| [b6ad601] | 1 | // | 
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|  | 2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo | 
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|  | 3 | // | 
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|  | 4 | // The contents of this file are covered under the licence agreement in the | 
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|  | 5 | // file "LICENCE" distributed with Cforall. | 
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|  | 6 | // | 
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| [dc8511c] | 7 | // loopctrl.cfa -- | 
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| [b6ad601] | 8 | // | 
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|  | 9 | // Author           : Peter A. Buhr | 
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|  | 10 | // Created On       : Wed Aug  8 18:32:59 2018 | 
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|  | 11 | // Last Modified By : Peter A. Buhr | 
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| [8789ae4] | 12 | // Last Modified On : Fri Aug  2 08:42:55 2024 | 
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|  | 13 | // Update Count     : 185 | 
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| [b6ad601] | 14 | // | 
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|  | 15 |  | 
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|  | 16 | #include <fstream.hfa> | 
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|  | 17 |  | 
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| [091ccdb] | 18 | void fred() { | 
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|  | 19 | // Test all possible loop syntax. | 
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|  | 20 |  | 
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| [c48b61c] | 21 | int s = 0, c = 10, i = 2; | 
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|  | 22 |  | 
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|  | 23 | for ( c ) { sout | "A"; }                                               sout | nl; | 
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|  | 24 | for ( ~= c ) { sout | "B"; }                                    sout | nl; | 
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|  | 25 | for ( -~ c ) { sout | "C"; }                                    sout | nl; | 
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|  | 26 | for ( -~= c ) { sout | "D"; }                                   sout | nl; | 
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|  | 27 |  | 
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|  | 28 | for ( s ~ c ) { sout | "A"; }                                   sout | nl; | 
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|  | 29 | for ( s ~= c ) { sout | "B"; }                                  sout | nl; | 
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|  | 30 | for ( s -~ c ) { sout | "C"; }                                  sout | nl; | 
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|  | 31 | for ( s -~= c ) { sout | "D"; }                                 sout | nl; | 
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|  | 32 |  | 
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|  | 33 | for ( s ~ c ~ i ) { sout | "A"; }                               sout | nl; | 
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|  | 34 | for ( s ~= c ~ i ) { sout | "B"; }                              sout | nl; | 
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|  | 35 | for ( s -~ c ~ i ) { sout | "C"; }                              sout | nl; | 
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|  | 36 | for ( s -~= c ~ i ) { sout | "D"; }                             sout | nl; | 
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|  | 37 |  | 
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|  | 38 | for ( j; c ) { sout | j; }                                                      sout | nl; | 
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|  | 39 | for ( j; ~= c ) { sout | j; }                                   sout | nl; | 
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|  | 40 | for ( j; -~ c ) { sout | j; }                                   sout | nl; | 
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|  | 41 | for ( j; -~= c ) { sout | j; }                                  sout | nl; | 
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|  | 42 |  | 
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|  | 43 | for ( j; s ~ c ) { sout | j; }                                  sout | nl; | 
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|  | 44 | for ( j; s ~= c ) { sout | j; }                                 sout | nl; | 
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|  | 45 | for ( j; s -~ c ) { sout | j; }                                 sout | nl; | 
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|  | 46 | for ( j; s -~= c ) { sout | j; }                                sout | nl; | 
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|  | 47 |  | 
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|  | 48 | for ( j; s ~ c ~ i ) { sout | j; }                              sout | nl; | 
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|  | 49 | for ( j; s ~= c ~ i ) { sout | j; }                             sout | nl; | 
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|  | 50 | for ( j; s -~ c ~ i ) { sout | j; }                             sout | nl; | 
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|  | 51 | for ( j; s -~= c ~ i ) { sout | j; }                    sout | nl; | 
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| [091ccdb] | 52 |  | 
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|  | 53 | // CANNOT DIRECTLY INITIALIZE INDEX VARIABLE, ONLY SINGLE LOOP INDEX VARIABLE IN DECLARATION | 
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|  | 54 |  | 
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| [c48b61c] | 55 | for ( j; c ) { sout | j; }                                              sout | nl; | 
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|  | 56 | for ( int j; c ) { sout | j; }                                  sout | nl; | 
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|  | 57 | for ( int j; ~= c ) { sout | j; }                               sout | nl; | 
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|  | 58 | for ( int j; -~ c ) { sout | j; }                               sout | nl; | 
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|  | 59 | for ( int j; -~= c ) { sout | j; }                              sout | nl; | 
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|  | 60 |  | 
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|  | 61 | for ( int j; s ~ c ) { sout | j; }                              sout | nl; | 
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|  | 62 | for ( int j; s ~= c ) { sout | j; }                             sout | nl; | 
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|  | 63 | for ( int j; s -~ c ) { sout | j; }                             sout | nl; | 
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|  | 64 | for ( int j; s -~= c ) { sout | j; }                    sout | nl; | 
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|  | 65 |  | 
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|  | 66 | for ( int j; s ~ c ~ i ) { sout | j; }                  sout | nl; | 
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|  | 67 | for ( int j; s ~= c ~ i ) { sout | j; }                 sout | nl; | 
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|  | 68 | for ( int j; s -~ c ~ i ) { sout | j; }                 sout | nl; | 
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|  | 69 | for ( int j; s -~= c ~ i ) { sout | j; }                sout | nl; | 
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|  | 70 |  | 
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|  | 71 | for ( j; s ~ @ ) { if ( j == 10 ) break; sout | j; }                            sout | nl; | 
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| [283876d] | 72 | for ( j; @ -~ s ) { if ( j == -10 ) break; sout | j; }                          sout | nl; | 
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| [c48b61c] | 73 | for ( j; s ~ @ ~ i ) { if ( j == 10 ) break; sout | j; }                        sout | nl; | 
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| [283876d] | 74 | for ( j; @ -~ s ~ i ) { if ( j == -10 ) break; sout | j; }                      sout | nl; | 
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| [c48b61c] | 75 | for ( j; s ~ @ ~ @ ) { if ( j == 10 ) break; sout | j; j += 1; }        sout | nl; | 
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|  | 76 |  | 
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|  | 77 | for ( int j; s ~ @ ) { if ( j == 10 ) break; sout | j; j += 1; }        sout | nl; | 
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| [283876d] | 78 | for ( int j; @ -~ s ) { if ( j == -10 ) break; sout | j; j -= 1; }      sout | nl; | 
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| [c48b61c] | 79 | for ( int j; s ~ @ ~ i ) { if ( j == 10 ) break; sout | j; }            sout | nl; | 
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| [283876d] | 80 | for ( int j; @ -~ s ~ i ) { if ( j == -10 ) break; sout | j; }          sout | nl; | 
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| [c48b61c] | 81 | for ( int j; s ~ @ ~ @ ) { if ( j == 10 ) break; sout | j; j += 1; } sout | nl; | 
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| [091ccdb] | 82 |  | 
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| [8789ae4] | 83 | enum(int) E { A, B, C, D }; | 
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| [5f210c0] | 84 | for ( E e; A ~= C ) { sout | e; } sout | nl; | 
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|  | 85 | for ( e; A ~= D ) { sout | e; } sout | nl; | 
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|  | 86 | for ( e; A -~= D ~ 2 ) { sout | e; } sout | nl; | 
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| [8789ae4] | 87 | for ( e; E ) { sout | e; } sout | nl; | 
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|  | 88 | for ( e; -~= E ) { sout | e; } sout | nl; | 
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| [091ccdb] | 89 | } | 
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|  | 90 |  | 
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| [b6ad601] | 91 | struct S { int i, j; }; | 
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|  | 92 | void ?{}( S & s ) { s.[i, j] = 0; } | 
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|  | 93 | void ?{}( S & s, int i ) { s.[i, j] = [i, 0]; } | 
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|  | 94 | void ?{}( S & s, int i, int j ) { s.[i, j] = [i, j]; } | 
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|  | 95 | void ?{}( S & s, zero_t ) { s.[i, j] = 0; } | 
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|  | 96 | void ?{}( S & s, one_t ) { s.[i, j] = 1; } | 
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| [8789ae4] | 97 | int ?<?( S s1, S s2 ) { return s1.i < s2.i || s1.j < s2.j; } | 
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|  | 98 | int ?<=?( S s1, S s2 ) { return s1.i <= s2.i || s1.j <= s2.j; } | 
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|  | 99 | int ?>?( S s1, S s2 ) { return s1.i > s2.i || s1.j > s2.j; } | 
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|  | 100 | int ?>=?( S s1, S s2 ) { return s1.i >= s2.i || s1.j >= s2.j; } | 
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|  | 101 | S ?+=?( S & s1, S s2 ) { s1.i += s2.i; s1.j += s2.j; return s1; } | 
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|  | 102 | S ?+=?( S & s, one_t ) { s.i += 1; s.j += 1; return s; } | 
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|  | 103 | S ?-=?( S & s1, S s2 ) { s1.i -= s2.i; s1.j -= s2.j; return s1; } | 
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|  | 104 | S ?-=?( S & s, one_t ) { s.i -= 1; s.j -= 1; return s; } | 
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|  | 105 | ofstream & ?|?( ofstream & os, S s ) { return os | '(' | s.i | s.j | ')'; } | 
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|  | 106 | void & ?|?( ofstream & os, S s ) { (ofstream &)(os | s); ends( os ); } | 
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| [b6ad601] | 107 |  | 
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|  | 108 | int main() { | 
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| [091ccdb] | 109 | // Test some loop options. | 
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|  | 110 |  | 
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| [200fcb3] | 111 | sout | nlOff;                                                                           // turn off auto newline | 
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|  | 112 | while () { sout | "empty"; break; }                                     sout | nl; | 
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|  | 113 | do { sout | "empty"; break; } while ();                         sout | nl; | 
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| [5ea5b28] | 114 | for () { sout | "empty"; break; }                                       sout | nl | nl; | 
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| [b6ad601] | 115 |  | 
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| [200fcb3] | 116 | for ( 0 ) { sout | "A"; }                                                       sout | "zero" | nl; | 
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|  | 117 | for ( 1 ) { sout | "A"; }                                                       sout | nl; | 
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|  | 118 | for ( 10 ) { sout | "A"; }                                                      sout | nl; | 
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| [5c98a25] | 119 | for ( ~= 10 ) { sout | "A"; }                                           sout | nl; | 
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| [200fcb3] | 120 | for ( 1 ~= 10 ~ 2 ) { sout | "B"; }                                     sout | nl; | 
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| [c48b61c] | 121 | for ( 1 -~= 10 ~ 2 ) { sout | "C"; }                            sout | nl; | 
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| [200fcb3] | 122 | for ( 0.5 ~ 5.5 ) { sout | "D"; }                                       sout | nl; | 
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| [c48b61c] | 123 | for ( 0.5 -~ 5.5 ) { sout | "E"; }                                      sout | nl | nl; | 
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| [b6ad601] | 124 |  | 
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| [200fcb3] | 125 | for ( i; 10 ) { sout | i; }                                                     sout | nl; | 
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| [5c98a25] | 126 | for ( i; ~= 10 ) { sout | i; }                                          sout | nl; | 
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| [200fcb3] | 127 | for ( i; 1 ~= 10 ~ 2 ) { sout | i; }                            sout | nl; | 
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| [c48b61c] | 128 | for ( i; 1 -~= 10 ~ 2 ) { sout | i; }                           sout | nl; | 
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| [200fcb3] | 129 | for ( i; 0.5 ~ 5.5 ) { sout | i; }                                      sout | nl; | 
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| [c48b61c] | 130 | for ( i; 0.5 -~ 5.5 ) { sout | i; }                                     sout | nl; | 
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| [200fcb3] | 131 | for ( ui; 2u ~= 10u ~ 2u ) { sout | ui; }                       sout | nl; | 
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| [c48b61c] | 132 | for ( ui; 2u -~= 10u ~ 2u ) { sout | ui; }                      sout | nl | nl; | 
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| [b6ad601] | 133 |  | 
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| [67d4e37] | 134 | // @ means do nothing | 
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|  | 135 | for ( i; 1 ~ @ ) { | 
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|  | 136 | if ( i > 10 ) break; | 
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|  | 137 | sout | i; | 
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|  | 138 | }                                                                                                       sout | nl; | 
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| [283876d] | 139 | for ( i; @ -~ 10 ) { | 
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| [67d4e37] | 140 | if ( i < 0 ) break; | 
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|  | 141 | sout | i; | 
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|  | 142 | }                                                                                                       sout | nl; | 
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| [1b54b54] | 143 | for ( i; 2 ~ @ ~ 2 ) { | 
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|  | 144 | if ( i > 10 ) break; | 
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|  | 145 | sout | i; | 
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|  | 146 | }                                                                                                       sout | nl; | 
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|  | 147 | for ( i; 2.1 ~ @ ~ @ ) { | 
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|  | 148 | if ( i > 10.5 ) break; | 
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|  | 149 | sout | i; | 
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|  | 150 | i += 1.7; | 
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|  | 151 | }                                                                                                       sout | nl; | 
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| [283876d] | 152 | for ( i; @ -~ 10 ~ 2 ) { | 
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| [1b54b54] | 153 | if ( i < 0 ) break; | 
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|  | 154 | sout | i; | 
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|  | 155 | }                                                                                                       sout | nl; | 
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|  | 156 | for ( i; 12.1 ~ @ ~ @ ) { | 
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|  | 157 | if ( i < 2.5 ) break; | 
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|  | 158 | sout | i; | 
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|  | 159 | i -= 1.7; | 
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|  | 160 | }                                                                                                       sout | nl | nl; | 
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|  | 161 |  | 
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| [61dafb8] | 162 | enum { N = 10 }; | 
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| [200fcb3] | 163 | for ( N ) { sout | "N"; }                                                       sout | nl; | 
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|  | 164 | for ( i; N ) { sout | i; }                                                      sout | nl; | 
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| [283876d] | 165 | for ( i; ~= N ) { sout | i; }                                           sout | nl; | 
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| [c48b61c] | 166 | for ( i; -~= N ) { sout | i; }                                          sout | nl | nl; | 
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| [61dafb8] | 167 |  | 
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| [dc8511c] | 168 | const int start = 3, comp = 10, inc = 2; | 
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| [200fcb3] | 169 | for ( i; start ~ comp ~ inc + 1 ) { sout | i; }         sout | nl | nl; | 
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| [b6ad601] | 170 |  | 
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| [67d4e37] | 171 | for ( i; 10 : j; -5 ~ @ ) { sout | i | j; } sout | nl; | 
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| [283876d] | 172 | for ( i; 10 : j; @ -~ -5 ) { sout | i | j; } sout | nl; | 
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| [67d4e37] | 173 | for ( i; 10 : j; -5 ~ @ ~ 2 ) { sout | i | j; } sout | nl; | 
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| [283876d] | 174 | for ( i; 10 : j; @ -~ -5 ~ 2 ) { sout | i | j; } sout | nl | nl; | 
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| [67d4e37] | 175 |  | 
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|  | 176 | for ( j; -5 ~ @ : i; 10 ) { sout | i | j; } sout | nl; | 
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| [283876d] | 177 | for ( j; @ -~ -5 : i; 10 ) { sout | i | j; } sout | nl; | 
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| [67d4e37] | 178 | for ( j; -5 ~ @ ~ 2 : i; 10 ) { sout | i | j; } sout | nl; | 
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| [283876d] | 179 | for ( j; @ -~ -5 ~ 2 : i; 10 ) { sout | i | j; } sout | nl | nl; | 
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| [67d4e37] | 180 |  | 
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| [283876d] | 181 | for ( j; @ -~ -5 ~ 2 : i; 10 : k; 1.5 ~ @ ) { sout | i | j | k; } sout | nl; | 
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|  | 182 | for ( j; @ -~ -5 ~ 2 : k; 1.5 ~ @ : i; 10 ) { sout | i | j | k; } sout | nl; | 
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|  | 183 | for ( k; 1.5 ~ @ : j; @ -~ -5 ~ 2 : i; 10 ) { sout | i | j | k; } sout | nl; | 
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| [c48b61c] | 184 |  | 
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| [8789ae4] | 185 | for ( S s = (S){0}; s < (S){10,10}; s += (S){1} ) { sout | s; } sout | nl; // 0 does not work | 
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| [ff36907] | 186 | for ( s; (S){10,10} ) { sout | s; } sout | nl; | 
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|  | 187 | sout | nl; | 
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|  | 188 | for ( s; (S){0} ~ (S){10,10} ) { sout | s; }             sout | nl; | 
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|  | 189 | for ( s; (S){0} ~ (S){10,10} ~ (S){1} ) { sout | s; } sout | nl; | 
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|  | 190 | for ( s; (S){0} ~= (S){10,10} ) { sout | s; }            sout | nl; | 
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|  | 191 | for ( s; (S){0} ~= (S){10,10} ~ (S){1} ) { sout | s; } sout | nl; | 
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|  | 192 | sout | nl; | 
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|  | 193 | for ( s; (S){0} -~  (S){10,10} ) { sout | s; }           sout | nl; | 
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|  | 194 | for ( s; (S){0} -~  (S){10,10} ~ (S){1} ) { sout | s; } sout | nl; | 
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|  | 195 | for ( s; (S){0} -~= (S){10,10} ) { sout | s; }           sout | nl; | 
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|  | 196 | for ( s; (S){0} -~= (S){10,10} ~ (S){1} ) { sout | s; } sout | nl | nl; | 
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|  | 197 |  | 
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| [8789ae4] | 198 | int i = 10; | 
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|  | 199 | double d = 10.; | 
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|  | 200 | char c = 'e'; | 
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|  | 201 | S s = { 7 }; | 
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|  | 202 |  | 
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|  | 203 | for ( anon; 3 ~ i ) sout | anon;                                        sout | nl; | 
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|  | 204 | for ( anon; 3 ~ i ) sout | anon;                                        sout | nl; | 
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|  | 205 | for ( anon; 3 -~ i ) sout | anon;                                       sout | nl; | 
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|  | 206 | for ( anon; 3.5 ~ d ) sout | anon;                                      sout | nl; | 
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|  | 207 | for ( anon; 'a' ~= c ) sout | anon;                                     sout | nl; | 
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|  | 208 | for ( anon; 'a' -~= c ) sout | anon;                            sout | nl; | 
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|  | 209 | for ( anon; (S){0} ~ s ) sout | anon;                           sout | nl; // 0 does not work | 
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|  | 210 | for ( anon; (S){1} ~ s ) sout | anon;                           sout | nl; // 1 does not work | 
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|  | 211 | for ( anon; (S){3} ~ s ) sout | anon;                           sout | nl; | 
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|  | 212 | for ( anon; (S){3} -~ s ) sout | anon;                          sout | nl | nl; | 
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|  | 213 |  | 
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| [c48b61c] | 214 | fred(); | 
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| [b6ad601] | 215 | } | 
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|  | 216 |  | 
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|  | 217 | // Local Variables: // | 
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|  | 218 | // tab-width: 4 // | 
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| [dc8511c] | 219 | // compile-command: "cfa loopctrl.cfa" // | 
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| [b6ad601] | 220 | // End: // | 
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