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iostream.cfa @ 4b78d25

Last change on this file since 4b78d25 was 0f107e4, checked in by Peter A. Buhr <pabuhr@…>, 14 months ago
add reading fixed strings, seperate skip input manipulator, getline checks for delimiter
Property mode set to `100644`
File size: 37.5 KB

Rev	Line
[86bd7c1f]	1	//
	2	// Cforall Version 1.0.0 Copyright (C) 2015 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	//
[b117e0c]	7	// iostream.cfa --
[86bd7c1f]	8	//
[90c3b1c]	9	// Author : Peter A. Buhr
[86bd7c1f]	10	// Created On : Wed May 27 17:56:53 2015
[e24f13a]	11	// Last Modified By : Peter A. Buhr
[0f107e4]	12	// Last Modified On : Sat Sep 2 14:42:01 2023
	13	// Update Count : 1561
[86bd7c1f]	14	//
[51b7345]	15
[58b6d1b]	16	#include "iostream.hfa"
[d3b7937]	17
[51b7345]	18	#include <stdio.h>
[53a6c2a]	19	#include <stdbool.h> // true/false
[e59e663]	20	#include <stdint.h> // UINT64_MAX
[6026628]	21	#include <float.h> // DBL_DIG, LDBL_DIG
	22	#include <complex.h> // creal, cimag
[aa25216]	23	//#include <stdio.h>
	24
[6026628]	25	extern "C" {
[44574f2]	26	extern size_t strlen (const char *__s) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
[3c573e9]	27	extern int strcmp (const char __s1, const char __s2) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
	28	extern char strcpy (char __restrict __dest, const char *__restrict __src) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
	29	extern void memcpy (void __restrict __dest, const void *__restrict __src, size_t __n) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
	30	} // extern "C"
[51b7345]	31
[7cfef0d]	32	#include "math.hfa" // isfinite, floor, ceiling_div
	33	#include "bitmanip.hfa" // high1
[7fd71c7]	34
[cce4648]	35	#pragma GCC visibility push(default)
[61c7239]	36
[94d2544]	37
[8d321f9]	38	// ********************************* ostream *********************************
[61c7239]	39
	40
[85d8153]	41	forall( ostype & \| basic_ostream( ostype ) ) {
[93c2e0a]	42	ostype & ?\|?( ostype & os, bool b ) {
[6c5d92f]	43	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[3ce0d440]	44	fmt( os, "%s", b ? "true" : "false" );
	45	return os;
	46	} // ?\|?
[94d2544]	47	OSTYPE_VOID_IMPL( bool )
[51b7345]	48
[200fcb3]	49	ostype & ?\|?( ostype & os, char c ) {
	50	fmt( os, "%c", c );
[6c5d92f]	51	if ( c == '\n' ) setNL$( os, true );
[f5d9c37]	52	return nosep( os );
[200fcb3]	53	} // ?\|?
[94d2544]	54	OSTYPE_VOID_IMPL( char )
[3ce0d440]	55
[200fcb3]	56	ostype & ?\|?( ostype & os, signed char sc ) {
[6c5d92f]	57	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	58	fmt( os, "%'hhd", sc );
[3ce0d440]	59	return os;
	60	} // ?\|?
[94d2544]	61	OSTYPE_VOID_IMPL( signed char )
[3ce0d440]	62
[200fcb3]	63	ostype & ?\|?( ostype & os, unsigned char usc ) {
[6c5d92f]	64	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	65	fmt( os, "%'hhu", usc );
[3ce0d440]	66	return os;
	67	} // ?\|?
[94d2544]	68	OSTYPE_VOID_IMPL( unsigned char )
[3ce0d440]	69
	70	ostype & ?\|?( ostype & os, short int si ) {
[6c5d92f]	71	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	72	fmt( os, "%'hd", si );
[3ce0d440]	73	return os;
	74	} // ?\|?
[94d2544]	75	OSTYPE_VOID_IMPL( short int )
[3ce0d440]	76
	77	ostype & ?\|?( ostype & os, unsigned short int usi ) {
[6c5d92f]	78	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	79	fmt( os, "%'hu", usi );
[3ce0d440]	80	return os;
	81	} // ?\|?
[94d2544]	82	OSTYPE_VOID_IMPL( unsigned short int )
[3ce0d440]	83
	84	ostype & ?\|?( ostype & os, int i ) {
[6c5d92f]	85	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	86	fmt( os, "%'d", i );
[3ce0d440]	87	return os;
	88	} // ?\|?
[94d2544]	89	OSTYPE_VOID_IMPL( int )
[3ce0d440]	90
	91	ostype & ?\|?( ostype & os, unsigned int ui ) {
[6c5d92f]	92	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	93	fmt( os, "%'u", ui );
[3ce0d440]	94	return os;
	95	} // ?\|?
[94d2544]	96	OSTYPE_VOID_IMPL( unsigned int )
[3ce0d440]	97
	98	ostype & ?\|?( ostype & os, long int li ) {
[6c5d92f]	99	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	100	fmt( os, "%'ld", li );
[3ce0d440]	101	return os;
	102	} // ?\|?
[94d2544]	103	OSTYPE_VOID_IMPL( long int )
[3ce0d440]	104
	105	ostype & ?\|?( ostype & os, unsigned long int uli ) {
[6c5d92f]	106	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	107	fmt( os, "%'lu", uli );
[3ce0d440]	108	return os;
	109	} // ?\|?
[94d2544]	110	OSTYPE_VOID_IMPL( unsigned long int )
[3ce0d440]	111
	112	ostype & ?\|?( ostype & os, long long int lli ) {
[6c5d92f]	113	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	114	fmt( os, "%'lld", lli );
[3ce0d440]	115	return os;
	116	} // ?\|?
[94d2544]	117	OSTYPE_VOID_IMPL( long long int )
[3ce0d440]	118
	119	ostype & ?\|?( ostype & os, unsigned long long int ulli ) {
[6c5d92f]	120	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	121	fmt( os, "%'llu", ulli );
[3ce0d440]	122	return os;
	123	} // ?\|?
[94d2544]	124	OSTYPE_VOID_IMPL( unsigned long long int )
[3ce0d440]	125
[ef3ac46]	126	#if defined( __SIZEOF_INT128__ )
[bd5b443]	127	// UINT64_MAX 18_446_744_073_709_551_615_ULL
	128	#define P10_UINT64 10_000_000_000_000_000_000_ULL // 19 zeroes
	129
[ffa48a8]	130	static inline void base10_128( ostype & os, unsigned int128 val ) {
[ef3ac46]	131	#if defined(__GNUC__) && __GNUC_PREREQ(7,0) // gcc version >= 7
[2c60c644]	132	if ( val > P10_UINT64 ) {
[ef3ac46]	133	#else
[ffa48a8]	134	if ( (uint64_t)(val >> 64) != 0 \|\| (uint64_t)val > P10_UINT64 ) { // patch gcc 5 & 6 -O3 bug
[ef3ac46]	135	#endif // __GNUC_PREREQ(7,0)
[bd5b443]	136	base10_128( os, val / P10_UINT64 ); // recursive
	137	fmt( os, "%.19lu", (uint64_t)(val % P10_UINT64) );
	138	} else {
	139	fmt( os, "%lu", (uint64_t)val );
	140	} // if
	141	} // base10_128
	142
[ffa48a8]	143	static inline void base10_128( ostype & os, int128 val ) {
[bd5b443]	144	if ( val < 0 ) {
	145	fmt( os, "-" ); // leading negative sign
	146	val = -val;
	147	} // if
	148	base10_128( os, (unsigned int128)val ); // print zero/positive value
	149	} // base10_128
	150
	151	ostype & ?\|?( ostype & os, int128 llli ) {
[6c5d92f]	152	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[bd5b443]	153	base10_128( os, llli );
	154	return os;
	155	} // ?\|?
[94d2544]	156	OSTYPE_VOID_IMPL( int128 )
[bd5b443]	157
	158	ostype & ?\|?( ostype & os, unsigned int128 ullli ) {
[6c5d92f]	159	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[bd5b443]	160	base10_128( os, ullli );
	161	return os;
	162	} // ?\|?
[94d2544]	163	OSTYPE_VOID_IMPL( unsigned int128 )
[ef3ac46]	164	#endif // __SIZEOF_INT128__
[bd5b443]	165
[94d2544]	166	#define PRINT_WITH_DP( os, format, val, ... ) \
[e63326b]	167	{ \
	168	enum { size = 48 }; \
	169	char buf[size]; \
	170	int len = snprintf( buf, size, format, ##__VA_ARGS__, val ); \
	171	fmt( os, "%s", buf ); \
[fd4c009]	172	if ( isfinite( val ) ) { /* if number, print decimal point when no fraction or exponent */ \
[f6a4917]	173	for ( i; 0 ~ @ ) { \
[e63326b]	174	if ( i == len ) { fmt( os, "." ); break; } \
[09a767e]	175	if ( buf[i] == '.' \|\| buf[i] == 'e' \|\| buf[i] == 'E' \|\| \
	176	buf[i] == 'p' \|\| buf[i] == 'P' ) break; /* decimal point or scientific ? */ \
[e63326b]	177	} /* for */ \
	178	} /* if */ \
	179	}
[b2ac656]	180
[3ce0d440]	181	ostype & ?\|?( ostype & os, float f ) {
[6c5d92f]	182	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[94d2544]	183	PRINT_WITH_DP( os, "%'g", f );
[3ce0d440]	184	return os;
	185	} // ?\|?
[94d2544]	186	OSTYPE_VOID_IMPL( float )
[3ce0d440]	187
	188	ostype & ?\|?( ostype & os, double d ) {
[6c5d92f]	189	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[94d2544]	190	PRINT_WITH_DP( os, "%'.*lg", d, DBL_DIG );
[3ce0d440]	191	return os;
	192	} // ?\|?
[94d2544]	193	OSTYPE_VOID_IMPL( double )
[3ce0d440]	194
	195	ostype & ?\|?( ostype & os, long double ld ) {
[6c5d92f]	196	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[94d2544]	197	PRINT_WITH_DP( os, "%'.*Lg", ld, LDBL_DIG );
[3ce0d440]	198	return os;
	199	} // ?\|?
[94d2544]	200	OSTYPE_VOID_IMPL( long double )
[3ce0d440]	201
	202	ostype & ?\|?( ostype & os, float _Complex fc ) {
[6c5d92f]	203	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[b2ac656]	204	// os \| crealf( fc ) \| nonl;
[94d2544]	205	PRINT_WITH_DP( os, "%'g", crealf( fc ) );
	206	PRINT_WITH_DP( os, "%'+g", cimagf( fc ) );
[3c5dee4]	207	fmt( os, "i" );
[3ce0d440]	208	return os;
	209	} // ?\|?
[94d2544]	210	OSTYPE_VOID_IMPL( float _Complex )
[3ce0d440]	211
	212	ostype & ?\|?( ostype & os, double _Complex dc ) {
[6c5d92f]	213	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[b2ac656]	214	// os \| creal( dc ) \| nonl;
[94d2544]	215	PRINT_WITH_DP( os, "%'.*lg", creal( dc ), DBL_DIG );
	216	PRINT_WITH_DP( os, "%'+.*lg", cimag( dc ), DBL_DIG );
[3c5dee4]	217	fmt( os, "i" );
[3ce0d440]	218	return os;
	219	} // ?\|?
[94d2544]	220	OSTYPE_VOID_IMPL( double _Complex )
[3ce0d440]	221
	222	ostype & ?\|?( ostype & os, long double _Complex ldc ) {
[6c5d92f]	223	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[b2ac656]	224	// os \| creall( ldc ) \|\| nonl;
[94d2544]	225	PRINT_WITH_DP( os, "%'.*Lg", creall( ldc ), LDBL_DIG );
	226	PRINT_WITH_DP( os, "%'+.*Lg", cimagl( ldc ), LDBL_DIG );
[3c5dee4]	227	fmt( os, "i" );
[3ce0d440]	228	return os;
	229	} // ?\|?
[94d2544]	230	OSTYPE_VOID_IMPL( long double _Complex )
[3ce0d440]	231
[e474cf09]	232	ostype & ?\|?( ostype & os, const char s[] ) {
[3ce0d440]	233	enum { Open = 1, Close, OpenClose };
[28c2933]	234	static const unsigned char mask[256] @= { // 256 covers all Latin-1 characters
[3ce0d440]	235	// opening delimiters, no space after
	236	['('] : Open, ['['] : Open, ['{'] : Open,
[ad72c8b]	237	['='] : Open, ['$'] : Open, [(unsigned char)'£'] : Open, [(unsigned char)'¥'] : Open,
	238	[(unsigned char)'¡'] : Open, [(unsigned char)'¿'] : Open, [(unsigned char)'«'] : Open,
[3ce0d440]	239	// closing delimiters, no space before
	240	[','] : Close, ['.'] : Close, [';'] : Close, ['!'] : Close, ['?'] : Close,
[ad72c8b]	241	['%'] : Close, [(unsigned char)'¢'] : Close, [(unsigned char)'»'] : Close,
[3ce0d440]	242	[')'] : Close, [']'] : Close, ['}'] : Close,
	243	// opening-closing delimiters, no space before or after
	244	['\''] : OpenClose, ['`'] : OpenClose, ['"'] : OpenClose, [':'] : OpenClose,
	245	[' '] : OpenClose, ['\f'] : OpenClose, ['\n'] : OpenClose, ['\r'] : OpenClose, ['\t'] : OpenClose, ['\v'] : OpenClose, // isspace
	246	}; // mask
	247
[6a33e40]	248	if ( s == 0p ) { fmt( os, "%s", "0p" ); return os; } // null pointer
[f5d9c37]	249	if ( s[0] == '\0' ) { nosep( os ); return os; } // null string => no leading/trailing separator
[3ce0d440]	250
	251	// first character IS NOT spacing or closing punctuation => add left separator
[e474cf09]	252	unsigned char ch = s[0]; // must make unsigned
[6c5d92f]	253	if ( sepPrt$( os ) && mask[ ch ] != Close && mask[ ch ] != OpenClose ) {
	254	fmt( os, "%s", sepGetCur$( os ) );
[3ce0d440]	255	} // if
	256
	257	// if string starts line, must reset to determine open state because separator is off
[6c5d92f]	258	sepReset$( os ); // reset separator
[3ce0d440]	259
	260	// last character IS spacing or opening punctuation => turn off separator for next item
[85d8153]	261	int len = strlen( s );
[e474cf09]	262	ch = s[len - 1]; // must make unsigned
[85d8153]	263	fmt( os, "%s", s ); // fmt resets seperator, but reset it again
[6c5d92f]	264	if ( sepPrt$( os ) && mask[ ch ] != Open && mask[ ch ] != OpenClose ) {
[f5d9c37]	265	sep( os );
[3ce0d440]	266	} else {
[f5d9c37]	267	nosep( os );
[3ce0d440]	268	} // if
[6c5d92f]	269	if ( ch == '\n' ) setNL$( os, true ); // check AFTER sepPrt$ call above as it resets NL flag
[85d8153]	270	return os;
	271	// return write( os, s, len );
[3ce0d440]	272	} // ?\|?
[94d2544]	273	OSTYPE_VOID_IMPL( const char * )
[3ce0d440]	274
[e7a8f65]	275	// ostype & ?\|?( ostype & os, const char16_t s[] ) {
[6c5d92f]	276	// if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[e474cf09]	277	// fmt( os, "%ls", s );
[3ce0d440]	278	// return os;
	279	// } // ?\|?
[d3b7937]	280
[3ce0d440]	281	// #if ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) // char32_t == wchar_t => ambiguous
[e7a8f65]	282	// ostype & ?\|?( ostype & os, const char32_t s[] ) {
[6c5d92f]	283	// if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[e474cf09]	284	// fmt( os, "%ls", s );
[3ce0d440]	285	// return os;
	286	// } // ?\|?
	287	// #endif // ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 )
[d3b7937]	288
[e7a8f65]	289	// ostype & ?\|?( ostype & os, const wchar_t s[] ) {
[6c5d92f]	290	// if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[e474cf09]	291	// fmt( os, "%ls", s );
[3ce0d440]	292	// return os;
	293	// } // ?\|?
	294
	295	ostype & ?\|?( ostype & os, const void * p ) {
[6c5d92f]	296	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[3ce0d440]	297	fmt( os, "%p", p );
	298	return os;
	299	} // ?\|?
[94d2544]	300	OSTYPE_VOID_IMPL( const void * )
[3ce0d440]	301
	302	// manipulators
	303	ostype & ?\|?( ostype & os, ostype & (* manip)( ostype & ) ) {
[e474cf09]	304	return manip( os );
[200fcb3]	305	} // ?\|?
	306	void ?\|?( ostype & os, ostype & (* manip)( ostype & ) ) {
[e474cf09]	307	manip( os );
[6c5d92f]	308	if ( getPrt$( os ) ) ends( os ); // something printed ?
	309	setPrt$( os, false ); // turn off
[3ce0d440]	310	} // ?\|?
	311
[200fcb3]	312	ostype & nl( ostype & os ) {
[9d362a0]	313	(ostype &)(os \| '\n');
[6c5d92f]	314	setPrt$( os, false ); // turn off
	315	setNL$( os, true );
[f5d9c37]	316	return nosep( os ); // prepare for next line
[200fcb3]	317	} // nl
	318
	319	ostype & nonl( ostype & os ) {
[6c5d92f]	320	setPrt$( os, false ); // turn off
[3ce0d440]	321	return os;
[200fcb3]	322	} // nonl
[3ce0d440]	323
[f5d9c37]	324	ostype & nlOn( ostype & os ) {
	325	nlOn( os ); // call void returning
[3ce0d440]	326	return os;
[f5d9c37]	327	} // nlOn
[3ce0d440]	328
[f5d9c37]	329	ostype & nlOff( ostype & os ) {
	330	nlOff( os ); // call void returning
[3ce0d440]	331	return os;
[f5d9c37]	332	} // nlOff
[6de9f4a]	333
[f5d9c37]	334	ostype & sepVal( ostype & os ) {
	335	return (ostype &)(os \| sepGet( os ));
	336	} // sepVal
	337
	338	ostype & sepTupleVal( ostype & os ) {
	339	return os \| sepGetTuple( os );
	340	} // sepTupleVal
	341
	342	ostype & sep( ostype & os ) {
	343	sep( os ); // call void returning
[3ce0d440]	344	return os;
[f5d9c37]	345	} // sep
[b6dc097]	346
[f5d9c37]	347	ostype & nosep( ostype & os ) {
	348	nosep( os ); // call void returning
[3ce0d440]	349	return os;
[f5d9c37]	350	} // nosep
[cf16f94]	351
[f5d9c37]	352	ostype & sepOn( ostype & os ) {
	353	sepOn( os ); // call void returning
[200fcb3]	354	return os;
[f5d9c37]	355	} // sepOn
[200fcb3]	356
[f5d9c37]	357	ostype & sepOff( ostype & os ) {
	358	sepOff( os ); // call void returning
[200fcb3]	359	return os;
[f5d9c37]	360	} // sepOff
[85d8153]	361	} // distribution
[e474cf09]	362
[c443d1d]	363	// tuples
[fd54fef]	364	forall( ostype &, T, Params... \| writeable( T, ostype ) \| { ostype & ?\|?( ostype &, Params ); } ) {
[200fcb3]	365	ostype & ?\|?( ostype & os, T arg, Params rest ) {
[9d362a0]	366	(ostype &)(os \| arg); // print first argument
[6c5d92f]	367	sepSetCur$( os, sepGetTuple( os ) ); // switch to tuple separator
[9d362a0]	368	(ostype &)(os \| rest); // print remaining arguments
[6c5d92f]	369	sepSetCur$( os, sepGet( os ) ); // switch to regular separator
[200fcb3]	370	return os;
	371	} // ?\|?
	372	void ?\|?( ostype & os, T arg, Params rest ) {
[65240bb]	373	// (ostype &)(?\|?( os, arg, rest )); ends( os );
[9d362a0]	374	(ostype &)(os \| arg); // print first argument
[6c5d92f]	375	sepSetCur$( os, sepGetTuple( os ) ); // switch to tuple separator
[9d362a0]	376	(ostype &)(os \| rest); // print remaining arguments
[6c5d92f]	377	sepSetCur$( os, sepGet( os ) ); // switch to regular separator
[65240bb]	378	ends( os );
[200fcb3]	379	} // ?\|?
	380	} // distribution
[c443d1d]	381
[61c7239]	382	// writes the range [begin, end) to the given stream
[fd54fef]	383	forall( ostype &, elt_type \| writeable( elt_type, ostype ), iterator_type \| iterator( iterator_type, elt_type ) ) {
[61c7239]	384	void write( iterator_type begin, iterator_type end, ostype & os ) {
	385	void print( elt_type i ) { os \| i; }
	386	for_each( begin, end, print );
	387	} // ?\|?
	388
	389	void write_reverse( iterator_type begin, iterator_type end, ostype & os ) {
	390	void print( elt_type i ) { os \| i; }
	391	for_each_reverse( begin, end, print );
	392	} // ?\|?
	393	} // distribution
	394
[8d321f9]	395	// ********************************* manipulators *********************************
[3c573e9]	396
[8d321f9]	397	// ********************************* integral *********************************
[3c573e9]	398
	399	static const char * shortbin[] = { "0", "1", "10", "11", "100", "101", "110", "111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111" };
	400	static const char * longbin[] = { "0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111" };
	401
	402	// Default prefix for non-decimal prints is 0b, 0, 0x.
[94d2544]	403	#define INTEGRAL_FMT_IMPL( T, IFMTNP, IFMTP ) \
[85d8153]	404	forall( ostype & \| basic_ostream( ostype ) ) { \
[3c573e9]	405	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ) { \
[6c5d92f]	406	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); \
[3c573e9]	407	\
	408	if ( f.base == 'b' \|\| f.base == 'B' ) { /* bespoke binary format */ \
[7fd71c7]	409	int bits = high1( f.val ); /* position of most significant bit */ \
	410	if ( bits == 0 ) bits = 1; /* 0 value => force one bit to print */ \
[c7978c0]	411	int spaces; \
[3c573e9]	412	if ( ! f.flags.left ) { /* right justified ? */ \
	413	/* Note, base prefix then zero padding or spacing then prefix. */ \
[c7978c0]	414	if ( f.flags.pc ) { \
	415	spaces = f.wd - f.pc; \
	416	if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \
	417	if ( spaces > 0 ) fmt( os, "%s", spaces, " " ); / space pad */ \
[3c573e9]	418	if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \
[c7978c0]	419	spaces = f.pc - bits; \
[3c573e9]	420	if ( spaces > 0 ) fmt( os, "%0d", spaces, 0 ); / zero pad */ \
	421	} else { \
[c7978c0]	422	spaces = f.wd - bits; \
	423	if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \
	424	if ( f.flags.pad0 ) { \
	425	if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \
	426	if ( spaces > 0 ) fmt( os, "%0d", spaces, 0 ); / zero pad */ \
	427	} else { \
	428	if ( spaces > 0 ) fmt( os, "%s", spaces, " " ); / space pad */ \
	429	if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \
	430	} /* if */ \
	431	} /* if */ \
	432	} else { \
	433	if ( ! f.flags.nobsdp ) fmt( os, "0%c", f.base ); \
	434	if ( f.flags.pc ) { \
	435	spaces = f.pc - bits; \
	436	if ( spaces > 0 ) fmt( os, "%0d", spaces, 0 ); / zero pad */ \
	437	spaces = f.wd - f.pc; \
	438	} else { /* pad0 flag ignored with left flag */ \
	439	spaces = f.wd - bits; \
[3c573e9]	440	} /* if */ \
[c7978c0]	441	if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \
[3c573e9]	442	} /* if */ \
[fd4d3017]	443	int shift = floor( bits - 1, 4 ); \
[3c573e9]	444	typeof( f.val ) temp = f.val; \
	445	fmt( os, "%s", shortbin[(temp >> shift) & 0xf] ); \
	446	for () { \
	447	shift -= 4; \
	448	if ( shift < 0 ) break; \
	449	temp = f.val; \
	450	fmt( os, "%s", longbin[(temp >> shift) & 0xf] ); \
	451	} /* for */ \
	452	if ( f.flags.left && spaces > 0 ) fmt( os, "%*s", spaces, " " ); \
	453	return os; \
[2c60c644]	454	} /* if */ \
[3c573e9]	455	\
	456	char fmtstr[sizeof(IFMTP)]; /* sizeof includes '\0' */ \
	457	if ( ! f.flags.pc ) memcpy( &fmtstr, IFMTNP, sizeof(IFMTNP) ); \
	458	else memcpy( &fmtstr, IFMTP, sizeof(IFMTP) ); \
[0c51f9ad]	459	int star = 5; /* position before first '' / \
[3c573e9]	460	\
	461	/* Insert flags into spaces before '', from right to left. / \
	462	if ( ! f.flags.nobsdp ) { fmtstr[star] = '#'; star -= 1; } \
	463	if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } \
[2c60c644]	464	if ( f.flags.sign ) { fmtstr[star] = '+'; star -= 1; } \
[3c573e9]	465	if ( f.flags.pad0 && ! f.flags.pc ) { fmtstr[star] = '0'; star -= 1; } \
[0c51f9ad]	466	fmtstr[star] = '\''; star -= 1; /* locale */ \
[3c573e9]	467	fmtstr[star] = '%'; \
[09a767e]	468	\
	469	/* Special case printing 0 in hexadecimal as printf does not put the base. */ \
	470	if ( (f.base == 'x' \| f.base == 'X') && ! f.flags.nobsdp && f.val == 0 ) { \
	471	fmt( os, f.base == 'x' ? "0x" : "0X" ); \
	472	f.wd -= 2; \
	473	if ( f.wd < 0 ) f.wd = 1; \
	474	} /* if */ \
[3c573e9]	475	\
	476	if ( ! f.flags.pc ) { /* no precision */ \
	477	fmtstr[sizeof(IFMTNP)-2] = f.base; /* sizeof includes '\0' */ \
[2c60c644]	478	/* printf( "%s %c\n", &fmtstr[star], f.base ); */ \
[3c573e9]	479	fmt( os, &fmtstr[star], f.wd, f.val ); \
	480	} else { /* precision */ \
	481	fmtstr[sizeof(IFMTP)-2] = f.base; /* sizeof includes '\0' */ \
[2c60c644]	482	/* printf( "%s %c\n", &fmtstr[star], f.base ); */ \
[3c573e9]	483	fmt( os, &fmtstr[star], f.wd, f.pc, f.val ); \
	484	} /* if */ \
	485	return os; \
	486	} /* ?\|? */ \
[94d2544]	487	OSTYPE_VOID_IMPL( _Ostream_Manip(T) ) \
[3c573e9]	488	} // distribution
	489
[94d2544]	490	INTEGRAL_FMT_IMPL( signed char, " hh ", " .*hh " )
	491	INTEGRAL_FMT_IMPL( unsigned char, " hh ", " .*hh " )
	492	INTEGRAL_FMT_IMPL( signed short int, " h ", " .*h " )
	493	INTEGRAL_FMT_IMPL( unsigned short int, " h ", " .*h " )
	494	INTEGRAL_FMT_IMPL( signed int, " * ", " . " )
	495	INTEGRAL_FMT_IMPL( unsigned int, " * ", " . " )
	496	INTEGRAL_FMT_IMPL( signed long int, " l ", " .*l " )
	497	INTEGRAL_FMT_IMPL( unsigned long int, " l ", " .*l " )
	498	INTEGRAL_FMT_IMPL( signed long long int, " ll ", " .*ll " )
	499	INTEGRAL_FMT_IMPL( unsigned long long int, " ll ", " .*ll " )
[bd5b443]	500
[2c60c644]	501
	502	#if defined( __SIZEOF_INT128__ )
	503	// Default prefix for non-decimal prints is 0b, 0, 0x.
[85d8153]	504	forall( ostype & \| basic_ostream( ostype ) )
[2c60c644]	505	static inline void base_128( ostype & os, unsigned int128 val, unsigned int128 power, _Ostream_Manip(uint64_t) & f, unsigned int maxdig, unsigned int bits, unsigned int cnt = 0 ) {
	506	int wd = 1; // f.wd is never 0 because 0 implies left-pad
	507	if ( val > power ) { // subdivide value into printable 64-bit values
	508	base_128( os, val / power, power, f, maxdig, bits, cnt + 1 ); // recursive
	509	f.val = val % power;
[ac9ba12]	510	if ( cnt == 1 && f.flags.left ) { wd = f.wd; f.wd = maxdig; } // copy f.wd and reset for printing middle chunk
[7d9bbef]	511	// printf( "R val:%#lx(%lu) wd:%u pc:%u base:%c neg:%d pc:%d left:%d nobsdp:%d sign:%d pad0:%d\n",
	512	// f.val, f.val, f.wd, f.pc, f.base, f.flags.neg, f.flags.pc, f.flags.left, f.flags.nobsdp, f.flags.sign, f.flags.pad0 );
[2c60c644]	513	(ostype &)(os \| f);
	514	if ( cnt == 1 ) {
[ac9ba12]	515	if ( f.flags.left ) { wd -= maxdig; f.wd = wd < 0 ? 1 : wd; } // update and restore f.wd for printing end chunk
[f5d9c37]	516	nosep( os ); // no seperator between chunks
[2c60c644]	517	} // if
[ac9ba12]	518	} else { // print start chunk
[2c60c644]	519	f.val = val;
	520	// f.pc is unsigned => use wd
	521	if ( f.flags.pc && f.pc > maxdig * cnt ) { wd = f.pc - maxdig * cnt; f.pc = wd < 0 ? 0 : wd; }
	522	else { f.flags.pc = false; f.pc = 0; }
	523
	524	if ( ! f.flags.left ) { // right justify
	525	wd = f.wd - maxdig * cnt;
	526	f.wd = wd < 0 ? 1 : wd;
	527	wd = maxdig;
	528	} else { // left justify
	529	if ( cnt != 0 ) { // value >= 2^64 ?
	530	unsigned int dig, bs = 0;
[ac9ba12]	531	// compute size of prefix digits and base
[2c60c644]	532	if ( f.base == 'd' \|\| f.base == 'u' ) { // no base prefix
	533	dig = ceil( log10( f.val ) ); // use floating-point
	534	if ( f.base == 'd' && (f.flags.neg \|\| f.flags.sign) ) bs = 1; // sign ?
	535	} else {
[53fd995]	536	dig = ceiling_div( high1( f.val ), bits );
[2c60c644]	537	if ( ! f.flags.nobsdp ) { // base prefix ?
	538	if ( f.base == 'o' ) {
	539	// 0 prefix for octal is not added for precision with leading zero
	540	if ( f.pc <= dig ) bs = 1; // 1 character prefix
	541	} else bs = 2; // 2 character prefix
	542	} // if
	543	} // if
	544	wd = f.wd - (f.pc > dig ? f.pc : dig) - bs; // precision > leading digits ?
	545	if ( wd < 0 ) wd = 1;
	546	f.wd = 1;
	547	} // if
	548	// all manipulators handled implicitly for value < 2^64
	549	} // if
	550	// prior checks ensure wd not negative
	551
	552	if ( f.flags.neg ) f.val = -f.val;
[7d9bbef]	553	// printf( "L val:%#lx(%lu) wd:%u pc:%u base:%c neg:%d pc:%d left:%d nobsdp:%d sign:%d pad0:%d\n",
	554	// f.val, f.val, f.wd, f.pc, f.base, f.flags.neg, f.flags.pc, f.flags.left, f.flags.nobsdp, f.flags.sign, f.flags.pad0 );
[2c60c644]	555	(ostype &)(os \| f);
	556
[ac9ba12]	557	// remaining middle and end chunks are padded with 0s on the left
[2c60c644]	558	if ( ! f.flags.left ) { f.flags.pad0 = true; f.flags.pc = false; } // left pad with 0s
	559	else { f.pc = maxdig; f.flags.pc = true; } // left pad with precision
[ac9ba12]	560
[f5d9c37]	561	if ( cnt != 0 ) nosep( os ); // no seperator between chunks
[ac9ba12]	562	f.wd = wd; // reset f.wd for next chunk
	563	f.flags.sign = false; // no leading +/- sign
	564	f.flags.nobsdp = true; // no leading base prefix
[2c60c644]	565	} // if
	566	} // base_128
	567
[94d2544]	568	#define INTEGRAL_FMT_IMPL128( T ) \
[85d8153]	569	forall( ostype & \| basic_ostream( ostype ) ) { \
[2c60c644]	570	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ) { \
	571	_Ostream_Manip(uint64_t) fmt; \
	572	fmt.[wd, pc, base, all] = f.[wd, pc, base, all]; \
	573	if ( f.base == 'b' \| f.base == 'B' ) { \
	574	base_128( os, f.val, (unsigned int128)1 << 64, fmt, 64, 1 ); \
	575	} else if ( f.base == 'o' ) { \
	576	base_128( os, f.val, (unsigned int128)1 << 63, fmt, 21, 3 ); \
	577	} else if ( f.base == 'd' \|\| f.base == 'u' ) { \
	578	if ( f.base == 'd' && f.val < 0 ) { f.val = -f.val; fmt.flags.neg = true; } \
	579	base_128( os, f.val, (unsigned int128)10_000_000_000_000_000_000UL, fmt, 19, 0 ); \
	580	} else { \
	581	base_128( os, f.val, (unsigned int128)1 << 64, fmt, 16, 4 ); \
	582	} /* if */ \
	583	return os; \
	584	} /* ?\|? */ \
[94d2544]	585	OSTYPE_VOID_IMPL( _Ostream_Manip(T) ) \
[2c60c644]	586	} // distribution
	587
[94d2544]	588	INTEGRAL_FMT_IMPL128( int128 )
	589	INTEGRAL_FMT_IMPL128( unsigned int128 )
[2c60c644]	590	#endif // __SIZEOF_INT128__
[bd5b443]	591
[8d321f9]	592	// ********************************* floating point *********************************
[3c573e9]	593
[fd4c009]	594	static const char *suffixes[] = {
	595	"y", "z", "a", "f", "p", "n", "u", "m", "",
	596	"K", "M", "G", "T", "P", "E", "Z", "Y"
	597	};
	598	#define SUFFIXES_START (-24) /* Smallest power for which there is a suffix defined. */
	599	#define SUFFIXES_END (SUFFIXES_START + (int)((sizeof(suffixes) / sizeof(char ) - 1) 3))
	600
[94d2544]	601	#define PRINT_WITH_DP2( os, format, ... ) \
[3c573e9]	602	{ \
[fd4c009]	603	if ( ! f.flags.eng ) { \
	604	len = snprintf( buf, size, format, ##__VA_ARGS__ ); \
[bcbc7e4]	605	if ( isfinite( f.val ) && ! f.flags.nobsdp ) { /* if number, print decimal point when no fraction or exponent */ \
[09a767e]	606	for ( i = 0; i < len && buf[i] != '.' && buf[i] != 'e' && buf[i] != 'E' && \
[bcbc7e4]	607	buf[i] != 'p' && buf[i] != 'P'; i += 1 ); /* decimal point or scientific ? */ \
[fd4c009]	608	if ( i == len ) { \
	609	if ( ! f.flags.left ) { \
	610	buf[i] = '.'; buf[i + 1] = '\0'; \
	611	if ( buf[0] == ' ' ) bufbeg = 1; /* decimal point within width */ \
	612	} else { \
	613	for ( i = 0; i < len && buf[i] != ' '; i += 1 ); /* trailing blank ? */ \
	614	buf[i] = '.'; \
	615	if ( i == len ) buf[i + 1] = '\0'; \
	616	} /* if */ \
[3c573e9]	617	} /* if */ \
	618	} /* if */ \
[fd4c009]	619	} else { \
	620	int exp10, len2; \
	621	eng( f.val, f.pc, exp10 ); /* changes arguments */ \
[b1e614f4]	622	/* printf( "%g %d %d %d %s\n", f.val, f.wd, f.pc, exp10, format ); */ \
[fd4c009]	623	if ( ! f.flags.left && f.wd > 1 ) { \
[b1e614f4]	624	/* Exponent size: 'e', optional minus sign, number of digits: log10(0) => undefined */ \
	625	f.wd -= 1 + (exp10 < 0 ? 1 : 0) + lrint( floor( exp10 == 0 ? 0 : log10( abs( exp10 ) ) ) ) + 1; \
[fd4c009]	626	if ( f.wd < 1 ) f.wd = 1; \
	627	} /* if */ \
	628	len = snprintf( buf, size, format, ##__VA_ARGS__ ); \
	629	if ( f.flags.left ) { \
	630	for ( len -= 1; len > 0 && buf[len] == ' '; len -= 1 ); \
	631	len += 1; \
	632	} /* if */ \
	633	if ( ! f.flags.nobsdp \|\| (exp10 < SUFFIXES_START) \|\| (exp10 > SUFFIXES_END) ) { \
[fb907d3]	634	len2 = snprintf( &buf[len], size - len, "e%d", (int)exp10 /* ambiguity with function exp10 */ ); \
[fd4c009]	635	} else { \
	636	len2 = snprintf( &buf[len], size - len, "%s", suffixes[(exp10 - SUFFIXES_START) / 3] ); \
	637	} /* if */ \
	638	if ( f.flags.left && len + len2 < f.wd ) buf[len + len2] = ' '; \
[3c573e9]	639	} /* if */ \
	640	fmt( os, "%s", &buf[bufbeg] ); \
	641	}
	642
[94d2544]	643	#define FLOATING_POINT_FMT_IMPL( T, DFMTNP, DFMTP ) \
[85d8153]	644	forall( ostype & \| basic_ostream( ostype ) ) { \
[fd4c009]	645	static void eng( T &value, int & pc, int & exp10 ) { \
	646	exp10 = lrint( floor( log10( abs( value ) ) ) ); /* round to desired precision */ \
	647	if ( exp10 < 0 ) exp10 -= 2; \
	648	exp10 = floor( exp10, 3 ); \
	649	value *= pow( 10.0, -exp10 ); \
	650	if ( pc <= 3 ) pc = 3; \
	651	} /* eng */ \
	652	\
[3c573e9]	653	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ) { \
[fd4c009]	654	enum { size = 48 }; \
	655	char buf[size]; \
	656	int bufbeg = 0, i, len; \
	657	\
[6c5d92f]	658	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); \
[fd4c009]	659	char fmtstr[sizeof(DFMTP) + 8]; /* sizeof includes '\0' */ \
[3c573e9]	660	if ( ! f.flags.pc ) memcpy( &fmtstr, DFMTNP, sizeof(DFMTNP) ); \
	661	else memcpy( &fmtstr, DFMTP, sizeof(DFMTP) ); \
[b5f17e1]	662	int star = 5; /* position before first '' / \
[3c573e9]	663	\
	664	/* Insert flags into spaces before '', from right to left. / \
	665	if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } \
	666	if ( f.flags.sign ) { fmtstr[star] = '+'; star -= 1; } \
	667	if ( f.flags.pad0 ) { fmtstr[star] = '0'; star -= 1; } \
[b5f17e1]	668	fmtstr[star] = '\''; star -= 1; /* locale */ \
[3c573e9]	669	fmtstr[star] = '%'; \
	670	\
	671	if ( ! f.flags.pc ) { /* no precision */ \
	672	fmtstr[sizeof(DFMTNP)-2] = f.base; /* sizeof includes '\0' */ \
[b1e614f4]	673	/* printf( "%g %d %s\n", f.val, f.wd, &fmtstr[star] ); */ \
[94d2544]	674	PRINT_WITH_DP2( os, &fmtstr[star], f.wd, f.val ) \
[3c573e9]	675	} else { /* precision */ \
	676	fmtstr[sizeof(DFMTP)-2] = f.base; /* sizeof includes '\0' */ \
	677	/* printf( "%g %d %d %s\n", f.val, f.wd, f.pc, &fmtstr[star] ); */ \
[94d2544]	678	PRINT_WITH_DP2( os, &fmtstr[star], f.wd, f.pc, f.val ) \
[3c573e9]	679	} /* if */ \
	680	return os; \
	681	} /* ?\|? */ \
[e3fea42]	682	\
[94d2544]	683	OSTYPE_VOID_IMPL( _Ostream_Manip(T) ) \
[3c573e9]	684	} // distribution
	685
[94d2544]	686	FLOATING_POINT_FMT_IMPL( double, " * ", " . " )
	687	FLOATING_POINT_FMT_IMPL( long double, " L ", " .*L " )
[3c573e9]	688
[8d321f9]	689	// ********************************* character *********************************
[3c573e9]	690
[85d8153]	691	forall( ostype & \| basic_ostream( ostype ) ) {
[3c573e9]	692	ostype & ?\|?( ostype & os, _Ostream_Manip(char) f ) {
[4f37255]	693	if ( f.base != 'c' ) { // bespoke binary/octal/hex format
[3c573e9]	694	_Ostream_Manip(unsigned char) fmtuc @= { f.val, f.wd, f.pc, f.base, {'\0'} };
	695	fmtuc.flags.pc = f.flags.pc;
	696	fmtuc.flags.nobsdp = f.flags.nobsdp;
	697	// os \| fmtuc \| nonl;
	698	(ostype &)(os \| fmtuc);
	699	return os;
	700	} // if
	701
[6c5d92f]	702	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[3c573e9]	703
	704	#define CFMTNP "% * "
[4f37255]	705	char fmtstr[sizeof(CFMTNP)]; // sizeof includes '\0'
[3c573e9]	706	memcpy( &fmtstr, CFMTNP, sizeof(CFMTNP) );
[4f37255]	707	int star = 1; // position before first '*'
[3c573e9]	708
	709	// Insert flags into spaces before '*', from right to left.
	710	if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; }
	711	fmtstr[star] = '%';
	712
[4f37255]	713	fmtstr[sizeof(CFMTNP)-2] = f.base; // sizeof includes '\0'
[3c573e9]	714	// printf( "%d %s\n", f.wd, &fmtstr[star] );
	715	fmt( os, &fmtstr[star], f.wd, f.val );
	716	return os;
	717	} // ?\|?
[94d2544]	718	OSTYPE_VOID_IMPL( _Ostream_Manip(char) )
[3c573e9]	719	} // distribution
	720
[8d321f9]	721	// ********************************* C string *********************************
[3c573e9]	722
[85d8153]	723	forall( ostype & \| basic_ostream( ostype ) ) {
[3c573e9]	724	ostype & ?\|?( ostype & os, _Ostream_Manip(const char *) f ) {
	725	if ( ! f.val ) return os; // null pointer ?
	726
	727	if ( f.base != 's' ) { // bespoke binary/octal/hex format
	728	_Ostream_Manip(unsigned char) fmtuc @= { 0, f.wd, f.pc, f.base, {'\0'} };
	729	fmtuc.flags.pc = f.flags.pc;
	730	fmtuc.flags.nobsdp = f.flags.nobsdp;
[ebf8ca5]	731	for ( i; 0 ~ @ : @; f.val[i] != '\0' ) {
[3c573e9]	732	fmtuc.val = f.val[i];
	733	// os \| fmtuc \| nonl;
	734	(ostype &)(os \| fmtuc);
	735	} // for
	736	return os;
	737	} // if
	738
[f5d9c37]	739	if ( f.val[0] != '\0' && // null string => no leading separator
	740	sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[3c573e9]	741
	742	#define SFMTNP "% * "
	743	#define SFMTP "% . "
	744	char fmtstr[sizeof(SFMTP)]; // sizeof includes '\0'
	745	if ( ! f.flags.pc ) memcpy( &fmtstr, SFMTNP, sizeof(SFMTNP) );
	746	else memcpy( &fmtstr, SFMTP, sizeof(SFMTP) );
	747	int star = 1; // position before first '*'
	748
	749	// Insert flags into spaces before '*', from right to left.
	750	if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; }
	751	fmtstr[star] = '%';
	752
	753	if ( ! f.flags.pc ) { // no precision
	754	// printf( "%d %s\n", f.wd, &fmtstr[star] );
	755	fmtstr[sizeof(SFMTNP)-2] = f.base; // sizeof includes '\0'
	756	fmt( os, &fmtstr[star], f.wd, f.val );
	757	} else { // precision
	758	fmtstr[sizeof(SFMTP)-2] = f.base; // sizeof includes '\0'
	759	// printf( "%d %d %s\n", f.wd, f.pc, &fmtstr[star] );
	760	fmt( os, &fmtstr[star], f.wd, f.pc, f.val );
	761	} // if
[f5d9c37]	762	if ( f.val[0] == '\0' ) { nosep( os ); } // null string => no trailing separator
[3c573e9]	763	return os;
	764	} // ?\|?
[94d2544]	765	OSTYPE_VOID_IMPL( _Ostream_Manip(const char *) )
[3c573e9]	766	} // distribution
	767
	768
[8d321f9]	769	// ********************************* istream *********************************
[3c573e9]	770
[e56cfdb0]	771
[ef3ac46]	772	forall( istype & \| basic_istream( istype ) ) {
[93c2e0a]	773	istype & ?\|?( istype & is, bool & b ) {
[3ce0d440]	774	char val[6];
	775	fmt( is, "%5s", val );
	776	if ( strcmp( val, "true" ) == 0 ) b = true;
	777	else if ( strcmp( val, "false" ) == 0 ) b = false;
	778	else {
[93c2e0a]	779	fprintf( stderr, "invalid Boolean constant\n" );
[4f37255]	780	abort(); // cannot use abort stream
[3ce0d440]	781	} // if
	782	return is;
	783	} // ?\|?
[c635047]	784	ISTYPE_VOID_IMPL( bool & )
[3ce0d440]	785
	786	istype & ?\|?( istype & is, char & c ) {
[0efb269]	787	char temp;
	788	for () {
[4f37255]	789	fmt( is, "%c", &temp ); // must pass pointer through varg to fmt
[0efb269]	790	// do not overwrite parameter with newline unless appropriate
[c8371b5]	791	if ( temp != '\n' \|\| getANL$( is ) ) { c = temp; break; }
[0efb269]	792	if ( eof( is ) ) break;
	793	} // for
[3ce0d440]	794	return is;
	795	} // ?\|?
[c635047]	796	ISTYPE_VOID_IMPL( char & )
[3ce0d440]	797
	798	istype & ?\|?( istype & is, signed char & sc ) {
[3c573e9]	799	fmt( is, "%hhi", &sc );
[3ce0d440]	800	return is;
	801	} // ?\|?
[c635047]	802	ISTYPE_VOID_IMPL( signed char & )
[3ce0d440]	803
	804	istype & ?\|?( istype & is, unsigned char & usc ) {
[3c573e9]	805	fmt( is, "%hhi", &usc );
[3ce0d440]	806	return is;
	807	} // ?\|?
[c635047]	808	ISTYPE_VOID_IMPL( unsigned char & )
[3ce0d440]	809
	810	istype & ?\|?( istype & is, short int & si ) {
[3c573e9]	811	fmt( is, "%hi", &si );
[3ce0d440]	812	return is;
	813	} // ?\|?
[c635047]	814	ISTYPE_VOID_IMPL( short int & )
[3ce0d440]	815
	816	istype & ?\|?( istype & is, unsigned short int & usi ) {
[3c573e9]	817	fmt( is, "%hi", &usi );
[3ce0d440]	818	return is;
	819	} // ?\|?
[c635047]	820	ISTYPE_VOID_IMPL( unsigned short int & )
[3ce0d440]	821
	822	istype & ?\|?( istype & is, int & i ) {
[3c573e9]	823	fmt( is, "%i", &i );
[3ce0d440]	824	return is;
	825	} // ?\|?
[c635047]	826	ISTYPE_VOID_IMPL( int & )
[3ce0d440]	827
	828	istype & ?\|?( istype & is, unsigned int & ui ) {
[3c573e9]	829	fmt( is, "%i", &ui );
[3ce0d440]	830	return is;
	831	} // ?\|?
[c635047]	832	ISTYPE_VOID_IMPL( unsigned int & )
[3ce0d440]	833
	834	istype & ?\|?( istype & is, long int & li ) {
[3c573e9]	835	fmt( is, "%li", &li );
[3ce0d440]	836	return is;
	837	} // ?\|?
[c635047]	838	ISTYPE_VOID_IMPL( long int & )
[3ce0d440]	839
	840	istype & ?\|?( istype & is, unsigned long int & ulli ) {
[3c573e9]	841	fmt( is, "%li", &ulli );
[3ce0d440]	842	return is;
	843	} // ?\|?
[c635047]	844	ISTYPE_VOID_IMPL( unsigned long int & )
[3ce0d440]	845
	846	istype & ?\|?( istype & is, long long int & lli ) {
[3c573e9]	847	fmt( is, "%lli", &lli );
[3ce0d440]	848	return is;
	849	} // ?\|?
[c635047]	850	ISTYPE_VOID_IMPL( long long int & )
[3ce0d440]	851
	852	istype & ?\|?( istype & is, unsigned long long int & ulli ) {
[3c573e9]	853	fmt( is, "%lli", &ulli );
[3ce0d440]	854	return is;
	855	} // ?\|?
[c635047]	856	ISTYPE_VOID_IMPL( unsigned long long int & )
[3ce0d440]	857
[ef3ac46]	858	#if defined( __SIZEOF_INT128__ )
[e474cf09]	859	istype & ?\|?( istype & is, int128 & llli ) {
	860	return (istype &)(is \| (unsigned int128 &)llli);
	861	} // ?\|?
[c635047]	862	ISTYPE_VOID_IMPL( int128 & )
[fe68bdf]	863
[e474cf09]	864	istype & ?\|?( istype & is, unsigned int128 & ullli ) {
[fe68bdf]	865	char s[40];
	866	bool sign = false;
	867
	868	if ( fmt( is, " %[-]", s ) == 1 ) sign = true; // skip whitespace, negative sign ?
	869	// If the input is too large, the value returned is undefined. If there is no input, no value is returned
	870	if ( fmt( is, "%39[0-9]%*[0-9]", s ) == 1 ) { // take first 39 characters, ignore remaining
[e474cf09]	871	ullli = 0;
[ebf8ca5]	872	for ( i; 0 ~ @ : @; s[i] != '\0' ) {
[e474cf09]	873	ullli = ullli * 10 + s[i] - '0';
[fe68bdf]	874	} // for
[e474cf09]	875	if ( sign ) ullli = -ullli;
[fe68bdf]	876	} else if ( sign ) ungetc( is, '-' ); // return minus when no digits
	877	return is;
	878	} // ?\|?
[c635047]	879	ISTYPE_VOID_IMPL( unsigned int128 & )
[ef3ac46]	880	#endif // __SIZEOF_INT128__
[3ce0d440]	881
	882	istype & ?\|?( istype & is, float & f ) {
	883	fmt( is, "%f", &f );
	884	return is;
	885	} // ?\|?
[c635047]	886	ISTYPE_VOID_IMPL( float & )
[3ce0d440]	887
	888	istype & ?\|?( istype & is, double & d ) {
	889	fmt( is, "%lf", &d );
	890	return is;
	891	} // ?\|?
[c635047]	892	ISTYPE_VOID_IMPL( double & )
[3ce0d440]	893
	894	istype & ?\|?( istype & is, long double & ld ) {
	895	fmt( is, "%Lf", &ld );
	896	return is;
	897	} // ?\|?
[c635047]	898	ISTYPE_VOID_IMPL( long double & )
[3ce0d440]	899
	900	istype & ?\|?( istype & is, float _Complex & fc ) {
	901	float re, im;
[3c573e9]	902	fmt( is, "%f%fi", &re, &im );
[3ce0d440]	903	fc = re + im * _Complex_I;
	904	return is;
	905	} // ?\|?
[c635047]	906	ISTYPE_VOID_IMPL( float _Complex & )
[3ce0d440]	907
	908	istype & ?\|?( istype & is, double _Complex & dc ) {
	909	double re, im;
	910	fmt( is, "%lf%lfi", &re, &im );
	911	dc = re + im * _Complex_I;
	912	return is;
	913	} // ?\|?
[c635047]	914	ISTYPE_VOID_IMPL( double _Complex & )
[3ce0d440]	915
	916	istype & ?\|?( istype & is, long double _Complex & ldc ) {
	917	long double re, im;
	918	fmt( is, "%Lf%Lfi", &re, &im );
	919	ldc = re + im * _Complex_I;
	920	return is;
	921	} // ?\|?
[c635047]	922	ISTYPE_VOID_IMPL( long double _Complex & )
[3ce0d440]	923
[0f107e4]	924	istype & ?\|?( istype & is, const char fmt[] ) {
	925	fmt( is, fmt, "" );
	926	return is;
	927	} // ?\|?
	928	ISTYPE_VOID_IMPL( const char * )
[04396aa]	929
[3ce0d440]	930	// manipulators
	931	istype & ?\|?( istype & is, istype & (* manip)( istype & ) ) {
	932	return manip( is );
	933	} // ?\|?
[ff7f6d07]	934
[e474cf09]	935	void ?\|?( istype & is, istype & (* manip)( istype & ) ) {
	936	manip( is ); ends( is );
	937	} // ?\|?
[3ce0d440]	938
[200fcb3]	939	istype & nl( istype & is ) {
[3c5dee4]	940	fmt( is, "%*[^\n]" ); // ignore characters to newline
[e7a8f65]	941	if ( ! eof( is ) && getANL$( is ) ) fmt( is, "%*c" ); // read newline
[3ce0d440]	942	return is;
[200fcb3]	943	} // nl
[0efb269]	944
	945	istype & nlOn( istype & is ) {
	946	nlOn( is ); // call void returning
	947	return is;
	948	} // nlOn
	949
	950	istype & nlOff( istype & is ) {
	951	nlOff( is ); // call void returning
	952	return is;
	953	} // nlOff
[ef3ac46]	954	} // distribution
[44574f2]	955
[8d321f9]	956	// ********************************* manipulators *********************************
[3c573e9]	957
[ef3ac46]	958	forall( istype & \| basic_istream( istype ) ) {
[0f107e4]	959	istype & ?\|?( istype & is, _Istream_Cskip f ) {
	960	// printf( "skip %s %d\n", f.scanset, f.wd );
	961	if ( f.scanset ) fmt( is, f.scanset, "" ); // no input arguments
	962	else for ( f.wd ) fmt( is, "%*c" );
	963	return is;
	964	}
	965	ISTYPE_VOID_IMPL( _Istream_Cskip )
[e7a8f65]	966
[0f107e4]	967	istype & ?\|?( istype & is, _Istream_Cstr f ) {
[38de914]	968	const char * scanset = f.scanset;
[0f107e4]	969	if ( f.flags.delimiter ) scanset = f.delimiter; // getline ?
[5ad2c6c7]	970
[e474cf09]	971	size_t len = 0;
[aa25216]	972	if ( scanset ) len = strlen( scanset );
[e474cf09]	973	char fmtstr[len + 16];
	974	int start = 1;
	975	fmtstr[0] = '%';
	976	if ( f.flags.ignore ) { fmtstr[1] = '*'; start += 1; }
[0f107e4]	977	// no maximum width necessary because text ignored => width is read width
[e474cf09]	978	if ( f.wd != -1 ) { start += sprintf( &fmtstr[start], "%d", f.wd ); }
[2f34fde]	979
[aa25216]	980	if ( ! scanset ) {
[2f34fde]	981	// %s, %s, %ws, %ws
[e474cf09]	982	fmtstr[start] = 's'; fmtstr[start + 1] = '\0';
	983	// printf( "cstr %s\n", fmtstr );
[2f34fde]	984	} else {
	985	// incl %[xxx], %[xxx], %w[xxx], %w[xxx]
	986	// excl %[^xxx], %[^xxx], %w[^xxx], %w[^xxx]
	987	fmtstr[start] = '['; start += 1;
	988	if ( f.flags.inex ) { fmtstr[start] = '^'; start += 1; }
[aa25216]	989	strcpy( &fmtstr[start], scanset ); // copy includes '\0'
[2f34fde]	990	len += start;
	991	fmtstr[len] = ']'; fmtstr[len + 1] = '\0';
	992	// printf( "incl/excl %s\n", fmtstr );
[e474cf09]	993	} // if
[2f34fde]	994
[686912c]	995	int check = f.wd - 1;
	996	if ( ! f.flags.rwd ) f.s[check] = '\0'; // insert sentinel
	997	len = fmt( is, fmtstr, f.s );
	998	//fprintf( stderr, "KK %s %zd %d %c %s\n", fmtstr, len, check, f.s[check], f.s );
[aa25216]	999
[686912c]	1000	if ( ! f.flags.rwd && f.s[check] != '\0' ) // sentinel overwritten ?
	1001	throw (cstring_length){ &cstring_length_vt };
[38de914]	1002
[0f107e4]	1003	if ( f.flags.delimiter ) { // getline ?
[686912c]	1004	if ( len == 0 ) f.s[0] = '\0'; // empty read => argument unchanged => set empty
[0f107e4]	1005	if ( ! eof( is ) ) { // ignore delimiter, may not be present because of width
	1006	char delimiter;
	1007	fmt( is, "%c", &delimiter );
	1008	if ( delimiter != f.delimiter[0] ) ungetc( is, delimiter );
	1009	} // if
[686912c]	1010	} //if
[61c7239]	1011	return is;
[e474cf09]	1012	} // ?\|?
[c635047]	1013	ISTYPE_VOID_IMPL( _Istream_Cstr )
[e474cf09]	1014
	1015	istype & ?\|?( istype & is, _Istream_Char f ) {
[e7a8f65]	1016	fmt( is, "%*c" ); // argument variable unused
[e474cf09]	1017	return is;
	1018	} // ?\|?
[c635047]	1019	ISTYPE_VOID_IMPL( _Istream_Char )
[e474cf09]	1020	} // distribution
[86a8be5]	1021
[94d2544]	1022	#define INPUT_FMT_IMPL( T, CODE ) \
[ef3ac46]	1023	forall( istype & \| basic_istream( istype ) ) { \
[e474cf09]	1024	istype & ?\|?( istype & is, _Istream_Manip(T) f ) { \
	1025	enum { size = 16 }; \
	1026	char fmtstr[size]; \
	1027	if ( f.wd == -1 ) { \
	1028	snprintf( fmtstr, size, "%%%s%s", f.ignore ? "*" : "", CODE ); \
	1029	} else { \
	1030	snprintf( fmtstr, size, "%%%s%d%s", f.ignore ? "*" : "", f.wd, CODE ); \
	1031	} /* if */ \
	1032	/* printf( "%d %s %p\n", f.wd, fmtstr, &f.val ); */ \
	1033	fmt( is, fmtstr, &f.val ); \
	1034	return is; \
	1035	} /* ?\|? */ \
[c635047]	1036	ISTYPE_VOID_IMPL( _Istream_Manip(T) ) \
[e474cf09]	1037	} // distribution
[3c573e9]	1038
[94d2544]	1039	INPUT_FMT_IMPL( signed char, "hhi" )
	1040	INPUT_FMT_IMPL( unsigned char, "hhi" )
	1041	INPUT_FMT_IMPL( signed short int, "hi" )
	1042	INPUT_FMT_IMPL( unsigned short int, "hi" )
	1043	INPUT_FMT_IMPL( signed int, "i" )
	1044	INPUT_FMT_IMPL( unsigned int, "i" )
	1045	INPUT_FMT_IMPL( signed long int, "li" )
	1046	INPUT_FMT_IMPL( unsigned long int, "li" )
	1047	INPUT_FMT_IMPL( signed long long int, "lli" )
	1048	INPUT_FMT_IMPL( unsigned long long int, "lli" )
	1049
	1050	INPUT_FMT_IMPL( float, "f" )
	1051	INPUT_FMT_IMPL( double, "lf" )
	1052	INPUT_FMT_IMPL( long double, "Lf" )
[3c573e9]	1053
[ef3ac46]	1054	forall( istype & \| basic_istream( istype ) ) {
[e474cf09]	1055	istype & ?\|?( istype & is, _Istream_Manip(float _Complex) fc ) {
	1056	float re, im;
	1057	_Istream_Manip(float) fmtuc @= { re, fc.wd, fc.ignore };
	1058	is \| fmtuc;
	1059	&fmtuc.val = &im;
	1060	is \| fmtuc;
	1061	if ( ! fc.ignore ) fc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
	1062	return is;
	1063	} // ?\|?
[c635047]	1064	ISTYPE_VOID_IMPL( _Istream_Manip(float _Complex) )
[e474cf09]	1065
	1066	istype & ?\|?( istype & is, _Istream_Manip(double _Complex) dc ) {
	1067	double re, im;
	1068	_Istream_Manip(double) fmtuc @= { re, dc.wd, dc.ignore };
	1069	is \| fmtuc;
	1070	&fmtuc.val = &im;
	1071	is \| fmtuc;
	1072	if ( ! dc.ignore ) dc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
	1073	return is;
	1074	} // ?\|?
[c635047]	1075	ISTYPE_VOID_IMPL( _Istream_Manip(double _Complex) )
[e474cf09]	1076
	1077	istype & ?\|?( istype & is, _Istream_Manip(long double _Complex) ldc ) {
	1078	long double re, im;
	1079	_Istream_Manip(long double) fmtuc @= { re, ldc.wd, ldc.ignore };
	1080	is \| fmtuc;
	1081	&fmtuc.val = &im;
	1082	is \| fmtuc;
	1083	if ( ! ldc.ignore ) ldc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
	1084	return is;
	1085	} // ?\|?
[c635047]	1086	ISTYPE_VOID_IMPL( _Istream_Manip(long double _Complex) )
[e474cf09]	1087	} // distribution
[3c573e9]	1088
[2f34fde]	1089
[86bd7c1f]	1090	// Local Variables: //
	1091	// tab-width: 4 //
[084520f]	1092	// compile-command: "cfa iostream.cfa" //
[86bd7c1f]	1093	// End: //

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