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iostream.cfa @ 6d5790d

Last change on this file since 6d5790d was 28c2933, checked in by Peter A. Buhr <pabuhr@…>, 15 months ago
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[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
[28c2933]	12	// Last Modified On : Sun Jul 30 23:01:00 2023
	13	// Update Count : 1406
[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
[7cfef0d]	23	//#include <string.h> // strlen, strcmp, memcpy
[6026628]	24	extern "C" {
[44574f2]	25	extern size_t strlen (const char *__s) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
[3c573e9]	26	extern int strcmp (const char __s1, const char __s2) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
	27	extern char strcpy (char __restrict __dest, const char *__restrict __src) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
	28	extern void memcpy (void __restrict __dest, const void *__restrict __src, size_t __n) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
	29	} // extern "C"
[51b7345]	30
[7cfef0d]	31	#include "math.hfa" // isfinite, floor, ceiling_div
	32	#include "bitmanip.hfa" // high1
[7fd71c7]	33
[cce4648]	34	#pragma GCC visibility push(default)
[61c7239]	35
[94d2544]	36
[8d321f9]	37	// ********************************* ostream *********************************
[61c7239]	38
	39
[85d8153]	40	forall( ostype & \| basic_ostream( ostype ) ) {
[93c2e0a]	41	ostype & ?\|?( ostype & os, bool b ) {
[6c5d92f]	42	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[3ce0d440]	43	fmt( os, "%s", b ? "true" : "false" );
	44	return os;
	45	} // ?\|?
[94d2544]	46	OSTYPE_VOID_IMPL( bool )
[51b7345]	47
[200fcb3]	48	ostype & ?\|?( ostype & os, char c ) {
	49	fmt( os, "%c", c );
[6c5d92f]	50	if ( c == '\n' ) setNL$( os, true );
[f5d9c37]	51	return nosep( os );
[200fcb3]	52	} // ?\|?
[94d2544]	53	OSTYPE_VOID_IMPL( char )
[3ce0d440]	54
[200fcb3]	55	ostype & ?\|?( ostype & os, signed char sc ) {
[6c5d92f]	56	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	57	fmt( os, "%'hhd", sc );
[3ce0d440]	58	return os;
	59	} // ?\|?
[94d2544]	60	OSTYPE_VOID_IMPL( signed char )
[3ce0d440]	61
[200fcb3]	62	ostype & ?\|?( ostype & os, unsigned char usc ) {
[6c5d92f]	63	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	64	fmt( os, "%'hhu", usc );
[3ce0d440]	65	return os;
	66	} // ?\|?
[94d2544]	67	OSTYPE_VOID_IMPL( unsigned char )
[3ce0d440]	68
	69	ostype & ?\|?( ostype & os, short int si ) {
[6c5d92f]	70	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	71	fmt( os, "%'hd", si );
[3ce0d440]	72	return os;
	73	} // ?\|?
[94d2544]	74	OSTYPE_VOID_IMPL( short int )
[3ce0d440]	75
	76	ostype & ?\|?( ostype & os, unsigned short int usi ) {
[6c5d92f]	77	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	78	fmt( os, "%'hu", usi );
[3ce0d440]	79	return os;
	80	} // ?\|?
[94d2544]	81	OSTYPE_VOID_IMPL( unsigned short int )
[3ce0d440]	82
	83	ostype & ?\|?( ostype & os, int i ) {
[6c5d92f]	84	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	85	fmt( os, "%'d", i );
[3ce0d440]	86	return os;
	87	} // ?\|?
[94d2544]	88	OSTYPE_VOID_IMPL( int )
[3ce0d440]	89
	90	ostype & ?\|?( ostype & os, unsigned int ui ) {
[6c5d92f]	91	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	92	fmt( os, "%'u", ui );
[3ce0d440]	93	return os;
	94	} // ?\|?
[94d2544]	95	OSTYPE_VOID_IMPL( unsigned int )
[3ce0d440]	96
	97	ostype & ?\|?( ostype & os, long int li ) {
[6c5d92f]	98	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	99	fmt( os, "%'ld", li );
[3ce0d440]	100	return os;
	101	} // ?\|?
[94d2544]	102	OSTYPE_VOID_IMPL( long int )
[3ce0d440]	103
	104	ostype & ?\|?( ostype & os, unsigned long int uli ) {
[6c5d92f]	105	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	106	fmt( os, "%'lu", uli );
[3ce0d440]	107	return os;
	108	} // ?\|?
[94d2544]	109	OSTYPE_VOID_IMPL( unsigned long int )
[3ce0d440]	110
	111	ostype & ?\|?( ostype & os, long long int lli ) {
[6c5d92f]	112	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	113	fmt( os, "%'lld", lli );
[3ce0d440]	114	return os;
	115	} // ?\|?
[94d2544]	116	OSTYPE_VOID_IMPL( long long int )
[3ce0d440]	117
	118	ostype & ?\|?( ostype & os, unsigned long long int ulli ) {
[6c5d92f]	119	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	120	fmt( os, "%'llu", ulli );
[3ce0d440]	121	return os;
	122	} // ?\|?
[94d2544]	123	OSTYPE_VOID_IMPL( unsigned long long int )
[3ce0d440]	124
[ef3ac46]	125	#if defined( __SIZEOF_INT128__ )
[bd5b443]	126	// UINT64_MAX 18_446_744_073_709_551_615_ULL
	127	#define P10_UINT64 10_000_000_000_000_000_000_ULL // 19 zeroes
	128
[ffa48a8]	129	static inline void base10_128( ostype & os, unsigned int128 val ) {
[ef3ac46]	130	#if defined(__GNUC__) && __GNUC_PREREQ(7,0) // gcc version >= 7
[2c60c644]	131	if ( val > P10_UINT64 ) {
[ef3ac46]	132	#else
[ffa48a8]	133	if ( (uint64_t)(val >> 64) != 0 \|\| (uint64_t)val > P10_UINT64 ) { // patch gcc 5 & 6 -O3 bug
[ef3ac46]	134	#endif // __GNUC_PREREQ(7,0)
[bd5b443]	135	base10_128( os, val / P10_UINT64 ); // recursive
	136	fmt( os, "%.19lu", (uint64_t)(val % P10_UINT64) );
	137	} else {
	138	fmt( os, "%lu", (uint64_t)val );
	139	} // if
	140	} // base10_128
	141
[ffa48a8]	142	static inline void base10_128( ostype & os, int128 val ) {
[bd5b443]	143	if ( val < 0 ) {
	144	fmt( os, "-" ); // leading negative sign
	145	val = -val;
	146	} // if
	147	base10_128( os, (unsigned int128)val ); // print zero/positive value
	148	} // base10_128
	149
	150	ostype & ?\|?( ostype & os, int128 llli ) {
[6c5d92f]	151	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[bd5b443]	152	base10_128( os, llli );
	153	return os;
	154	} // ?\|?
[94d2544]	155	OSTYPE_VOID_IMPL( int128 )
[bd5b443]	156
	157	ostype & ?\|?( ostype & os, unsigned int128 ullli ) {
[6c5d92f]	158	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[bd5b443]	159	base10_128( os, ullli );
	160	return os;
	161	} // ?\|?
[94d2544]	162	OSTYPE_VOID_IMPL( unsigned int128 )
[ef3ac46]	163	#endif // __SIZEOF_INT128__
[bd5b443]	164
[94d2544]	165	#define PRINT_WITH_DP( os, format, val, ... ) \
[e63326b]	166	{ \
	167	enum { size = 48 }; \
	168	char buf[size]; \
	169	int len = snprintf( buf, size, format, ##__VA_ARGS__, val ); \
	170	fmt( os, "%s", buf ); \
[fd4c009]	171	if ( isfinite( val ) ) { /* if number, print decimal point when no fraction or exponent */ \
[f6a4917]	172	for ( i; 0 ~ @ ) { \
[e63326b]	173	if ( i == len ) { fmt( os, "." ); break; } \
[fd4c009]	174	if ( buf[i] == '.' \|\| buf[i] == 'e' \|\| buf[i] == 'E' ) break; /* decimal point or scientific ? */ \
[e63326b]	175	} /* for */ \
	176	} /* if */ \
	177	}
[b2ac656]	178
[3ce0d440]	179	ostype & ?\|?( ostype & os, float f ) {
[6c5d92f]	180	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[94d2544]	181	PRINT_WITH_DP( os, "%'g", f );
[3ce0d440]	182	return os;
	183	} // ?\|?
[94d2544]	184	OSTYPE_VOID_IMPL( float )
[3ce0d440]	185
	186	ostype & ?\|?( ostype & os, double d ) {
[6c5d92f]	187	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[94d2544]	188	PRINT_WITH_DP( os, "%'.*lg", d, DBL_DIG );
[3ce0d440]	189	return os;
	190	} // ?\|?
[94d2544]	191	OSTYPE_VOID_IMPL( double )
[3ce0d440]	192
	193	ostype & ?\|?( ostype & os, long double ld ) {
[6c5d92f]	194	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[94d2544]	195	PRINT_WITH_DP( os, "%'.*Lg", ld, LDBL_DIG );
[3ce0d440]	196	return os;
	197	} // ?\|?
[94d2544]	198	OSTYPE_VOID_IMPL( long double )
[3ce0d440]	199
	200	ostype & ?\|?( ostype & os, float _Complex fc ) {
[6c5d92f]	201	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[b2ac656]	202	// os \| crealf( fc ) \| nonl;
[94d2544]	203	PRINT_WITH_DP( os, "%'g", crealf( fc ) );
	204	PRINT_WITH_DP( os, "%'+g", cimagf( fc ) );
[3c5dee4]	205	fmt( os, "i" );
[3ce0d440]	206	return os;
	207	} // ?\|?
[94d2544]	208	OSTYPE_VOID_IMPL( float _Complex )
[3ce0d440]	209
	210	ostype & ?\|?( ostype & os, double _Complex dc ) {
[6c5d92f]	211	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[b2ac656]	212	// os \| creal( dc ) \| nonl;
[94d2544]	213	PRINT_WITH_DP( os, "%'.*lg", creal( dc ), DBL_DIG );
	214	PRINT_WITH_DP( os, "%'+.*lg", cimag( dc ), DBL_DIG );
[3c5dee4]	215	fmt( os, "i" );
[3ce0d440]	216	return os;
	217	} // ?\|?
[94d2544]	218	OSTYPE_VOID_IMPL( double _Complex )
[3ce0d440]	219
	220	ostype & ?\|?( ostype & os, long double _Complex ldc ) {
[6c5d92f]	221	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[b2ac656]	222	// os \| creall( ldc ) \|\| nonl;
[94d2544]	223	PRINT_WITH_DP( os, "%'.*Lg", creall( ldc ), LDBL_DIG );
	224	PRINT_WITH_DP( os, "%'+.*Lg", cimagl( ldc ), LDBL_DIG );
[3c5dee4]	225	fmt( os, "i" );
[3ce0d440]	226	return os;
	227	} // ?\|?
[94d2544]	228	OSTYPE_VOID_IMPL( long double _Complex )
[3ce0d440]	229
[e474cf09]	230	ostype & ?\|?( ostype & os, const char s[] ) {
[3ce0d440]	231	enum { Open = 1, Close, OpenClose };
[28c2933]	232	static const unsigned char mask[256] @= { // 256 covers all Latin-1 characters
[3ce0d440]	233	// opening delimiters, no space after
	234	['('] : Open, ['['] : Open, ['{'] : Open,
[ad72c8b]	235	['='] : Open, ['$'] : Open, [(unsigned char)'£'] : Open, [(unsigned char)'¥'] : Open,
	236	[(unsigned char)'¡'] : Open, [(unsigned char)'¿'] : Open, [(unsigned char)'«'] : Open,
[3ce0d440]	237	// closing delimiters, no space before
	238	[','] : Close, ['.'] : Close, [';'] : Close, ['!'] : Close, ['?'] : Close,
[ad72c8b]	239	['%'] : Close, [(unsigned char)'¢'] : Close, [(unsigned char)'»'] : Close,
[3ce0d440]	240	[')'] : Close, [']'] : Close, ['}'] : Close,
	241	// opening-closing delimiters, no space before or after
	242	['\''] : OpenClose, ['`'] : OpenClose, ['"'] : OpenClose, [':'] : OpenClose,
	243	[' '] : OpenClose, ['\f'] : OpenClose, ['\n'] : OpenClose, ['\r'] : OpenClose, ['\t'] : OpenClose, ['\v'] : OpenClose, // isspace
	244	}; // mask
	245
[6a33e40]	246	if ( s == 0p ) { fmt( os, "%s", "0p" ); return os; } // null pointer
[f5d9c37]	247	if ( s[0] == '\0' ) { nosep( os ); return os; } // null string => no leading/trailing separator
[3ce0d440]	248
	249	// first character IS NOT spacing or closing punctuation => add left separator
[e474cf09]	250	unsigned char ch = s[0]; // must make unsigned
[6c5d92f]	251	if ( sepPrt$( os ) && mask[ ch ] != Close && mask[ ch ] != OpenClose ) {
	252	fmt( os, "%s", sepGetCur$( os ) );
[3ce0d440]	253	} // if
	254
	255	// if string starts line, must reset to determine open state because separator is off
[6c5d92f]	256	sepReset$( os ); // reset separator
[3ce0d440]	257
	258	// last character IS spacing or opening punctuation => turn off separator for next item
[85d8153]	259	int len = strlen( s );
[e474cf09]	260	ch = s[len - 1]; // must make unsigned
[85d8153]	261	fmt( os, "%s", s ); // fmt resets seperator, but reset it again
[6c5d92f]	262	if ( sepPrt$( os ) && mask[ ch ] != Open && mask[ ch ] != OpenClose ) {
[f5d9c37]	263	sep( os );
[3ce0d440]	264	} else {
[f5d9c37]	265	nosep( os );
[3ce0d440]	266	} // if
[6c5d92f]	267	if ( ch == '\n' ) setNL$( os, true ); // check AFTER sepPrt$ call above as it resets NL flag
[85d8153]	268	return os;
	269	// return write( os, s, len );
[3ce0d440]	270	} // ?\|?
[94d2544]	271	OSTYPE_VOID_IMPL( const char * )
[3ce0d440]	272
[e474cf09]	273	// ostype & ?\|?( ostype & os, const char16_t * s ) {
[6c5d92f]	274	// if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[e474cf09]	275	// fmt( os, "%ls", s );
[3ce0d440]	276	// return os;
	277	// } // ?\|?
[d3b7937]	278
[3ce0d440]	279	// #if ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) // char32_t == wchar_t => ambiguous
[e474cf09]	280	// ostype & ?\|?( ostype & os, const char32_t * s ) {
[6c5d92f]	281	// if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[e474cf09]	282	// fmt( os, "%ls", s );
[3ce0d440]	283	// return os;
	284	// } // ?\|?
	285	// #endif // ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 )
[d3b7937]	286
[e474cf09]	287	// ostype & ?\|?( ostype & os, const wchar_t * s ) {
[6c5d92f]	288	// if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[e474cf09]	289	// fmt( os, "%ls", s );
[3ce0d440]	290	// return os;
	291	// } // ?\|?
	292
	293	ostype & ?\|?( ostype & os, const void * p ) {
[6c5d92f]	294	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[3ce0d440]	295	fmt( os, "%p", p );
	296	return os;
	297	} // ?\|?
[94d2544]	298	OSTYPE_VOID_IMPL( const void * )
[3ce0d440]	299
	300	// manipulators
	301	ostype & ?\|?( ostype & os, ostype & (* manip)( ostype & ) ) {
[e474cf09]	302	return manip( os );
[200fcb3]	303	} // ?\|?
	304	void ?\|?( ostype & os, ostype & (* manip)( ostype & ) ) {
[e474cf09]	305	manip( os );
[6c5d92f]	306	if ( getPrt$( os ) ) ends( os ); // something printed ?
	307	setPrt$( os, false ); // turn off
[3ce0d440]	308	} // ?\|?
	309
[200fcb3]	310	ostype & nl( ostype & os ) {
[9d362a0]	311	(ostype &)(os \| '\n');
[6c5d92f]	312	setPrt$( os, false ); // turn off
	313	setNL$( os, true );
[f5d9c37]	314	return nosep( os ); // prepare for next line
[200fcb3]	315	} // nl
	316
	317	ostype & nonl( ostype & os ) {
[6c5d92f]	318	setPrt$( os, false ); // turn off
[3ce0d440]	319	return os;
[200fcb3]	320	} // nonl
[3ce0d440]	321
[f5d9c37]	322	ostype & nlOn( ostype & os ) {
	323	nlOn( os ); // call void returning
[3ce0d440]	324	return os;
[f5d9c37]	325	} // nlOn
[3ce0d440]	326
[f5d9c37]	327	ostype & nlOff( ostype & os ) {
	328	nlOff( os ); // call void returning
[3ce0d440]	329	return os;
[f5d9c37]	330	} // nlOff
[6de9f4a]	331
[f5d9c37]	332	ostype & sepVal( ostype & os ) {
	333	return (ostype &)(os \| sepGet( os ));
	334	} // sepVal
	335
	336	ostype & sepTupleVal( ostype & os ) {
	337	return os \| sepGetTuple( os );
	338	} // sepTupleVal
	339
	340	ostype & sep( ostype & os ) {
	341	sep( os ); // call void returning
[3ce0d440]	342	return os;
[f5d9c37]	343	} // sep
[b6dc097]	344
[f5d9c37]	345	ostype & nosep( ostype & os ) {
	346	nosep( os ); // call void returning
[3ce0d440]	347	return os;
[f5d9c37]	348	} // nosep
[cf16f94]	349
[f5d9c37]	350	ostype & sepOn( ostype & os ) {
	351	sepOn( os ); // call void returning
[200fcb3]	352	return os;
[f5d9c37]	353	} // sepOn
[200fcb3]	354
[f5d9c37]	355	ostype & sepOff( ostype & os ) {
	356	sepOff( os ); // call void returning
[200fcb3]	357	return os;
[f5d9c37]	358	} // sepOff
[85d8153]	359	} // distribution
[e474cf09]	360
[c443d1d]	361	// tuples
[fd54fef]	362	forall( ostype &, T, Params... \| writeable( T, ostype ) \| { ostype & ?\|?( ostype &, Params ); } ) {
[200fcb3]	363	ostype & ?\|?( ostype & os, T arg, Params rest ) {
[9d362a0]	364	(ostype &)(os \| arg); // print first argument
[6c5d92f]	365	sepSetCur$( os, sepGetTuple( os ) ); // switch to tuple separator
[9d362a0]	366	(ostype &)(os \| rest); // print remaining arguments
[6c5d92f]	367	sepSetCur$( os, sepGet( os ) ); // switch to regular separator
[200fcb3]	368	return os;
	369	} // ?\|?
	370	void ?\|?( ostype & os, T arg, Params rest ) {
[65240bb]	371	// (ostype &)(?\|?( os, arg, rest )); ends( os );
[9d362a0]	372	(ostype &)(os \| arg); // print first argument
[6c5d92f]	373	sepSetCur$( os, sepGetTuple( os ) ); // switch to tuple separator
[9d362a0]	374	(ostype &)(os \| rest); // print remaining arguments
[6c5d92f]	375	sepSetCur$( os, sepGet( os ) ); // switch to regular separator
[65240bb]	376	ends( os );
[200fcb3]	377	} // ?\|?
	378	} // distribution
[c443d1d]	379
[61c7239]	380	// writes the range [begin, end) to the given stream
[fd54fef]	381	forall( ostype &, elt_type \| writeable( elt_type, ostype ), iterator_type \| iterator( iterator_type, elt_type ) ) {
[61c7239]	382	void write( iterator_type begin, iterator_type end, ostype & os ) {
	383	void print( elt_type i ) { os \| i; }
	384	for_each( begin, end, print );
	385	} // ?\|?
	386
	387	void write_reverse( iterator_type begin, iterator_type end, ostype & os ) {
	388	void print( elt_type i ) { os \| i; }
	389	for_each_reverse( begin, end, print );
	390	} // ?\|?
	391	} // distribution
	392
[8d321f9]	393	// ********************************* manipulators *********************************
[3c573e9]	394
[8d321f9]	395	// ********************************* integral *********************************
[3c573e9]	396
	397	static const char * shortbin[] = { "0", "1", "10", "11", "100", "101", "110", "111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111" };
	398	static const char * longbin[] = { "0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111" };
	399
	400	// Default prefix for non-decimal prints is 0b, 0, 0x.
[94d2544]	401	#define INTEGRAL_FMT_IMPL( T, IFMTNP, IFMTP ) \
[85d8153]	402	forall( ostype & \| basic_ostream( ostype ) ) { \
[3c573e9]	403	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ) { \
[6c5d92f]	404	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); \
[3c573e9]	405	\
	406	if ( f.base == 'b' \|\| f.base == 'B' ) { /* bespoke binary format */ \
[7fd71c7]	407	int bits = high1( f.val ); /* position of most significant bit */ \
	408	if ( bits == 0 ) bits = 1; /* 0 value => force one bit to print */ \
[c7978c0]	409	int spaces; \
[3c573e9]	410	if ( ! f.flags.left ) { /* right justified ? */ \
	411	/* Note, base prefix then zero padding or spacing then prefix. */ \
[c7978c0]	412	if ( f.flags.pc ) { \
	413	spaces = f.wd - f.pc; \
	414	if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \
	415	if ( spaces > 0 ) fmt( os, "%s", spaces, " " ); / space pad */ \
[3c573e9]	416	if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \
[c7978c0]	417	spaces = f.pc - bits; \
[3c573e9]	418	if ( spaces > 0 ) fmt( os, "%0d", spaces, 0 ); / zero pad */ \
	419	} else { \
[c7978c0]	420	spaces = f.wd - bits; \
	421	if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \
	422	if ( f.flags.pad0 ) { \
	423	if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \
	424	if ( spaces > 0 ) fmt( os, "%0d", spaces, 0 ); / zero pad */ \
	425	} else { \
	426	if ( spaces > 0 ) fmt( os, "%s", spaces, " " ); / space pad */ \
	427	if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \
	428	} /* if */ \
	429	} /* if */ \
	430	} else { \
	431	if ( ! f.flags.nobsdp ) fmt( os, "0%c", f.base ); \
	432	if ( f.flags.pc ) { \
	433	spaces = f.pc - bits; \
	434	if ( spaces > 0 ) fmt( os, "%0d", spaces, 0 ); / zero pad */ \
	435	spaces = f.wd - f.pc; \
	436	} else { /* pad0 flag ignored with left flag */ \
	437	spaces = f.wd - bits; \
[3c573e9]	438	} /* if */ \
[c7978c0]	439	if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \
[3c573e9]	440	} /* if */ \
[fd4d3017]	441	int shift = floor( bits - 1, 4 ); \
[3c573e9]	442	typeof( f.val ) temp = f.val; \
	443	fmt( os, "%s", shortbin[(temp >> shift) & 0xf] ); \
	444	for () { \
	445	shift -= 4; \
	446	if ( shift < 0 ) break; \
	447	temp = f.val; \
	448	fmt( os, "%s", longbin[(temp >> shift) & 0xf] ); \
	449	} /* for */ \
	450	if ( f.flags.left && spaces > 0 ) fmt( os, "%*s", spaces, " " ); \
	451	return os; \
[2c60c644]	452	} /* if */ \
[3c573e9]	453	\
	454	char fmtstr[sizeof(IFMTP)]; /* sizeof includes '\0' */ \
	455	if ( ! f.flags.pc ) memcpy( &fmtstr, IFMTNP, sizeof(IFMTNP) ); \
	456	else memcpy( &fmtstr, IFMTP, sizeof(IFMTP) ); \
[0c51f9ad]	457	int star = 5; /* position before first '' / \
[3c573e9]	458	\
	459	/* Insert flags into spaces before '', from right to left. / \
	460	if ( ! f.flags.nobsdp ) { fmtstr[star] = '#'; star -= 1; } \
	461	if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } \
[2c60c644]	462	if ( f.flags.sign ) { fmtstr[star] = '+'; star -= 1; } \
[3c573e9]	463	if ( f.flags.pad0 && ! f.flags.pc ) { fmtstr[star] = '0'; star -= 1; } \
[0c51f9ad]	464	fmtstr[star] = '\''; star -= 1; /* locale */ \
[3c573e9]	465	fmtstr[star] = '%'; \
	466	\
	467	if ( ! f.flags.pc ) { /* no precision */ \
	468	fmtstr[sizeof(IFMTNP)-2] = f.base; /* sizeof includes '\0' */ \
[2c60c644]	469	/* printf( "%s %c\n", &fmtstr[star], f.base ); */ \
[3c573e9]	470	fmt( os, &fmtstr[star], f.wd, f.val ); \
	471	} else { /* precision */ \
	472	fmtstr[sizeof(IFMTP)-2] = f.base; /* sizeof includes '\0' */ \
[2c60c644]	473	/* printf( "%s %c\n", &fmtstr[star], f.base ); */ \
[3c573e9]	474	fmt( os, &fmtstr[star], f.wd, f.pc, f.val ); \
	475	} /* if */ \
	476	return os; \
	477	} /* ?\|? */ \
[94d2544]	478	OSTYPE_VOID_IMPL( _Ostream_Manip(T) ) \
[3c573e9]	479	} // distribution
	480
[94d2544]	481	INTEGRAL_FMT_IMPL( signed char, " hh ", " .*hh " )
	482	INTEGRAL_FMT_IMPL( unsigned char, " hh ", " .*hh " )
	483	INTEGRAL_FMT_IMPL( signed short int, " h ", " .*h " )
	484	INTEGRAL_FMT_IMPL( unsigned short int, " h ", " .*h " )
	485	INTEGRAL_FMT_IMPL( signed int, " * ", " . " )
	486	INTEGRAL_FMT_IMPL( unsigned int, " * ", " . " )
	487	INTEGRAL_FMT_IMPL( signed long int, " l ", " .*l " )
	488	INTEGRAL_FMT_IMPL( unsigned long int, " l ", " .*l " )
	489	INTEGRAL_FMT_IMPL( signed long long int, " ll ", " .*ll " )
	490	INTEGRAL_FMT_IMPL( unsigned long long int, " ll ", " .*ll " )
[bd5b443]	491
[2c60c644]	492
	493	#if defined( __SIZEOF_INT128__ )
	494	// Default prefix for non-decimal prints is 0b, 0, 0x.
[85d8153]	495	forall( ostype & \| basic_ostream( ostype ) )
[2c60c644]	496	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 ) {
	497	int wd = 1; // f.wd is never 0 because 0 implies left-pad
	498	if ( val > power ) { // subdivide value into printable 64-bit values
	499	base_128( os, val / power, power, f, maxdig, bits, cnt + 1 ); // recursive
	500	f.val = val % power;
[ac9ba12]	501	if ( cnt == 1 && f.flags.left ) { wd = f.wd; f.wd = maxdig; } // copy f.wd and reset for printing middle chunk
[7d9bbef]	502	// printf( "R val:%#lx(%lu) wd:%u pc:%u base:%c neg:%d pc:%d left:%d nobsdp:%d sign:%d pad0:%d\n",
	503	// 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]	504	(ostype &)(os \| f);
	505	if ( cnt == 1 ) {
[ac9ba12]	506	if ( f.flags.left ) { wd -= maxdig; f.wd = wd < 0 ? 1 : wd; } // update and restore f.wd for printing end chunk
[f5d9c37]	507	nosep( os ); // no seperator between chunks
[2c60c644]	508	} // if
[ac9ba12]	509	} else { // print start chunk
[2c60c644]	510	f.val = val;
	511	// f.pc is unsigned => use wd
	512	if ( f.flags.pc && f.pc > maxdig * cnt ) { wd = f.pc - maxdig * cnt; f.pc = wd < 0 ? 0 : wd; }
	513	else { f.flags.pc = false; f.pc = 0; }
	514
	515	if ( ! f.flags.left ) { // right justify
	516	wd = f.wd - maxdig * cnt;
	517	f.wd = wd < 0 ? 1 : wd;
	518	wd = maxdig;
	519	} else { // left justify
	520	if ( cnt != 0 ) { // value >= 2^64 ?
	521	unsigned int dig, bs = 0;
[ac9ba12]	522	// compute size of prefix digits and base
[2c60c644]	523	if ( f.base == 'd' \|\| f.base == 'u' ) { // no base prefix
	524	dig = ceil( log10( f.val ) ); // use floating-point
	525	if ( f.base == 'd' && (f.flags.neg \|\| f.flags.sign) ) bs = 1; // sign ?
	526	} else {
[53fd995]	527	dig = ceiling_div( high1( f.val ), bits );
[2c60c644]	528	if ( ! f.flags.nobsdp ) { // base prefix ?
	529	if ( f.base == 'o' ) {
	530	// 0 prefix for octal is not added for precision with leading zero
	531	if ( f.pc <= dig ) bs = 1; // 1 character prefix
	532	} else bs = 2; // 2 character prefix
	533	} // if
	534	} // if
	535	wd = f.wd - (f.pc > dig ? f.pc : dig) - bs; // precision > leading digits ?
	536	if ( wd < 0 ) wd = 1;
	537	f.wd = 1;
	538	} // if
	539	// all manipulators handled implicitly for value < 2^64
	540	} // if
	541	// prior checks ensure wd not negative
	542
	543	if ( f.flags.neg ) f.val = -f.val;
[7d9bbef]	544	// printf( "L val:%#lx(%lu) wd:%u pc:%u base:%c neg:%d pc:%d left:%d nobsdp:%d sign:%d pad0:%d\n",
	545	// 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]	546	(ostype &)(os \| f);
	547
[ac9ba12]	548	// remaining middle and end chunks are padded with 0s on the left
[2c60c644]	549	if ( ! f.flags.left ) { f.flags.pad0 = true; f.flags.pc = false; } // left pad with 0s
	550	else { f.pc = maxdig; f.flags.pc = true; } // left pad with precision
[ac9ba12]	551
[f5d9c37]	552	if ( cnt != 0 ) nosep( os ); // no seperator between chunks
[ac9ba12]	553	f.wd = wd; // reset f.wd for next chunk
	554	f.flags.sign = false; // no leading +/- sign
	555	f.flags.nobsdp = true; // no leading base prefix
[2c60c644]	556	} // if
	557	} // base_128
	558
[94d2544]	559	#define INTEGRAL_FMT_IMPL128( T ) \
[85d8153]	560	forall( ostype & \| basic_ostream( ostype ) ) { \
[2c60c644]	561	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ) { \
	562	_Ostream_Manip(uint64_t) fmt; \
	563	fmt.[wd, pc, base, all] = f.[wd, pc, base, all]; \
	564	if ( f.base == 'b' \| f.base == 'B' ) { \
	565	base_128( os, f.val, (unsigned int128)1 << 64, fmt, 64, 1 ); \
	566	} else if ( f.base == 'o' ) { \
	567	base_128( os, f.val, (unsigned int128)1 << 63, fmt, 21, 3 ); \
	568	} else if ( f.base == 'd' \|\| f.base == 'u' ) { \
	569	if ( f.base == 'd' && f.val < 0 ) { f.val = -f.val; fmt.flags.neg = true; } \
	570	base_128( os, f.val, (unsigned int128)10_000_000_000_000_000_000UL, fmt, 19, 0 ); \
	571	} else { \
	572	base_128( os, f.val, (unsigned int128)1 << 64, fmt, 16, 4 ); \
	573	} /* if */ \
	574	return os; \
	575	} /* ?\|? */ \
[94d2544]	576	OSTYPE_VOID_IMPL( _Ostream_Manip(T) ) \
[2c60c644]	577	} // distribution
	578
[94d2544]	579	INTEGRAL_FMT_IMPL128( int128 )
	580	INTEGRAL_FMT_IMPL128( unsigned int128 )
[2c60c644]	581	#endif // __SIZEOF_INT128__
[bd5b443]	582
[8d321f9]	583	// ********************************* floating point *********************************
[3c573e9]	584
[fd4c009]	585	static const char *suffixes[] = {
	586	"y", "z", "a", "f", "p", "n", "u", "m", "",
	587	"K", "M", "G", "T", "P", "E", "Z", "Y"
	588	};
	589	#define SUFFIXES_START (-24) /* Smallest power for which there is a suffix defined. */
	590	#define SUFFIXES_END (SUFFIXES_START + (int)((sizeof(suffixes) / sizeof(char ) - 1) 3))
	591
[94d2544]	592	#define PRINT_WITH_DP2( os, format, ... ) \
[3c573e9]	593	{ \
[fd4c009]	594	if ( ! f.flags.eng ) { \
	595	len = snprintf( buf, size, format, ##__VA_ARGS__ ); \
	596	if ( isfinite( f.val ) && ( f.pc != 0 \|\| ! f.flags.nobsdp ) ) { /* if number, print decimal point when no fraction or exponent */ \
	597	for ( i = 0; i < len && buf[i] != '.' && buf[i] != 'e' && buf[i] != 'E'; i += 1 ); /* decimal point or scientific ? */ \
	598	if ( i == len ) { \
	599	if ( ! f.flags.left ) { \
	600	buf[i] = '.'; buf[i + 1] = '\0'; \
	601	if ( buf[0] == ' ' ) bufbeg = 1; /* decimal point within width */ \
	602	} else { \
	603	for ( i = 0; i < len && buf[i] != ' '; i += 1 ); /* trailing blank ? */ \
	604	buf[i] = '.'; \
	605	if ( i == len ) buf[i + 1] = '\0'; \
	606	} /* if */ \
[3c573e9]	607	} /* if */ \
	608	} /* if */ \
[fd4c009]	609	} else { \
	610	int exp10, len2; \
	611	eng( f.val, f.pc, exp10 ); /* changes arguments */ \
[b1e614f4]	612	/* printf( "%g %d %d %d %s\n", f.val, f.wd, f.pc, exp10, format ); */ \
[fd4c009]	613	if ( ! f.flags.left && f.wd > 1 ) { \
[b1e614f4]	614	/* Exponent size: 'e', optional minus sign, number of digits: log10(0) => undefined */ \
	615	f.wd -= 1 + (exp10 < 0 ? 1 : 0) + lrint( floor( exp10 == 0 ? 0 : log10( abs( exp10 ) ) ) ) + 1; \
[fd4c009]	616	if ( f.wd < 1 ) f.wd = 1; \
	617	} /* if */ \
	618	len = snprintf( buf, size, format, ##__VA_ARGS__ ); \
	619	if ( f.flags.left ) { \
	620	for ( len -= 1; len > 0 && buf[len] == ' '; len -= 1 ); \
	621	len += 1; \
	622	} /* if */ \
	623	if ( ! f.flags.nobsdp \|\| (exp10 < SUFFIXES_START) \|\| (exp10 > SUFFIXES_END) ) { \
[fb907d3]	624	len2 = snprintf( &buf[len], size - len, "e%d", (int)exp10 /* ambiguity with function exp10 */ ); \
[fd4c009]	625	} else { \
	626	len2 = snprintf( &buf[len], size - len, "%s", suffixes[(exp10 - SUFFIXES_START) / 3] ); \
	627	} /* if */ \
	628	if ( f.flags.left && len + len2 < f.wd ) buf[len + len2] = ' '; \
[3c573e9]	629	} /* if */ \
	630	fmt( os, "%s", &buf[bufbeg] ); \
	631	}
	632
[94d2544]	633	#define FLOATING_POINT_FMT_IMPL( T, DFMTNP, DFMTP ) \
[85d8153]	634	forall( ostype & \| basic_ostream( ostype ) ) { \
[fd4c009]	635	static void eng( T &value, int & pc, int & exp10 ) { \
	636	exp10 = lrint( floor( log10( abs( value ) ) ) ); /* round to desired precision */ \
	637	if ( exp10 < 0 ) exp10 -= 2; \
	638	exp10 = floor( exp10, 3 ); \
	639	value *= pow( 10.0, -exp10 ); \
	640	if ( pc <= 3 ) pc = 3; \
	641	} /* eng */ \
	642	\
[3c573e9]	643	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ) { \
[fd4c009]	644	enum { size = 48 }; \
	645	char buf[size]; \
	646	int bufbeg = 0, i, len; \
	647	\
[6c5d92f]	648	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); \
[fd4c009]	649	char fmtstr[sizeof(DFMTP) + 8]; /* sizeof includes '\0' */ \
[3c573e9]	650	if ( ! f.flags.pc ) memcpy( &fmtstr, DFMTNP, sizeof(DFMTNP) ); \
	651	else memcpy( &fmtstr, DFMTP, sizeof(DFMTP) ); \
[b5f17e1]	652	int star = 5; /* position before first '' / \
[3c573e9]	653	\
	654	/* Insert flags into spaces before '', from right to left. / \
	655	if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } \
	656	if ( f.flags.sign ) { fmtstr[star] = '+'; star -= 1; } \
	657	if ( f.flags.pad0 ) { fmtstr[star] = '0'; star -= 1; } \
[b5f17e1]	658	fmtstr[star] = '\''; star -= 1; /* locale */ \
[3c573e9]	659	fmtstr[star] = '%'; \
	660	\
	661	if ( ! f.flags.pc ) { /* no precision */ \
	662	fmtstr[sizeof(DFMTNP)-2] = f.base; /* sizeof includes '\0' */ \
[b1e614f4]	663	/* printf( "%g %d %s\n", f.val, f.wd, &fmtstr[star] ); */ \
[94d2544]	664	PRINT_WITH_DP2( os, &fmtstr[star], f.wd, f.val ) \
[3c573e9]	665	} else { /* precision */ \
	666	fmtstr[sizeof(DFMTP)-2] = f.base; /* sizeof includes '\0' */ \
	667	/* printf( "%g %d %d %s\n", f.val, f.wd, f.pc, &fmtstr[star] ); */ \
[94d2544]	668	PRINT_WITH_DP2( os, &fmtstr[star], f.wd, f.pc, f.val ) \
[3c573e9]	669	} /* if */ \
	670	return os; \
	671	} /* ?\|? */ \
[e3fea42]	672	\
[94d2544]	673	OSTYPE_VOID_IMPL( _Ostream_Manip(T) ) \
[3c573e9]	674	} // distribution
	675
[94d2544]	676	FLOATING_POINT_FMT_IMPL( double, " * ", " . " )
	677	FLOATING_POINT_FMT_IMPL( long double, " L ", " .*L " )
[3c573e9]	678
[8d321f9]	679	// ********************************* character *********************************
[3c573e9]	680
[85d8153]	681	forall( ostype & \| basic_ostream( ostype ) ) {
[3c573e9]	682	ostype & ?\|?( ostype & os, _Ostream_Manip(char) f ) {
[4f37255]	683	if ( f.base != 'c' ) { // bespoke binary/octal/hex format
[3c573e9]	684	_Ostream_Manip(unsigned char) fmtuc @= { f.val, f.wd, f.pc, f.base, {'\0'} };
	685	fmtuc.flags.pc = f.flags.pc;
	686	fmtuc.flags.nobsdp = f.flags.nobsdp;
	687	// os \| fmtuc \| nonl;
	688	(ostype &)(os \| fmtuc);
	689	return os;
	690	} // if
	691
[6c5d92f]	692	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[3c573e9]	693
	694	#define CFMTNP "% * "
[4f37255]	695	char fmtstr[sizeof(CFMTNP)]; // sizeof includes '\0'
[3c573e9]	696	memcpy( &fmtstr, CFMTNP, sizeof(CFMTNP) );
[4f37255]	697	int star = 1; // position before first '*'
[3c573e9]	698
	699	// Insert flags into spaces before '*', from right to left.
	700	if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; }
	701	fmtstr[star] = '%';
	702
[4f37255]	703	fmtstr[sizeof(CFMTNP)-2] = f.base; // sizeof includes '\0'
[3c573e9]	704	// printf( "%d %s\n", f.wd, &fmtstr[star] );
	705	fmt( os, &fmtstr[star], f.wd, f.val );
	706	return os;
	707	} // ?\|?
[94d2544]	708	OSTYPE_VOID_IMPL( _Ostream_Manip(char) )
[3c573e9]	709	} // distribution
	710
[8d321f9]	711	// ********************************* C string *********************************
[3c573e9]	712
[85d8153]	713	forall( ostype & \| basic_ostream( ostype ) ) {
[3c573e9]	714	ostype & ?\|?( ostype & os, _Ostream_Manip(const char *) f ) {
	715	if ( ! f.val ) return os; // null pointer ?
	716
	717	if ( f.base != 's' ) { // bespoke binary/octal/hex format
	718	_Ostream_Manip(unsigned char) fmtuc @= { 0, f.wd, f.pc, f.base, {'\0'} };
	719	fmtuc.flags.pc = f.flags.pc;
	720	fmtuc.flags.nobsdp = f.flags.nobsdp;
[ebf8ca5]	721	for ( i; 0 ~ @ : @; f.val[i] != '\0' ) {
[3c573e9]	722	fmtuc.val = f.val[i];
	723	// os \| fmtuc \| nonl;
	724	(ostype &)(os \| fmtuc);
	725	} // for
	726	return os;
	727	} // if
	728
[f5d9c37]	729	if ( f.val[0] != '\0' && // null string => no leading separator
	730	sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[3c573e9]	731
	732	#define SFMTNP "% * "
	733	#define SFMTP "% . "
	734	char fmtstr[sizeof(SFMTP)]; // sizeof includes '\0'
	735	if ( ! f.flags.pc ) memcpy( &fmtstr, SFMTNP, sizeof(SFMTNP) );
	736	else memcpy( &fmtstr, SFMTP, sizeof(SFMTP) );
	737	int star = 1; // position before first '*'
	738
	739	// Insert flags into spaces before '*', from right to left.
	740	if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; }
	741	fmtstr[star] = '%';
	742
	743	if ( ! f.flags.pc ) { // no precision
	744	// printf( "%d %s\n", f.wd, &fmtstr[star] );
	745	fmtstr[sizeof(SFMTNP)-2] = f.base; // sizeof includes '\0'
	746	fmt( os, &fmtstr[star], f.wd, f.val );
	747	} else { // precision
	748	fmtstr[sizeof(SFMTP)-2] = f.base; // sizeof includes '\0'
	749	// printf( "%d %d %s\n", f.wd, f.pc, &fmtstr[star] );
	750	fmt( os, &fmtstr[star], f.wd, f.pc, f.val );
	751	} // if
[f5d9c37]	752	if ( f.val[0] == '\0' ) { nosep( os ); } // null string => no trailing separator
[3c573e9]	753	return os;
	754	} // ?\|?
[94d2544]	755	OSTYPE_VOID_IMPL( _Ostream_Manip(const char *) )
[3c573e9]	756	} // distribution
	757
	758
[8d321f9]	759	// ********************************* istream *********************************
[3c573e9]	760
[e56cfdb0]	761
[ef3ac46]	762	forall( istype & \| basic_istream( istype ) ) {
[93c2e0a]	763	istype & ?\|?( istype & is, bool & b ) {
[3ce0d440]	764	char val[6];
	765	fmt( is, "%5s", val );
	766	if ( strcmp( val, "true" ) == 0 ) b = true;
	767	else if ( strcmp( val, "false" ) == 0 ) b = false;
	768	else {
[93c2e0a]	769	fprintf( stderr, "invalid Boolean constant\n" );
[4f37255]	770	abort(); // cannot use abort stream
[3ce0d440]	771	} // if
	772	return is;
	773	} // ?\|?
[c635047]	774	ISTYPE_VOID_IMPL( bool & )
[3ce0d440]	775
	776	istype & ?\|?( istype & is, char & c ) {
[0efb269]	777	char temp;
	778	for () {
[4f37255]	779	fmt( is, "%c", &temp ); // must pass pointer through varg to fmt
[0efb269]	780	// do not overwrite parameter with newline unless appropriate
[c8371b5]	781	if ( temp != '\n' \|\| getANL$( is ) ) { c = temp; break; }
[0efb269]	782	if ( eof( is ) ) break;
	783	} // for
[3ce0d440]	784	return is;
	785	} // ?\|?
[c635047]	786	ISTYPE_VOID_IMPL( char & )
[3ce0d440]	787
	788	istype & ?\|?( istype & is, signed char & sc ) {
[3c573e9]	789	fmt( is, "%hhi", &sc );
[3ce0d440]	790	return is;
	791	} // ?\|?
[c635047]	792	ISTYPE_VOID_IMPL( signed char & )
[3ce0d440]	793
	794	istype & ?\|?( istype & is, unsigned char & usc ) {
[3c573e9]	795	fmt( is, "%hhi", &usc );
[3ce0d440]	796	return is;
	797	} // ?\|?
[c635047]	798	ISTYPE_VOID_IMPL( unsigned char & )
[3ce0d440]	799
	800	istype & ?\|?( istype & is, short int & si ) {
[3c573e9]	801	fmt( is, "%hi", &si );
[3ce0d440]	802	return is;
	803	} // ?\|?
[c635047]	804	ISTYPE_VOID_IMPL( short int & )
[3ce0d440]	805
	806	istype & ?\|?( istype & is, unsigned short int & usi ) {
[3c573e9]	807	fmt( is, "%hi", &usi );
[3ce0d440]	808	return is;
	809	} // ?\|?
[c635047]	810	ISTYPE_VOID_IMPL( unsigned short int & )
[3ce0d440]	811
	812	istype & ?\|?( istype & is, int & i ) {
[3c573e9]	813	fmt( is, "%i", &i );
[3ce0d440]	814	return is;
	815	} // ?\|?
[c635047]	816	ISTYPE_VOID_IMPL( int & )
[3ce0d440]	817
	818	istype & ?\|?( istype & is, unsigned int & ui ) {
[3c573e9]	819	fmt( is, "%i", &ui );
[3ce0d440]	820	return is;
	821	} // ?\|?
[c635047]	822	ISTYPE_VOID_IMPL( unsigned int & )
[3ce0d440]	823
	824	istype & ?\|?( istype & is, long int & li ) {
[3c573e9]	825	fmt( is, "%li", &li );
[3ce0d440]	826	return is;
	827	} // ?\|?
[c635047]	828	ISTYPE_VOID_IMPL( long int & )
[3ce0d440]	829
	830	istype & ?\|?( istype & is, unsigned long int & ulli ) {
[3c573e9]	831	fmt( is, "%li", &ulli );
[3ce0d440]	832	return is;
	833	} // ?\|?
[c635047]	834	ISTYPE_VOID_IMPL( unsigned long int & )
[3ce0d440]	835
	836	istype & ?\|?( istype & is, long long int & lli ) {
[3c573e9]	837	fmt( is, "%lli", &lli );
[3ce0d440]	838	return is;
	839	} // ?\|?
[c635047]	840	ISTYPE_VOID_IMPL( long long int & )
[3ce0d440]	841
	842	istype & ?\|?( istype & is, unsigned long long int & ulli ) {
[3c573e9]	843	fmt( is, "%lli", &ulli );
[3ce0d440]	844	return is;
	845	} // ?\|?
[c635047]	846	ISTYPE_VOID_IMPL( unsigned long long int & )
[3ce0d440]	847
[ef3ac46]	848	#if defined( __SIZEOF_INT128__ )
[e474cf09]	849	istype & ?\|?( istype & is, int128 & llli ) {
	850	return (istype &)(is \| (unsigned int128 &)llli);
	851	} // ?\|?
[c635047]	852	ISTYPE_VOID_IMPL( int128 & )
[fe68bdf]	853
[e474cf09]	854	istype & ?\|?( istype & is, unsigned int128 & ullli ) {
[fe68bdf]	855	char s[40];
	856	bool sign = false;
	857
	858	if ( fmt( is, " %[-]", s ) == 1 ) sign = true; // skip whitespace, negative sign ?
	859	// If the input is too large, the value returned is undefined. If there is no input, no value is returned
	860	if ( fmt( is, "%39[0-9]%*[0-9]", s ) == 1 ) { // take first 39 characters, ignore remaining
[e474cf09]	861	ullli = 0;
[ebf8ca5]	862	for ( i; 0 ~ @ : @; s[i] != '\0' ) {
[e474cf09]	863	ullli = ullli * 10 + s[i] - '0';
[fe68bdf]	864	} // for
[e474cf09]	865	if ( sign ) ullli = -ullli;
[fe68bdf]	866	} else if ( sign ) ungetc( is, '-' ); // return minus when no digits
	867	return is;
	868	} // ?\|?
[c635047]	869	ISTYPE_VOID_IMPL( unsigned int128 & )
[ef3ac46]	870	#endif // __SIZEOF_INT128__
[3ce0d440]	871
	872	istype & ?\|?( istype & is, float & f ) {
	873	fmt( is, "%f", &f );
	874	return is;
	875	} // ?\|?
[c635047]	876	ISTYPE_VOID_IMPL( float & )
[3ce0d440]	877
	878	istype & ?\|?( istype & is, double & d ) {
	879	fmt( is, "%lf", &d );
	880	return is;
	881	} // ?\|?
[c635047]	882	ISTYPE_VOID_IMPL( double & )
[3ce0d440]	883
	884	istype & ?\|?( istype & is, long double & ld ) {
	885	fmt( is, "%Lf", &ld );
	886	return is;
	887	} // ?\|?
[c635047]	888	ISTYPE_VOID_IMPL( long double & )
[3ce0d440]	889
	890	istype & ?\|?( istype & is, float _Complex & fc ) {
	891	float re, im;
[3c573e9]	892	fmt( is, "%f%fi", &re, &im );
[3ce0d440]	893	fc = re + im * _Complex_I;
	894	return is;
	895	} // ?\|?
[c635047]	896	ISTYPE_VOID_IMPL( float _Complex & )
[3ce0d440]	897
	898	istype & ?\|?( istype & is, double _Complex & dc ) {
	899	double re, im;
	900	fmt( is, "%lf%lfi", &re, &im );
	901	dc = re + im * _Complex_I;
	902	return is;
	903	} // ?\|?
[c635047]	904	ISTYPE_VOID_IMPL( double _Complex & )
[3ce0d440]	905
	906	istype & ?\|?( istype & is, long double _Complex & ldc ) {
	907	long double re, im;
	908	fmt( is, "%Lf%Lfi", &re, &im );
	909	ldc = re + im * _Complex_I;
	910	return is;
	911	} // ?\|?
[c635047]	912	ISTYPE_VOID_IMPL( long double _Complex & )
[3ce0d440]	913
[e3fea42]	914	// istype & ?\|?( istype & is, const char fmt[] ) {
[dc5072f]	915	// fmt( is, fmt, "" );
	916	// return is;
	917	// } // ?\|?
[04396aa]	918
[e474cf09]	919	istype & ?\|?( istype & is, char s[] ) {
[04396aa]	920	fmt( is, "%s", s );
	921	return is;
	922	} // ?\|?
[c635047]	923	ISTYPE_VOID_IMPL( char * )
[04396aa]	924
[3ce0d440]	925	// manipulators
	926	istype & ?\|?( istype & is, istype & (* manip)( istype & ) ) {
	927	return manip( is );
	928	} // ?\|?
[e474cf09]	929	void ?\|?( istype & is, istype & (* manip)( istype & ) ) {
	930	manip( is ); ends( is );
	931	} // ?\|?
[3ce0d440]	932
[200fcb3]	933	istype & nl( istype & is ) {
[3c5dee4]	934	fmt( is, "%*[^\n]" ); // ignore characters to newline
[3ce0d440]	935	return is;
[200fcb3]	936	} // nl
[0efb269]	937
	938	istype & nlOn( istype & is ) {
	939	nlOn( is ); // call void returning
	940	return is;
	941	} // nlOn
	942
	943	istype & nlOff( istype & is ) {
	944	nlOff( is ); // call void returning
	945	return is;
	946	} // nlOff
[ef3ac46]	947	} // distribution
[44574f2]	948
[8d321f9]	949	// ********************************* manipulators *********************************
[3c573e9]	950
[ef3ac46]	951	forall( istype & \| basic_istream( istype ) ) {
[e474cf09]	952	istype & ?\|?( istype & is, _Istream_Cstr f ) {
	953	// skip xxx
	954	if ( ! f.s ) {
	955	// printf( "skip %s %d\n", f.scanset, f.wd );
	956	if ( f.wd == -1 ) fmt( is, f.scanset, "" ); // no input arguments
	957	else for ( f.wd ) fmt( is, "%*c" );
	958	return is;
	959	} // if
	960	size_t len = 0;
	961	if ( f.scanset ) len = strlen( f.scanset );
	962	char fmtstr[len + 16];
	963	int start = 1;
	964	fmtstr[0] = '%';
	965	if ( f.flags.ignore ) { fmtstr[1] = '*'; start += 1; }
	966	if ( f.wd != -1 ) { start += sprintf( &fmtstr[start], "%d", f.wd ); }
	967	// cstr %s, %s, %ws, %ws
	968	if ( ! f.scanset ) {
	969	fmtstr[start] = 's'; fmtstr[start + 1] = '\0';
	970	// printf( "cstr %s\n", fmtstr );
	971	fmt( is, fmtstr, f.s );
	972	return is;
	973	} // if
	974	// incl %[xxx], %[xxx], %w[xxx], %w[xxx]
	975	// excl %[^xxx], %[^xxx], %w[^xxx], %w[^xxx]
	976	fmtstr[start] = '['; start += 1;
	977	if ( f.flags.inex ) { fmtstr[start] = '^'; start += 1; }
	978	strcpy( &fmtstr[start], f.scanset ); // copy includes '\0'
	979	len += start;
	980	fmtstr[len] = ']'; fmtstr[len + 1] = '\0';
	981	// printf( "incl/excl %s\n", fmtstr );
[61c7239]	982	fmt( is, fmtstr, f.s );
	983	return is;
[e474cf09]	984	} // ?\|?
[c635047]	985	ISTYPE_VOID_IMPL( _Istream_Cstr )
[e474cf09]	986
	987	istype & ?\|?( istype & is, _Istream_Char f ) {
	988	fmt( is, "%*c" ); // argument variable unused
	989	return is;
	990	} // ?\|?
[c635047]	991	ISTYPE_VOID_IMPL( _Istream_Char )
[e474cf09]	992	} // distribution
[86a8be5]	993
[94d2544]	994	#define INPUT_FMT_IMPL( T, CODE ) \
[ef3ac46]	995	forall( istype & \| basic_istream( istype ) ) { \
[e474cf09]	996	istype & ?\|?( istype & is, _Istream_Manip(T) f ) { \
	997	enum { size = 16 }; \
	998	char fmtstr[size]; \
	999	if ( f.wd == -1 ) { \
	1000	snprintf( fmtstr, size, "%%%s%s", f.ignore ? "*" : "", CODE ); \
	1001	} else { \
	1002	snprintf( fmtstr, size, "%%%s%d%s", f.ignore ? "*" : "", f.wd, CODE ); \
	1003	} /* if */ \
	1004	/* printf( "%d %s %p\n", f.wd, fmtstr, &f.val ); */ \
	1005	fmt( is, fmtstr, &f.val ); \
	1006	return is; \
	1007	} /* ?\|? */ \
[c635047]	1008	ISTYPE_VOID_IMPL( _Istream_Manip(T) ) \
[e474cf09]	1009	} // distribution
[3c573e9]	1010
[94d2544]	1011	INPUT_FMT_IMPL( signed char, "hhi" )
	1012	INPUT_FMT_IMPL( unsigned char, "hhi" )
	1013	INPUT_FMT_IMPL( signed short int, "hi" )
	1014	INPUT_FMT_IMPL( unsigned short int, "hi" )
	1015	INPUT_FMT_IMPL( signed int, "i" )
	1016	INPUT_FMT_IMPL( unsigned int, "i" )
	1017	INPUT_FMT_IMPL( signed long int, "li" )
	1018	INPUT_FMT_IMPL( unsigned long int, "li" )
	1019	INPUT_FMT_IMPL( signed long long int, "lli" )
	1020	INPUT_FMT_IMPL( unsigned long long int, "lli" )
	1021
	1022	INPUT_FMT_IMPL( float, "f" )
	1023	INPUT_FMT_IMPL( double, "lf" )
	1024	INPUT_FMT_IMPL( long double, "Lf" )
[3c573e9]	1025
[ef3ac46]	1026	forall( istype & \| basic_istream( istype ) ) {
[e474cf09]	1027	istype & ?\|?( istype & is, _Istream_Manip(float _Complex) fc ) {
	1028	float re, im;
	1029	_Istream_Manip(float) fmtuc @= { re, fc.wd, fc.ignore };
	1030	is \| fmtuc;
	1031	&fmtuc.val = &im;
	1032	is \| fmtuc;
	1033	if ( ! fc.ignore ) fc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
	1034	return is;
	1035	} // ?\|?
[c635047]	1036	ISTYPE_VOID_IMPL( _Istream_Manip(float _Complex) )
[e474cf09]	1037
	1038	istype & ?\|?( istype & is, _Istream_Manip(double _Complex) dc ) {
	1039	double re, im;
	1040	_Istream_Manip(double) fmtuc @= { re, dc.wd, dc.ignore };
	1041	is \| fmtuc;
	1042	&fmtuc.val = &im;
	1043	is \| fmtuc;
	1044	if ( ! dc.ignore ) dc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
	1045	return is;
	1046	} // ?\|?
[c635047]	1047	ISTYPE_VOID_IMPL( _Istream_Manip(double _Complex) )
[e474cf09]	1048
	1049	istype & ?\|?( istype & is, _Istream_Manip(long double _Complex) ldc ) {
	1050	long double re, im;
	1051	_Istream_Manip(long double) fmtuc @= { re, ldc.wd, ldc.ignore };
	1052	is \| fmtuc;
	1053	&fmtuc.val = &im;
	1054	is \| fmtuc;
	1055	if ( ! ldc.ignore ) ldc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
	1056	return is;
	1057	} // ?\|?
[c635047]	1058	ISTYPE_VOID_IMPL( _Istream_Manip(long double _Complex) )
[e474cf09]	1059	} // distribution
[3c573e9]	1060
[86bd7c1f]	1061	// Local Variables: //
	1062	// tab-width: 4 //
[084520f]	1063	// compile-command: "cfa iostream.cfa" //
[86bd7c1f]	1064	// End: //

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