiling(32768, 32768) = 32768, ceiling(32770, 32768) = 65536, ceiling(18446744073709518846, 32768) = 18446744073709518848
    2308 ceiling(65536, 65536) = 65536, ceiling(65538, 65536) = 131072, ceiling(18446744073709486078, 65536) = 18446744073709486080
    2309 ceiling(131072, 131072) = 131072, ceiling(131074, 131072) = 262144, ceiling(18446744073709420542, 131072) = 18446744073709420544
    2310 ceiling(262144, 262144) = 262144, ceiling(262146, 262144) = 524288, ceiling(18446744073709289470, 262144) = 18446744073709289472
    2311 ceiling(524288, 524288) = 524288, ceiling(524290, 524288) = 1048576, ceiling(18446744073709027326, 524288) = 18446744073709027328
    2312 ceiling(1048576, 1048576) = 1048576, ceiling(1048578, 1048576) = 2097152, ceiling(18446744073708503038, 1048576) = 18446744073708503040
    2313 ceiling(2097152, 2097152) = 2097152, ceiling(2097154, 2097152) = 4194304, ceiling(18446744073707454462, 2097152) = 18446744073707454464
    2314 ceiling(4194304, 4194304) = 4194304, ceiling(4194306, 4194304) = 8388608, ceiling(18446744073705357310, 4194304) = 18446744073705357312
    2315 ceiling(8388608, 8388608) = 8388608, ceiling(8388610, 8388608) = 16777216, ceiling(18446744073701163006, 8388608) = 18446744073701163008
    2316 ceiling(16777216, 16777216) = 16777216, ceiling(16777218, 16777216) = 33554432, ceiling(18446744073692774398, 16777216) = 18446744073692774400
    2317 ceiling(33554432, 33554432) = 33554432, ceiling(33554434, 33554432) = 67108864, ceiling(18446744073675997182, 33554432) = 18446744073675997184
    2318 ceiling(67108864, 67108864) = 67108864, ceiling(67108866, 67108864) = 134217728, ceiling(18446744073642442750, 67108864) = 18446744073642442752
    2319 ceiling(134217728, 134217728) = 134217728, ceiling(134217730, 134217728) = 268435456, ceiling(18446744073575333886, 134217728) = 18446744073575333888
    2320 ceiling(268435456, 268435456) = 268435456, ceiling(268435458, 268435456) = 536870912, ceiling(18446744073441116158, 268435456) = 18446744073441116160
    2321 ceiling(536870912, 536870912) = 536870912, ceiling(536870914, 536870912) = 1073741824, ceiling(18446744073172680702, 536870912) = 18446744073172680704
    2322 ceiling(1073741824, 1073741824) = 1073741824, ceiling(1073741826, 1073741824) = 2147483648, ceiling(18446744072635809790, 1073741824) = 18446744072635809792
    2323 ceiling(2147483648, 2147483648) = 2147483648, ceiling(2147483650, 2147483648) = 4294967296, ceiling(18446744071562067966, 2147483648) = 18446744071562067968
    2324 ceiling(4294967296, 4294967296) = 4294967296, ceiling(4294967298, 4294967296) = 8589934592, ceiling(18446744069414584318, 4294967296) = 18446744069414584320
    2325 ceiling(8589934592, 8589934592) = 8589934592, ceiling(8589934594, 8589934592) = 17179869184, ceiling(18446744065119617022, 8589934592) = 18446744065119617024
    2326 ceiling(17179869184, 17179869184) = 17179869184, ceiling(17179869186, 17179869184) = 34359738368, ceiling(18446744056529682430, 17179869184) = 18446744056529682432
    2327 ceiling(34359738368, 34359738368) = 34359738368, ceiling(34359738370, 34359738368) = 68719476736, ceiling(18446744039349813246, 34359738368) = 18446744039349813248
    2328 ceiling(68719476736, 68719476736) = 68719476736, ceiling(68719476738, 68719476736) = 137438953472, ceiling(18446744004990074878, 68719476736) = 18446744004990074880
    2329 ceiling(137438953472, 137438953472) = 137438953472, ceiling(137438953474, 137438953472) = 274877906944, ceiling(18446743936270598142, 137438953472) = 18446743936270598144
    2330 ceiling(274877906944, 274877906944) = 274877906944, ceiling(274877906946, 274877906944) = 549755813888, ceiling(18446743798831644670, 274877906944) = 18446743798831644672
    2331 ceiling(549755813888, 549755813888) = 549755813888, ceiling(549755813890, 549755813888) = 1099511627776, ceiling(18446743523953737726, 549755813888) = 18446743523953737728
    2332 ceiling(1099511627776, 1099511627776) = 1099511627776, ceiling(1099511627778, 1099511627776) = 2199023255552, ceiling(18446742974197923838, 1099511627776) = 18446742974197923840
    2333 ceiling(2199023255552, 2199023255552) = 2199023255552, ceiling(2199023255554, 2199023255552) = 4398046511104, ceiling(18446741874686296062, 2199023255552) = 18446741874686296064
    2334 ceiling(4398046511104, 4398046511104) = 4398046511104, ceiling(4398046511106, 4398046511104) = 8796093022208, ceiling(18446739675663040510, 4398046511104) = 18446739675663040512
    2335 ceiling(8796093022208, 8796093022208) = 8796093022208, ceiling(8796093022210, 8796093022208) = 17592186044416, ceiling(18446735277616529406, 8796093022208) = 18446735277616529408
    2336 ceiling(17592186044416, 17592186044416) = 17592186044416, ceiling(17592186044418, 17592186044416) = 35184372088832, ceiling(18446726481523507198, 17592186044416) = 18446726481523507200
    2337 ceiling(35184372088832, 35184372088832) = 35184372088832, ceiling(35184372088834, 35184372088832) = 70368744177664, ceiling(18446708889337462782, 35184372088832) = 18446708889337462784
    2338 ceiling(70368744177664, 70368744177664) = 70368744177664, ceiling(70368744177666, 70368744177664) = 140737488355328, ceiling(18446673704965373950, 70368744177664) = 18446673704965373952
    2339 ceiling(140737488355328, 140737488355328) = 140737488355328, ceiling(140737488355330, 140737488355328) = 281474976710656, ceiling(18446603336221196286, 140737488355328) = 18446603336221196288
    2340 ceiling(281474976710656, 281474976710656) = 281474976710656, ceiling(281474976710658, 281474976710656) = 562949953421312, ceiling(18446462598732840958, 281474976710656) = 18446462598732840960
    2341 ceiling(562949953421312, 562949953421312) = 562949953421312, ceiling(562949953421314, 562949953421312) = 1125899906842624, ceiling(18446181123756130302, 562949953421312) = 18446181123756130304
    2342 ceiling(1125899906842624, 1125899906842624) = 1125899906842624, ceiling(1125899906842626, 1125899906842624) = 2251799813685248, ceiling(18445618173802708990, 1125899906842624) = 18445618173802708992
    2343 ceiling(2251799813685248, 2251799813685248) = 2251799813685248, ceiling(2251799813685250, 2251799813685248) = 4503599627370496, ceiling(18444492273895866366, 2251799813685248) = 18444492273895866368
    2344 ceiling(4503599627370496, 4503599627370496) = 4503599627370496, ceiling(4503599627370498, 4503599627370496) = 9007199254740992, ceiling(18442240474082181118, 4503599627370496) = 18442240474082181120
    2345 ceiling(9007199254740992, 9007199254740992) = 9007199254740992, ceiling(9007199254740994, 9007199254740992) = 18014398509481984, ceiling(18437736874454810622, 9007199254740992) = 18437736874454810624
    2346 ceiling(18014398509481984, 18014398509481984) = 18014398509481984, ceiling(18014398509481986, 18014398509481984) = 36028797018963968, ceiling(18428729675200069630, 18014398509481984) = 18428729675200069632
    2347 ceiling(36028797018963968, 36028797018963968) = 36028797018963968, ceiling(36028797018963970, 36028797018963968) = 72057594037927936, ceiling(18410715276690587646, 36028797018963968) = 18410715276690587648
    2348 ceiling(72057594037927936, 72057594037927936) = 72057594037927936, ceiling(72057594037927938, 72057594037927936) = 144115188075855872, ceiling(18374686479671623678, 72057594037927936) = 18374686479671623680
    2349 ceiling(144115188075855872, 144115188075855872) = 144115188075855872, ceiling(144115188075855874, 144115188075855872) = 288230376151711744, ceiling(18302628885633695742, 144115188075855872) = 18302628885633695744
    2350 ceiling(288230376151711744, 288230376151711744) = 288230376151711744, ceiling(288230376151711746, 288230376151711744) = 576460752303423488, ceiling(18158513697557839870, 288230376151711744) = 18158513697557839872
    2351 ceiling(576460752303423488, 576460752303423488) = 576460752303423488, ceiling(576460752303423490, 576460752303423488) = 1152921504606846976, ceiling(17870283321406128126, 576460752303423488) = 17870283321406128128
    2352 ceiling(1152921504606846976, 1152921504606846976) = 1152921504606846976, ceiling(1152921504606846978, 1152921504606846976) = 2305843009213693952, ceiling(17293822569102704638, 1152921504606846976) = 17293822569102704640
    2353 ceiling(2305843009213693952, 2305843009213693952) = 2305843009213693952, ceiling(2305843009213693954, 2305843009213693952) = 4611686018427387904, ceiling(16140901064495857662, 2305843009213693952) = 16140901064495857664
    2354 ceiling(4611686018427387904, 4611686018427387904) = 4611686018427387904, ceiling(4611686018427387906, 4611686018427387904) = 9223372036854775808, ceiling(13835058055282163710, 4611686018427387904) = 13835058055282163712
    2355 ceiling(9223372036854775808, 9223372036854775808) = 9223372036854775808, ceiling(9223372036854775810, 9223372036854775808) = 0, ceiling(9223372036854775806, 9223372036854775808) = 9223372036854775808
    2356 
     1922ceiling(2, 2) = 1, ceiling(4, 2) = 2, ceiling(18446744073709551612, 2) = 9223372036854775806
     1923ceiling(4, 4) = 1, ceiling(6, 4) = 2, ceiling(18446744073709551610, 4) = 4611686018427387903
     1924ceiling(8, 8) = 1, ceiling(10, 8) = 2, ceiling(18446744073709551606, 8) = 2305843009213693951
     1925ceiling(16, 16) = 1, ceiling(18, 16) = 2, ceiling(18446744073709551598, 16) = 1152921504606846975
     1926ceiling(32, 32) = 1, ceiling(34, 32) = 2, ceiling(18446744073709551582, 32) = 576460752303423487
     1927ceiling(64, 64) = 1, ceiling(66, 64) = 2, ceiling(18446744073709551550, 64) = 288230376151711743
     1928ceiling(128, 128) = 1, ceiling(130, 128) = 2, ceiling(18446744073709551486, 128) = 144115188075855871
     1929ceiling(256, 256) = 1, ceiling(258, 256) = 2, ceiling(18446744073709551358, 256) = 72057594037927935
     1930ceiling(512, 512) = 1, ceiling(514, 512) = 2, ceiling(18446744073709551102, 512) = 36028797018963967
     1931ceiling(1024, 1024) = 1, ceiling(1026, 1024) = 2, ceiling(18446744073709550590, 1024) = 18014398509481983
     1932ceiling(2048, 2048) = 1, ceiling(2050, 2048) = 2, ceiling(18446744073709549566, 2048) = 9007199254740991
     1933ceiling(4096, 4096) = 1, ceiling(4098, 4096) = 2, ceiling(18446744073709547518, 4096) = 4503599627370495
     1934ceiling(8192, 8192) = 1, ceiling(8194, 8192) = 2, ceiling(18446744073709543422, 8192) = 2251799813685247
     1935ceiling(16384, 16384) = 1, ceiling(16386, 16384) = 2, ceiling(18446744073709535230, 16384) = 1125899906842623
     1936ceiling(32768, 32768) = 1, ceiling(32770, 32768) = 2, ceiling(18446744073709518846, 32768) = 562949953421311
     1937ceiling(65536, 65536) = 1, ceiling(65538, 65536) = 2, ceiling(18446744073709486078, 65536) = 281474976710655
     1938ceiling(131072, 131072) = 1, ceiling(131074, 131072) = 2, ceiling(18446744073709420542, 131072) = 140737488355327
     1939ceiling(262144, 262144) = 1, ceiling(262146, 262144) = 2, ceiling(18446744073709289470, 262144) = 70368744177663
     1940ceiling(524288, 524288) = 1, ceiling(524290, 524288) = 2, ceiling(18446744073709027326, 524288) = 35184372088831
     1941ceiling(1048576, 1048576) = 1, ceiling(1048578, 1048576) = 2, ceiling(18446744073708503038, 1048576) = 17592186044415
     1942ceiling(2097152, 2097152) = 1, ceiling(2097154, 2097152) = 2, ceiling(18446744073707454462, 2097152) = 8796093022207
     1943ceiling(4194304, 4194304) = 1, ceiling(4194306, 4194304) = 2, ceiling(18446744073705357310, 4194304) = 4398046511103
     1944ceiling(8388608, 8388608) = 1, ceiling(8388610, 8388608) = 2, ceiling(18446744073701163006, 8388608) = 2199023255551
     1945ceiling(16777216, 16777216) = 1, ceiling(16777218, 16777216) = 2, ceiling(18446744073692774398, 16777216) = 1099511627775
     1946ceiling(33554432, 33554432) = 1, ceiling(33554434, 33554432) = 2, ceiling(18446744073675997182, 33554432) = 549755813887
     1947ceiling(67108864, 67108864) = 1, ceiling(67108866, 67108864) = 2, ceiling(18446744073642442750, 67108864) = 274877906943
     1948ceiling(134217728, 134217728) = 1, ceiling(134217730, 134217728) = 2, ceiling(18446744073575333886, 134217728) = 137438953471
     1949ceiling(268435456, 268435456) = 1, ceiling(268435458, 268435456) = 2, ceiling(18446744073441116158, 268435456) = 68719476735
     1950ceiling(536870912, 536870912) = 1, ceiling(536870914, 536870912) = 2, ceiling(18446744073172680702, 536870912) = 34359738367
     1951ceiling(1073741824, 1073741824) = 1, ceiling(1073741826, 1073741824) = 2, ceiling(18446744072635809790, 1073741824) = 17179869183
     1952ceiling(2147483648, 2147483648) = 1, ceiling(2147483650, 2147483648) = 2, ceiling(18446744071562067966, 2147483648) = 8589934591
     1953ceiling(4294967296, 4294967296) = 1, ceiling(4294967298, 4294967296) = 2, ceiling(18446744069414584318, 4294967296) = 4294967295
     1954ceiling(8589934592, 8589934592) = 1, ceiling(8589934594, 8589934592) = 2, ceiling(18446744065119617022, 8589934592) = 2147483647
     1955ceiling(17179869184, 17179869184) = 1, ceiling(17179869186, 17179869184) = 2, ceiling(18446744056529682430, 17179869184) = 1073741823
     1956ceiling(34359738368, 34359738368) = 1, ceiling(34359738370, 34359738368) = 2, ceiling(18446744039349813246, 34359738368) = 536870911
     1957ceiling(68719476736, 68719476736) = 1, ceiling(68719476738, 68719476736) = 2, ceiling(18446744004990074878, 68719476736) = 268435455
     1958ceiling(137438953472, 137438953472) = 1, ceiling(137438953474, 137438953472) = 2, ceiling(18446743936270598142, 137438953472) = 134217727
     1959ceiling(274877906944, 274877906944) = 1, ceiling(274877906946, 274877906944) = 2, ceiling(18446743798831644670, 274877906944) = 67108863
     1960ceiling(549755813888, 549755813888) = 1, ceiling(549755813890, 549755813888) = 2, ceiling(18446743523953737726, 549755813888) = 33554431
     1961ceiling(1099511627776, 1099511627776) = 1, ceiling(1099511627778, 1099511627776) = 2, ceiling(18446742974197923838, 1099511627776) = 16777215
     1962ceiling(2199023255552, 2199023255552) = 1, ceiling(2199023255554, 2199023255552) = 2, ceiling(18446741874686296062, 2199023255552) = 8388607
     1963ceiling(4398046511104, 4398046511104) = 1, ceiling(4398046511106, 4398046511104) = 2, ceiling(18446739675663040510, 4398046511104) = 4194303
     1964ceiling(8796093022208, 8796093022208) = 1, ceiling(8796093022210, 8796093022208) = 2, ceiling(18446735277616529406, 8796093022208) = 2097151
     1965ceiling(17592186044416, 17592186044416) = 1, ceiling(17592186044418, 17592186044416) = 2, ceiling(18446726481523507198, 17592186044416) = 1048575
     1966ceiling(35184372088832, 35184372088832) = 1, ceiling(35184372088834, 35184372088832) = 2, ceiling(18446708889337462782, 35184372088832) = 524287
     1967ceiling(70368744177664, 70368744177664) = 1, ceiling(70368744177666, 70368744177664) = 2, ceiling(18446673704965373950, 70368744177664) = 262143
     1968ceiling(140737488355328, 140737488355328) = 1, ceiling(140737488355330, 140737488355328) = 2, ceiling(18446603336221196286, 140737488355328) = 131071
     1969ceiling(281474976710656, 281474976710656) = 1, ceiling(281474976710658, 281474976710656) = 2, ceiling(18446462598732840958, 281474976710656) = 65535
     1970ceiling(562949953421312, 562949953421312) = 1, ceiling(562949953421314, 562949953421312) = 2, ceiling(18446181123756130302, 562949953421312) = 32767
     1971ceiling(1125899906842624, 1125899906842624) = 1, ceiling(1125899906842626, 1125899906842624) = 2, ceiling(18445618173802708990, 1125899906842624) = 16383
     1972ceiling(2251799813685248, 2251799813685248) = 1, ceiling(2251799813685250, 2251799813685248) = 2, ceiling(18444492273895866366, 2251799813685248) = 8191
     1973ceiling(4503599627370496, 4503599627370496) = 1, ceiling(4503599627370498, 4503599627370496) = 2, ceiling(18442240474082181118, 4503599627370496) = 4095
     1974ceiling(9007199254740992, 9007199254740992) = 1, ceiling(9007199254740994, 9007199254740992) = 2, ceiling(18437736874454810622, 9007199254740992) = 2047
     1975ceiling(18014398509481984, 18014398509481984) = 1, ceiling(18014398509481986, 18014398509481984) = 2, ceiling(18428729675200069630, 18014398509481984) = 1023
     1976ceiling(36028797018963968, 36028797018963968) = 1, ceiling(36028797018963970, 36028797018963968) = 2, ceiling(18410715276690587646, 36028797018963968) = 511
     1977ceiling(72057594037927936, 72057594037927936) = 1, ceiling(72057594037927938, 72057594037927936) = 2, ceiling(18374686479671623678, 72057594037927936) = 255
     1978ceiling(144115188075855872, 144115188075855872) = 1, ceiling(144115188075855874, 144115188075855872) = 2, ceiling(18302628885633695742, 144115188075855872) = 127
     1979ceiling(288230376151711744, 288230376151711744) = 1, ceiling(288230376151711746, 288230376151711744) = 2, ceiling(18158513697557839870, 288230376151711744) = 63
     1980ceiling(576460752303423488, 576460752303423488) = 1, ceiling(576460752303423490, 576460752303423488) = 2, ceiling(17870283321406128126, 576460752303423488) = 31
     1981ceiling(1152921504606846976, 1152921504606846976) = 1, ceiling(1152921504606846978, 1152921504606846976) = 2, ceiling(17293822569102704638, 1152921504606846976) = 15
     1982ceiling(2305843009213693952, 2305843009213693952) = 1, ceiling(2305843009213693954, 2305843009213693952) = 2, ceiling(16140901064495857662, 2305843009213693952) = 7
     1983ceiling(4611686018427387904, 4611686018427387904) = 1, ceiling(4611686018427387906, 4611686018427387904) = 2, ceiling(13835058055282163710, 4611686018427387904) = 3
     1984ceiling(9223372036854775808, 9223372036854775808) = 1, ceiling(9223372036854775810, 9223372036854775808) = 0, ceiling(9223372036854775806, 9223372036854775808) = 1
     1985

  • tests/Makefile.am

    r8465b4d r1eb239e4  
    1818ACLOCAL_AMFLAGS  = -I automake
    1919
    20 include $(top_srcdir)/tools/build/cfa.make
     20include $(top_srcdir)/src/cfa.make
    2121
    2222DEFAULT_INCLUDES = -I${abs_srcdir}

  • tests/bitmanip3.cfa

    r8465b4d r1eb239e4  
    1010// Created On       : Tue Apr  7 21:22:59 2020
    1111// Last Modified By : Peter A. Buhr
    12 // Last Modified On : Mon Aug 10 09:31:35 2020
    13 // Update Count     : 65
     12// Last Modified On : Tue Apr 21 16:25:09 2020
     13// Update Count     : 61
    1414//
    1515
    … …  
    134134
    135135        printf( "signed char\n" );
    136 //      sc = 0;
    137 //      scr1 = floor2( sc, sc ), scr2 = floor2( sc + 2hh, sc ), scr3 = floor2( -sc - 2hh, sc );
    138 //      printf( "floor2(%hhd, %hhd) = %hhd, floor2(%hhd, %hhd) = %hhd, floor2(%hhd, %hhd) = %hhd\n", sc, sc, scr1, sc + 2hh, sc, scr2, -sc - 2hh, sc, scr3 );
     136        sc = 0;
     137        scr1 = floor2( sc, sc ), scr2 = floor2( sc + 2hh, sc ), scr3 = floor2( -sc - 2hh, sc );
     138        printf( "floor2(%hhd, %hhd) = %hhd, floor2(%hhd, %hhd) = %hhd, floor2(%hhd, %hhd) = %hhd\n", sc, sc, scr1, sc + 2hh, sc, scr2, -sc - 2hh, sc, scr3 );
    139139        for ( sc = 1; sc != 0; sc <<= 1 ) {
    140140                scr1 = floor2( sc, sc ); scr2 = floor2( sc + 2hh, sc ); scr3 = floor2( -sc - 2hh, sc );
    … …  
    144144
    145145        printf( "unsigned char\n" );
    146 //      uc = 0;
    147 //      ucr1 = floor2( uc, uc ), ucr2 = floor2( uc + 2hh, uc ), ucr3 = floor2( -uc - 2hh, uc );
    148 //      printf( "floor2(%hhu, %hhu) = %hhu, floor2(%hhu, %hhu) = %hhu, floor2(%hhu, %hhu) = %hhu\n", uc, uc, ucr1, uc + 2uhh, uc, ucr2, -uc - 2uhh, uc, ucr3 );
     146        uc = 0;
     147        ucr1 = floor2( uc, uc ), ucr2 = floor2( uc + 2hh, uc ), ucr3 = floor2( -uc - 2hh, uc );
     148        printf( "floor2(%hhu, %hhu) = %hhu, floor2(%hhu, %hhu) = %hhu, floor2(%hhu, %hhu) = %hhu\n", uc, uc, ucr1, uc + 2uhh, uc, ucr2, -uc - 2uhh, uc, ucr3 );
    149149        for ( uc = 1; uc != 0; uc <<= 1 ) {
    150150                ucr1 = floor2( uc, uc ); ucr2 = floor2( uc + 2hh, uc ); ucr3 = floor2( -uc - 2hh, uc );
    … …  
    154154
    155155        printf( "short int\n" );
    156 //      si = 0;
    157 //      sir1 = floor2( si, si ), sir2 = floor2( si + 2hh, si ), sir3 = floor2( -si - 2hh, si );
    158 //      printf( "floor2(%hd, %hd) = %hd, floor2(%hd, %hd) = %hd, floor2(%hd, %hd) = %hd\n", si, si, sir1, si + 2h, si, sir2, -si - 2h, si, sir3 );
     156        si = 0;
     157        sir1 = floor2( si, si ), sir2 = floor2( si + 2hh, si ), sir3 = floor2( -si - 2hh, si );
     158        printf( "floor2(%hd, %hd) = %hd, floor2(%hd, %hd) = %hd, floor2(%hd, %hd) = %hd\n", si, si, sir1, si + 2h, si, sir2, -si - 2h, si, sir3 );
    159159        for ( si = 1; si != 0; si <<= 1 ) {
    160160                sir1 = floor2( si, si ); sir2 = floor2( si + 2hh, si ); sir3 = floor2( -si - 2hh, si );
    … …  
    164164
    165165        printf( "unsigned short int\n" );
    166 //      usi = 0;
    167 //      usir1 = floor2( usi, usi ), usir2 = floor2( usi + 2hh, usi ), usir3 = floor2( -usi - 2hh, usi );
    168 //      printf( "floor2(%hu, %hu) = %hu, floor2(%hu, %hu) = %hu, floor2(%hu, %hu) = %hu\n", usi, usi, usir1, usi + 2uh, usi, usir2, -usi - 2uh, usi, usir3 );
     166        usi = 0;
     167        usir1 = floor2( usi, usi ), usir2 = floor2( usi + 2hh, usi ), usir3 = floor2( -usi - 2hh, usi );
     168        printf( "floor2(%hu, %hu) = %hu, floor2(%hu, %hu) = %hu, floor2(%hu, %hu) = %hu\n", usi, usi, usir1, usi + 2uh, usi, usir2, -usi - 2uh, usi, usir3 );
    169169        for ( usi = 1; usi != 0; usi <<= 1 ) {
    170170                usir1 = floor2( usi, usi ); usir2 = floor2( usi + 2hh, usi ); usir3 = floor2( -usi - 2hh, usi );
    … …  
    174174
    175175        printf( "int\n" );
    176 //      i = 0;
    177 //      ir1 = floor2( i, i ), ir2 = floor2( i + 2hh, i ), ir3 = floor2( -i - 2hh, i );
    178 //      printf( "floor2(%d, %d) = %d, floor2(%d, %d) = %d, floor2(%d, %d) = %d\n", i, i, ir1, i + 2h, i, ir2, -i - 2h, i, ir3 );
     176        i = 0;
     177        ir1 = floor2( i, i ), ir2 = floor2( i + 2hh, i ), ir3 = floor2( -i - 2hh, i );
     178        printf( "floor2(%d, %d) = %d, floor2(%d, %d) = %d, floor2(%d, %d) = %d\n", i, i, ir1, i + 2h, i, ir2, -i - 2h, i, ir3 );
    179179        for ( i = 1; i != 0; i <<= 1 ) {
    180180                ir1 = floor2( i, i ); ir2 = floor2( i + 2hh, i ); ir3 = floor2( -i - 2hh, i );
    … …  
    184184
    185185        printf( "unsigned int\n" );
    186 //      ui = 0;
    187 //      uir1 = floor2( ui, ui ), uir2 = floor2( ui + 2hh, ui ), uir3 = floor2( -ui - 2hh, ui );
    188 //      printf( "floor2(%u, %u) = %u, floor2(%u, %u) = %u, floor2(%u, %u) = %u\n", ui, ui, uir1, ui + 2h, ui, uir2, -ui - 2h, ui, uir3 );
     186        ui = 0;
     187        uir1 = floor2( ui, ui ), uir2 = floor2( ui + 2hh, ui ), uir3 = floor2( -ui - 2hh, ui );
     188        printf( "floor2(%u, %u) = %u, floor2(%u, %u) = %u, floor2(%u, %u) = %u\n", ui, ui, uir1, ui + 2h, ui, uir2, -ui - 2h, ui, uir3 );
    189189        for ( ui = 1; ui != 0; ui <<= 1 ) {
    190190                uir1 = floor2( ui, ui ); uir2 = floor2( ui + 2hh, ui ); uir3 = floor2( -ui - 2hh, ui );
    … …  
    194194
    195195        printf( "long int\n" );
    196 //      li = 0;
    197 //      lir1 = floor2( li, li ), lir2 = floor2( li + 2hh, li ), lir3 = floor2( -li - 2hh, li );
    198 //      printf( "floor2(%ld, %ld) = %ld, floor2(%ld, %ld) = %ld, floor2(%ld, %ld) = %ld\n", li, li, lir1, li + 2h, li, lir2, -li - 2h, li, lir3 );
     196        li = 0;
     197        lir1 = floor2( li, li ), lir2 = floor2( li + 2hh, li ), lir3 = floor2( -li - 2hh, li );
     198        printf( "floor2(%ld, %ld) = %ld, floor2(%ld, %ld) = %ld, floor2(%ld, %ld) = %ld\n", li, li, lir1, li + 2h, li, lir2, -li - 2h, li, lir3 );
    199199        for ( li = 1; li != 0; li <<= 1 ) {
    200200                lir1 = floor2( li, li ); lir2 = floor2( li + 2hh, li ); lir3 = floor2( -li - 2hh, li );
    … …  
    204204
    205205        printf( "unsigned long int\n" );
    206 //      uli = 0;
    207 //      ulir1 = floor2( uli, uli ), ulir2 = floor2( uli + 2hh, uli ), ulir3 = floor2( -uli - 2hh, uli );
    208 //      printf( "floor2(%lu, %lu) = %lu, floor2(%lu, %lu) = %lu, floor2(%lu, %lu) = %lu\n", uli, uli, ulir1, uli + 2h, uli, ulir2, -uli - 2h, uli, ulir3 );
     206        uli = 0;
     207        ulir1 = floor2( uli, uli ), ulir2 = floor2( uli + 2hh, uli ), ulir3 = floor2( -uli - 2hh, uli );
     208        printf( "floor2(%lu, %lu) = %lu, floor2(%lu, %lu) = %lu, floor2(%lu, %lu) = %lu\n", uli, uli, ulir1, uli + 2h, uli, ulir2, -uli - 2h, uli, ulir3 );
    209209        for ( uli = 1; uli != 0; uli <<= 1 ) {
    210210                ulir1 = floor2( uli, uli ); ulir2 = floor2( uli + 2hh, uli ); ulir3 = floor2( -uli - 2hh, uli );
    … …  
    214214
    215215        printf( "long long int\n" );
    216 //      lli = 0;
    217 //      llir1 = floor2( lli, lli ), llir2 = floor2( lli + 2hh, lli ), llir3 = floor2( -lli - 2hh, lli );
    218 //      printf( "floor2(%lld, %lld) = %lld, floor2(%lld, %lld) = %lld, floor2(%lld, %lld) = %lld\n", lli, lli, llir1, lli + 2h, lli, llir2, -lli - 2h, lli, llir3 );
     216        lli = 0;
     217        llir1 = floor2( lli, lli ), llir2 = floor2( lli + 2hh, lli ), llir3 = floor2( -lli - 2hh, lli );
     218        printf( "floor2(%lld, %lld) = %lld, floor2(%lld, %lld) = %lld, floor2(%lld, %lld) = %lld\n", lli, lli, llir1, lli + 2h, lli, llir2, -lli - 2h, lli, llir3 );
    219219        for ( lli = 1; lli != 0; lli <<= 1 ) {
    220220                llir1 = floor2( lli, lli ); llir2 = floor2( lli + 2hh, lli ); llir3 = floor2( -lli - 2hh, lli );
    … …  
    224224
    225225        printf( "unsigned long long int\n" );
    226 //      ulli = 0;
    227 //      ullir1 = floor2( ulli, ulli ), ullir2 = floor2( ulli + 2hh, ulli ), ullir3 = floor2( -ulli - 2hh, ulli );
    228 //      printf( "floor2(%llu, %llu) = %llu, floor2(%llu, %llu) = %llu, floor2(%llu, %llu) = %llu\n", ulli, ulli, ullir1, ulli + 2h, ulli, ullir2, -ulli - 2h, ulli, ullir3 );
     226        ulli = 0;
     227        ullir1 = floor2( ulli, ulli ), ullir2 = floor2( ulli + 2hh, ulli ), ullir3 = floor2( -ulli - 2hh, ulli );
     228        printf( "floor2(%llu, %llu) = %llu, floor2(%llu, %llu) = %llu, floor2(%llu, %llu) = %llu\n", ulli, ulli, ullir1, ulli + 2h, ulli, ullir2, -ulli - 2h, ulli, ullir3 );
    229229        for ( ulli = 1; ulli != 0; ulli <<= 1 ) {
    230230                ullir1 = floor2( ulli, ulli ); ullir2 = floor2( ulli + 2hh, ulli ); ullir3 = floor2( -ulli - 2hh, ulli );
    … …  
    312312
    313313        printf( "signed char\n" );
    314 //      sc = 0;
    315 //      scr1 = ceiling2( sc, sc ), scr2 = ceiling2( sc + 2hh, sc ), scr3 = ceiling2( -sc - 2hh, sc );
    316 //      printf( "ceiling2(%hhd, %hhd) = %hhd, ceiling2(%hhd, %hhd) = %hhd, ceiling2(%hhd, %hhd) = %hhd\n", sc, sc, scr1, sc + 2hh, sc, scr2, -sc - 2hh, sc, scr3 );
     314        sc = 0;
     315        scr1 = ceiling2( sc, sc ), scr2 = ceiling2( sc + 2hh, sc ), scr3 = ceiling2( -sc - 2hh, sc );
     316        printf( "ceiling2(%hhd, %hhd) = %hhd, ceiling2(%hhd, %hhd) = %hhd, ceiling2(%hhd, %hhd) = %hhd\n", sc, sc, scr1, sc + 2hh, sc, scr2, -sc - 2hh, sc, scr3 );
    317317        for ( sc = 1; sc != 0; sc <<= 1 ) {
    318318                scr1 = ceiling2( sc, sc ); scr2 = ceiling2( sc + 2hh, sc ); scr3 = ceiling2( -sc - 2hh, sc );
    … …  
    322322
    323323        printf( "unsigned char\n" );
    324 //      uc = 0;
    325 //      ucr1 = ceiling2( uc, uc ), ucr2 = ceiling2( uc + 2hh, uc ), ucr3 = ceiling2( -uc - 2hh, uc );
    326 //      printf( "ceiling2(%hhu, %hhu) = %hhu, ceiling2(%hhu, %hhu) = %hhu, ceiling2(%hhu, %hhu) = %hhu\n", uc, uc, ucr1, uc + 2uhh, uc, ucr2, -uc - 2uhh, uc, ucr3 );
     324        uc = 0;
     325        ucr1 = ceiling2( uc, uc ), ucr2 = ceiling2( uc + 2hh, uc ), ucr3 = ceiling2( -uc - 2hh, uc );
     326        printf( "ceiling2(%hhu, %hhu) = %hhu, ceiling2(%hhu, %hhu) = %hhu, ceiling2(%hhu, %hhu) = %hhu\n", uc, uc, ucr1, uc + 2uhh, uc, ucr2, -uc - 2uhh, uc, ucr3 );
    327327        for ( uc = 1; uc != 0; uc <<= 1 ) {
    328328                ucr1 = ceiling2( uc, uc ); ucr2 = ceiling2( uc + 2hh, uc ); ucr3 = ceiling2( -uc - 2hh, uc );
    … …  
    332332
    333333        printf( "short int\n" );
    334 //      si = 0;
    335 //      sir1 = ceiling2( si, si ), sir2 = ceiling2( si + 2hh, si ), sir3 = ceiling2( -si - 2hh, si );
    336 //      printf( "ceiling2(%hd, %hd) = %hd, ceiling2(%hd, %hd) = %hd, ceiling2(%hd, %hd) = %hd\n", si, si, sir1, si + 2h, si, sir2, -si - 2h, si, sir3 );
     334        si = 0;
     335        sir1 = ceiling2( si, si ), sir2 = ceiling2( si + 2hh, si ), sir3 = ceiling2( -si - 2hh, si );
     336        printf( "ceiling2(%hd, %hd) = %hd, ceiling2(%hd, %hd) = %hd, ceiling2(%hd, %hd) = %hd\n", si, si, sir1, si + 2h, si, sir2, -si - 2h, si, sir3 );
    337337        for ( si = 1; si != 0; si <<= 1 ) {
    338338                sir1 = ceiling2( si, si ); sir2 = ceiling2( si + 2hh, si ); sir3 = ceiling2( -si - 2hh, si );
    … …  
    342342
    343343        printf( "unsigned short int\n" );
    344 //      usi = 0;
    345 //      usir1 = ceiling2( usi, usi ), usir2 = ceiling2( usi + 2hh, usi ), usir3 = ceiling2( -usi - 2hh, usi );
    346 //      printf( "ceiling2(%hu, %hu) = %hu, ceiling2(%hu, %hu) = %hu, ceiling2(%hu, %hu) = %hu\n", usi, usi, usir1, usi + 2uh, usi, usir2, -usi - 2uh, usi, usir3 );
     344        usi = 0;
     345        usir1 = ceiling2( usi, usi ), usir2 = ceiling2( usi + 2hh, usi ), usir3 = ceiling2( -usi - 2hh, usi );
     346        printf( "ceiling2(%hu, %hu) = %hu, ceiling2(%hu, %hu) = %hu, ceiling2(%hu, %hu) = %hu\n", usi, usi, usir1, usi + 2uh, usi, usir2, -usi - 2uh, usi, usir3 );
    347347        for ( usi = 1; usi != 0; usi <<= 1 ) {
    348348                usir1 = ceiling2( usi, usi ); usir2 = ceiling2( usi + 2hh, usi ); usir3 = ceiling2( -usi - 2hh, usi );
    … …  
    352352
    353353        printf( "int\n" );
    354 //      i = 0;
    355 //      ir1 = ceiling2( i, i ), ir2 = ceiling2( i + 2hh, i ), ir3 = ceiling2( -i - 2hh, i );
    356 //      printf( "ceiling2(%d, %d) = %d, ceiling2(%d, %d) = %d, ceiling2(%d, %d) = %d\n", i, i, ir1, i + 2h, i, ir2, -i - 2h, i, ir3 );
     354        i = 0;
     355        ir1 = ceiling2( i, i ), ir2 = ceiling2( i + 2hh, i ), ir3 = ceiling2( -i - 2hh, i );
     356        printf( "ceiling2(%d, %d) = %d, ceiling2(%d, %d) = %d, ceiling2(%d, %d) = %d\n", i, i, ir1, i + 2h, i, ir2, -i - 2h, i, ir3 );
    357357        for ( i = 1; i != 0; i <<= 1 ) {
    358358                ir1 = ceiling2( i, i ); ir2 = ceiling2( i + 2hh, i ); ir3 = ceiling2( -i - 2hh, i );
    … …  
    362362
    363363        printf( "unsigned int\n" );
    364 //      ui = 0;
    365 //      uir1 = ceiling2( ui, ui ), uir2 = ceiling2( ui + 2hh, ui ), uir3 = ceiling2( -ui - 2hh, ui );
    366 //      printf( "ceiling2(%u, %u) = %u, ceiling2(%u, %u) = %u, ceiling2(%u, %u) = %u\n", ui, ui, uir1, ui + 2h, ui, uir2, -ui - 2h, ui, uir3 );
     364        ui = 0;
     365        uir1 = ceiling2( ui, ui ), uir2 = ceiling2( ui + 2hh, ui ), uir3 = ceiling2( -ui - 2hh, ui );
     366        printf( "ceiling2(%u, %u) = %u, ceiling2(%u, %u) = %u, ceiling2(%u, %u) = %u\n", ui, ui, uir1, ui + 2h, ui, uir2, -ui - 2h, ui, uir3 );
    367367        for ( ui = 1; ui != 0; ui <<= 1 ) {
    368368                uir1 = ceiling2( ui, ui ); uir2 = ceiling2( ui + 2hh, ui ); uir3 = ceiling2( -ui - 2hh, ui );
    … …  
    372372
    373373        printf( "long int\n" );
    374 //      li = 0;
    375 //      lir1 = ceiling2( li, li ), lir2 = ceiling2( li + 2hh, li ), lir3 = ceiling2( -li - 2hh, li );
    376 //      printf( "ceiling2(%ld, %ld) = %ld, ceiling2(%ld, %ld) = %ld, ceiling2(%ld, %ld) = %ld\n", li, li, lir1, li + 2h, li, lir2, -li - 2h, li, lir3 );
     374        li = 0;
     375        lir1 = ceiling2( li, li ), lir2 = ceiling2( li + 2hh, li ), lir3 = ceiling2( -li - 2hh, li );
     376        printf( "ceiling2(%ld, %ld) = %ld, ceiling2(%ld, %ld) = %ld, ceiling2(%ld, %ld) = %ld\n", li, li, lir1, li + 2h, li, lir2, -li - 2h, li, lir3 );
    377377        for ( li = 1; li != 0; li <<= 1 ) {
    378378                lir1 = ceiling2( li, li ); lir2 = ceiling2( li + 2hh, li ); lir3 = ceiling2( -li - 2hh, li );
    … …  
    382382
    383383        printf( "unsigned long int\n" );
    384 //      uli = 0;
    385 //      ulir1 = ceiling2( uli, uli ), ulir2 = ceiling2( uli + 2hh, uli ), ulir3 = ceiling2( -uli - 2hh, uli );
    386 //      printf( "ceiling2(%lu, %lu) = %lu, ceiling2(%lu, %lu) = %lu, ceiling2(%lu, %lu) = %lu\n", uli, uli, ulir1, uli + 2h, uli, ulir2, -uli - 2h, uli, ulir3 );
     384        uli = 0;
     385        ulir1 = ceiling2( uli, uli ), ulir2 = ceiling2( uli + 2hh, uli ), ulir3 = ceiling2( -uli - 2hh, uli );
     386        printf( "ceiling2(%lu, %lu) = %lu, ceiling2(%lu, %lu) = %lu, ceiling2(%lu, %lu) = %lu\n", uli, uli, ulir1, uli + 2h, uli, ulir2, -uli - 2h, uli, ulir3 );
    387387        for ( uli = 1; uli != 0; uli <<= 1 ) {
    388388                ulir1 = ceiling2( uli, uli ); ulir2 = ceiling2( uli + 2hh, uli ); ulir3 = ceiling2( -uli - 2hh, uli );
    … …  
    392392
    393393        printf( "long long int\n" );
    394 //      lli = 0;
    395 //      llir1 = ceiling2( lli, lli ), llir2 = ceiling2( lli + 2hh, lli ), llir3 = ceiling2( -lli - 2hh, lli );
    396 //      printf( "ceiling2(%lld, %lld) = %lld, ceiling2(%lld, %lld) = %lld, ceiling2(%lld, %lld) = %lld\n", lli, lli, llir1, lli + 2h, lli, llir2, -lli - 2h, lli, llir3 );
     394        lli = 0;
     395        llir1 = ceiling2( lli, lli ), llir2 = ceiling2( lli + 2hh, lli ), llir3 = ceiling2( -lli - 2hh, lli );
     396        printf( "ceiling2(%lld, %lld) = %lld, ceiling2(%lld, %lld) = %lld, ceiling2(%lld, %lld) = %lld\n", lli, lli, llir1, lli + 2h, lli, llir2, -lli - 2h, lli, llir3 );
    397397        for ( lli = 1; lli != 0; lli <<= 1 ) {
    398398                llir1 = ceiling2( lli, lli ); llir2 = ceiling2( lli + 2hh, lli ); llir3 = ceiling2( -lli - 2hh, lli );
    … …  
    402402
    403403        printf( "unsigned long long int\n" );
    404 //      ulli = 0;
    405 //      ullir1 = ceiling2( ulli, ulli ), ullir2 = ceiling2( ulli + 2hh, ulli ), ullir3 = ceiling2( -ulli - 2hh, ulli );
    406 //      printf( "ceiling2(%llu, %llu) = %llu, ceiling2(%llu, %llu) = %llu, ceiling2(%llu, %llu) = %llu\n", ulli, ulli, ullir1, ulli + 2h, ulli, ullir2, -ulli - 2h, ulli, ullir3 );
     404        ulli = 0;
     405        ullir1 = ceiling2( ulli, ulli ), ullir2 = ceiling2( ulli + 2hh, ulli ), ullir3 = ceiling2( -ulli - 2hh, ulli );
     406        printf( "ceiling2(%llu, %llu) = %llu, ceiling2(%llu, %llu) = %llu, ceiling2(%llu, %llu) = %llu\n", ulli, ulli, ullir1, ulli + 2h, ulli, ullir2, -ulli - 2h, ulli, ullir3 );
    407407        for ( ulli = 1; ulli != 0; ulli <<= 1 ) {
    408408                ullir1 = ceiling2( ulli, ulli ); ullir2 = ceiling2( ulli + 2hh, ulli ); ullir3 = ceiling2( -ulli - 2hh, ulli );
    409409                printf( "ceiling2(%llu, %llu) = %llu, ceiling2(%llu, %llu) = %llu, ceiling2(%llu, %llu) = %llu\n", ulli, ulli, ullir1, ulli + 2h, ulli, ullir2, -ulli - 2h, ulli, ullir3 );
    410         } // for
    411         printf( "\n" );
    412 #endif // 0
    413         //============================================================
    414 #if 1
    415         sout | nl | "ceiling_div" | nl | nl;
    416 
    417         printf( "signed char\n" );
    418         for ( sc = 1; sc != 0; sc <<= 1 ) {
    419                 scr1 = ceiling_div( sc, sc ); scr2 = ceiling_div( sc + 2hh, sc ); scr3 = ceiling_div( -sc - 2hh, sc );
    420                 printf( "ceiling_div(%hhd, %hhd) = %hhd, ceiling_div(%hhd, %hhd) = %hhd, ceiling_div(%hhd, %hhd) = %hhd\n", sc, sc, scr1, sc + 2hh, sc, scr2, -sc - 2hh, sc, scr3 );
    421         } // for
    422         printf( "\n" );
    423 
    424         printf( "unsigned char\n" );
    425         for ( uc = 1; uc != 0; uc <<= 1 ) {
    426                 ucr1 = ceiling_div( uc, uc ); ucr2 = ceiling_div( uc + 2hh, uc ); ucr3 = ceiling_div( -uc - 2hh, uc );
    427                 printf( "ceiling_div(%hhu, %hhu) = %hhu, ceiling_div(%hhu, %hhu) = %hhu, ceiling_div(%hhu, %hhu) = %hhu\n", uc, uc, ucr1, uc + 2uhh, uc, ucr2, -uc - 2uhh, uc, ucr3 );
    428         } // for
    429         printf( "\n" );
    430 
    431         printf( "short int\n" );
    432         for ( si = 1; si != 0; si <<= 1 ) {
    433                 sir1 = ceiling_div( si, si ); sir2 = ceiling_div( si + 2hh, si ); sir3 = ceiling_div( -si - 2hh, si );
    434                 printf( "ceiling_div(%hd, %hd) = %hd, ceiling_div(%hd, %hd) = %hd, ceiling_div(%hd, %hd) = %hd\n", si, si, sir1, si + 2h, si, sir2, -si - 2h, si, sir3 );
    435         } // for
    436         printf( "\n" );
    437 
    438         printf( "unsigned short int\n" );
    439         for ( usi = 1; usi != 0; usi <<= 1 ) {
    440                 usir1 = ceiling_div( usi, usi ); usir2 = ceiling_div( usi + 2hh, usi ); usir3 = ceiling_div( -usi - 2hh, usi );
    441                 printf( "ceiling_div(%hu, %hu) = %hu, ceiling_div(%hu, %hu) = %hu, ceiling_div(%hu, %hu) = %hu\n", usi, usi, usir1, usi + 2uh, usi, usir2, -usi - 2uh, usi, usir3 );
    442         } // for
    443         printf( "\n" );
    444 
    445         printf( "int\n" );
    446         for ( i = 1; i != 0; i <<= 1 ) {
    447                 ir1 = ceiling_div( i, i ); ir2 = ceiling_div( i + 2hh, i ); ir3 = ceiling_div( -i - 2hh, i );
    448                 printf( "ceiling_div(%d, %d) = %d, ceiling_div(%d, %d) = %d, ceiling_div(%d, %d) = %d\n", i, i, ir1, i + 2h, i, ir2, -i - 2h, i, ir3 );
    449         } // for
    450         printf( "\n" );
    451 
    452         printf( "unsigned int\n" );
    453         for ( ui = 1; ui != 0; ui <<= 1 ) {
    454                 uir1 = ceiling_div( ui, ui ); uir2 = ceiling_div( ui + 2hh, ui ); uir3 = ceiling_div( -ui - 2hh, ui );
    455                 printf( "ceiling_div(%u, %u) = %u, ceiling_div(%u, %u) = %u, ceiling_div(%u, %u) = %u\n", ui, ui, uir1, ui + 2h, ui, uir2, -ui - 2h, ui, uir3 );
    456         } // for
    457         printf( "\n" );
    458 
    459         printf( "long int\n" );
    460         for ( li = 1; li != 0; li <<= 1 ) {
    461                 lir1 = ceiling_div( li, li ); lir2 = ceiling_div( li + 2hh, li ); lir3 = ceiling_div( -li - 2hh, li );
    462                 printf( "ceiling_div(%ld, %ld) = %ld, ceiling_div(%ld, %ld) = %ld, ceiling_div(%ld, %ld) = %ld\n", li, li, lir1, li + 2h, li, lir2, -li - 2h, li, lir3 );
    463         } // for
    464         printf( "\n" );
    465 
    466         printf( "unsigned long int\n" );
    467         for ( uli = 1; uli != 0; uli <<= 1 ) {
    468                 ulir1 = ceiling_div( uli, uli ); ulir2 = ceiling_div( uli + 2hh, uli ); ulir3 = ceiling_div( -uli - 2hh, uli );
    469                 printf( "ceiling_div(%lu, %lu) = %lu, ceiling_div(%lu, %lu) = %lu, ceiling_div(%lu, %lu) = %lu\n", uli, uli, ulir1, uli + 2h, uli, ulir2, -uli - 2h, uli, ulir3 );
    470         } // for
    471         printf( "\n" );
    472 
    473         printf( "long long int\n" );
    474         for ( lli = 1; lli != 0; lli <<= 1 ) {
    475                 llir1 = ceiling_div( lli, lli ); llir2 = ceiling_div( lli + 2hh, lli ); llir3 = ceiling_div( -lli - 2hh, lli );
    476                 printf( "ceiling_div(%lld, %lld) = %lld, ceiling_div(%lld, %lld) = %lld, ceiling_div(%lld, %lld) = %lld\n", lli, lli, llir1, lli + 2h, lli, llir2, -lli - 2h, lli, llir3 );
    477         } // for
    478         printf( "\n" );
    479 
    480         printf( "unsigned long long int\n" );
    481         for ( ulli = 1; ulli != 0; ulli <<= 1 ) {
    482                 ullir1 = ceiling_div( ulli, ulli ); ullir2 = ceiling_div( ulli + 2hh, ulli ); ullir3 = ceiling_div( -ulli - 2hh, ulli );
    483                 printf( "ceiling_div(%llu, %llu) = %llu, ceiling_div(%llu, %llu) = %llu, ceiling_div(%llu, %llu) = %llu\n", ulli, ulli, ullir1, ulli + 2h, ulli, ullir2, -ulli - 2h, ulli, ullir3 );
    484410        } // for
    485411        printf( "\n" );
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