[dc5376a] | 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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