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.c -- |
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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 : Sun Apr 24 13:24:20 2016 |
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13 | // Update Count : 70 |
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14 | // |
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15 | |
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16 | #include <fstream> |
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17 | #include <math> |
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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 | "fabs:" | fabs( -1.0F ) | fabs( -1.0D ) | fabs( -1.0L ) | cabs( -1.0F+1.0FI ) | cabs( -1.0D+1.0DI ) | cabs( -1.0DL+1.0LI ) | endl; |
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25 | sout | "fmod:" | 5.0F % -2.0F | fmod( 5.0F, -2.0F ) | 5.0D % -2.0D | fmod( 5.0D, -2.0D ) | 5.0L % -2.0L | fmod( 5.0L, -2.0L ) | endl; |
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26 | sout | "remainder:" | remainder( 2.0F, 3.0F ) | remainder( 2.0D, 3.0D ) | remainder( 2.0L, 3.0L ) | endl; |
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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; |
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30 | d = remquo( 3.6D, 0.5F, " ); |
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31 | sout | quot | d; |
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32 | l = remquo( 3.6L, 0.5L, " ); |
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33 | sout | quot | l | endl; |
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34 | f = div( 3.6F, 0.5F, " ); |
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35 | sout | "div:" | quot | f; |
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36 | d = div( 3.6D, 0.5F, " ); |
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37 | sout | quot | d; |
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38 | l = div( 3.6L, 0.5L, " ); |
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39 | sout | quot | l | endl; |
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40 | sout | "fma:" | fma( 3.0F, -1.0F, 1.0F ) | fma( 3.0D, -1.0D, 1.0D ) | fma( 3.0L, -1.0L, , 1.0L ) | endl; |
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41 | sout | "fdim:" | fdim( 1.0F, -1.0F ) | fdim( 1.0D, -1.0D ) | fdim( 1.0L, -1.0L ) | endl; |
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42 | sout | "nan:" | (float)nan( "" ) | (double)nan( "" ) | (long double)nan( "" ) | endl; |
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43 | |
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44 | //---------------------- Exponential ---------------------- |
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45 | |
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46 | sout | "exp:" | exp( 1.0F ) | exp( 1.0D ) | exp( 1.0L ) | exp( 1.0F+1.0FI ) | exp( 1.0D+1.0DI ) | exp( 1.0DL+1.0LI ) | endl; |
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47 | sout | "exp2:" | exp2( 1.0F ) | exp2( 1.0D ) | exp2( 1.0L ) | endl; |
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48 | sout | "expm1:" | expm1( 1.0F ) | expm1( 1.0D ) | expm1( 1.0L ) | endl; |
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49 | sout | "log:" | log( 1.0F ) | log( 1.0D ) | log( 1.0L ) | log( 1.0F+1.0FI ) | log( 1.0D+1.0DI ) | log( 1.0DL+1.0LI ) | endl; |
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50 | sout | "log2:" | log2( 8.0F ) | log2( 8.0D ) | log2( 8.0L ) | endl; |
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51 | sout | "log10:" | log10( 100.0F ) | log10( 100.0D ) | log10( 100.0L ) | endl; |
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52 | sout | "log1p:" | log1p( 1.0F ) | log1p( 1.0D ) | log1p( 1.0L ) | endl; |
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53 | sout | "ilogb:" | ilogb( 1.0F ) | ilogb( 1.0D ) | ilogb( 1.0L ) | endl; |
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54 | sout | "logb:" | logb( 8.0F ) | logb( 8.0D ) | logb( 8.0L ) | endl; |
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55 | |
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56 | //---------------------- Power ---------------------- |
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57 | |
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58 | sout | "sqrt:" | sqrt( 1.0F ) | sqrt( 1.0D ) | sqrt( 1.0L ) | sqrt( 1.0F+1.0FI ) | sqrt( 1.0D+1.0DI ) | sqrt( 1.0DL+1.0LI ) | endl; |
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59 | sout | "cbrt:" | cbrt( 27.0F ) | cbrt( 27.0D ) | cbrt( 27.0L ) | endl; |
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60 | sout | "hypot:" | hypot( 1.0F, -1.0F ) | hypot( 1.0D, -1.0D ) | hypot( 1.0L, -1.0L ) | endl; |
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61 | sout | "pow:" | pow( 1.0F, 1.0F ) | pow( 1.0D, 1.0D ) | pow( 1.0L, 1.0L ) | pow( 1.0F+1.0FI, 1.0F+1.0FI ) | pow( 1.0D+1.0DI, 1.0D+1.0DI ) | pow( 1.0DL+1.0LI, 1.0DL+1.0LI ) | endl; |
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62 | |
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63 | //---------------------- Trigonometric ---------------------- |
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64 | |
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65 | sout | "sin:" | sin( 1.0F ) | sin( 1.0D ) | sin( 1.0L ) | sin( 1.0F+1.0FI ) | sin( 1.0D+1.0DI ) | sin( 1.0DL+1.0LI ) | endl; |
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66 | sout | "cos:" | cos( 1.0F ) | cos( 1.0D ) | cos( 1.0L ) | cos( 1.0F+1.0FI ) | cos( 1.0D+1.0DI ) | cos( 1.0DL+1.0LI ) | endl; |
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67 | sout | "tan:" | tan( 1.0F ) | tan( 1.0D ) | tan( 1.0L ) | tan( 1.0F+1.0FI ) | tan( 1.0D+1.0DI ) | tan( 1.0DL+1.0LI ) | endl; |
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68 | sout | "asin:" | asin( 1.0F ) | asin( 1.0D ) | asin( 1.0L ) | asin( 1.0F+1.0FI ) | asin( 1.0D+1.0DI ) | asin( 1.0DL+1.0LI ) | endl; |
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69 | sout | "acos:" | acos( 1.0F ) | acos( 1.0D ) | acos( 1.0L ) | acos( 1.0F+1.0FI ) | acos( 1.0D+1.0DI ) | acos( 1.0DL+1.0LI ) | endl; |
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70 | sout | "atan:" | atan( 1.0F ) | atan( 1.0D ) | atan( 1.0L ) | atan( 1.0F+1.0FI ) | atan( 1.0D+1.0DI ) | atan( 1.0DL+1.0LI ) | endl; |
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71 | sout | "atan2:" | atan2( 1.0F, 1.0F ) | atan2( 1.0D, 1.0D ) | atan2( 1.0L, 1.0L ); |
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72 | sout | "atan:" | atan( 1.0F, 1.0F ) | atan( 1.0D, 1.0D ) | atan( 1.0L, 1.0L ); |
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73 | |
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74 | //---------------------- Hyperbolic ---------------------- |
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75 | |
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76 | sout | "sinh:" | sinh( 1.0F ) | sinh( 1.0D ) | sinh( 1.0L ) | sinh( 1.0F+1.0FI ) | sinh( 1.0D+1.0DI ) | sinh( 1.0DL+1.0LI ) | endl; |
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77 | sout | "cosh:" | cosh( 1.0F ) | cosh( 1.0D ) | cosh( 1.0L ) | cosh( 1.0F+1.0FI ) | cosh( 1.0D+1.0DI ) | cosh( 1.0DL+1.0LI ) | endl; |
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78 | sout | "tanh:" | tanh( 1.0F ) | tanh( 1.0D ) | tanh( 1.0L ) | tanh( 1.0F+1.0FI ) | tanh( 1.0D+1.0DI ) | tanh( 1.0DL+1.0LI ) | endl; |
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79 | sout | "acosh:" | acosh( 1.0F ) | acosh( 1.0D ) | acosh( 1.0L ) | acosh( 1.0F+1.0FI ) | acosh( 1.0D+1.0DI ) | acosh( 1.0DL+1.0LI ) | endl; |
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80 | sout | "asinh:" | asinh( 1.0F ) | asinh( 1.0D ) | asinh( 1.0L ) | asinh( 1.0F+1.0FI ) | asinh( 1.0D+1.0DI ) | asinh( 1.0DL+1.0LI ) | endl; |
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81 | sout | "atanh:" | atanh( 1.0F ) | atanh( 1.0D ) | atanh( 1.0L ) | atanh( 1.0F+1.0FI ) | atanh( 1.0D+1.0DI ) | atanh( 1.0DL+1.0LI ) | endl; |
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82 | |
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83 | //---------------------- Error / Gamma ---------------------- |
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84 | |
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85 | sout | "erf:" | erf( 1.0F ) | erf( 1.0D ) | erf( 1.0L ) | endl; |
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86 | sout | "erfc:" | erfc( 1.0F ) | erfc( 1.0D ) | erfc( 1.0L ) | endl; |
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87 | sout | "lgamma:" | lgamma( 4.0F ) | lgamma( 4.0D ) | lgamma( 4.0L ) | endl; |
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88 | int sign; |
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89 | f = lgamma( 4.0F, &sign ); |
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90 | sout | "lgamma:" | f | sign; |
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91 | d = lgamma( 4.0D, &sign ); |
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92 | sout | d | sign; |
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93 | l = lgamma( 4.0L, &sign ); |
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94 | sout | l | sign | endl; |
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95 | sout | "tgamma:" | tgamma( 4.0F ) | tgamma( 4.0D ) | tgamma( 4.0L ) | endl; |
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96 | |
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97 | //---------------------- Nearest Integer ---------------------- |
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98 | |
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99 | sout | "floor:" | floor( 1.2F ) | floor( 1.2D ) | floor( 1.2L ) | endl; |
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100 | sout | "ceil:" | ceil( 1.6F ) | ceil( 1.6D ) | ceil( 1.6L ) | endl; |
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101 | sout | "trunc:" | trunc( 3.5F ) | trunc( 3.5D ) | trunc( 3.5L ) | endl; |
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102 | sout | "rint:" | (float)rint( 1.5F ) | (double)rint( 1.5D ) | (long double)rint( 1.5L ) | endl; |
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103 | sout | "rint:" | (long int)rint( 1.5F ) | (long int)rint( 1.5D ) | (long int)rint( 1.5L ) | endl; |
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104 | sout | "rint:" | (long long int)rint( 1.5F ) | (long long int)rint( 1.5D ) | (long long int)rint( 1.5L ) | endl; |
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105 | sout | "lrint:" | lrint( 1.5F ) | lrint( 1.5D ) | lrint( 1.5L ) | endl; |
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106 | sout | "llrint:" | llrint( 1.5F ) | llrint( 1.5D ) | llrint( 1.5L ) | endl; |
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107 | sout | "nearbyint:" | nearbyint( 3.5F ) | nearbyint( 3.5D ) | nearbyint( 3.5L ) | endl; |
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108 | sout | "round:" | (float)round( 1.5F ) | (double)round( 1.5D ) | (long double)round( 1.5L ) | endl; |
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109 | sout | "round:" | (long int)round( 1.5F ) | (long int)round( 1.5D ) | (long int)round( 1.5L ) | endl; |
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110 | sout | "round:" | (long long int)round( 1.5F ) | (long long int)round( 1.5D ) | (long long int)round( 1.5L ) | endl; |
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111 | sout | "lround:" | lround( 1.5F ) | lround( 1.5D ) | lround( 1.5L ) | endl; |
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112 | sout | "llround:" | llround( 1.5F ) | llround( 1.5D ) | llround( 1.5L ) | endl; |
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113 | |
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114 | //---------------------- Manipulation ---------------------- |
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115 | |
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116 | sout | "copysign:" | copysign( 1.0F, -1.0F ) | copysign( 1.0D, -1.0D ) | copysign( 1.0L, -1.0L ) | endl; |
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117 | int exp; |
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118 | f = frexp( 4.0F, &exp ); |
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119 | sout | "frexp:" | f | exp; |
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120 | d = frexp( 4.0D, &exp ); |
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121 | sout | d | exp; |
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122 | l = frexp( 4.0L, &exp ); |
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123 | sout | l | exp | endl; |
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124 | sout | "ldexp:" | ldexp( 2.0F, 2 ) | ldexp( 2.0D, 2 ) | ldexp( 2.0L, 2 ) | endl; |
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125 | float fi; |
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126 | double di; |
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127 | long double ldi; |
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128 | f = modf( 2.3F, &fi ); |
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129 | sout | "modf:" | fi | f; |
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130 | d = modf( 2.3D, &di ); |
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131 | sout | di | d; |
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132 | l = modf( 2.3L, &ldi ); |
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133 | sout | ldi | l; |
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134 | sout | "nextafter:" | nextafter( 2.0F, 3.0F ) | nextafter( 2.0D, 3.0D ) | nextafter( 2.0L, 3.0L ) | endl; |
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135 | sout | "nexttoward:" | nexttoward( 2.0F, 3.0F ) | nexttoward( 2.0D, 3.0D ) | nexttoward( 2.0L, 3.0L ) | endl; |
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136 | |
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137 | sout | "scalbn:" | scalbn( 2.0F, 3 ) | scalbn( 2.0D, 3 ) | scalbn( 2.0L, 3 ) | endl; |
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138 | sout | "scalbln:" | scalbln( 2.0F, 3L ) | scalbln( 2.0D, 3L ) | scalbln( 2.0L, 3L ) | endl; |
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139 | } // main |
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140 | |
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141 | // Local Variables: // |
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142 | // tab-width: 4 // |
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143 | // compile-command: "cfa math.c" // |
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144 | // End: // |
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