1 | //
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2 | // Cforall Version 1.0.0 Copyright (C) 2016 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 | // math.cfa --
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8 | //
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9 | // Author : Peter A. Buhr
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10 | // Created On : Fri Apr 22 14:59:21 2016
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11 | // Last Modified By : Peter A. Buhr
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12 | // Last Modified On : Fri Jun 18 17:02:44 2021
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13 | // Update Count : 124
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14 | //
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15 |
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16 | #include <fstream.hfa>
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17 | #include <math.hfa>
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18 |
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19 | int main( void ) {
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20 | float f;
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21 | double d;
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22 | long double l;
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23 |
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24 | sout | "fmod:" | 5.0F % -2.0F | fmod( 5.0F, -2.0F ) | 5.0D % -2.0D | nonl;
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25 | sout | fmod( 5.0D, -2.0D ) | 5.0L % -2.0L | fmod( 5.0L, -2.0L );
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26 | sout | "remainder:" | remainder( 2.0F, 3.0F ) | remainder( 2.0D, 3.0D ) | remainder( 2.0L, 3.0L );
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27 | int quot;
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28 | f = remquo( 3.6F, 0.5F, " );
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29 | sout | "remquo:" | quot | f | nonl;
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30 | d = remquo( 3.6D, 0.5F, " );
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31 | sout | quot | d | nonl;
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32 | l = remquo( 3.6L, 0.5L, " );
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33 | sout | quot | l;
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34 | sout | "div:" | div( 3.6F, 0.5F ) | div( 3.6D, 0.5D ) | div( 3.6L, 0.5L );
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35 | sout | "fma:" | fma( 3.0F, -1.0F, 1.0F ) | fma( 3.0D, -1.0D, 1.0D ) | fma( 3.0L, -1.0L, 1.0L );
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36 | sout | "fdim:" | fdim( 1.0F, -1.0F ) | fdim( 1.0D, -1.0D ) | fdim( 1.0L, -1.0L );
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37 | sout | "nan:" | (float)nan( "" ) | (double)nan( "" ) | (long double)nan( "" );
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38 |
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39 | //---------------------- Exponential ----------------------
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40 |
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41 | sout | "exp:" | exp( 1.0F ) | exp( 1.0D ) | exp( 1.0L ) | nonl;
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42 | sout | exp( 1.0F+1.0FI ) | exp( 1.0D+1.0DI ) | exp( 1.0L+1.0LI );
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43 | sout | "exp2:" | exp2( 1.0F ) | exp2( 1.0D ) | exp2( 1.0L );
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44 | sout | "expm1:" | expm1( 1.0F ) | expm1( 1.0D ) | expm1( 1.0L );
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45 | sout | "pow:" | pow( 1.0F, 1.0F ) | pow( 1.0D, 1.0D ) | pow( 1.0L, 1.0L ) | nonl;
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46 | sout | pow( 1.0F+1.0FI, 1.0F+1.0FI ) | pow( 1.0D+1.0DI, 1.0D+1.0DI ) | pow( 1.5L+1.5LI, 1.5L+1.5LI );
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47 |
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48 | int b = 4;
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49 | unsigned int e = 2;
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50 | b \= e;
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51 | sout | b | "\\" | e | "= " | b \ e;
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52 | sout | 'a' \ 3 | 2 \ 8 | 4 \ 3 | -4 \ 3 | 4 \ -3 | -4 \ -3;
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53 | sout | 4.0 \ -3 | -4.0 \ -3 | 4.0 \ 2.1 | (1.0f+2.0fi) \ (3.0f+2.0fi);
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54 | sout | 4 \ -3 | -4 \ -3 | 4.0 \ 2.1 | (1.0f+2.0fi) \ (3.0f+2.0fi);
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55 |
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56 | struct S { int i; };
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57 | double ?*?( double d, S s ) { return d * s.i; }
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58 | double ?/?( double d, S s ) { return d / s.i; }
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59 | S ?\?( S s, unsigned long y ) { return (S){ s.i \ y }; }
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60 | ofstream & ?|?( ofstream & os, S s ) { return os | s.i; }
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61 | void ?|?( ofstream & os, S s ) { (ofstream &)(os | s); ends( os ); }
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62 | S s = { 4 };
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63 | S x = s \ 2;
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64 | sout | x;
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65 | sout | s.i | s \ 2u;
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66 |
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67 | //---------------------- Logarithm ----------------------
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68 |
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69 | sout | "log:" | log( 1.0F ) | log( 1.0D ) | log( 1.0L ) | nonl;
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70 | sout | log( 1.0F+1.0FI ) | log( 1.0D+1.0DI ) | log( 1.0L+1.0LI );
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71 | sout | "log2:" | log2( 1024 ) | log2( 2 \ 17u ) | log2( 2 \ 23u );
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72 | sout | "log2:" | log2( 1024l ) | log2( 2l \ 17u ) | log2( 2l \ 23u );
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73 | sout | "log2:" | log2( 1024ll ) | log2( 2ll \ 17u ) | log2( 2ll \ 23u );
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74 | #if defined( __SIZEOF_INT128__ )
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75 | sout | "log2:" | log2( 1024l128 ) | log2( 2l128 \ 17u ) | log2( 2l128 \ 23u );
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76 | #endif // __SIZEOF_INT128__
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77 | sout | "log2:" | log2( 8.0F ) | log2( 8.0D ) | log2( 8.0L );
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78 | sout | "log10:" | log10( 100.0F ) | log10( 100.0D ) | log10( 100.0L );
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79 | sout | "log1p:" | log1p( 1.0F ) | log1p( 1.0D ) | log1p( 1.0L );
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80 | sout | "ilogb:" | ilogb( 1.0F ) | ilogb( 1.0D ) | ilogb( 1.0L );
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81 | sout | "logb:" | logb( 8.0F ) | logb( 8.0D ) | logb( 8.0L );
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82 |
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83 | sout | "sqrt:" | sqrt( 1.0F ) | sqrt( 1.0D ) | sqrt( 1.0L ) | nonl;
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84 | sout | sqrt( 1.0F+1.0FI ) | sqrt( 1.0D+1.0DI ) | sqrt( 1.0L+1.0LI );
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85 | sout | "cbrt:" | cbrt( 27.0F ) | cbrt( 27.0D ) | cbrt( 27.0L );
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86 | sout | "hypot:" | hypot( 1.0F, -1.0F ) | hypot( 1.0D, -1.0D ) | hypot( 1.0L, -1.0L );
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87 |
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88 | //---------------------- Trigonometric ----------------------
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89 |
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90 | sout | "sin:" | sin( 1.0F ) | sin( 1.0D ) | sin( 1.0L ) | nonl;
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91 | sout | sin( 1.0F+1.0FI ) | sin( 1.0D+1.0DI ) | sin( 1.0L+1.0LI );
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92 | sout | "cos:" | cos( 1.0F ) | cos( 1.0D ) | cos( 1.0L ) | nonl;
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93 | sout | cos( 1.0F+1.0FI ) | cos( 1.0D+1.0DI ) | cos( 1.0L+1.0LI );
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94 | sout | "tan:" | tan( 1.0F ) | tan( 1.0D ) | tan( 1.0L ) | nonl;
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95 | sout | tan( 1.0F+1.0FI ) | tan( 1.0D+1.0DI ) | tan( 1.0L+1.0LI );
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96 | sout | "asin:" | asin( 1.0F ) | asin( 1.0D ) | asin( 1.0L ) | nonl;
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97 | sout | asin( 1.0F+1.0FI ) | asin( 1.0D+1.0DI ) | asin( 1.0L+1.0LI );
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98 | sout | "acos:" | acos( 1.0F ) | acos( 1.0D ) | acos( 1.0L ) | nonl;
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99 | sout | acos( 1.0F+1.0FI ) | acos( 1.0D+1.0DI ) | acos( 1.0L+1.0LI );
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100 | sout | "atan:" | atan( 1.0F ) | atan( 1.0D ) | atan( 1.0L ) | nonl;
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101 | sout | atan( 1.0F+1.0FI ) | atan( 1.0D+1.0DI ) | atan( 1.0L+1.0LI );
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102 | sout | "atan2:" | atan2( 1.0F, 1.0F ) | atan2( 1.0D, 1.0D ) | atan2( 1.0L, 1.0L ) | nonl;
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103 | sout | "atan:" | atan( 1.0F, 1.0F ) | atan( 1.0D, 1.0D ) | atan( 1.0L, 1.0L );
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104 |
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105 | //---------------------- Hyperbolic ----------------------
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106 |
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107 | sout | "sinh:" | sinh( 1.0F ) | sinh( 1.0D ) | sinh( 1.0L ) | nonl;
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108 | sout | sinh( 1.0F+1.0FI ) | sinh( 1.0D+1.0DI ) | sinh( 1.0L+1.0LI );
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109 | sout | "cosh:" | cosh( 1.0F ) | cosh( 1.0D ) | cosh( 1.0L ) | nonl;
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110 | sout | cosh( 1.0F+1.0FI ) | cosh( 1.0D+1.0DI ) | cosh( 1.0L+1.0LI );
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111 | sout | "tanh:" | tanh( 1.0F ) | tanh( 1.0D ) | tanh( 1.0L ) | nonl;
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112 | sout | tanh( 1.0F+1.0FI ) | tanh( 1.0D+1.0DI ) | tanh( 1.0L+1.0LI );
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113 | sout | "acosh:" | acosh( 1.0F ) | acosh( 1.0D ) | acosh( 1.0L ) | nonl;
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114 | sout | acosh( 1.0F+1.0FI ) | acosh( 1.0D+1.0DI ) | acosh( 1.0L+1.0LI );
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115 | sout | "asinh:" | asinh( 1.0F ) | asinh( 1.0D ) | asinh( 1.0L ) | nonl;
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116 | sout | asinh( 1.0F+1.0FI ) | asinh( 1.0D+1.0DI ) | asinh( 1.0L+1.0LI );
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117 | sout | "atanh:" | atanh( 1.0F ) | atanh( 1.0D ) | atanh( 1.0L ) | nonl;
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118 | sout | atanh( 1.0F+1.0FI ) | atanh( 1.0D+1.0DI ) | atanh( 1.0L+1.0LI );
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119 |
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120 | //---------------------- Error / Gamma ----------------------
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121 |
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122 | sout | "erf:" | erf( 1.0F ) | erf( 1.0D ) | erf( 1.0L );
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123 | sout | "erfc:" | erfc( 1.0F ) | erfc( 1.0D ) | erfc( 1.0L );
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124 | sout | "lgamma:" | lgamma( 4.0F ) | lgamma( 4.0D ) | lgamma( 4.0L );
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125 | int sign;
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126 | f = lgamma( 4.0F, &sign );
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127 | sout | "lgamma:" | f | sign | nonl;
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128 | d = lgamma( 4.0D, &sign );
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129 | sout | d | sign | nonl;
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130 | l = lgamma( 4.0L, &sign );
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131 | sout | l | sign;
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132 | sout | "tgamma:" | tgamma( 4.0F ) | tgamma( 4.0D ) | tgamma( 4.0L );
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133 |
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134 | //---------------------- Nearest Integer ----------------------
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135 |
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136 | sout | "floor:" | floor( 1.2F ) | floor( 1.2D ) | floor( 1.2L );
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137 | sout | "ceil:" | ceil( 1.6F ) | ceil( 1.6D ) | ceil( 1.6L );
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138 | sout | "trunc:" | trunc( 3.5F ) | trunc( 3.5D ) | trunc( 3.5L );
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139 | sout | "rint:" | (float)rint( 1.5F ) | (double)rint( 1.5D ) | (long double)rint( 1.5L );
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140 | sout | "rint:" | (long int)rint( 1.5F ) | (long int)rint( 1.5D ) | (long int)rint( 1.5L );
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141 | sout | "rint:" | (long long int)rint( 1.5F ) | (long long int)rint( 1.5D ) | (long long int)rint( 1.5L );
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142 | sout | "lrint:" | lrint( 1.5F ) | lrint( 1.5D ) | lrint( 1.5L );
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143 | sout | "llrint:" | llrint( 1.5F ) | llrint( 1.5D ) | llrint( 1.5L );
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144 | sout | "nearbyint:" | nearbyint( 3.5F ) | nearbyint( 3.5D ) | nearbyint( 3.5L );
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145 | sout | "round:" | (float)round( 1.5F ) | (double)round( 1.5D ) | (long double)round( 1.5L );
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146 | sout | "round:" | (long int)round( 1.5F ) | (long int)round( 1.5D ) | (long int)round( 1.5L );
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147 | sout | "round:" | (long long int)round( 1.5F ) | (long long int)round( 1.5D ) | (long long int)round( 1.5L );
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148 | sout | "lround:" | lround( 1.5F ) | lround( 1.5D ) | lround( 1.5L );
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149 | sout | "llround:" | llround( 1.5F ) | llround( 1.5D ) | llround( 1.5L );
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150 |
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151 | //---------------------- Manipulation ----------------------
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152 |
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153 | sout | "copysign:" | copysign( 1.0F, -1.0F ) | copysign( 1.0D, -1.0D ) | copysign( 1.0L, -1.0L );
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154 | int exp;
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155 | f = frexp( 4.0F, &exp );
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156 | sout | "frexp:" | f | exp | nonl;
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157 | d = frexp( 4.0D, &exp );
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158 | sout | d | exp | nonl;
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159 | l = frexp( 4.0L, &exp );
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160 | sout | l | exp;
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161 | sout | "ldexp:" | ldexp( 2.0F, 2 ) | ldexp( 2.0D, 2 ) | ldexp( 2.0L, 2 );
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162 | float fi;
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163 | double di;
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164 | long double ldi;
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165 | f = modf( 2.3F, &fi );
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166 | sout | "modf:" | fi | f | nonl;
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167 | d = modf( 2.3D, &di );
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168 | sout | di | d | nonl;
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169 | l = modf( 2.3L, &ldi );
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170 | sout | ldi | l;
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171 | sout | "modf:" | modf( 2.3F ) | modf( 2.3D ) | modf( 2.3L );
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172 | sout | "nextafter:" | nextafter( 2.0F, 3.0F ) | nextafter( 2.0D, 3.0D ) | nextafter( 2.0L, 3.0L );
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173 | sout | "nexttoward:" | nexttoward( 2.0F, 3.0F ) | nexttoward( 2.0D, 3.0D ) | nexttoward( 2.0L, 3.0L );
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174 |
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175 | sout | "scalbn:" | scalbn( 2.0F, 3 ) | scalbn( 2.0D, 3 ) | scalbn( 2.0L, 3 );
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176 | sout | "scalbln:" | scalbln( 2.0F, 3L ) | scalbln( 2.0D, 3L ) | scalbln( 2.0L, 3L );
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177 | } // main
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