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iostream.cfa @ b797d978

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Last change on this file since b797d978 was ebf8ca5, checked in by Peter A. Buhr <pabuhr@…>, 2 years ago
switch for-loop from C to CFA format
Property mode set to `100644`
File size: 39.0 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
[ebf8ca5]	12	// Last Modified On : Sat Aug 27 15:04:15 2022
	13	// Update Count : 1358
[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
[8d321f9]	36	// ********************************* ostream *********************************
[61c7239]	37
	38
[85d8153]	39	forall( ostype & \| basic_ostream( ostype ) ) {
[93c2e0a]	40	ostype & ?\|?( ostype & os, bool b ) {
[6c5d92f]	41	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[3ce0d440]	42	fmt( os, "%s", b ? "true" : "false" );
	43	return os;
	44	} // ?\|?
[200fcb3]	45	void ?\|?( ostype & os, bool b ) {
[65240bb]	46	(ostype &)(os \| b); ends( os );
[200fcb3]	47	} // ?\|?
[51b7345]	48
[200fcb3]	49	ostype & ?\|?( ostype & os, char c ) {
	50	fmt( os, "%c", c );
[6c5d92f]	51	if ( c == '\n' ) setNL$( os, true );
[200fcb3]	52	return sepOff( os );
	53	} // ?\|?
	54	void ?\|?( ostype & os, char c ) {
[65240bb]	55	(ostype &)(os \| c); ends( os );
[3ce0d440]	56	} // ?\|?
	57
[200fcb3]	58	ostype & ?\|?( ostype & os, signed char sc ) {
[6c5d92f]	59	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	60	fmt( os, "%'hhd", sc );
[3ce0d440]	61	return os;
	62	} // ?\|?
[200fcb3]	63	void ?\|?( ostype & os, signed char sc ) {
[65240bb]	64	(ostype &)(os \| sc); ends( os );
[200fcb3]	65	} // ?\|?
[3ce0d440]	66
[200fcb3]	67	ostype & ?\|?( ostype & os, unsigned char usc ) {
[6c5d92f]	68	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	69	fmt( os, "%'hhu", usc );
[3ce0d440]	70	return os;
	71	} // ?\|?
[200fcb3]	72	void ?\|?( ostype & os, unsigned char usc ) {
[65240bb]	73	(ostype &)(os \| usc); ends( os );
[200fcb3]	74	} // ?\|?
[3ce0d440]	75
	76	ostype & ?\|?( ostype & os, short int si ) {
[6c5d92f]	77	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	78	fmt( os, "%'hd", si );
[3ce0d440]	79	return os;
	80	} // ?\|?
[200fcb3]	81	void & ?\|?( ostype & os, short int si ) {
[65240bb]	82	(ostype &)(os \| si); ends( os );
[200fcb3]	83	} // ?\|?
[3ce0d440]	84
	85	ostype & ?\|?( ostype & os, unsigned short int usi ) {
[6c5d92f]	86	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	87	fmt( os, "%'hu", usi );
[3ce0d440]	88	return os;
	89	} // ?\|?
[200fcb3]	90	void & ?\|?( ostype & os, unsigned short int usi ) {
[65240bb]	91	(ostype &)(os \| usi); ends( os );
[200fcb3]	92	} // ?\|?
[3ce0d440]	93
	94	ostype & ?\|?( ostype & os, int i ) {
[6c5d92f]	95	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	96	fmt( os, "%'d", i );
[3ce0d440]	97	return os;
	98	} // ?\|?
[200fcb3]	99	void & ?\|?( ostype & os, int i ) {
[65240bb]	100	(ostype &)(os \| i); ends( os );
[200fcb3]	101	} // ?\|?
[3ce0d440]	102
	103	ostype & ?\|?( ostype & os, unsigned int ui ) {
[6c5d92f]	104	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	105	fmt( os, "%'u", ui );
[3ce0d440]	106	return os;
	107	} // ?\|?
[200fcb3]	108	void & ?\|?( ostype & os, unsigned int ui ) {
[65240bb]	109	(ostype &)(os \| ui); ends( os );
[200fcb3]	110	} // ?\|?
[3ce0d440]	111
	112	ostype & ?\|?( ostype & os, long int li ) {
[6c5d92f]	113	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	114	fmt( os, "%'ld", li );
[3ce0d440]	115	return os;
	116	} // ?\|?
[200fcb3]	117	void & ?\|?( ostype & os, long int li ) {
[65240bb]	118	(ostype &)(os \| li); ends( os );
[200fcb3]	119	} // ?\|?
[3ce0d440]	120
	121	ostype & ?\|?( ostype & os, unsigned long int uli ) {
[6c5d92f]	122	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	123	fmt( os, "%'lu", uli );
[3ce0d440]	124	return os;
	125	} // ?\|?
[200fcb3]	126	void & ?\|?( ostype & os, unsigned long int uli ) {
[65240bb]	127	(ostype &)(os \| uli); ends( os );
[200fcb3]	128	} // ?\|?
[3ce0d440]	129
	130	ostype & ?\|?( ostype & os, long long int lli ) {
[6c5d92f]	131	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	132	fmt( os, "%'lld", lli );
[3ce0d440]	133	return os;
	134	} // ?\|?
[200fcb3]	135	void & ?\|?( ostype & os, long long int lli ) {
[65240bb]	136	(ostype &)(os \| lli); ends( os );
[200fcb3]	137	} // ?\|?
[3ce0d440]	138
	139	ostype & ?\|?( ostype & os, unsigned long long int ulli ) {
[6c5d92f]	140	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[0c51f9ad]	141	fmt( os, "%'llu", ulli );
[3ce0d440]	142	return os;
	143	} // ?\|?
[200fcb3]	144	void & ?\|?( ostype & os, unsigned long long int ulli ) {
[65240bb]	145	(ostype &)(os \| ulli); ends( os );
[200fcb3]	146	} // ?\|?
[3ce0d440]	147
[ef3ac46]	148	#if defined( __SIZEOF_INT128__ )
[bd5b443]	149	// UINT64_MAX 18_446_744_073_709_551_615_ULL
	150	#define P10_UINT64 10_000_000_000_000_000_000_ULL // 19 zeroes
	151
[ffa48a8]	152	static inline void base10_128( ostype & os, unsigned int128 val ) {
[ef3ac46]	153	#if defined(__GNUC__) && __GNUC_PREREQ(7,0) // gcc version >= 7
[2c60c644]	154	if ( val > P10_UINT64 ) {
[ef3ac46]	155	#else
[ffa48a8]	156	if ( (uint64_t)(val >> 64) != 0 \|\| (uint64_t)val > P10_UINT64 ) { // patch gcc 5 & 6 -O3 bug
[ef3ac46]	157	#endif // __GNUC_PREREQ(7,0)
[bd5b443]	158	base10_128( os, val / P10_UINT64 ); // recursive
	159	fmt( os, "%.19lu", (uint64_t)(val % P10_UINT64) );
	160	} else {
	161	fmt( os, "%lu", (uint64_t)val );
	162	} // if
	163	} // base10_128
	164
[ffa48a8]	165	static inline void base10_128( ostype & os, int128 val ) {
[bd5b443]	166	if ( val < 0 ) {
	167	fmt( os, "-" ); // leading negative sign
	168	val = -val;
	169	} // if
	170	base10_128( os, (unsigned int128)val ); // print zero/positive value
	171	} // base10_128
	172
	173	ostype & ?\|?( ostype & os, int128 llli ) {
[6c5d92f]	174	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[bd5b443]	175	base10_128( os, llli );
	176	return os;
	177	} // ?\|?
	178	void & ?\|?( ostype & os, int128 llli ) {
	179	(ostype &)(os \| llli); ends( os );
	180	} // ?\|?
	181
	182	ostype & ?\|?( ostype & os, unsigned int128 ullli ) {
[6c5d92f]	183	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[bd5b443]	184	base10_128( os, ullli );
	185	return os;
	186	} // ?\|?
	187	void & ?\|?( ostype & os, unsigned int128 ullli ) {
	188	(ostype &)(os \| ullli); ends( os );
	189	} // ?\|?
[ef3ac46]	190	#endif // __SIZEOF_INT128__
[bd5b443]	191
[e63326b]	192	#define PrintWithDP( os, format, val, ... ) \
	193	{ \
	194	enum { size = 48 }; \
	195	char buf[size]; \
	196	int len = snprintf( buf, size, format, ##__VA_ARGS__, val ); \
	197	fmt( os, "%s", buf ); \
[fd4c009]	198	if ( isfinite( val ) ) { /* if number, print decimal point when no fraction or exponent */ \
[f6a4917]	199	for ( i; 0 ~ @ ) { \
[e63326b]	200	if ( i == len ) { fmt( os, "." ); break; } \
[fd4c009]	201	if ( buf[i] == '.' \|\| buf[i] == 'e' \|\| buf[i] == 'E' ) break; /* decimal point or scientific ? */ \
[e63326b]	202	} /* for */ \
	203	} /* if */ \
	204	}
[b2ac656]	205
[3ce0d440]	206	ostype & ?\|?( ostype & os, float f ) {
[6c5d92f]	207	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[b5f17e14]	208	PrintWithDP( os, "%'g", f );
[3ce0d440]	209	return os;
	210	} // ?\|?
[200fcb3]	211	void & ?\|?( ostype & os, float f ) {
[65240bb]	212	(ostype &)(os \| f); ends( os );
[200fcb3]	213	} // ?\|?
[3ce0d440]	214
	215	ostype & ?\|?( ostype & os, double d ) {
[6c5d92f]	216	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[b5f17e14]	217	PrintWithDP( os, "%'.*lg", d, DBL_DIG );
[3ce0d440]	218	return os;
	219	} // ?\|?
[200fcb3]	220	void & ?\|?( ostype & os, double d ) {
[65240bb]	221	(ostype &)(os \| d); ends( os );
[200fcb3]	222	} // ?\|?
[3ce0d440]	223
	224	ostype & ?\|?( ostype & os, long double ld ) {
[6c5d92f]	225	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[b5f17e14]	226	PrintWithDP( os, "%'.*Lg", ld, LDBL_DIG );
[3ce0d440]	227	return os;
	228	} // ?\|?
[200fcb3]	229	void & ?\|?( ostype & os, long double ld ) {
[65240bb]	230	(ostype &)(os \| ld); ends( os );
[200fcb3]	231	} // ?\|?
[3ce0d440]	232
	233	ostype & ?\|?( ostype & os, float _Complex fc ) {
[6c5d92f]	234	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[b2ac656]	235	// os \| crealf( fc ) \| nonl;
[b5f17e14]	236	PrintWithDP( os, "%'g", crealf( fc ) );
	237	PrintWithDP( os, "%'+g", cimagf( fc ) );
[3c5dee4]	238	fmt( os, "i" );
[3ce0d440]	239	return os;
	240	} // ?\|?
[200fcb3]	241	void & ?\|?( ostype & os, float _Complex fc ) {
[65240bb]	242	(ostype &)(os \| fc); ends( os );
[200fcb3]	243	} // ?\|?
[3ce0d440]	244
	245	ostype & ?\|?( ostype & os, double _Complex dc ) {
[6c5d92f]	246	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[b2ac656]	247	// os \| creal( dc ) \| nonl;
[b5f17e14]	248	PrintWithDP( os, "%'.*lg", creal( dc ), DBL_DIG );
	249	PrintWithDP( os, "%'+.*lg", cimag( dc ), DBL_DIG );
[3c5dee4]	250	fmt( os, "i" );
[3ce0d440]	251	return os;
	252	} // ?\|?
[200fcb3]	253	void & ?\|?( ostype & os, double _Complex dc ) {
[65240bb]	254	(ostype &)(os \| dc); ends( os );
[200fcb3]	255	} // ?\|?
[3ce0d440]	256
	257	ostype & ?\|?( ostype & os, long double _Complex ldc ) {
[6c5d92f]	258	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[b2ac656]	259	// os \| creall( ldc ) \|\| nonl;
[b5f17e14]	260	PrintWithDP( os, "%'.*Lg", creall( ldc ), LDBL_DIG );
	261	PrintWithDP( os, "%'+.*Lg", cimagl( ldc ), LDBL_DIG );
[3c5dee4]	262	fmt( os, "i" );
[3ce0d440]	263	return os;
	264	} // ?\|?
[200fcb3]	265	void & ?\|?( ostype & os, long double _Complex ldc ) {
[65240bb]	266	(ostype &)(os \| ldc); ends( os );
[200fcb3]	267	} // ?\|?
[3ce0d440]	268
[e474cf09]	269	ostype & ?\|?( ostype & os, const char s[] ) {
[3ce0d440]	270	enum { Open = 1, Close, OpenClose };
	271	static const unsigned char mask[256] @= {
	272	// opening delimiters, no space after
	273	['('] : Open, ['['] : Open, ['{'] : Open,
[ad72c8b]	274	['='] : Open, ['$'] : Open, [(unsigned char)'£'] : Open, [(unsigned char)'¥'] : Open,
	275	[(unsigned char)'¡'] : Open, [(unsigned char)'¿'] : Open, [(unsigned char)'«'] : Open,
[3ce0d440]	276	// closing delimiters, no space before
	277	[','] : Close, ['.'] : Close, [';'] : Close, ['!'] : Close, ['?'] : Close,
[ad72c8b]	278	['%'] : Close, [(unsigned char)'¢'] : Close, [(unsigned char)'»'] : Close,
[3ce0d440]	279	[')'] : Close, [']'] : Close, ['}'] : Close,
	280	// opening-closing delimiters, no space before or after
	281	['\''] : OpenClose, ['`'] : OpenClose, ['"'] : OpenClose, [':'] : OpenClose,
	282	[' '] : OpenClose, ['\f'] : OpenClose, ['\n'] : OpenClose, ['\r'] : OpenClose, ['\t'] : OpenClose, ['\v'] : OpenClose, // isspace
	283	}; // mask
	284
[6a33e40]	285	if ( s == 0p ) { fmt( os, "%s", "0p" ); return os; } // null pointer
[e474cf09]	286	if ( s[0] == '\0' ) { sepOff( os ); return os; } // null string => no separator
[3ce0d440]	287
	288	// first character IS NOT spacing or closing punctuation => add left separator
[e474cf09]	289	unsigned char ch = s[0]; // must make unsigned
[6c5d92f]	290	if ( sepPrt$( os ) && mask[ ch ] != Close && mask[ ch ] != OpenClose ) {
	291	fmt( os, "%s", sepGetCur$( os ) );
[3ce0d440]	292	} // if
	293
	294	// if string starts line, must reset to determine open state because separator is off
[6c5d92f]	295	sepReset$( os ); // reset separator
[3ce0d440]	296
	297	// last character IS spacing or opening punctuation => turn off separator for next item
[85d8153]	298	int len = strlen( s );
[e474cf09]	299	ch = s[len - 1]; // must make unsigned
[85d8153]	300	fmt( os, "%s", s ); // fmt resets seperator, but reset it again
[6c5d92f]	301	if ( sepPrt$( os ) && mask[ ch ] != Open && mask[ ch ] != OpenClose ) {
[3ce0d440]	302	sepOn( os );
	303	} else {
	304	sepOff( os );
	305	} // if
[6c5d92f]	306	if ( ch == '\n' ) setNL$( os, true ); // check AFTER sepPrt$ call above as it resets NL flag
[85d8153]	307	return os;
	308	// return write( os, s, len );
[3ce0d440]	309	} // ?\|?
[e474cf09]	310	void ?\|?( ostype & os, const char s[] ) {
	311	(ostype &)(os \| s); ends( os );
[200fcb3]	312	} // ?\|?
[3ce0d440]	313
[e474cf09]	314	// ostype & ?\|?( ostype & os, const char16_t * s ) {
[6c5d92f]	315	// if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[e474cf09]	316	// fmt( os, "%ls", s );
[3ce0d440]	317	// return os;
	318	// } // ?\|?
[d3b7937]	319
[3ce0d440]	320	// #if ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) // char32_t == wchar_t => ambiguous
[e474cf09]	321	// ostype & ?\|?( ostype & os, const char32_t * s ) {
[6c5d92f]	322	// if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[e474cf09]	323	// fmt( os, "%ls", s );
[3ce0d440]	324	// return os;
	325	// } // ?\|?
	326	// #endif // ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 )
[d3b7937]	327
[e474cf09]	328	// ostype & ?\|?( ostype & os, const wchar_t * s ) {
[6c5d92f]	329	// if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[e474cf09]	330	// fmt( os, "%ls", s );
[3ce0d440]	331	// return os;
	332	// } // ?\|?
	333
	334	ostype & ?\|?( ostype & os, const void * p ) {
[6c5d92f]	335	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[3ce0d440]	336	fmt( os, "%p", p );
	337	return os;
	338	} // ?\|?
[200fcb3]	339	void ?\|?( ostype & os, const void * p ) {
[65240bb]	340	(ostype &)(os \| p); ends( os );
[200fcb3]	341	} // ?\|?
[3ce0d440]	342
	343	// manipulators
	344	ostype & ?\|?( ostype & os, ostype & (* manip)( ostype & ) ) {
[e474cf09]	345	return manip( os );
[200fcb3]	346	} // ?\|?
	347	void ?\|?( ostype & os, ostype & (* manip)( ostype & ) ) {
[e474cf09]	348	manip( os );
[6c5d92f]	349	if ( getPrt$( os ) ) ends( os ); // something printed ?
	350	setPrt$( os, false ); // turn off
[3ce0d440]	351	} // ?\|?
	352
	353	ostype & sep( ostype & os ) {
[9d362a0]	354	return (ostype &)(os \| sepGet( os ));
[3ce0d440]	355	} // sep
	356
	357	ostype & sepTuple( ostype & os ) {
[200fcb3]	358	return os \| sepGetTuple( os );
[3ce0d440]	359	} // sepTuple
	360
[200fcb3]	361	ostype & nl( ostype & os ) {
[9d362a0]	362	(ostype &)(os \| '\n');
[6c5d92f]	363	setPrt$( os, false ); // turn off
	364	setNL$( os, true );
[200fcb3]	365	return sepOff( os ); // prepare for next line
	366	} // nl
	367
	368	ostype & nonl( ostype & os ) {
[6c5d92f]	369	setPrt$( os, false ); // turn off
[3ce0d440]	370	return os;
[200fcb3]	371	} // nonl
[3ce0d440]	372
	373	ostype & sepOn( ostype & os ) {
[200fcb3]	374	sepOn( os ); // call void returning
[3ce0d440]	375	return os;
	376	} // sepOn
	377
	378	ostype & sepOff( ostype & os ) {
[200fcb3]	379	sepOff( os ); // call void returning
[3ce0d440]	380	return os;
	381	} // sepOff
[6de9f4a]	382
[3ce0d440]	383	ostype & sepEnable( ostype & os ) {
[200fcb3]	384	sepEnable( os ); // call void returning
[3ce0d440]	385	return os;
	386	} // sepEnable
[b6dc097]	387
[3ce0d440]	388	ostype & sepDisable( ostype & os ) {
[200fcb3]	389	sepDisable( os ); // call void returning
[3ce0d440]	390	return os;
	391	} // sepDisable
[cf16f94]	392
[200fcb3]	393	ostype & nlOn( ostype & os ) {
	394	nlOn( os ); // call void returning
	395	return os;
	396	} // nlOn
	397
	398	ostype & nlOff( ostype & os ) {
	399	nlOff( os ); // call void returning
	400	return os;
	401	} // nlOff
[85d8153]	402	} // distribution
[e474cf09]	403
[c443d1d]	404	// tuples
[fd54fef]	405	forall( ostype &, T, Params... \| writeable( T, ostype ) \| { ostype & ?\|?( ostype &, Params ); } ) {
[200fcb3]	406	ostype & ?\|?( ostype & os, T arg, Params rest ) {
[9d362a0]	407	(ostype &)(os \| arg); // print first argument
[6c5d92f]	408	sepSetCur$( os, sepGetTuple( os ) ); // switch to tuple separator
[9d362a0]	409	(ostype &)(os \| rest); // print remaining arguments
[6c5d92f]	410	sepSetCur$( os, sepGet( os ) ); // switch to regular separator
[200fcb3]	411	return os;
	412	} // ?\|?
	413	void ?\|?( ostype & os, T arg, Params rest ) {
[65240bb]	414	// (ostype &)(?\|?( os, arg, rest )); ends( os );
[9d362a0]	415	(ostype &)(os \| arg); // print first argument
[6c5d92f]	416	sepSetCur$( os, sepGetTuple( os ) ); // switch to tuple separator
[9d362a0]	417	(ostype &)(os \| rest); // print remaining arguments
[6c5d92f]	418	sepSetCur$( os, sepGet( os ) ); // switch to regular separator
[65240bb]	419	ends( os );
[200fcb3]	420	} // ?\|?
	421	} // distribution
[c443d1d]	422
[61c7239]	423	// writes the range [begin, end) to the given stream
[fd54fef]	424	forall( ostype &, elt_type \| writeable( elt_type, ostype ), iterator_type \| iterator( iterator_type, elt_type ) ) {
[61c7239]	425	void write( iterator_type begin, iterator_type end, ostype & os ) {
	426	void print( elt_type i ) { os \| i; }
	427	for_each( begin, end, print );
	428	} // ?\|?
	429
	430	void write_reverse( iterator_type begin, iterator_type end, ostype & os ) {
	431	void print( elt_type i ) { os \| i; }
	432	for_each_reverse( begin, end, print );
	433	} // ?\|?
	434	} // distribution
	435
[8d321f9]	436	// ********************************* manipulators *********************************
[3c573e9]	437
[8d321f9]	438	// ********************************* integral *********************************
[3c573e9]	439
	440	static const char * shortbin[] = { "0", "1", "10", "11", "100", "101", "110", "111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111" };
	441	static const char * longbin[] = { "0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111" };
	442
	443	// Default prefix for non-decimal prints is 0b, 0, 0x.
[2c60c644]	444	#define IntegralFMTImpl( T, IFMTNP, IFMTP ) \
[85d8153]	445	forall( ostype & \| basic_ostream( ostype ) ) { \
[3c573e9]	446	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ) { \
[6c5d92f]	447	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) ); \
[3c573e9]	448	\
	449	if ( f.base == 'b' \|\| f.base == 'B' ) { /* bespoke binary format */ \
[7fd71c7]	450	int bits = high1( f.val ); /* position of most significant bit */ \
	451	if ( bits == 0 ) bits = 1; /* 0 value => force one bit to print */ \
[c7978c0]	452	int spaces; \
[3c573e9]	453	if ( ! f.flags.left ) { /* right justified ? */ \
	454	/* Note, base prefix then zero padding or spacing then prefix. */ \
[c7978c0]	455	if ( f.flags.pc ) { \
	456	spaces = f.wd - f.pc; \
	457	if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \
	458	if ( spaces > 0 ) fmt( os, "%s", spaces, " " ); / space pad */ \
[3c573e9]	459	if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \
[c7978c0]	460	spaces = f.pc - bits; \
[3c573e9]	461	if ( spaces > 0 ) fmt( os, "%0d", spaces, 0 ); / zero pad */ \
	462	} else { \
[c7978c0]	463	spaces = f.wd - bits; \
	464	if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \
	465	if ( f.flags.pad0 ) { \
	466	if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \
	467	if ( spaces > 0 ) fmt( os, "%0d", spaces, 0 ); / zero pad */ \
	468	} else { \
	469	if ( spaces > 0 ) fmt( os, "%s", spaces, " " ); / space pad */ \
	470	if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \
	471	} /* if */ \
	472	} /* if */ \
	473	} else { \
	474	if ( ! f.flags.nobsdp ) fmt( os, "0%c", f.base ); \
	475	if ( f.flags.pc ) { \
	476	spaces = f.pc - bits; \
	477	if ( spaces > 0 ) fmt( os, "%0d", spaces, 0 ); / zero pad */ \
	478	spaces = f.wd - f.pc; \
	479	} else { /* pad0 flag ignored with left flag */ \
	480	spaces = f.wd - bits; \
[3c573e9]	481	} /* if */ \
[c7978c0]	482	if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \
[3c573e9]	483	} /* if */ \
[fd4d3017]	484	int shift = floor( bits - 1, 4 ); \
[3c573e9]	485	typeof( f.val ) temp = f.val; \
	486	fmt( os, "%s", shortbin[(temp >> shift) & 0xf] ); \
	487	for () { \
	488	shift -= 4; \
	489	if ( shift < 0 ) break; \
	490	temp = f.val; \
	491	fmt( os, "%s", longbin[(temp >> shift) & 0xf] ); \
	492	} /* for */ \
	493	if ( f.flags.left && spaces > 0 ) fmt( os, "%*s", spaces, " " ); \
	494	return os; \
[2c60c644]	495	} /* if */ \
[3c573e9]	496	\
	497	char fmtstr[sizeof(IFMTP)]; /* sizeof includes '\0' */ \
	498	if ( ! f.flags.pc ) memcpy( &fmtstr, IFMTNP, sizeof(IFMTNP) ); \
	499	else memcpy( &fmtstr, IFMTP, sizeof(IFMTP) ); \
[0c51f9ad]	500	int star = 5; /* position before first '' / \
[3c573e9]	501	\
	502	/* Insert flags into spaces before '', from right to left. / \
	503	if ( ! f.flags.nobsdp ) { fmtstr[star] = '#'; star -= 1; } \
	504	if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } \
[2c60c644]	505	if ( f.flags.sign ) { fmtstr[star] = '+'; star -= 1; } \
[3c573e9]	506	if ( f.flags.pad0 && ! f.flags.pc ) { fmtstr[star] = '0'; star -= 1; } \
[0c51f9ad]	507	fmtstr[star] = '\''; star -= 1; /* locale */ \
[3c573e9]	508	fmtstr[star] = '%'; \
	509	\
	510	if ( ! f.flags.pc ) { /* no precision */ \
	511	fmtstr[sizeof(IFMTNP)-2] = f.base; /* sizeof includes '\0' */ \
[2c60c644]	512	/* printf( "%s %c\n", &fmtstr[star], f.base ); */ \
[3c573e9]	513	fmt( os, &fmtstr[star], f.wd, f.val ); \
	514	} else { /* precision */ \
	515	fmtstr[sizeof(IFMTP)-2] = f.base; /* sizeof includes '\0' */ \
[2c60c644]	516	/* printf( "%s %c\n", &fmtstr[star], f.base ); */ \
[3c573e9]	517	fmt( os, &fmtstr[star], f.wd, f.pc, f.val ); \
	518	} /* if */ \
	519	return os; \
	520	} /* ?\|? */ \
[e474cf09]	521	void ?\|?( ostype & os, _Ostream_Manip(T) f ) { \
	522	(ostype &)(os \| f); ends( os ); \
	523	} /* ?\|? */ \
[3c573e9]	524	} // distribution
	525
[0c51f9ad]	526	IntegralFMTImpl( signed char, " hh ", " .*hh " )
	527	IntegralFMTImpl( unsigned char, " hh ", " .*hh " )
	528	IntegralFMTImpl( signed short int, " h ", " .*h " )
	529	IntegralFMTImpl( unsigned short int, " h ", " .*h " )
	530	IntegralFMTImpl( signed int, " * ", " . " )
	531	IntegralFMTImpl( unsigned int, " * ", " . " )
	532	IntegralFMTImpl( signed long int, " l ", " .*l " )
	533	IntegralFMTImpl( unsigned long int, " l ", " .*l " )
	534	IntegralFMTImpl( signed long long int, " ll ", " .*ll " )
	535	IntegralFMTImpl( unsigned long long int, " ll ", " .*ll " )
[bd5b443]	536
[2c60c644]	537
	538	#if defined( __SIZEOF_INT128__ )
	539	// Default prefix for non-decimal prints is 0b, 0, 0x.
[85d8153]	540	forall( ostype & \| basic_ostream( ostype ) )
[2c60c644]	541	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 ) {
	542	int wd = 1; // f.wd is never 0 because 0 implies left-pad
	543	if ( val > power ) { // subdivide value into printable 64-bit values
	544	base_128( os, val / power, power, f, maxdig, bits, cnt + 1 ); // recursive
	545	f.val = val % power;
[ac9ba12]	546	if ( cnt == 1 && f.flags.left ) { wd = f.wd; f.wd = maxdig; } // copy f.wd and reset for printing middle chunk
[7d9bbef]	547	// printf( "R val:%#lx(%lu) wd:%u pc:%u base:%c neg:%d pc:%d left:%d nobsdp:%d sign:%d pad0:%d\n",
	548	// 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]	549	(ostype &)(os \| f);
	550	if ( cnt == 1 ) {
[ac9ba12]	551	if ( f.flags.left ) { wd -= maxdig; f.wd = wd < 0 ? 1 : wd; } // update and restore f.wd for printing end chunk
[2c60c644]	552	sepOff( os ); // no seperator between chunks
	553	} // if
[ac9ba12]	554	} else { // print start chunk
[2c60c644]	555	f.val = val;
	556	// f.pc is unsigned => use wd
	557	if ( f.flags.pc && f.pc > maxdig * cnt ) { wd = f.pc - maxdig * cnt; f.pc = wd < 0 ? 0 : wd; }
	558	else { f.flags.pc = false; f.pc = 0; }
	559
	560	if ( ! f.flags.left ) { // right justify
	561	wd = f.wd - maxdig * cnt;
	562	f.wd = wd < 0 ? 1 : wd;
	563	wd = maxdig;
	564	} else { // left justify
	565	if ( cnt != 0 ) { // value >= 2^64 ?
	566	unsigned int dig, bs = 0;
[ac9ba12]	567	// compute size of prefix digits and base
[2c60c644]	568	if ( f.base == 'd' \|\| f.base == 'u' ) { // no base prefix
	569	dig = ceil( log10( f.val ) ); // use floating-point
	570	if ( f.base == 'd' && (f.flags.neg \|\| f.flags.sign) ) bs = 1; // sign ?
	571	} else {
[53fd995]	572	dig = ceiling_div( high1( f.val ), bits );
[2c60c644]	573	if ( ! f.flags.nobsdp ) { // base prefix ?
	574	if ( f.base == 'o' ) {
	575	// 0 prefix for octal is not added for precision with leading zero
	576	if ( f.pc <= dig ) bs = 1; // 1 character prefix
	577	} else bs = 2; // 2 character prefix
	578	} // if
	579	} // if
	580	wd = f.wd - (f.pc > dig ? f.pc : dig) - bs; // precision > leading digits ?
	581	if ( wd < 0 ) wd = 1;
	582	f.wd = 1;
	583	} // if
	584	// all manipulators handled implicitly for value < 2^64
	585	} // if
	586	// prior checks ensure wd not negative
	587
	588	if ( f.flags.neg ) f.val = -f.val;
[7d9bbef]	589	// printf( "L val:%#lx(%lu) wd:%u pc:%u base:%c neg:%d pc:%d left:%d nobsdp:%d sign:%d pad0:%d\n",
	590	// 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]	591	(ostype &)(os \| f);
	592
[ac9ba12]	593	// remaining middle and end chunks are padded with 0s on the left
[2c60c644]	594	if ( ! f.flags.left ) { f.flags.pad0 = true; f.flags.pc = false; } // left pad with 0s
	595	else { f.pc = maxdig; f.flags.pc = true; } // left pad with precision
[ac9ba12]	596
[2c60c644]	597	if ( cnt != 0 ) sepOff( os ); // no seperator between chunks
[ac9ba12]	598	f.wd = wd; // reset f.wd for next chunk
	599	f.flags.sign = false; // no leading +/- sign
	600	f.flags.nobsdp = true; // no leading base prefix
[2c60c644]	601	} // if
	602	} // base_128
	603
	604	#define IntegralFMTImpl128( T ) \
[85d8153]	605	forall( ostype & \| basic_ostream( ostype ) ) { \
[2c60c644]	606	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ) { \
	607	_Ostream_Manip(uint64_t) fmt; \
	608	fmt.[wd, pc, base, all] = f.[wd, pc, base, all]; \
	609	if ( f.base == 'b' \| f.base == 'B' ) { \
	610	base_128( os, f.val, (unsigned int128)1 << 64, fmt, 64, 1 ); \
	611	} else if ( f.base == 'o' ) { \
	612	base_128( os, f.val, (unsigned int128)1 << 63, fmt, 21, 3 ); \
	613	} else if ( f.base == 'd' \|\| f.base == 'u' ) { \
	614	if ( f.base == 'd' && f.val < 0 ) { f.val = -f.val; fmt.flags.neg = true; } \
	615	base_128( os, f.val, (unsigned int128)10_000_000_000_000_000_000UL, fmt, 19, 0 ); \
	616	} else { \
	617	base_128( os, f.val, (unsigned int128)1 << 64, fmt, 16, 4 ); \
	618	} /* if */ \
	619	return os; \
	620	} /* ?\|? */ \
	621	void ?\|?( ostype & os, _Ostream_Manip(T) f ) { (ostype &)(os \| f); ends( os ); } \
	622	} // distribution
	623
	624	IntegralFMTImpl128( int128 )
	625	IntegralFMTImpl128( unsigned int128 )
	626	#endif // __SIZEOF_INT128__
[bd5b443]	627
[8d321f9]	628	// ********************************* floating point *********************************
[3c573e9]	629
[fd4c009]	630	static const char *suffixes[] = {
	631	"y", "z", "a", "f", "p", "n", "u", "m", "",
	632	"K", "M", "G", "T", "P", "E", "Z", "Y"
	633	};
	634	#define SUFFIXES_START (-24) /* Smallest power for which there is a suffix defined. */
	635	#define SUFFIXES_END (SUFFIXES_START + (int)((sizeof(suffixes) / sizeof(char ) - 1) 3))
	636
	637	#define PrintWithDP2( os, format, ... ) \
[3c573e9]	638	{ \
[fd4c009]	639	if ( ! f.flags.eng ) { \
	640	len = snprintf( buf, size, format, ##__VA_ARGS__ ); \
	641	if ( isfinite( f.val ) && ( f.pc != 0 \|\| ! f.flags.nobsdp ) ) { /* if number, print decimal point when no fraction or exponent */ \
	642	for ( i = 0; i < len && buf[i] != '.' && buf[i] != 'e' && buf[i] != 'E'; i += 1 ); /* decimal point or scientific ? */ \
	643	if ( i == len ) { \
	644	if ( ! f.flags.left ) { \
	645	buf[i] = '.'; buf[i + 1] = '\0'; \
	646	if ( buf[0] == ' ' ) bufbeg = 1; /* decimal point within width */ \
	647	} else { \
	648	for ( i = 0; i < len && buf[i] != ' '; i += 1 ); /* trailing blank ? */ \
	649	buf[i] = '.'; \
	650	if ( i == len ) buf[i + 1] = '\0'; \
	651	} /* if */ \
[3c573e9]	652	} /* if */ \
	653	} /* if */ \
[fd4c009]	654	} else { \
	655	int exp10, len2; \
	656	eng( f.val, f.pc, exp10 ); /* changes arguments */ \
[b1e614f4]	657	/* printf( "%g %d %d %d %s\n", f.val, f.wd, f.pc, exp10, format ); */ \
[fd4c009]	658	if ( ! f.flags.left && f.wd > 1 ) { \
[b1e614f4]	659	/* Exponent size: 'e', optional minus sign, number of digits: log10(0) => undefined */ \
	660	f.wd -= 1 + (exp10 < 0 ? 1 : 0) + lrint( floor( exp10 == 0 ? 0 : log10( abs( exp10 ) ) ) ) + 1; \
[fd4c009]	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 ) \
[85d8153]	679	forall( ostype & \| basic_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	\
[6c5d92f]	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) ); \
[b5f17e14]	697	int star = 5; /* 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	if ( f.flags.sign ) { fmtstr[star] = '+'; star -= 1; } \
	702	if ( f.flags.pad0 ) { fmtstr[star] = '0'; star -= 1; } \
[b5f17e14]	703	fmtstr[star] = '\''; star -= 1; /* locale */ \
[3c573e9]	704	fmtstr[star] = '%'; \
	705	\
	706	if ( ! f.flags.pc ) { /* no precision */ \
	707	fmtstr[sizeof(DFMTNP)-2] = f.base; /* sizeof includes '\0' */ \
[b1e614f4]	708	/* printf( "%g %d %s\n", f.val, f.wd, &fmtstr[star] ); */ \
[fd4c009]	709	PrintWithDP2( os, &fmtstr[star], f.wd, f.val ) \
[3c573e9]	710	} else { /* precision */ \
	711	fmtstr[sizeof(DFMTP)-2] = f.base; /* sizeof includes '\0' */ \
	712	/* printf( "%g %d %d %s\n", f.val, f.wd, f.pc, &fmtstr[star] ); */ \
[fd4c009]	713	PrintWithDP2( os, &fmtstr[star], f.wd, f.pc, f.val ) \
[3c573e9]	714	} /* if */ \
	715	return os; \
	716	} /* ?\|? */ \
[e3fea42]	717	\
[65240bb]	718	void ?\|?( ostype & os, _Ostream_Manip(T) f ) { (ostype &)(os \| f); ends( os ); } \
[3c573e9]	719	} // distribution
	720
[b5f17e14]	721	FloatingPointFMTImpl( double, " * ", " . " )
	722	FloatingPointFMTImpl( long double, " L ", " .*L " )
[3c573e9]	723
[8d321f9]	724	// ********************************* character *********************************
[3c573e9]	725
[85d8153]	726	forall( ostype & \| basic_ostream( ostype ) ) {
[3c573e9]	727	ostype & ?\|?( ostype & os, _Ostream_Manip(char) f ) {
[4f37255]	728	if ( f.base != 'c' ) { // bespoke binary/octal/hex format
[3c573e9]	729	_Ostream_Manip(unsigned char) fmtuc @= { f.val, f.wd, f.pc, f.base, {'\0'} };
	730	fmtuc.flags.pc = f.flags.pc;
	731	fmtuc.flags.nobsdp = f.flags.nobsdp;
	732	// os \| fmtuc \| nonl;
	733	(ostype &)(os \| fmtuc);
	734	return os;
	735	} // if
	736
[6c5d92f]	737	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[3c573e9]	738
	739	#define CFMTNP "% * "
[4f37255]	740	char fmtstr[sizeof(CFMTNP)]; // sizeof includes '\0'
[3c573e9]	741	memcpy( &fmtstr, CFMTNP, sizeof(CFMTNP) );
[4f37255]	742	int star = 1; // position before first '*'
[3c573e9]	743
	744	// Insert flags into spaces before '*', from right to left.
	745	if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; }
	746	fmtstr[star] = '%';
	747
[4f37255]	748	fmtstr[sizeof(CFMTNP)-2] = f.base; // sizeof includes '\0'
[3c573e9]	749	// printf( "%d %s\n", f.wd, &fmtstr[star] );
	750	fmt( os, &fmtstr[star], f.wd, f.val );
	751	return os;
	752	} // ?\|?
[e3fea42]	753
[65240bb]	754	void ?\|?( ostype & os, _Ostream_Manip(char) f ) { (ostype &)(os \| f); ends( os ); }
[3c573e9]	755	} // distribution
	756
[8d321f9]	757	// ********************************* C string *********************************
[3c573e9]	758
[85d8153]	759	forall( ostype & \| basic_ostream( ostype ) ) {
[3c573e9]	760	ostype & ?\|?( ostype & os, _Ostream_Manip(const char *) f ) {
	761	if ( ! f.val ) return os; // null pointer ?
	762
	763	if ( f.base != 's' ) { // bespoke binary/octal/hex format
	764	_Ostream_Manip(unsigned char) fmtuc @= { 0, f.wd, f.pc, f.base, {'\0'} };
	765	fmtuc.flags.pc = f.flags.pc;
	766	fmtuc.flags.nobsdp = f.flags.nobsdp;
[ebf8ca5]	767	for ( i; 0 ~ @ : @; f.val[i] != '\0' ) {
[3c573e9]	768	fmtuc.val = f.val[i];
	769	// os \| fmtuc \| nonl;
	770	(ostype &)(os \| fmtuc);
	771	} // for
	772	return os;
	773	} // if
	774
[6c5d92f]	775	if ( sepPrt$( os ) ) fmt( os, "%s", sepGetCur$( os ) );
[3c573e9]	776
	777	#define SFMTNP "% * "
	778	#define SFMTP "% . "
	779	char fmtstr[sizeof(SFMTP)]; // sizeof includes '\0'
	780	if ( ! f.flags.pc ) memcpy( &fmtstr, SFMTNP, sizeof(SFMTNP) );
	781	else memcpy( &fmtstr, SFMTP, sizeof(SFMTP) );
	782	int star = 1; // position before first '*'
	783
	784	// Insert flags into spaces before '*', from right to left.
	785	if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; }
	786	fmtstr[star] = '%';
	787
	788	if ( ! f.flags.pc ) { // no precision
	789	// printf( "%d %s\n", f.wd, &fmtstr[star] );
	790	fmtstr[sizeof(SFMTNP)-2] = f.base; // sizeof includes '\0'
	791	fmt( os, &fmtstr[star], f.wd, f.val );
	792	} else { // precision
	793	fmtstr[sizeof(SFMTP)-2] = f.base; // sizeof includes '\0'
	794	// printf( "%d %d %s\n", f.wd, f.pc, &fmtstr[star] );
	795	fmt( os, &fmtstr[star], f.wd, f.pc, f.val );
	796	} // if
	797	return os;
	798	} // ?\|?
[e3fea42]	799
[65240bb]	800	void ?\|?( ostype & os, _Ostream_Manip(const char *) f ) { (ostype &)(os \| f); ends( os ); }
[3c573e9]	801	} // distribution
	802
	803
[8d321f9]	804	// ********************************* istream *********************************
[3c573e9]	805
[e56cfdb0]	806
[ef3ac46]	807	forall( istype & \| basic_istream( istype ) ) {
[93c2e0a]	808	istype & ?\|?( istype & is, bool & b ) {
[3ce0d440]	809	char val[6];
	810	fmt( is, "%5s", val );
	811	if ( strcmp( val, "true" ) == 0 ) b = true;
	812	else if ( strcmp( val, "false" ) == 0 ) b = false;
	813	else {
[93c2e0a]	814	fprintf( stderr, "invalid Boolean constant\n" );
[4f37255]	815	abort(); // cannot use abort stream
[3ce0d440]	816	} // if
	817	return is;
	818	} // ?\|?
[e474cf09]	819	void ?\|?( istype & is, bool & b ) {
	820	(istype &)(is \| b); ends( is );
	821	} // ?\|?
[3ce0d440]	822
	823	istype & ?\|?( istype & is, char & c ) {
[0efb269]	824	char temp;
	825	for () {
[4f37255]	826	fmt( is, "%c", &temp ); // must pass pointer through varg to fmt
[0efb269]	827	// do not overwrite parameter with newline unless appropriate
[c8371b5]	828	if ( temp != '\n' \|\| getANL$( is ) ) { c = temp; break; }
[0efb269]	829	if ( eof( is ) ) break;
	830	} // for
[3ce0d440]	831	return is;
	832	} // ?\|?
[e474cf09]	833	void ?\|?( istype & is, char & c ) {
	834	(istype &)(is \| c); ends( is );
	835	} // ?\|?
[3ce0d440]	836
	837	istype & ?\|?( istype & is, signed char & sc ) {
[3c573e9]	838	fmt( is, "%hhi", &sc );
[3ce0d440]	839	return is;
	840	} // ?\|?
[e474cf09]	841	void ?\|?( istype & is, signed char & sc ) {
	842	(istype &)(is \| sc); ends( is );
	843	} // ?\|?
[3ce0d440]	844
	845	istype & ?\|?( istype & is, unsigned char & usc ) {
[3c573e9]	846	fmt( is, "%hhi", &usc );
[3ce0d440]	847	return is;
	848	} // ?\|?
[e474cf09]	849	void ?\|?( istype & is, unsigned char & usc ) {
	850	(istype &)(is \| usc); ends( is );
	851	} // ?\|?
[3ce0d440]	852
	853	istype & ?\|?( istype & is, short int & si ) {
[3c573e9]	854	fmt( is, "%hi", &si );
[3ce0d440]	855	return is;
	856	} // ?\|?
[e474cf09]	857	void ?\|?( istype & is, short int & si ) {
	858	(istype &)(is \| si); ends( is );
	859	} // ?\|?
[3ce0d440]	860
	861	istype & ?\|?( istype & is, unsigned short int & usi ) {
[3c573e9]	862	fmt( is, "%hi", &usi );
[3ce0d440]	863	return is;
	864	} // ?\|?
[e474cf09]	865	void ?\|?( istype & is, unsigned short int & usi ) {
	866	(istype &)(is \| usi); ends( is );
	867	} // ?\|?
[3ce0d440]	868
	869	istype & ?\|?( istype & is, int & i ) {
[3c573e9]	870	fmt( is, "%i", &i );
[3ce0d440]	871	return is;
	872	} // ?\|?
[e474cf09]	873	void ?\|?( istype & is, int & i ) {
	874	(istype &)(is \| i); ends( is );
	875	} // ?\|?
[3ce0d440]	876
	877	istype & ?\|?( istype & is, unsigned int & ui ) {
[3c573e9]	878	fmt( is, "%i", &ui );
[3ce0d440]	879	return is;
	880	} // ?\|?
[e474cf09]	881	void ?\|?( istype & is, unsigned int & ui ) {
	882	(istype &)(is \| ui); ends( is );
	883	} // ?\|?
[3ce0d440]	884
	885	istype & ?\|?( istype & is, long int & li ) {
[3c573e9]	886	fmt( is, "%li", &li );
[3ce0d440]	887	return is;
	888	} // ?\|?
[e474cf09]	889	void ?\|?( istype & is, long int & li ) {
	890	(istype &)(is \| li); ends( is );
	891	} // ?\|?
[3ce0d440]	892
	893	istype & ?\|?( istype & is, unsigned long int & ulli ) {
[3c573e9]	894	fmt( is, "%li", &ulli );
[3ce0d440]	895	return is;
	896	} // ?\|?
[e474cf09]	897	void ?\|?( istype & is, unsigned long int & ulli ) {
	898	(istype &)(is \| ulli); ends( is );
	899	} // ?\|?
[3ce0d440]	900
	901	istype & ?\|?( istype & is, long long int & lli ) {
[3c573e9]	902	fmt( is, "%lli", &lli );
[3ce0d440]	903	return is;
	904	} // ?\|?
[e474cf09]	905	void ?\|?( istype & is, long long int & lli ) {
	906	(istype &)(is \| lli); ends( is );
	907	} // ?\|?
[3ce0d440]	908
	909	istype & ?\|?( istype & is, unsigned long long int & ulli ) {
[3c573e9]	910	fmt( is, "%lli", &ulli );
[3ce0d440]	911	return is;
	912	} // ?\|?
[e474cf09]	913	void & ?\|?( istype & is, unsigned long long int & ulli ) {
	914	(istype &)(is \| ulli); ends( is );
	915	} // ?\|?
[3ce0d440]	916
[ef3ac46]	917	#if defined( __SIZEOF_INT128__ )
[e474cf09]	918	istype & ?\|?( istype & is, int128 & llli ) {
	919	return (istype &)(is \| (unsigned int128 &)llli);
	920	} // ?\|?
	921	void ?\|?( istype & is, int128 & llli ) {
	922	(istype &)(is \| llli); ends( is );
[fe68bdf]	923	} // ?\|?
	924
[e474cf09]	925	istype & ?\|?( istype & is, unsigned int128 & ullli ) {
[fe68bdf]	926	char s[40];
	927	bool sign = false;
	928
	929	if ( fmt( is, " %[-]", s ) == 1 ) sign = true; // skip whitespace, negative sign ?
	930	// If the input is too large, the value returned is undefined. If there is no input, no value is returned
	931	if ( fmt( is, "%39[0-9]%*[0-9]", s ) == 1 ) { // take first 39 characters, ignore remaining
[e474cf09]	932	ullli = 0;
[ebf8ca5]	933	for ( i; 0 ~ @ : @; s[i] != '\0' ) {
[e474cf09]	934	ullli = ullli * 10 + s[i] - '0';
[fe68bdf]	935	} // for
[e474cf09]	936	if ( sign ) ullli = -ullli;
[fe68bdf]	937	} else if ( sign ) ungetc( is, '-' ); // return minus when no digits
	938	return is;
	939	} // ?\|?
[e474cf09]	940	void ?\|?( istype & is, unsigned int128 & ullli ) {
	941	(istype &)(is \| ullli); ends( is );
	942	} // ?\|?
[ef3ac46]	943	#endif // __SIZEOF_INT128__
[3ce0d440]	944
	945	istype & ?\|?( istype & is, float & f ) {
	946	fmt( is, "%f", &f );
	947	return is;
	948	} // ?\|?
[e474cf09]	949	void ?\|?( istype & is, float & f ) {
	950	(istype &)(is \| f); ends( is );
	951	} // ?\|?
[3ce0d440]	952
	953	istype & ?\|?( istype & is, double & d ) {
	954	fmt( is, "%lf", &d );
	955	return is;
	956	} // ?\|?
[e474cf09]	957	void ?\|?( istype & is, double & d ) {
	958	(istype &)(is \| d); ends( is );
	959	} // ?\|?
[3ce0d440]	960
	961	istype & ?\|?( istype & is, long double & ld ) {
	962	fmt( is, "%Lf", &ld );
	963	return is;
	964	} // ?\|?
[e474cf09]	965	void ?\|?( istype & is, long double & ld ) {
	966	(istype &)(is \| ld); ends( is );
	967	} // ?\|?
[3ce0d440]	968
	969	istype & ?\|?( istype & is, float _Complex & fc ) {
	970	float re, im;
[3c573e9]	971	fmt( is, "%f%fi", &re, &im );
[3ce0d440]	972	fc = re + im * _Complex_I;
	973	return is;
	974	} // ?\|?
[e474cf09]	975	void ?\|?( istype & is, float _Complex & fc ) {
	976	(istype &)(is \| fc); ends( is );
	977	} // ?\|?
[3ce0d440]	978
	979	istype & ?\|?( istype & is, double _Complex & dc ) {
	980	double re, im;
	981	fmt( is, "%lf%lfi", &re, &im );
	982	dc = re + im * _Complex_I;
	983	return is;
	984	} // ?\|?
[e474cf09]	985	void ?\|?( istype & is, double _Complex & dc ) {
	986	(istype &)(is \| dc); ends( is );
	987	} // ?\|?
[3ce0d440]	988
	989	istype & ?\|?( istype & is, long double _Complex & ldc ) {
	990	long double re, im;
	991	fmt( is, "%Lf%Lfi", &re, &im );
	992	ldc = re + im * _Complex_I;
	993	return is;
	994	} // ?\|?
[e474cf09]	995	void ?\|?( istype & is, long double _Complex & ldc ) {
	996	(istype &)(is \| ldc); ends( is );
	997	} // ?\|?
[3ce0d440]	998
[e3fea42]	999	// istype & ?\|?( istype & is, const char fmt[] ) {
[dc5072f]	1000	// fmt( is, fmt, "" );
	1001	// return is;
	1002	// } // ?\|?
[04396aa]	1003
[e474cf09]	1004	istype & ?\|?( istype & is, char s[] ) {
[04396aa]	1005	fmt( is, "%s", s );
	1006	return is;
	1007	} // ?\|?
[e474cf09]	1008	void ?\|?( istype & is, char s[] ) {
	1009	(istype &)(is \| s); ends( is );
	1010	} // ?\|?
[04396aa]	1011
[3ce0d440]	1012	// manipulators
	1013	istype & ?\|?( istype & is, istype & (* manip)( istype & ) ) {
	1014	return manip( is );
	1015	} // ?\|?
[e474cf09]	1016	void ?\|?( istype & is, istype & (* manip)( istype & ) ) {
	1017	manip( is ); ends( is );
	1018	} // ?\|?
[3ce0d440]	1019
[200fcb3]	1020	istype & nl( istype & is ) {
[3c5dee4]	1021	fmt( is, "%*[^\n]" ); // ignore characters to newline
[3ce0d440]	1022	return is;
[200fcb3]	1023	} // nl
[0efb269]	1024
	1025	istype & nlOn( istype & is ) {
	1026	nlOn( is ); // call void returning
	1027	return is;
	1028	} // nlOn
	1029
	1030	istype & nlOff( istype & is ) {
	1031	nlOff( is ); // call void returning
	1032	return is;
	1033	} // nlOff
[ef3ac46]	1034	} // distribution
[44574f2]	1035
[8d321f9]	1036	// ********************************* manipulators *********************************
[3c573e9]	1037
[ef3ac46]	1038	forall( istype & \| basic_istream( istype ) ) {
[e474cf09]	1039	istype & ?\|?( istype & is, _Istream_Cstr f ) {
	1040	// skip xxx
	1041	if ( ! f.s ) {
	1042	// printf( "skip %s %d\n", f.scanset, f.wd );
	1043	if ( f.wd == -1 ) fmt( is, f.scanset, "" ); // no input arguments
	1044	else for ( f.wd ) fmt( is, "%*c" );
	1045	return is;
	1046	} // if
	1047	size_t len = 0;
	1048	if ( f.scanset ) len = strlen( f.scanset );
	1049	char fmtstr[len + 16];
	1050	int start = 1;
	1051	fmtstr[0] = '%';
	1052	if ( f.flags.ignore ) { fmtstr[1] = '*'; start += 1; }
	1053	if ( f.wd != -1 ) { start += sprintf( &fmtstr[start], "%d", f.wd ); }
	1054	// cstr %s, %s, %ws, %ws
	1055	if ( ! f.scanset ) {
	1056	fmtstr[start] = 's'; fmtstr[start + 1] = '\0';
	1057	// printf( "cstr %s\n", fmtstr );
	1058	fmt( is, fmtstr, f.s );
	1059	return is;
	1060	} // if
	1061	// incl %[xxx], %[xxx], %w[xxx], %w[xxx]
	1062	// excl %[^xxx], %[^xxx], %w[^xxx], %w[^xxx]
	1063	fmtstr[start] = '['; start += 1;
	1064	if ( f.flags.inex ) { fmtstr[start] = '^'; start += 1; }
	1065	strcpy( &fmtstr[start], f.scanset ); // copy includes '\0'
	1066	len += start;
	1067	fmtstr[len] = ']'; fmtstr[len + 1] = '\0';
	1068	// printf( "incl/excl %s\n", fmtstr );
[61c7239]	1069	fmt( is, fmtstr, f.s );
	1070	return is;
[e474cf09]	1071	} // ?\|?
	1072	void ?\|?( istype & is, _Istream_Cstr f ) {
	1073	(istype &)(is \| f); ends( is );
	1074	} // ?\|?
	1075
	1076	istype & ?\|?( istype & is, _Istream_Char f ) {
	1077	fmt( is, "%*c" ); // argument variable unused
	1078	return is;
	1079	} // ?\|?
	1080	void ?\|?( istype & is, _Istream_Char f ) {
	1081	(istype &)(is \| f); ends( is );
	1082	} // ?\|?
	1083	} // distribution
[86a8be5]	1084
[3c573e9]	1085	#define InputFMTImpl( T, CODE ) \
[ef3ac46]	1086	forall( istype & \| basic_istream( istype ) ) { \
[e474cf09]	1087	istype & ?\|?( istype & is, _Istream_Manip(T) f ) { \
	1088	enum { size = 16 }; \
	1089	char fmtstr[size]; \
	1090	if ( f.wd == -1 ) { \
	1091	snprintf( fmtstr, size, "%%%s%s", f.ignore ? "*" : "", CODE ); \
	1092	} else { \
	1093	snprintf( fmtstr, size, "%%%s%d%s", f.ignore ? "*" : "", f.wd, CODE ); \
	1094	} /* if */ \
	1095	/* printf( "%d %s %p\n", f.wd, fmtstr, &f.val ); */ \
	1096	fmt( is, fmtstr, &f.val ); \
	1097	return is; \
	1098	} /* ?\|? */ \
	1099	void ?\|?( istype & is, _Istream_Manip(T) f ) { \
	1100	(istype &)(is \| f); ends( is ); \
	1101	} /* ?\|? */ \
	1102	} // distribution
[3c573e9]	1103
	1104	InputFMTImpl( signed char, "hhi" )
	1105	InputFMTImpl( unsigned char, "hhi" )
	1106	InputFMTImpl( signed short int, "hi" )
	1107	InputFMTImpl( unsigned short int, "hi" )
	1108	InputFMTImpl( signed int, "i" )
	1109	InputFMTImpl( unsigned int, "i" )
	1110	InputFMTImpl( signed long int, "li" )
	1111	InputFMTImpl( unsigned long int, "li" )
	1112	InputFMTImpl( signed long long int, "lli" )
	1113	InputFMTImpl( unsigned long long int, "lli" )
	1114
	1115	InputFMTImpl( float, "f" )
	1116	InputFMTImpl( double, "lf" )
	1117	InputFMTImpl( long double, "Lf" )
	1118
[ef3ac46]	1119	forall( istype & \| basic_istream( istype ) ) {
[e474cf09]	1120	istype & ?\|?( istype & is, _Istream_Manip(float _Complex) fc ) {
	1121	float re, im;
	1122	_Istream_Manip(float) fmtuc @= { re, fc.wd, fc.ignore };
	1123	is \| fmtuc;
	1124	&fmtuc.val = &im;
	1125	is \| fmtuc;
	1126	if ( ! fc.ignore ) fc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
	1127	return is;
	1128	} // ?\|?
	1129	void ?\|?( istype & is, _Istream_Manip(float _Complex) fc ) {
	1130	(istype &)(is \| fc); ends( is );
	1131	} // ?\|?
	1132
	1133	istype & ?\|?( istype & is, _Istream_Manip(double _Complex) dc ) {
	1134	double re, im;
	1135	_Istream_Manip(double) fmtuc @= { re, dc.wd, dc.ignore };
	1136	is \| fmtuc;
	1137	&fmtuc.val = &im;
	1138	is \| fmtuc;
	1139	if ( ! dc.ignore ) dc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
	1140	return is;
	1141	} // ?\|?
	1142	void ?\|?( istype & is, _Istream_Manip(double _Complex) dc ) {
	1143	(istype &)(is \| dc); ends( is );
	1144	} // ?\|?
	1145
	1146	istype & ?\|?( istype & is, _Istream_Manip(long double _Complex) ldc ) {
	1147	long double re, im;
	1148	_Istream_Manip(long double) fmtuc @= { re, ldc.wd, ldc.ignore };
	1149	is \| fmtuc;
	1150	&fmtuc.val = &im;
	1151	is \| fmtuc;
	1152	if ( ! ldc.ignore ) ldc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
	1153	return is;
	1154	} // ?\|?
	1155	void ?\|?( istype & is, _Istream_Manip(long double _Complex) ldc ) {
	1156	(istype &)(is \| ldc); ends( is );
	1157	} // ?\|?
	1158	} // distribution
[3c573e9]	1159
[86bd7c1f]	1160	// Local Variables: //
	1161	// tab-width: 4 //
[084520f]	1162	// compile-command: "cfa iostream.cfa" //
[86bd7c1f]	1163	// End: //

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