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loopctrl.cfa @ 8dc6f84

Last change on this file since 8dc6f84 was 72abc90a, checked in by Peter A. Buhr <pabuhr@…>, 4 months ago
remove unnecessary assignment when looping with a structure type
Property mode set to `100644`
File size: 7.5 KB

Rev	Line
[b6ad601]	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	//
[dc8511c]	7	// loopctrl.cfa --
[b6ad601]	8	//
	9	// Author : Peter A. Buhr
	10	// Created On : Wed Aug 8 18:32:59 2018
	11	// Last Modified By : Peter A. Buhr
[72abc90a]	12	// Last Modified On : Thu Jun 27 11:00:09 2024
	13	// Update Count : 161
[b6ad601]	14	//
	15
	16	#include <fstream.hfa>
	17
[091ccdb]	18	void fred() {
	19	// Test all possible loop syntax.
	20
[c48b61c]	21	int s = 0, c = 10, i = 2;
	22
	23	for ( c ) { sout \| "A"; } sout \| nl;
	24	for ( ~= c ) { sout \| "B"; } sout \| nl;
	25	for ( -~ c ) { sout \| "C"; } sout \| nl;
	26	for ( -~= c ) { sout \| "D"; } sout \| nl;
	27
	28	for ( s ~ c ) { sout \| "A"; } sout \| nl;
	29	for ( s ~= c ) { sout \| "B"; } sout \| nl;
	30	for ( s -~ c ) { sout \| "C"; } sout \| nl;
	31	for ( s -~= c ) { sout \| "D"; } sout \| nl;
	32
	33	for ( s ~ c ~ i ) { sout \| "A"; } sout \| nl;
	34	for ( s ~= c ~ i ) { sout \| "B"; } sout \| nl;
	35	for ( s -~ c ~ i ) { sout \| "C"; } sout \| nl;
	36	for ( s -~= c ~ i ) { sout \| "D"; } sout \| nl;
	37
	38	for ( j; c ) { sout \| j; } sout \| nl;
	39	for ( j; ~= c ) { sout \| j; } sout \| nl;
	40	for ( j; -~ c ) { sout \| j; } sout \| nl;
	41	for ( j; -~= c ) { sout \| j; } sout \| nl;
	42
	43	for ( j; s ~ c ) { sout \| j; } sout \| nl;
	44	for ( j; s ~= c ) { sout \| j; } sout \| nl;
	45	for ( j; s -~ c ) { sout \| j; } sout \| nl;
	46	for ( j; s -~= c ) { sout \| j; } sout \| nl;
	47
	48	for ( j; s ~ c ~ i ) { sout \| j; } sout \| nl;
	49	for ( j; s ~= c ~ i ) { sout \| j; } sout \| nl;
	50	for ( j; s -~ c ~ i ) { sout \| j; } sout \| nl;
	51	for ( j; s -~= c ~ i ) { sout \| j; } sout \| nl;
[091ccdb]	52
	53	// CANNOT DIRECTLY INITIALIZE INDEX VARIABLE, ONLY SINGLE LOOP INDEX VARIABLE IN DECLARATION
	54
[c48b61c]	55	for ( j; c ) { sout \| j; } sout \| nl;
	56	for ( int j; c ) { sout \| j; } sout \| nl;
	57	for ( int j; ~= c ) { sout \| j; } sout \| nl;
	58	for ( int j; -~ c ) { sout \| j; } sout \| nl;
	59	for ( int j; -~= c ) { sout \| j; } sout \| nl;
	60
	61	for ( int j; s ~ c ) { sout \| j; } sout \| nl;
	62	for ( int j; s ~= c ) { sout \| j; } sout \| nl;
	63	for ( int j; s -~ c ) { sout \| j; } sout \| nl;
	64	for ( int j; s -~= c ) { sout \| j; } sout \| nl;
	65
	66	for ( int j; s ~ c ~ i ) { sout \| j; } sout \| nl;
	67	for ( int j; s ~= c ~ i ) { sout \| j; } sout \| nl;
	68	for ( int j; s -~ c ~ i ) { sout \| j; } sout \| nl;
	69	for ( int j; s -~= c ~ i ) { sout \| j; } sout \| nl;
	70
	71	for ( j; s ~ @ ) { if ( j == 10 ) break; sout \| j; } sout \| nl;
[283876d]	72	for ( j; @ -~ s ) { if ( j == -10 ) break; sout \| j; } sout \| nl;
[c48b61c]	73	for ( j; s ~ @ ~ i ) { if ( j == 10 ) break; sout \| j; } sout \| nl;
[283876d]	74	for ( j; @ -~ s ~ i ) { if ( j == -10 ) break; sout \| j; } sout \| nl;
[c48b61c]	75	for ( j; s ~ @ ~ @ ) { if ( j == 10 ) break; sout \| j; j += 1; } sout \| nl;
	76
	77	for ( int j; s ~ @ ) { if ( j == 10 ) break; sout \| j; j += 1; } sout \| nl;
[283876d]	78	for ( int j; @ -~ s ) { if ( j == -10 ) break; sout \| j; j -= 1; } sout \| nl;
[c48b61c]	79	for ( int j; s ~ @ ~ i ) { if ( j == 10 ) break; sout \| j; } sout \| nl;
[283876d]	80	for ( int j; @ -~ s ~ i ) { if ( j == -10 ) break; sout \| j; } sout \| nl;
[c48b61c]	81	for ( int j; s ~ @ ~ @ ) { if ( j == 10 ) break; sout \| j; j += 1; } sout \| nl;
[091ccdb]	82
	83	// enum E { A, B, C, D };
[c48b61c]	84	// for ( e; A ~= C ) { sout \| j; }
	85	// for ( e; A ~= D ) { sout \| j; }
	86	// for ( e; A -~= D ~ 2 ) { sout \| j; }
	87	// for ( e; E ) { sout \| j; }
	88	// for ( e; -~ E ) { sout \| j; }
[091ccdb]	89	}
	90
[b6ad601]	91	struct S { int i, j; };
	92	void ?{}( S & s ) { s.[i, j] = 0; }
	93	void ?{}( S & s, int i ) { s.[i, j] = [i, 0]; }
	94	void ?{}( S & s, int i, int j ) { s.[i, j] = [i, j]; }
	95	void ?{}( S & s, zero_t ) { s.[i, j] = 0; }
	96	void ?{}( S & s, one_t ) { s.[i, j] = 1; }
	97	int ?<?( S t1, S t2 ) { return t1.i < t2.i && t1.j < t2.j; }
	98	int ?<=?( S t1, S t2 ) { return t1.i <= t2.i && t1.j <= t2.j; }
	99	int ?>?( S t1, S t2 ) { return t1.i > t2.i && t1.j > t2.j; }
	100	int ?>=?( S t1, S t2 ) { return t1.i >= t2.i && t1.j >= t2.j; }
	101	S ?+=?( S & t1, S t2 ) { t1.i += t2.i; t1.j += t2.j; return t1; }
	102	S ?+=?( S & t, one_t ) { t.i += 1; t.j += 1; return t; }
	103	S ?-=?( S & t1, S t2 ) { t1.i -= t2.i; t1.j -= t2.j; return t1; }
	104	S ?-=?( S & t, one_t ) { t.i -= 1; t.j -= 1; return t; }
	105	ofstream & ?\|?( ofstream & os, S v ) { return os \| '(' \| v.i \| v.j \| ')'; }
[65240bb]	106	void & ?\|?( ofstream & os, S v ) { (ofstream &)(os \| v); ends( os ); }
[b6ad601]	107
	108	int main() {
[091ccdb]	109	// Test some loop options.
	110
[200fcb3]	111	sout \| nlOff; // turn off auto newline
	112	while () { sout \| "empty"; break; } sout \| nl;
	113	do { sout \| "empty"; break; } while (); sout \| nl;
[5ea5b28]	114	for () { sout \| "empty"; break; } sout \| nl \| nl;
[b6ad601]	115
[200fcb3]	116	for ( 0 ) { sout \| "A"; } sout \| "zero" \| nl;
	117	for ( 1 ) { sout \| "A"; } sout \| nl;
	118	for ( 10 ) { sout \| "A"; } sout \| nl;
[5c98a25]	119	for ( ~= 10 ) { sout \| "A"; } sout \| nl;
[200fcb3]	120	for ( 1 ~= 10 ~ 2 ) { sout \| "B"; } sout \| nl;
[c48b61c]	121	for ( 1 -~= 10 ~ 2 ) { sout \| "C"; } sout \| nl;
[200fcb3]	122	for ( 0.5 ~ 5.5 ) { sout \| "D"; } sout \| nl;
[c48b61c]	123	for ( 0.5 -~ 5.5 ) { sout \| "E"; } sout \| nl \| nl;
[b6ad601]	124
[200fcb3]	125	for ( i; 10 ) { sout \| i; } sout \| nl;
[5c98a25]	126	for ( i; ~= 10 ) { sout \| i; } sout \| nl;
[200fcb3]	127	for ( i; 1 ~= 10 ~ 2 ) { sout \| i; } sout \| nl;
[c48b61c]	128	for ( i; 1 -~= 10 ~ 2 ) { sout \| i; } sout \| nl;
[200fcb3]	129	for ( i; 0.5 ~ 5.5 ) { sout \| i; } sout \| nl;
[c48b61c]	130	for ( i; 0.5 -~ 5.5 ) { sout \| i; } sout \| nl;
[200fcb3]	131	for ( ui; 2u ~= 10u ~ 2u ) { sout \| ui; } sout \| nl;
[c48b61c]	132	for ( ui; 2u -~= 10u ~ 2u ) { sout \| ui; } sout \| nl \| nl;
[b6ad601]	133
[67d4e37]	134	// @ means do nothing
	135	for ( i; 1 ~ @ ) {
	136	if ( i > 10 ) break;
	137	sout \| i;
	138	} sout \| nl;
[283876d]	139	for ( i; @ -~ 10 ) {
[67d4e37]	140	if ( i < 0 ) break;
	141	sout \| i;
	142	} sout \| nl;
[1b54b54]	143	for ( i; 2 ~ @ ~ 2 ) {
	144	if ( i > 10 ) break;
	145	sout \| i;
	146	} sout \| nl;
	147	for ( i; 2.1 ~ @ ~ @ ) {
	148	if ( i > 10.5 ) break;
	149	sout \| i;
	150	i += 1.7;
	151	} sout \| nl;
[283876d]	152	for ( i; @ -~ 10 ~ 2 ) {
[1b54b54]	153	if ( i < 0 ) break;
	154	sout \| i;
	155	} sout \| nl;
	156	for ( i; 12.1 ~ @ ~ @ ) {
	157	if ( i < 2.5 ) break;
	158	sout \| i;
	159	i -= 1.7;
	160	} sout \| nl \| nl;
	161
[61dafb8]	162	enum { N = 10 };
[200fcb3]	163	for ( N ) { sout \| "N"; } sout \| nl;
	164	for ( i; N ) { sout \| i; } sout \| nl;
[283876d]	165	for ( i; ~= N ) { sout \| i; } sout \| nl;
[c48b61c]	166	for ( i; -~= N ) { sout \| i; } sout \| nl \| nl;
[61dafb8]	167
[dc8511c]	168	const int start = 3, comp = 10, inc = 2;
[200fcb3]	169	for ( i; start ~ comp ~ inc + 1 ) { sout \| i; } sout \| nl \| nl;
[b6ad601]	170
[67d4e37]	171	for ( i; 10 : j; -5 ~ @ ) { sout \| i \| j; } sout \| nl;
[283876d]	172	for ( i; 10 : j; @ -~ -5 ) { sout \| i \| j; } sout \| nl;
[67d4e37]	173	for ( i; 10 : j; -5 ~ @ ~ 2 ) { sout \| i \| j; } sout \| nl;
[283876d]	174	for ( i; 10 : j; @ -~ -5 ~ 2 ) { sout \| i \| j; } sout \| nl \| nl;
[67d4e37]	175
	176	for ( j; -5 ~ @ : i; 10 ) { sout \| i \| j; } sout \| nl;
[283876d]	177	for ( j; @ -~ -5 : i; 10 ) { sout \| i \| j; } sout \| nl;
[67d4e37]	178	for ( j; -5 ~ @ ~ 2 : i; 10 ) { sout \| i \| j; } sout \| nl;
[283876d]	179	for ( j; @ -~ -5 ~ 2 : i; 10 ) { sout \| i \| j; } sout \| nl \| nl;
[67d4e37]	180
[283876d]	181	for ( j; @ -~ -5 ~ 2 : i; 10 : k; 1.5 ~ @ ) { sout \| i \| j \| k; } sout \| nl;
	182	for ( j; @ -~ -5 ~ 2 : k; 1.5 ~ @ : i; 10 ) { sout \| i \| j \| k; } sout \| nl;
	183	for ( k; 1.5 ~ @ : j; @ -~ -5 ~ 2 : i; 10 ) { sout \| i \| j \| k; } sout \| nl;
[c48b61c]	184
[ff36907]	185	for ( S s = (S){0}; s < (S){10,10}; s += (S){1} ) { sout \| s; } sout \| nl;
	186	for ( s; (S){10,10} ) { sout \| s; } sout \| nl;
	187	sout \| nl;
	188	for ( s; (S){0} ~ (S){10,10} ) { sout \| s; } sout \| nl;
	189	for ( s; (S){0} ~ (S){10,10} ~ (S){1} ) { sout \| s; } sout \| nl;
	190	for ( s; (S){0} ~= (S){10,10} ) { sout \| s; } sout \| nl;
	191	for ( s; (S){0} ~= (S){10,10} ~ (S){1} ) { sout \| s; } sout \| nl;
	192	sout \| nl;
	193	for ( s; (S){0} -~ (S){10,10} ) { sout \| s; } sout \| nl;
	194	for ( s; (S){0} -~ (S){10,10} ~ (S){1} ) { sout \| s; } sout \| nl;
	195	for ( s; (S){0} -~= (S){10,10} ) { sout \| s; } sout \| nl;
	196	for ( s; (S){0} -~= (S){10,10} ~ (S){1} ) { sout \| s; } sout \| nl \| nl;
	197
[c48b61c]	198	fred();
[b6ad601]	199	}
	200
	201	// Local Variables: //
	202	// tab-width: 4 //
[dc8511c]	203	// compile-command: "cfa loopctrl.cfa" //
[b6ad601]	204	// End: //

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