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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7 | // loopctrl.cfa -- |
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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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12 | // Last Modified On : Thu Aug 11 23:04:35 2022 |
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13 | // Update Count : 160 |
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14 | // |
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15 | |
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16 | #include <fstream.hfa> |
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17 | |
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18 | void fred() { |
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19 | // Test all possible loop syntax. |
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20 | |
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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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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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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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72 | for ( j; @ -~ s ) { if ( j == -10 ) break; sout | j; } sout | nl; |
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73 | for ( j; s ~ @ ~ i ) { if ( j == 10 ) break; sout | j; } sout | nl; |
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74 | for ( j; @ -~ s ~ i ) { if ( j == -10 ) break; sout | j; } sout | nl; |
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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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78 | for ( int j; @ -~ s ) { if ( j == -10 ) break; sout | j; j -= 1; } sout | nl; |
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79 | for ( int j; s ~ @ ~ i ) { if ( j == 10 ) break; sout | j; } sout | nl; |
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80 | for ( int j; @ -~ s ~ i ) { if ( j == -10 ) break; sout | j; } sout | nl; |
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81 | for ( int j; s ~ @ ~ @ ) { if ( j == 10 ) break; sout | j; j += 1; } sout | nl; |
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82 | |
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83 | // enum E { A, B, C, D }; |
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84 | // for ( e; A ~= C ) { sout | j; } |
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85 | // for ( e; A ~= D ) { sout | j; } |
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86 | // for ( e; A -~= D ~ 2 ) { sout | j; } |
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87 | // for ( e; E ) { sout | j; } |
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88 | // for ( e; -~ E ) { sout | j; } |
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89 | } |
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90 | |
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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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97 | int ?<?( S t1, S t2 ) { return t1.i < t2.i && t1.j < t2.j; } |
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98 | int ?<=?( S t1, S t2 ) { return t1.i <= t2.i && t1.j <= t2.j; } |
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99 | int ?>?( S t1, S t2 ) { return t1.i > t2.i && t1.j > t2.j; } |
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100 | int ?>=?( S t1, S t2 ) { return t1.i >= t2.i && t1.j >= t2.j; } |
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101 | S ?=?( S & t1, S t2 ) { t1.i = t2.i; t1.j = t2.j; return t1; } |
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102 | S ?+=?( S & t1, S t2 ) { t1.i += t2.i; t1.j += t2.j; return t1; } |
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103 | S ?+=?( S & t, one_t ) { t.i += 1; t.j += 1; return t; } |
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104 | S ?-=?( S & t1, S t2 ) { t1.i -= t2.i; t1.j -= t2.j; return t1; } |
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105 | S ?-=?( S & t, one_t ) { t.i -= 1; t.j -= 1; return t; } |
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106 | ofstream & ?|?( ofstream & os, S v ) { return os | '(' | v.i | v.j | ')'; } |
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107 | void & ?|?( ofstream & os, S v ) { (ofstream &)(os | v); ends( os ); } |
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108 | |
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109 | int main() { |
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110 | // Test some loop options. |
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111 | |
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112 | sout | nlOff; // turn off auto newline |
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113 | while () { sout | "empty"; break; } sout | nl; |
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114 | do { sout | "empty"; break; } while (); sout | nl; |
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115 | for () { sout | "empty"; break; } sout | nl | nl; |
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116 | |
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117 | for ( 0 ) { sout | "A"; } sout | "zero" | nl; |
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118 | for ( 1 ) { sout | "A"; } sout | nl; |
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119 | for ( 10 ) { sout | "A"; } sout | nl; |
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120 | for ( ~= 10 ) { sout | "A"; } sout | nl; |
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121 | for ( 1 ~= 10 ~ 2 ) { sout | "B"; } sout | nl; |
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122 | for ( 1 -~= 10 ~ 2 ) { sout | "C"; } sout | nl; |
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123 | for ( 0.5 ~ 5.5 ) { sout | "D"; } sout | nl; |
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124 | for ( 0.5 -~ 5.5 ) { sout | "E"; } sout | nl | nl; |
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125 | |
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126 | for ( i; 10 ) { sout | i; } sout | nl; |
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127 | for ( i; ~= 10 ) { sout | i; } sout | nl; |
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128 | for ( i; 1 ~= 10 ~ 2 ) { sout | i; } sout | nl; |
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129 | for ( i; 1 -~= 10 ~ 2 ) { sout | i; } sout | nl; |
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130 | for ( i; 0.5 ~ 5.5 ) { sout | i; } sout | nl; |
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131 | for ( i; 0.5 -~ 5.5 ) { sout | i; } sout | nl; |
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132 | for ( ui; 2u ~= 10u ~ 2u ) { sout | ui; } sout | nl; |
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133 | for ( ui; 2u -~= 10u ~ 2u ) { sout | ui; } sout | nl | nl; |
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134 | |
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135 | // @ means do nothing |
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136 | for ( i; 1 ~ @ ) { |
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137 | if ( i > 10 ) break; |
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138 | sout | i; |
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139 | } sout | nl; |
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140 | for ( i; @ -~ 10 ) { |
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141 | if ( i < 0 ) break; |
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142 | sout | i; |
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143 | } sout | nl; |
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144 | for ( i; 2 ~ @ ~ 2 ) { |
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145 | if ( i > 10 ) break; |
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146 | sout | i; |
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147 | } sout | nl; |
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148 | for ( i; 2.1 ~ @ ~ @ ) { |
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149 | if ( i > 10.5 ) break; |
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150 | sout | i; |
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151 | i += 1.7; |
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152 | } sout | nl; |
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153 | for ( i; @ -~ 10 ~ 2 ) { |
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154 | if ( i < 0 ) break; |
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155 | sout | i; |
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156 | } sout | nl; |
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157 | for ( i; 12.1 ~ @ ~ @ ) { |
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158 | if ( i < 2.5 ) break; |
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159 | sout | i; |
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160 | i -= 1.7; |
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161 | } sout | nl | nl; |
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162 | |
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163 | enum { N = 10 }; |
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164 | for ( N ) { sout | "N"; } sout | nl; |
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165 | for ( i; N ) { sout | i; } sout | nl; |
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166 | for ( i; ~= N ) { sout | i; } sout | nl; |
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167 | for ( i; -~= N ) { sout | i; } sout | nl | nl; |
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168 | |
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169 | const int start = 3, comp = 10, inc = 2; |
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170 | for ( i; start ~ comp ~ inc + 1 ) { sout | i; } sout | nl | nl; |
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171 | |
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172 | for ( i; 10 : j; -5 ~ @ ) { sout | i | j; } sout | nl; |
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173 | for ( i; 10 : j; @ -~ -5 ) { sout | i | j; } sout | nl; |
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174 | for ( i; 10 : j; -5 ~ @ ~ 2 ) { sout | i | j; } sout | nl; |
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175 | for ( i; 10 : j; @ -~ -5 ~ 2 ) { sout | i | j; } sout | nl | nl; |
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176 | |
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177 | for ( j; -5 ~ @ : i; 10 ) { sout | i | j; } sout | nl; |
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178 | for ( j; @ -~ -5 : i; 10 ) { sout | i | j; } sout | nl; |
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179 | for ( j; -5 ~ @ ~ 2 : i; 10 ) { sout | i | j; } sout | nl; |
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180 | for ( j; @ -~ -5 ~ 2 : i; 10 ) { sout | i | j; } sout | nl | nl; |
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181 | |
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182 | for ( j; @ -~ -5 ~ 2 : i; 10 : k; 1.5 ~ @ ) { sout | i | j | k; } sout | nl; |
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183 | for ( j; @ -~ -5 ~ 2 : k; 1.5 ~ @ : i; 10 ) { sout | i | j | k; } sout | nl; |
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184 | for ( k; 1.5 ~ @ : j; @ -~ -5 ~ 2 : i; 10 ) { sout | i | j | k; } sout | nl; |
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185 | |
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186 | for ( S s = (S){0}; s < (S){10,10}; s += (S){1} ) { sout | s; } sout | nl; |
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187 | for ( s; (S){10,10} ) { sout | s; } sout | nl; |
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188 | sout | nl; |
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189 | for ( s; (S){0} ~ (S){10,10} ) { sout | s; } sout | nl; |
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190 | for ( s; (S){0} ~ (S){10,10} ~ (S){1} ) { sout | s; } sout | nl; |
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191 | for ( s; (S){0} ~= (S){10,10} ) { sout | s; } sout | nl; |
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192 | for ( s; (S){0} ~= (S){10,10} ~ (S){1} ) { sout | s; } sout | nl; |
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193 | sout | nl; |
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194 | for ( s; (S){0} -~ (S){10,10} ) { sout | s; } sout | nl; |
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195 | for ( s; (S){0} -~ (S){10,10} ~ (S){1} ) { sout | s; } sout | nl; |
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196 | for ( s; (S){0} -~= (S){10,10} ) { sout | s; } sout | nl; |
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197 | for ( s; (S){0} -~= (S){10,10} ~ (S){1} ) { sout | s; } sout | nl | nl; |
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198 | |
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199 | fred(); |
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200 | } |
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201 | |
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202 | // Local Variables: // |
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203 | // tab-width: 4 // |
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204 | // compile-command: "cfa loopctrl.cfa" // |
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205 | // End: // |
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