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iostream.cfa @ 6528d75

ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum

Last change on this file since 6528d75 was fd4c009, checked in by Peter A. Buhr <pabuhr@…>, 4 years ago
fix incorrectly decimal-point printing, add engineering-notation manipulator
Property mode set to `100644`
File size: 38.7 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
[fd4c009]	12	// Last Modified On : Tue Apr 13 13:05:24 2021
	13	// Update Count : 1324
[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
[61c7239]	34
[8d321f9]	35	// ********************************* ostream *********************************
[61c7239]	36
	37
[fd54fef]	38	forall( ostype & \| ostream( ostype ) ) {
[93c2e0a]	39	ostype & ?\|?( ostype & os, bool b ) {
[d1a9ff5]	40	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	41	fmt( os, "%s", b ? "true" : "false" );
	42	return os;
	43	} // ?\|?
[200fcb3]	44	void ?\|?( ostype & os, bool b ) {
[65240bb]	45	(ostype &)(os \| b); ends( os );
[200fcb3]	46	} // ?\|?
[51b7345]	47
[200fcb3]	48	ostype & ?\|?( ostype & os, char c ) {
	49	fmt( os, "%c", c );
[d1a9ff5]	50	if ( c == '\n' ) $setNL( os, true );
[200fcb3]	51	return sepOff( os );
	52	} // ?\|?
	53	void ?\|?( ostype & os, char c ) {
[65240bb]	54	(ostype &)(os \| c); ends( os );
[3ce0d440]	55	} // ?\|?
	56
[200fcb3]	57	ostype & ?\|?( ostype & os, signed char sc ) {
[d1a9ff5]	58	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[200fcb3]	59	fmt( os, "%hhd", sc );
[3ce0d440]	60	return os;
	61	} // ?\|?
[200fcb3]	62	void ?\|?( ostype & os, signed char sc ) {
[65240bb]	63	(ostype &)(os \| sc); ends( os );
[200fcb3]	64	} // ?\|?
[3ce0d440]	65
[200fcb3]	66	ostype & ?\|?( ostype & os, unsigned char usc ) {
[d1a9ff5]	67	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[200fcb3]	68	fmt( os, "%hhu", usc );
[3ce0d440]	69	return os;
	70	} // ?\|?
[200fcb3]	71	void ?\|?( ostype & os, unsigned char usc ) {
[65240bb]	72	(ostype &)(os \| usc); ends( os );
[200fcb3]	73	} // ?\|?
[3ce0d440]	74
	75	ostype & ?\|?( ostype & os, short int si ) {
[d1a9ff5]	76	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	77	fmt( os, "%hd", si );
	78	return os;
	79	} // ?\|?
[200fcb3]	80	void & ?\|?( ostype & os, short int si ) {
[65240bb]	81	(ostype &)(os \| si); ends( os );
[200fcb3]	82	} // ?\|?
[3ce0d440]	83
	84	ostype & ?\|?( ostype & os, unsigned short int usi ) {
[d1a9ff5]	85	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	86	fmt( os, "%hu", usi );
	87	return os;
	88	} // ?\|?
[200fcb3]	89	void & ?\|?( ostype & os, unsigned short int usi ) {
[65240bb]	90	(ostype &)(os \| usi); ends( os );
[200fcb3]	91	} // ?\|?
[3ce0d440]	92
	93	ostype & ?\|?( ostype & os, int i ) {
[d1a9ff5]	94	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	95	fmt( os, "%d", i );
	96	return os;
	97	} // ?\|?
[200fcb3]	98	void & ?\|?( ostype & os, int i ) {
[65240bb]	99	(ostype &)(os \| i); ends( os );
[200fcb3]	100	} // ?\|?
[3ce0d440]	101
	102	ostype & ?\|?( ostype & os, unsigned int ui ) {
[d1a9ff5]	103	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	104	fmt( os, "%u", ui );
	105	return os;
	106	} // ?\|?
[200fcb3]	107	void & ?\|?( ostype & os, unsigned int ui ) {
[65240bb]	108	(ostype &)(os \| ui); ends( os );
[200fcb3]	109	} // ?\|?
[3ce0d440]	110
	111	ostype & ?\|?( ostype & os, long int li ) {
[d1a9ff5]	112	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	113	fmt( os, "%ld", li );
	114	return os;
	115	} // ?\|?
[200fcb3]	116	void & ?\|?( ostype & os, long int li ) {
[65240bb]	117	(ostype &)(os \| li); ends( os );
[200fcb3]	118	} // ?\|?
[3ce0d440]	119
	120	ostype & ?\|?( ostype & os, unsigned long int uli ) {
[d1a9ff5]	121	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	122	fmt( os, "%lu", uli );
	123	return os;
	124	} // ?\|?
[200fcb3]	125	void & ?\|?( ostype & os, unsigned long int uli ) {
[65240bb]	126	(ostype &)(os \| uli); ends( os );
[200fcb3]	127	} // ?\|?
[3ce0d440]	128
	129	ostype & ?\|?( ostype & os, long long int lli ) {
[d1a9ff5]	130	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	131	fmt( os, "%lld", lli );
	132	return os;
	133	} // ?\|?
[200fcb3]	134	void & ?\|?( ostype & os, long long int lli ) {
[65240bb]	135	(ostype &)(os \| lli); ends( os );
[200fcb3]	136	} // ?\|?
[3ce0d440]	137
	138	ostype & ?\|?( ostype & os, unsigned long long int ulli ) {
[d1a9ff5]	139	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	140	fmt( os, "%llu", ulli );
	141	return os;
	142	} // ?\|?
[200fcb3]	143	void & ?\|?( ostype & os, unsigned long long int ulli ) {
[65240bb]	144	(ostype &)(os \| ulli); ends( os );
[200fcb3]	145	} // ?\|?
[3ce0d440]	146
[bd5b443]	147	#if defined( __SIZEOF_INT128__ )
	148	// UINT64_MAX 18_446_744_073_709_551_615_ULL
	149	#define P10_UINT64 10_000_000_000_000_000_000_ULL // 19 zeroes
	150
[ffa48a8]	151	static inline void base10_128( ostype & os, unsigned int128 val ) {
	152	#if defined(__GNUC__) && __GNUC_PREREQ(7,0) // gcc version >= 7
[2c60c644]	153	if ( val > P10_UINT64 ) {
[ffa48a8]	154	#else
	155	if ( (uint64_t)(val >> 64) != 0 \|\| (uint64_t)val > P10_UINT64 ) { // patch gcc 5 & 6 -O3 bug
	156	#endif // __GNUC_PREREQ(7,0)
[bd5b443]	157	base10_128( os, val / P10_UINT64 ); // recursive
	158	fmt( os, "%.19lu", (uint64_t)(val % P10_UINT64) );
	159	} else {
	160	fmt( os, "%lu", (uint64_t)val );
	161	} // if
	162	} // base10_128
	163
[ffa48a8]	164	static inline void base10_128( ostype & os, int128 val ) {
[bd5b443]	165	if ( val < 0 ) {
	166	fmt( os, "-" ); // leading negative sign
	167	val = -val;
	168	} // if
	169	base10_128( os, (unsigned int128)val ); // print zero/positive value
	170	} // base10_128
	171
	172	ostype & ?\|?( ostype & os, int128 llli ) {
[e59e663]	173	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[bd5b443]	174	base10_128( os, llli );
	175	return os;
	176	} // ?\|?
	177	void & ?\|?( ostype & os, int128 llli ) {
	178	(ostype &)(os \| llli); ends( os );
	179	} // ?\|?
	180
	181	ostype & ?\|?( ostype & os, unsigned int128 ullli ) {
[e59e663]	182	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[bd5b443]	183	base10_128( os, ullli );
	184	return os;
	185	} // ?\|?
	186	void & ?\|?( ostype & os, unsigned int128 ullli ) {
	187	(ostype &)(os \| ullli); ends( os );
	188	} // ?\|?
	189	#endif // __SIZEOF_INT128__
	190
[e63326b]	191	#define PrintWithDP( os, format, val, ... ) \
	192	{ \
	193	enum { size = 48 }; \
	194	char buf[size]; \
	195	int len = snprintf( buf, size, format, ##__VA_ARGS__, val ); \
	196	fmt( os, "%s", buf ); \
[fd4c009]	197	if ( isfinite( val ) ) { /* if number, print decimal point when no fraction or exponent */ \
[e63326b]	198	for ( int i = 0;; i += 1 ) { \
	199	if ( i == len ) { fmt( os, "." ); break; } \
[fd4c009]	200	if ( buf[i] == '.' \|\| buf[i] == 'e' \|\| buf[i] == 'E' ) break; /* decimal point or scientific ? */ \
[e63326b]	201	} /* for */ \
	202	} /* if */ \
	203	}
[b2ac656]	204
[3ce0d440]	205	ostype & ?\|?( ostype & os, float f ) {
[d1a9ff5]	206	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[e63326b]	207	PrintWithDP( os, "%g", f );
[3ce0d440]	208	return os;
	209	} // ?\|?
[200fcb3]	210	void & ?\|?( ostype & os, float f ) {
[65240bb]	211	(ostype &)(os \| f); ends( os );
[200fcb3]	212	} // ?\|?
[3ce0d440]	213
	214	ostype & ?\|?( ostype & os, double d ) {
[d1a9ff5]	215	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[e63326b]	216	PrintWithDP( os, "%.*lg", d, DBL_DIG );
[3ce0d440]	217	return os;
	218	} // ?\|?
[200fcb3]	219	void & ?\|?( ostype & os, double d ) {
[65240bb]	220	(ostype &)(os \| d); ends( os );
[200fcb3]	221	} // ?\|?
[3ce0d440]	222
	223	ostype & ?\|?( ostype & os, long double ld ) {
[d1a9ff5]	224	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[e63326b]	225	PrintWithDP( os, "%.*Lg", ld, LDBL_DIG );
[3ce0d440]	226	return os;
	227	} // ?\|?
[200fcb3]	228	void & ?\|?( ostype & os, long double ld ) {
[65240bb]	229	(ostype &)(os \| ld); ends( os );
[200fcb3]	230	} // ?\|?
[3ce0d440]	231
	232	ostype & ?\|?( ostype & os, float _Complex fc ) {
[d1a9ff5]	233	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[b2ac656]	234	// os \| crealf( fc ) \| nonl;
[3c573e9]	235	PrintWithDP( os, "%g", crealf( fc ) );
	236	PrintWithDP( os, "%+g", cimagf( fc ) );
[3c5dee4]	237	fmt( os, "i" );
[3ce0d440]	238	return os;
	239	} // ?\|?
[200fcb3]	240	void & ?\|?( ostype & os, float _Complex fc ) {
[65240bb]	241	(ostype &)(os \| fc); ends( os );
[200fcb3]	242	} // ?\|?
[3ce0d440]	243
	244	ostype & ?\|?( ostype & os, double _Complex dc ) {
[d1a9ff5]	245	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[b2ac656]	246	// os \| creal( dc ) \| nonl;
[3c573e9]	247	PrintWithDP( os, "%.*lg", creal( dc ), DBL_DIG );
	248	PrintWithDP( os, "%+.*lg", cimag( dc ), DBL_DIG );
[3c5dee4]	249	fmt( os, "i" );
[3ce0d440]	250	return os;
	251	} // ?\|?
[200fcb3]	252	void & ?\|?( ostype & os, double _Complex dc ) {
[65240bb]	253	(ostype &)(os \| dc); ends( os );
[200fcb3]	254	} // ?\|?
[3ce0d440]	255
	256	ostype & ?\|?( ostype & os, long double _Complex ldc ) {
[d1a9ff5]	257	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[b2ac656]	258	// os \| creall( ldc ) \|\| nonl;
[3c573e9]	259	PrintWithDP( os, "%.*Lg", creall( ldc ), LDBL_DIG );
	260	PrintWithDP( os, "%+.*Lg", cimagl( ldc ), LDBL_DIG );
[3c5dee4]	261	fmt( os, "i" );
[3ce0d440]	262	return os;
	263	} // ?\|?
[200fcb3]	264	void & ?\|?( ostype & os, long double _Complex ldc ) {
[65240bb]	265	(ostype &)(os \| ldc); ends( os );
[200fcb3]	266	} // ?\|?
[3ce0d440]	267
[e474cf09]	268	ostype & ?\|?( ostype & os, const char s[] ) {
[3ce0d440]	269	enum { Open = 1, Close, OpenClose };
	270	static const unsigned char mask[256] @= {
	271	// opening delimiters, no space after
	272	['('] : Open, ['['] : Open, ['{'] : Open,
[ad72c8b]	273	['='] : Open, ['$'] : Open, [(unsigned char)'£'] : Open, [(unsigned char)'¥'] : Open,
	274	[(unsigned char)'¡'] : Open, [(unsigned char)'¿'] : Open, [(unsigned char)'«'] : Open,
[3ce0d440]	275	// closing delimiters, no space before
	276	[','] : Close, ['.'] : Close, [';'] : Close, ['!'] : Close, ['?'] : Close,
[ad72c8b]	277	['%'] : Close, [(unsigned char)'¢'] : Close, [(unsigned char)'»'] : Close,
[3ce0d440]	278	[')'] : Close, [']'] : Close, ['}'] : Close,
	279	// opening-closing delimiters, no space before or after
	280	['\''] : OpenClose, ['`'] : OpenClose, ['"'] : OpenClose, [':'] : OpenClose,
	281	[' '] : OpenClose, ['\f'] : OpenClose, ['\n'] : OpenClose, ['\r'] : OpenClose, ['\t'] : OpenClose, ['\v'] : OpenClose, // isspace
	282	}; // mask
	283
[e474cf09]	284	if ( s[0] == '\0' ) { sepOff( os ); return os; } // null string => no separator
[3ce0d440]	285
	286	// first character IS NOT spacing or closing punctuation => add left separator
[e474cf09]	287	unsigned char ch = s[0]; // must make unsigned
[d1a9ff5]	288	if ( $sepPrt( os ) && mask[ ch ] != Close && mask[ ch ] != OpenClose ) {
	289	fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	290	} // if
	291
	292	// if string starts line, must reset to determine open state because separator is off
[d1a9ff5]	293	$sepReset( os ); // reset separator
[3ce0d440]	294
	295	// last character IS spacing or opening punctuation => turn off separator for next item
[e474cf09]	296	size_t len = strlen( s );
	297	ch = s[len - 1]; // must make unsigned
[d1a9ff5]	298	if ( $sepPrt( os ) && mask[ ch ] != Open && mask[ ch ] != OpenClose ) {
[3ce0d440]	299	sepOn( os );
	300	} else {
	301	sepOff( os );
	302	} // if
[d1a9ff5]	303	if ( ch == '\n' ) $setNL( os, true ); // check AFTER $sepPrt call above as it resets NL flag
[e474cf09]	304	return write( os, s, len );
[3ce0d440]	305	} // ?\|?
[e474cf09]	306	void ?\|?( ostype & os, const char s[] ) {
	307	(ostype &)(os \| s); ends( os );
[200fcb3]	308	} // ?\|?
[3ce0d440]	309
[e474cf09]	310	// ostype & ?\|?( ostype & os, const char16_t * s ) {
[d1a9ff5]	311	// if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[e474cf09]	312	// fmt( os, "%ls", s );
[3ce0d440]	313	// return os;
	314	// } // ?\|?
[d3b7937]	315
[3ce0d440]	316	// #if ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) // char32_t == wchar_t => ambiguous
[e474cf09]	317	// ostype & ?\|?( ostype & os, const char32_t * s ) {
[d1a9ff5]	318	// if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[e474cf09]	319	// fmt( os, "%ls", s );
[3ce0d440]	320	// return os;
	321	// } // ?\|?
	322	// #endif // ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 )
[d3b7937]	323
[e474cf09]	324	// ostype & ?\|?( ostype & os, const wchar_t * s ) {
[d1a9ff5]	325	// if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[e474cf09]	326	// fmt( os, "%ls", s );
[3ce0d440]	327	// return os;
	328	// } // ?\|?
	329
	330	ostype & ?\|?( ostype & os, const void * p ) {
[d1a9ff5]	331	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	332	fmt( os, "%p", p );
	333	return os;
	334	} // ?\|?
[200fcb3]	335	void ?\|?( ostype & os, const void * p ) {
[65240bb]	336	(ostype &)(os \| p); ends( os );
[200fcb3]	337	} // ?\|?
[3ce0d440]	338
	339	// manipulators
	340	ostype & ?\|?( ostype & os, ostype & (* manip)( ostype & ) ) {
[e474cf09]	341	return manip( os );
[200fcb3]	342	} // ?\|?
	343	void ?\|?( ostype & os, ostype & (* manip)( ostype & ) ) {
[e474cf09]	344	manip( os );
[d1a9ff5]	345	if ( $getPrt( os ) ) ends( os ); // something printed ?
	346	$setPrt( os, false ); // turn off
[3ce0d440]	347	} // ?\|?
	348
	349	ostype & sep( ostype & os ) {
[9d362a0]	350	return (ostype &)(os \| sepGet( os ));
[3ce0d440]	351	} // sep
	352
	353	ostype & sepTuple( ostype & os ) {
[200fcb3]	354	return os \| sepGetTuple( os );
[3ce0d440]	355	} // sepTuple
	356
[200fcb3]	357	ostype & nl( ostype & os ) {
[9d362a0]	358	(ostype &)(os \| '\n');
[d1a9ff5]	359	$setPrt( os, false ); // turn off
	360	$setNL( os, true );
[3ce0d440]	361	flush( os );
[200fcb3]	362	return sepOff( os ); // prepare for next line
	363	} // nl
	364
	365	ostype & nonl( ostype & os ) {
[d1a9ff5]	366	$setPrt( os, false ); // turn off
[3ce0d440]	367	return os;
[200fcb3]	368	} // nonl
[3ce0d440]	369
	370	ostype & sepOn( ostype & os ) {
[200fcb3]	371	sepOn( os ); // call void returning
[3ce0d440]	372	return os;
	373	} // sepOn
	374
	375	ostype & sepOff( ostype & os ) {
[200fcb3]	376	sepOff( os ); // call void returning
[3ce0d440]	377	return os;
	378	} // sepOff
[6de9f4a]	379
[3ce0d440]	380	ostype & sepEnable( ostype & os ) {
[200fcb3]	381	sepEnable( os ); // call void returning
[3ce0d440]	382	return os;
	383	} // sepEnable
[b6dc097]	384
[3ce0d440]	385	ostype & sepDisable( ostype & os ) {
[200fcb3]	386	sepDisable( os ); // call void returning
[3ce0d440]	387	return os;
	388	} // sepDisable
[cf16f94]	389
[200fcb3]	390	ostype & nlOn( ostype & os ) {
	391	nlOn( os ); // call void returning
	392	return os;
	393	} // nlOn
	394
	395	ostype & nlOff( ostype & os ) {
	396	nlOff( os ); // call void returning
	397	return os;
	398	} // nlOff
[e474cf09]	399
	400	ostype & acquire( ostype & os ) {
	401	acquire( os ); // call void returning
	402	return os;
	403	} // acquire
[200fcb3]	404	} // distribution
[cf16f94]	405
[c443d1d]	406	// tuples
[fd54fef]	407	forall( ostype &, T, Params... \| writeable( T, ostype ) \| { ostype & ?\|?( ostype &, Params ); } ) {
[200fcb3]	408	ostype & ?\|?( ostype & os, T arg, Params rest ) {
[9d362a0]	409	(ostype &)(os \| arg); // print first argument
[d1a9ff5]	410	$sepSetCur( os, sepGetTuple( os ) ); // switch to tuple separator
[9d362a0]	411	(ostype &)(os \| rest); // print remaining arguments
[d1a9ff5]	412	$sepSetCur( os, sepGet( os ) ); // switch to regular separator
[200fcb3]	413	return os;
	414	} // ?\|?
	415	void ?\|?( ostype & os, T arg, Params rest ) {
[65240bb]	416	// (ostype &)(?\|?( os, arg, rest )); ends( os );
[9d362a0]	417	(ostype &)(os \| arg); // print first argument
[d1a9ff5]	418	$sepSetCur( os, sepGetTuple( os ) ); // switch to tuple separator
[9d362a0]	419	(ostype &)(os \| rest); // print remaining arguments
[d1a9ff5]	420	$sepSetCur( os, sepGet( os ) ); // switch to regular separator
[65240bb]	421	ends( os );
[200fcb3]	422	} // ?\|?
	423	} // distribution
[c443d1d]	424
[61c7239]	425	// writes the range [begin, end) to the given stream
[fd54fef]	426	forall( ostype &, elt_type \| writeable( elt_type, ostype ), iterator_type \| iterator( iterator_type, elt_type ) ) {
[61c7239]	427	void write( iterator_type begin, iterator_type end, ostype & os ) {
	428	void print( elt_type i ) { os \| i; }
	429	for_each( begin, end, print );
	430	} // ?\|?
	431
	432	void write_reverse( iterator_type begin, iterator_type end, ostype & os ) {
	433	void print( elt_type i ) { os \| i; }
	434	for_each_reverse( begin, end, print );
	435	} // ?\|?
	436	} // distribution
	437
[8d321f9]	438	// ********************************* manipulators *********************************
[3c573e9]	439
[8d321f9]	440	// ********************************* integral *********************************
[3c573e9]	441
	442	static const char * shortbin[] = { "0", "1", "10", "11", "100", "101", "110", "111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111" };
	443	static const char * longbin[] = { "0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111" };
	444
	445	// Default prefix for non-decimal prints is 0b, 0, 0x.
[2c60c644]	446	#define IntegralFMTImpl( T, IFMTNP, IFMTP ) \
[fd54fef]	447	forall( ostype & \| ostream( ostype ) ) { \
[3c573e9]	448	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ) { \
[d1a9ff5]	449	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) ); \
[3c573e9]	450	\
	451	if ( f.base == 'b' \|\| f.base == 'B' ) { /* bespoke binary format */ \
[7fd71c7]	452	int bits = high1( f.val ); /* position of most significant bit */ \
	453	if ( bits == 0 ) bits = 1; /* 0 value => force one bit to print */ \
[c7978c0]	454	int spaces; \
[3c573e9]	455	if ( ! f.flags.left ) { /* right justified ? */ \
	456	/* Note, base prefix then zero padding or spacing then prefix. */ \
[c7978c0]	457	if ( f.flags.pc ) { \
	458	spaces = f.wd - f.pc; \
	459	if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \
	460	if ( spaces > 0 ) fmt( os, "%s", spaces, " " ); / space pad */ \
[3c573e9]	461	if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \
[c7978c0]	462	spaces = f.pc - bits; \
[3c573e9]	463	if ( spaces > 0 ) fmt( os, "%0d", spaces, 0 ); / zero pad */ \
	464	} else { \
[c7978c0]	465	spaces = f.wd - bits; \
	466	if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \
	467	if ( f.flags.pad0 ) { \
	468	if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \
	469	if ( spaces > 0 ) fmt( os, "%0d", spaces, 0 ); / zero pad */ \
	470	} else { \
	471	if ( spaces > 0 ) fmt( os, "%s", spaces, " " ); / space pad */ \
	472	if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \
	473	} /* if */ \
	474	} /* if */ \
	475	} else { \
	476	if ( ! f.flags.nobsdp ) fmt( os, "0%c", f.base ); \
	477	if ( f.flags.pc ) { \
	478	spaces = f.pc - bits; \
	479	if ( spaces > 0 ) fmt( os, "%0d", spaces, 0 ); / zero pad */ \
	480	spaces = f.wd - f.pc; \
	481	} else { /* pad0 flag ignored with left flag */ \
	482	spaces = f.wd - bits; \
[3c573e9]	483	} /* if */ \
[c7978c0]	484	if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \
[3c573e9]	485	} /* if */ \
[fd4d3017]	486	int shift = floor( bits - 1, 4 ); \
[3c573e9]	487	typeof( f.val ) temp = f.val; \
	488	fmt( os, "%s", shortbin[(temp >> shift) & 0xf] ); \
	489	for () { \
	490	shift -= 4; \
	491	if ( shift < 0 ) break; \
	492	temp = f.val; \
	493	fmt( os, "%s", longbin[(temp >> shift) & 0xf] ); \
	494	} /* for */ \
	495	if ( f.flags.left && spaces > 0 ) fmt( os, "%*s", spaces, " " ); \
	496	return os; \
[2c60c644]	497	} /* if */ \
[3c573e9]	498	\
	499	char fmtstr[sizeof(IFMTP)]; /* sizeof includes '\0' */ \
	500	if ( ! f.flags.pc ) memcpy( &fmtstr, IFMTNP, sizeof(IFMTNP) ); \
	501	else memcpy( &fmtstr, IFMTP, sizeof(IFMTP) ); \
	502	int star = 4; /* position before first '' / \
	503	\
	504	/* Insert flags into spaces before '', from right to left. / \
	505	if ( ! f.flags.nobsdp ) { fmtstr[star] = '#'; star -= 1; } \
	506	if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } \
[2c60c644]	507	if ( f.flags.sign ) { fmtstr[star] = '+'; star -= 1; } \
[3c573e9]	508	if ( f.flags.pad0 && ! f.flags.pc ) { fmtstr[star] = '0'; star -= 1; } \
	509	fmtstr[star] = '%'; \
	510	\
	511	if ( ! f.flags.pc ) { /* no precision */ \
	512	fmtstr[sizeof(IFMTNP)-2] = f.base; /* sizeof includes '\0' */ \
[2c60c644]	513	/* printf( "%s %c\n", &fmtstr[star], f.base ); */ \
[3c573e9]	514	fmt( os, &fmtstr[star], f.wd, f.val ); \
	515	} else { /* precision */ \
	516	fmtstr[sizeof(IFMTP)-2] = f.base; /* sizeof includes '\0' */ \
[2c60c644]	517	/* printf( "%s %c\n", &fmtstr[star], f.base ); */ \
[3c573e9]	518	fmt( os, &fmtstr[star], f.wd, f.pc, f.val ); \
	519	} /* if */ \
	520	return os; \
	521	} /* ?\|? */ \
[e474cf09]	522	void ?\|?( ostype & os, _Ostream_Manip(T) f ) { \
	523	(ostype &)(os \| f); ends( os ); \
	524	} /* ?\|? */ \
[3c573e9]	525	} // distribution
	526
[fd4c009]	527	IntegralFMTImpl( signed char, " hh ", " .*hh " )
	528	IntegralFMTImpl( unsigned char, " hh ", " .*hh " )
	529	IntegralFMTImpl( signed short int, " h ", " .*h " )
	530	IntegralFMTImpl( unsigned short int, " h ", " .*h " )
	531	IntegralFMTImpl( signed int, " * ", " . " )
	532	IntegralFMTImpl( unsigned int, " * ", " . " )
	533	IntegralFMTImpl( signed long int, " l ", " .*l " )
	534	IntegralFMTImpl( unsigned long int, " l ", " .*l " )
	535	IntegralFMTImpl( signed long long int, " ll ", " .*ll " )
	536	IntegralFMTImpl( unsigned long long int, " ll ", " .*ll " )
[bd5b443]	537
[2c60c644]	538
	539	#if defined( __SIZEOF_INT128__ )
	540	// Default prefix for non-decimal prints is 0b, 0, 0x.
[fd54fef]	541	forall( ostype & \| ostream( ostype ) )
[2c60c644]	542	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 ) {
	543	int wd = 1; // f.wd is never 0 because 0 implies left-pad
	544	if ( val > power ) { // subdivide value into printable 64-bit values
	545	base_128( os, val / power, power, f, maxdig, bits, cnt + 1 ); // recursive
	546	f.val = val % power;
[ac9ba12]	547	if ( cnt == 1 && f.flags.left ) { wd = f.wd; f.wd = maxdig; } // copy f.wd and reset for printing middle chunk
[7d9bbef]	548	// printf( "R val:%#lx(%lu) wd:%u pc:%u base:%c neg:%d pc:%d left:%d nobsdp:%d sign:%d pad0:%d\n",
	549	// 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]	550	(ostype &)(os \| f);
	551	if ( cnt == 1 ) {
[ac9ba12]	552	if ( f.flags.left ) { wd -= maxdig; f.wd = wd < 0 ? 1 : wd; } // update and restore f.wd for printing end chunk
[2c60c644]	553	sepOff( os ); // no seperator between chunks
	554	} // if
[ac9ba12]	555	} else { // print start chunk
[2c60c644]	556	f.val = val;
	557	// f.pc is unsigned => use wd
	558	if ( f.flags.pc && f.pc > maxdig * cnt ) { wd = f.pc - maxdig * cnt; f.pc = wd < 0 ? 0 : wd; }
	559	else { f.flags.pc = false; f.pc = 0; }
	560
	561	if ( ! f.flags.left ) { // right justify
	562	wd = f.wd - maxdig * cnt;
	563	f.wd = wd < 0 ? 1 : wd;
	564	wd = maxdig;
	565	} else { // left justify
	566	if ( cnt != 0 ) { // value >= 2^64 ?
	567	unsigned int dig, bs = 0;
[ac9ba12]	568	// compute size of prefix digits and base
[2c60c644]	569	if ( f.base == 'd' \|\| f.base == 'u' ) { // no base prefix
	570	dig = ceil( log10( f.val ) ); // use floating-point
	571	if ( f.base == 'd' && (f.flags.neg \|\| f.flags.sign) ) bs = 1; // sign ?
	572	} else {
[53fd995]	573	dig = ceiling_div( high1( f.val ), bits );
[2c60c644]	574	if ( ! f.flags.nobsdp ) { // base prefix ?
	575	if ( f.base == 'o' ) {
	576	// 0 prefix for octal is not added for precision with leading zero
	577	if ( f.pc <= dig ) bs = 1; // 1 character prefix
	578	} else bs = 2; // 2 character prefix
	579	} // if
	580	} // if
	581	wd = f.wd - (f.pc > dig ? f.pc : dig) - bs; // precision > leading digits ?
	582	if ( wd < 0 ) wd = 1;
	583	f.wd = 1;
	584	} // if
	585	// all manipulators handled implicitly for value < 2^64
	586	} // if
	587	// prior checks ensure wd not negative
	588
	589	if ( f.flags.neg ) f.val = -f.val;
[7d9bbef]	590	// printf( "L val:%#lx(%lu) wd:%u pc:%u base:%c neg:%d pc:%d left:%d nobsdp:%d sign:%d pad0:%d\n",
	591	// 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]	592	(ostype &)(os \| f);
	593
[ac9ba12]	594	// remaining middle and end chunks are padded with 0s on the left
[2c60c644]	595	if ( ! f.flags.left ) { f.flags.pad0 = true; f.flags.pc = false; } // left pad with 0s
	596	else { f.pc = maxdig; f.flags.pc = true; } // left pad with precision
[ac9ba12]	597
[2c60c644]	598	if ( cnt != 0 ) sepOff( os ); // no seperator between chunks
[ac9ba12]	599	f.wd = wd; // reset f.wd for next chunk
	600	f.flags.sign = false; // no leading +/- sign
	601	f.flags.nobsdp = true; // no leading base prefix
[2c60c644]	602	} // if
	603	} // base_128
	604
	605	#define IntegralFMTImpl128( T ) \
[fd54fef]	606	forall( ostype & \| ostream( ostype ) ) { \
[2c60c644]	607	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ) { \
	608	_Ostream_Manip(uint64_t) fmt; \
	609	fmt.[wd, pc, base, all] = f.[wd, pc, base, all]; \
	610	if ( f.base == 'b' \| f.base == 'B' ) { \
	611	base_128( os, f.val, (unsigned int128)1 << 64, fmt, 64, 1 ); \
	612	} else if ( f.base == 'o' ) { \
	613	base_128( os, f.val, (unsigned int128)1 << 63, fmt, 21, 3 ); \
	614	} else if ( f.base == 'd' \|\| f.base == 'u' ) { \
	615	if ( f.base == 'd' && f.val < 0 ) { f.val = -f.val; fmt.flags.neg = true; } \
	616	base_128( os, f.val, (unsigned int128)10_000_000_000_000_000_000UL, fmt, 19, 0 ); \
	617	} else { \
	618	base_128( os, f.val, (unsigned int128)1 << 64, fmt, 16, 4 ); \
	619	} /* if */ \
	620	return os; \
	621	} /* ?\|? */ \
	622	void ?\|?( ostype & os, _Ostream_Manip(T) f ) { (ostype &)(os \| f); ends( os ); } \
	623	} // distribution
	624
	625	IntegralFMTImpl128( int128 )
	626	IntegralFMTImpl128( unsigned int128 )
	627	#endif // __SIZEOF_INT128__
[bd5b443]	628
[8d321f9]	629	// ********************************* floating point *********************************
[3c573e9]	630
[fd4c009]	631	static const char *suffixes[] = {
	632	"y", "z", "a", "f", "p", "n", "u", "m", "",
	633	"K", "M", "G", "T", "P", "E", "Z", "Y"
	634	};
	635	#define SUFFIXES_START (-24) /* Smallest power for which there is a suffix defined. */
	636	#define SUFFIXES_END (SUFFIXES_START + (int)((sizeof(suffixes) / sizeof(char ) - 1) 3))
	637
	638	#define PrintWithDP2( os, format, ... ) \
[3c573e9]	639	{ \
[fd4c009]	640	if ( ! f.flags.eng ) { \
	641	len = snprintf( buf, size, format, ##__VA_ARGS__ ); \
	642	if ( isfinite( f.val ) && ( f.pc != 0 \|\| ! f.flags.nobsdp ) ) { /* if number, print decimal point when no fraction or exponent */ \
	643	for ( i = 0; i < len && buf[i] != '.' && buf[i] != 'e' && buf[i] != 'E'; i += 1 ); /* decimal point or scientific ? */ \
	644	if ( i == len ) { \
	645	if ( ! f.flags.left ) { \
	646	buf[i] = '.'; buf[i + 1] = '\0'; \
	647	if ( buf[0] == ' ' ) bufbeg = 1; /* decimal point within width */ \
	648	} else { \
	649	for ( i = 0; i < len && buf[i] != ' '; i += 1 ); /* trailing blank ? */ \
	650	buf[i] = '.'; \
	651	if ( i == len ) buf[i + 1] = '\0'; \
	652	} /* if */ \
[3c573e9]	653	} /* if */ \
	654	} /* if */ \
[fd4c009]	655	} else { \
	656	int exp10, len2; \
	657	eng( f.val, f.pc, exp10 ); /* changes arguments */ \
	658	if ( ! f.flags.left && f.wd > 1 ) { \
	659	/* Exponent size (number of digits, 'e', optional minus sign) */ \
	660	f.wd -= lrint( floor( log10( abs( exp10 ) ) ) ) + 1 + 1 + (exp10 < 0 ? 1 : 0); \
	661	if ( f.wd < 1 ) f.wd = 1; \
	662	} /* if */ \
	663	len = snprintf( buf, size, format, ##__VA_ARGS__ ); \
	664	if ( f.flags.left ) { \
	665	for ( len -= 1; len > 0 && buf[len] == ' '; len -= 1 ); \
	666	len += 1; \
	667	} /* if */ \
	668	if ( ! f.flags.nobsdp \|\| (exp10 < SUFFIXES_START) \|\| (exp10 > SUFFIXES_END) ) { \
	669	len2 = snprintf( &buf[len], size - len, "e%d", exp10 ); \
	670	} else { \
	671	len2 = snprintf( &buf[len], size - len, "%s", suffixes[(exp10 - SUFFIXES_START) / 3] ); \
	672	} /* if */ \
	673	if ( f.flags.left && len + len2 < f.wd ) buf[len + len2] = ' '; \
[3c573e9]	674	} /* if */ \
	675	fmt( os, "%s", &buf[bufbeg] ); \
	676	}
	677
	678	#define FloatingPointFMTImpl( T, DFMTNP, DFMTP ) \
[fd54fef]	679	forall( ostype & \| ostream( ostype ) ) { \
[fd4c009]	680	static void eng( T &value, int & pc, int & exp10 ) { \
	681	exp10 = lrint( floor( log10( abs( value ) ) ) ); /* round to desired precision */ \
	682	if ( exp10 < 0 ) exp10 -= 2; \
	683	exp10 = floor( exp10, 3 ); \
	684	value *= pow( 10.0, -exp10 ); \
	685	if ( pc <= 3 ) pc = 3; \
	686	} /* eng */ \
	687	\
[3c573e9]	688	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ) { \
[fd4c009]	689	enum { size = 48 }; \
	690	char buf[size]; \
	691	int bufbeg = 0, i, len; \
	692	\
[d1a9ff5]	693	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) ); \
[fd4c009]	694	char fmtstr[sizeof(DFMTP) + 8]; /* sizeof includes '\0' */ \
[3c573e9]	695	if ( ! f.flags.pc ) memcpy( &fmtstr, DFMTNP, sizeof(DFMTNP) ); \
	696	else memcpy( &fmtstr, DFMTP, sizeof(DFMTP) ); \
	697	int star = 4; /* position before first '' / \
	698	\
	699	/* Insert flags into spaces before '', from right to left. / \
	700	if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } \
	701	if ( f.flags.sign ) { fmtstr[star] = '+'; star -= 1; } \
	702	if ( f.flags.pad0 ) { fmtstr[star] = '0'; star -= 1; } \
	703	fmtstr[star] = '%'; \
	704	\
	705	if ( ! f.flags.pc ) { /* no precision */ \
	706	fmtstr[sizeof(DFMTNP)-2] = f.base; /* sizeof includes '\0' */ \
	707	/* printf( "%g %d %s\n", f.val, f.wd, &fmtstr[star]); */ \
[fd4c009]	708	PrintWithDP2( os, &fmtstr[star], f.wd, f.val ) \
[3c573e9]	709	} else { /* precision */ \
	710	fmtstr[sizeof(DFMTP)-2] = f.base; /* sizeof includes '\0' */ \
	711	/* printf( "%g %d %d %s\n", f.val, f.wd, f.pc, &fmtstr[star] ); */ \
[fd4c009]	712	PrintWithDP2( os, &fmtstr[star], f.wd, f.pc, f.val ) \
[3c573e9]	713	} /* if */ \
	714	return os; \
	715	} /* ?\|? */ \
[e3fea42]	716	\
[65240bb]	717	void ?\|?( ostype & os, _Ostream_Manip(T) f ) { (ostype &)(os \| f); ends( os ); } \
[3c573e9]	718	} // distribution
	719
[fd4c009]	720	FloatingPointFMTImpl( double, " * ", " . " )
	721	FloatingPointFMTImpl( long double, " L ", " .*L " )
[3c573e9]	722
[8d321f9]	723	// ********************************* character *********************************
[3c573e9]	724
[fd54fef]	725	forall( ostype & \| ostream( ostype ) ) {
[3c573e9]	726	ostype & ?\|?( ostype & os, _Ostream_Manip(char) f ) {
[4f37255]	727	if ( f.base != 'c' ) { // bespoke binary/octal/hex format
[3c573e9]	728	_Ostream_Manip(unsigned char) fmtuc @= { f.val, f.wd, f.pc, f.base, {'\0'} };
	729	fmtuc.flags.pc = f.flags.pc;
	730	fmtuc.flags.nobsdp = f.flags.nobsdp;
	731	// os \| fmtuc \| nonl;
	732	(ostype &)(os \| fmtuc);
	733	return os;
	734	} // if
	735
[d1a9ff5]	736	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3c573e9]	737
	738	#define CFMTNP "% * "
[4f37255]	739	char fmtstr[sizeof(CFMTNP)]; // sizeof includes '\0'
[3c573e9]	740	memcpy( &fmtstr, CFMTNP, sizeof(CFMTNP) );
[4f37255]	741	int star = 1; // position before first '*'
[3c573e9]	742
	743	// Insert flags into spaces before '*', from right to left.
	744	if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; }
	745	fmtstr[star] = '%';
	746
[4f37255]	747	fmtstr[sizeof(CFMTNP)-2] = f.base; // sizeof includes '\0'
[3c573e9]	748	// printf( "%d %s\n", f.wd, &fmtstr[star] );
	749	fmt( os, &fmtstr[star], f.wd, f.val );
	750	return os;
	751	} // ?\|?
[e3fea42]	752
[65240bb]	753	void ?\|?( ostype & os, _Ostream_Manip(char) f ) { (ostype &)(os \| f); ends( os ); }
[3c573e9]	754	} // distribution
	755
[8d321f9]	756	// ********************************* C string *********************************
[3c573e9]	757
[fd54fef]	758	forall( ostype & \| ostream( ostype ) ) {
[3c573e9]	759	ostype & ?\|?( ostype & os, _Ostream_Manip(const char *) f ) {
	760	if ( ! f.val ) return os; // null pointer ?
	761
	762	if ( f.base != 's' ) { // bespoke binary/octal/hex format
	763	_Ostream_Manip(unsigned char) fmtuc @= { 0, f.wd, f.pc, f.base, {'\0'} };
	764	fmtuc.flags.pc = f.flags.pc;
	765	fmtuc.flags.nobsdp = f.flags.nobsdp;
	766	for ( unsigned int i = 0; f.val[i] != '\0'; i += 1 ) {
	767	fmtuc.val = f.val[i];
	768	// os \| fmtuc \| nonl;
	769	(ostype &)(os \| fmtuc);
	770	} // for
	771	return os;
	772	} // if
	773
[d1a9ff5]	774	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3c573e9]	775
	776	#define SFMTNP "% * "
	777	#define SFMTP "% . "
	778	char fmtstr[sizeof(SFMTP)]; // sizeof includes '\0'
	779	if ( ! f.flags.pc ) memcpy( &fmtstr, SFMTNP, sizeof(SFMTNP) );
	780	else memcpy( &fmtstr, SFMTP, sizeof(SFMTP) );
	781	int star = 1; // position before first '*'
	782
	783	// Insert flags into spaces before '*', from right to left.
	784	if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; }
	785	fmtstr[star] = '%';
	786
	787	if ( ! f.flags.pc ) { // no precision
	788	// printf( "%d %s\n", f.wd, &fmtstr[star] );
	789	fmtstr[sizeof(SFMTNP)-2] = f.base; // sizeof includes '\0'
	790	fmt( os, &fmtstr[star], f.wd, f.val );
	791	} else { // precision
	792	fmtstr[sizeof(SFMTP)-2] = f.base; // sizeof includes '\0'
	793	// printf( "%d %d %s\n", f.wd, f.pc, &fmtstr[star] );
	794	fmt( os, &fmtstr[star], f.wd, f.pc, f.val );
	795	} // if
	796	return os;
	797	} // ?\|?
[e3fea42]	798
[65240bb]	799	void ?\|?( ostype & os, _Ostream_Manip(const char *) f ) { (ostype &)(os \| f); ends( os ); }
[3c573e9]	800	} // distribution
	801
	802
[8d321f9]	803	// ********************************* istream *********************************
[3c573e9]	804
[e56cfdb0]	805
[fd54fef]	806	forall( istype & \| istream( istype ) ) {
[93c2e0a]	807	istype & ?\|?( istype & is, bool & b ) {
[3ce0d440]	808	char val[6];
	809	fmt( is, "%5s", val );
	810	if ( strcmp( val, "true" ) == 0 ) b = true;
	811	else if ( strcmp( val, "false" ) == 0 ) b = false;
	812	else {
[93c2e0a]	813	fprintf( stderr, "invalid Boolean constant\n" );
[4f37255]	814	abort(); // cannot use abort stream
[3ce0d440]	815	} // if
	816	return is;
	817	} // ?\|?
[e474cf09]	818	void ?\|?( istype & is, bool & b ) {
	819	(istype &)(is \| b); ends( is );
	820	} // ?\|?
[3ce0d440]	821
	822	istype & ?\|?( istype & is, char & c ) {
[0efb269]	823	char temp;
	824	for () {
[4f37255]	825	fmt( is, "%c", &temp ); // must pass pointer through varg to fmt
[0efb269]	826	// do not overwrite parameter with newline unless appropriate
	827	if ( temp != '\n' \|\| getANL( is ) ) { c = temp; break; }
	828	if ( eof( is ) ) break;
	829	} // for
[3ce0d440]	830	return is;
	831	} // ?\|?
[e474cf09]	832	void ?\|?( istype & is, char & c ) {
	833	(istype &)(is \| c); ends( is );
	834	} // ?\|?
[3ce0d440]	835
	836	istype & ?\|?( istype & is, signed char & sc ) {
[3c573e9]	837	fmt( is, "%hhi", &sc );
[3ce0d440]	838	return is;
	839	} // ?\|?
[e474cf09]	840	void ?\|?( istype & is, signed char & sc ) {
	841	(istype &)(is \| sc); ends( is );
	842	} // ?\|?
[3ce0d440]	843
	844	istype & ?\|?( istype & is, unsigned char & usc ) {
[3c573e9]	845	fmt( is, "%hhi", &usc );
[3ce0d440]	846	return is;
	847	} // ?\|?
[e474cf09]	848	void ?\|?( istype & is, unsigned char & usc ) {
	849	(istype &)(is \| usc); ends( is );
	850	} // ?\|?
[3ce0d440]	851
	852	istype & ?\|?( istype & is, short int & si ) {
[3c573e9]	853	fmt( is, "%hi", &si );
[3ce0d440]	854	return is;
	855	} // ?\|?
[e474cf09]	856	void ?\|?( istype & is, short int & si ) {
	857	(istype &)(is \| si); ends( is );
	858	} // ?\|?
[3ce0d440]	859
	860	istype & ?\|?( istype & is, unsigned short int & usi ) {
[3c573e9]	861	fmt( is, "%hi", &usi );
[3ce0d440]	862	return is;
	863	} // ?\|?
[e474cf09]	864	void ?\|?( istype & is, unsigned short int & usi ) {
	865	(istype &)(is \| usi); ends( is );
	866	} // ?\|?
[3ce0d440]	867
	868	istype & ?\|?( istype & is, int & i ) {
[3c573e9]	869	fmt( is, "%i", &i );
[3ce0d440]	870	return is;
	871	} // ?\|?
[e474cf09]	872	void ?\|?( istype & is, int & i ) {
	873	(istype &)(is \| i); ends( is );
	874	} // ?\|?
[3ce0d440]	875
	876	istype & ?\|?( istype & is, unsigned int & ui ) {
[3c573e9]	877	fmt( is, "%i", &ui );
[3ce0d440]	878	return is;
	879	} // ?\|?
[e474cf09]	880	void ?\|?( istype & is, unsigned int & ui ) {
	881	(istype &)(is \| ui); ends( is );
	882	} // ?\|?
[3ce0d440]	883
	884	istype & ?\|?( istype & is, long int & li ) {
[3c573e9]	885	fmt( is, "%li", &li );
[3ce0d440]	886	return is;
	887	} // ?\|?
[e474cf09]	888	void ?\|?( istype & is, long int & li ) {
	889	(istype &)(is \| li); ends( is );
	890	} // ?\|?
[3ce0d440]	891
	892	istype & ?\|?( istype & is, unsigned long int & ulli ) {
[3c573e9]	893	fmt( is, "%li", &ulli );
[3ce0d440]	894	return is;
	895	} // ?\|?
[e474cf09]	896	void ?\|?( istype & is, unsigned long int & ulli ) {
	897	(istype &)(is \| ulli); ends( is );
	898	} // ?\|?
[3ce0d440]	899
	900	istype & ?\|?( istype & is, long long int & lli ) {
[3c573e9]	901	fmt( is, "%lli", &lli );
[3ce0d440]	902	return is;
	903	} // ?\|?
[e474cf09]	904	void ?\|?( istype & is, long long int & lli ) {
	905	(istype &)(is \| lli); ends( is );
	906	} // ?\|?
[3ce0d440]	907
	908	istype & ?\|?( istype & is, unsigned long long int & ulli ) {
[3c573e9]	909	fmt( is, "%lli", &ulli );
[3ce0d440]	910	return is;
	911	} // ?\|?
[e474cf09]	912	void & ?\|?( istype & is, unsigned long long int & ulli ) {
	913	(istype &)(is \| ulli); ends( is );
	914	} // ?\|?
[3ce0d440]	915
[cadec25]	916	#if defined( __SIZEOF_INT128__ )
[e474cf09]	917	istype & ?\|?( istype & is, int128 & llli ) {
	918	return (istype &)(is \| (unsigned int128 &)llli);
	919	} // ?\|?
	920	void ?\|?( istype & is, int128 & llli ) {
	921	(istype &)(is \| llli); ends( is );
[fe68bdf]	922	} // ?\|?
	923
[e474cf09]	924	istype & ?\|?( istype & is, unsigned int128 & ullli ) {
[fe68bdf]	925	char s[40];
	926	bool sign = false;
	927
	928	if ( fmt( is, " %[-]", s ) == 1 ) sign = true; // skip whitespace, negative sign ?
	929	// If the input is too large, the value returned is undefined. If there is no input, no value is returned
	930	if ( fmt( is, "%39[0-9]%*[0-9]", s ) == 1 ) { // take first 39 characters, ignore remaining
[e474cf09]	931	ullli = 0;
[fe68bdf]	932	for ( unsigned int i = 0; s[i] != '\0'; i += 1 ) {
[e474cf09]	933	ullli = ullli * 10 + s[i] - '0';
[fe68bdf]	934	} // for
[e474cf09]	935	if ( sign ) ullli = -ullli;
[fe68bdf]	936	} else if ( sign ) ungetc( is, '-' ); // return minus when no digits
	937	return is;
	938	} // ?\|?
[e474cf09]	939	void ?\|?( istype & is, unsigned int128 & ullli ) {
	940	(istype &)(is \| ullli); ends( is );
	941	} // ?\|?
[cadec25]	942	#endif // __SIZEOF_INT128__
[3ce0d440]	943
	944	istype & ?\|?( istype & is, float & f ) {
	945	fmt( is, "%f", &f );
	946	return is;
	947	} // ?\|?
[e474cf09]	948	void ?\|?( istype & is, float & f ) {
	949	(istype &)(is \| f); ends( is );
	950	} // ?\|?
[3ce0d440]	951
	952	istype & ?\|?( istype & is, double & d ) {
	953	fmt( is, "%lf", &d );
	954	return is;
	955	} // ?\|?
[e474cf09]	956	void ?\|?( istype & is, double & d ) {
	957	(istype &)(is \| d); ends( is );
	958	} // ?\|?
[3ce0d440]	959
	960	istype & ?\|?( istype & is, long double & ld ) {
	961	fmt( is, "%Lf", &ld );
	962	return is;
	963	} // ?\|?
[e474cf09]	964	void ?\|?( istype & is, long double & ld ) {
	965	(istype &)(is \| ld); ends( is );
	966	} // ?\|?
[3ce0d440]	967
	968	istype & ?\|?( istype & is, float _Complex & fc ) {
	969	float re, im;
[3c573e9]	970	fmt( is, "%f%fi", &re, &im );
[3ce0d440]	971	fc = re + im * _Complex_I;
	972	return is;
	973	} // ?\|?
[e474cf09]	974	void ?\|?( istype & is, float _Complex & fc ) {
	975	(istype &)(is \| fc); ends( is );
	976	} // ?\|?
[3ce0d440]	977
	978	istype & ?\|?( istype & is, double _Complex & dc ) {
	979	double re, im;
	980	fmt( is, "%lf%lfi", &re, &im );
	981	dc = re + im * _Complex_I;
	982	return is;
	983	} // ?\|?
[e474cf09]	984	void ?\|?( istype & is, double _Complex & dc ) {
	985	(istype &)(is \| dc); ends( is );
	986	} // ?\|?
[3ce0d440]	987
	988	istype & ?\|?( istype & is, long double _Complex & ldc ) {
	989	long double re, im;
	990	fmt( is, "%Lf%Lfi", &re, &im );
	991	ldc = re + im * _Complex_I;
	992	return is;
	993	} // ?\|?
[e474cf09]	994	void ?\|?( istype & is, long double _Complex & ldc ) {
	995	(istype &)(is \| ldc); ends( is );
	996	} // ?\|?
[3ce0d440]	997
[e3fea42]	998	// istype & ?\|?( istype & is, const char fmt[] ) {
[dc5072f]	999	// fmt( is, fmt, "" );
	1000	// return is;
	1001	// } // ?\|?
[04396aa]	1002
[e474cf09]	1003	istype & ?\|?( istype & is, char s[] ) {
[04396aa]	1004	fmt( is, "%s", s );
	1005	return is;
	1006	} // ?\|?
[e474cf09]	1007	void ?\|?( istype & is, char s[] ) {
	1008	(istype &)(is \| s); ends( is );
	1009	} // ?\|?
[04396aa]	1010
[3ce0d440]	1011	// manipulators
	1012	istype & ?\|?( istype & is, istype & (* manip)( istype & ) ) {
	1013	return manip( is );
	1014	} // ?\|?
[e474cf09]	1015	void ?\|?( istype & is, istype & (* manip)( istype & ) ) {
	1016	manip( is ); ends( is );
	1017	} // ?\|?
[3ce0d440]	1018
[200fcb3]	1019	istype & nl( istype & is ) {
[3c5dee4]	1020	fmt( is, "%*[^\n]" ); // ignore characters to newline
[3ce0d440]	1021	return is;
[200fcb3]	1022	} // nl
[0efb269]	1023
	1024	istype & nlOn( istype & is ) {
	1025	nlOn( is ); // call void returning
	1026	return is;
	1027	} // nlOn
	1028
	1029	istype & nlOff( istype & is ) {
	1030	nlOff( is ); // call void returning
	1031	return is;
	1032	} // nlOff
[e474cf09]	1033
	1034	istype & acquire( istype & is ) {
	1035	acquire( is ); // call void returning
	1036	return is;
	1037	} // acquire
[3ce0d440]	1038	} // distribution
[44574f2]	1039
[8d321f9]	1040	// ********************************* manipulators *********************************
[3c573e9]	1041
[e474cf09]	1042	forall( istype & \| istream( istype ) ) {
	1043	istype & ?\|?( istype & is, _Istream_Cstr f ) {
	1044	// skip xxx
	1045	if ( ! f.s ) {
	1046	// printf( "skip %s %d\n", f.scanset, f.wd );
	1047	if ( f.wd == -1 ) fmt( is, f.scanset, "" ); // no input arguments
	1048	else for ( f.wd ) fmt( is, "%*c" );
	1049	return is;
	1050	} // if
	1051	size_t len = 0;
	1052	if ( f.scanset ) len = strlen( f.scanset );
	1053	char fmtstr[len + 16];
	1054	int start = 1;
	1055	fmtstr[0] = '%';
	1056	if ( f.flags.ignore ) { fmtstr[1] = '*'; start += 1; }
	1057	if ( f.wd != -1 ) { start += sprintf( &fmtstr[start], "%d", f.wd ); }
	1058	// cstr %s, %s, %ws, %ws
	1059	if ( ! f.scanset ) {
	1060	fmtstr[start] = 's'; fmtstr[start + 1] = '\0';
	1061	// printf( "cstr %s\n", fmtstr );
	1062	fmt( is, fmtstr, f.s );
	1063	return is;
	1064	} // if
	1065	// incl %[xxx], %[xxx], %w[xxx], %w[xxx]
	1066	// excl %[^xxx], %[^xxx], %w[^xxx], %w[^xxx]
	1067	fmtstr[start] = '['; start += 1;
	1068	if ( f.flags.inex ) { fmtstr[start] = '^'; start += 1; }
	1069	strcpy( &fmtstr[start], f.scanset ); // copy includes '\0'
	1070	len += start;
	1071	fmtstr[len] = ']'; fmtstr[len + 1] = '\0';
	1072	// printf( "incl/excl %s\n", fmtstr );
[61c7239]	1073	fmt( is, fmtstr, f.s );
	1074	return is;
[e474cf09]	1075	} // ?\|?
	1076	void ?\|?( istype & is, _Istream_Cstr f ) {
	1077	(istype &)(is \| f); ends( is );
	1078	} // ?\|?
	1079
	1080	istype & ?\|?( istype & is, _Istream_Char f ) {
	1081	fmt( is, "%*c" ); // argument variable unused
	1082	return is;
	1083	} // ?\|?
	1084	void ?\|?( istype & is, _Istream_Char f ) {
	1085	(istype &)(is \| f); ends( is );
	1086	} // ?\|?
	1087	} // distribution
[86a8be5]	1088
[3c573e9]	1089	#define InputFMTImpl( T, CODE ) \
[e474cf09]	1090	forall( istype & \| istream( istype ) ) { \
	1091	istype & ?\|?( istype & is, _Istream_Manip(T) f ) { \
	1092	enum { size = 16 }; \
	1093	char fmtstr[size]; \
	1094	if ( f.wd == -1 ) { \
	1095	snprintf( fmtstr, size, "%%%s%s", f.ignore ? "*" : "", CODE ); \
	1096	} else { \
	1097	snprintf( fmtstr, size, "%%%s%d%s", f.ignore ? "*" : "", f.wd, CODE ); \
	1098	} /* if */ \
	1099	/* printf( "%d %s %p\n", f.wd, fmtstr, &f.val ); */ \
	1100	fmt( is, fmtstr, &f.val ); \
	1101	return is; \
	1102	} /* ?\|? */ \
	1103	void ?\|?( istype & is, _Istream_Manip(T) f ) { \
	1104	(istype &)(is \| f); ends( is ); \
	1105	} /* ?\|? */ \
	1106	} // distribution
[3c573e9]	1107
	1108	InputFMTImpl( signed char, "hhi" )
	1109	InputFMTImpl( unsigned char, "hhi" )
	1110	InputFMTImpl( signed short int, "hi" )
	1111	InputFMTImpl( unsigned short int, "hi" )
	1112	InputFMTImpl( signed int, "i" )
	1113	InputFMTImpl( unsigned int, "i" )
	1114	InputFMTImpl( signed long int, "li" )
	1115	InputFMTImpl( unsigned long int, "li" )
	1116	InputFMTImpl( signed long long int, "lli" )
	1117	InputFMTImpl( unsigned long long int, "lli" )
	1118
	1119	InputFMTImpl( float, "f" )
	1120	InputFMTImpl( double, "lf" )
	1121	InputFMTImpl( long double, "Lf" )
	1122
[e474cf09]	1123	forall( istype & \| istream( istype ) ) {
	1124	istype & ?\|?( istype & is, _Istream_Manip(float _Complex) fc ) {
	1125	float re, im;
	1126	_Istream_Manip(float) fmtuc @= { re, fc.wd, fc.ignore };
	1127	is \| fmtuc;
	1128	&fmtuc.val = &im;
	1129	is \| fmtuc;
	1130	if ( ! fc.ignore ) fc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
	1131	return is;
	1132	} // ?\|?
	1133	void ?\|?( istype & is, _Istream_Manip(float _Complex) fc ) {
	1134	(istype &)(is \| fc); ends( is );
	1135	} // ?\|?
	1136
	1137	istype & ?\|?( istype & is, _Istream_Manip(double _Complex) dc ) {
	1138	double re, im;
	1139	_Istream_Manip(double) fmtuc @= { re, dc.wd, dc.ignore };
	1140	is \| fmtuc;
	1141	&fmtuc.val = &im;
	1142	is \| fmtuc;
	1143	if ( ! dc.ignore ) dc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
	1144	return is;
	1145	} // ?\|?
	1146	void ?\|?( istype & is, _Istream_Manip(double _Complex) dc ) {
	1147	(istype &)(is \| dc); ends( is );
	1148	} // ?\|?
	1149
	1150	istype & ?\|?( istype & is, _Istream_Manip(long double _Complex) ldc ) {
	1151	long double re, im;
	1152	_Istream_Manip(long double) fmtuc @= { re, ldc.wd, ldc.ignore };
	1153	is \| fmtuc;
	1154	&fmtuc.val = &im;
	1155	is \| fmtuc;
	1156	if ( ! ldc.ignore ) ldc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
	1157	return is;
	1158	} // ?\|?
	1159	void ?\|?( istype & is, _Istream_Manip(long double _Complex) ldc ) {
	1160	(istype &)(is \| ldc); ends( is );
	1161	} // ?\|?
	1162	} // distribution
[3c573e9]	1163
[86bd7c1f]	1164	// Local Variables: //
	1165	// tab-width: 4 //
[084520f]	1166	// compile-command: "cfa iostream.cfa" //
[86bd7c1f]	1167	// End: //

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