[1717b12] | 1 | // |
---|
| 2 | // Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo |
---|
| 3 | // |
---|
| 4 | // The contents of this file are covered under the licence agreement in the |
---|
| 5 | // file "LICENCE" distributed with Cforall. |
---|
| 6 | // |
---|
| 7 | // math.cfa -- |
---|
| 8 | // |
---|
| 9 | // Author : Peter A. Buhr |
---|
| 10 | // Created On : Fri Apr 22 14:59:21 2016 |
---|
| 11 | // Last Modified By : Peter A. Buhr |
---|
| 12 | // Last Modified On : Wed Feb 17 22:01:25 2021 |
---|
| 13 | // Update Count : 114 |
---|
| 14 | // |
---|
| 15 | |
---|
| 16 | #include <fstream.hfa> |
---|
| 17 | #include <math.hfa> |
---|
| 18 | |
---|
| 19 | int main( void ) { |
---|
| 20 | float f; |
---|
| 21 | double d; |
---|
| 22 | long double l; |
---|
| 23 | |
---|
| 24 | sout | "fmod:" | 5.0F % -2.0F | fmod( 5.0F, -2.0F ) | 5.0D % -2.0D | nonl; |
---|
| 25 | sout | fmod( 5.0D, -2.0D ) | 5.0L % -2.0L | fmod( 5.0L, -2.0L ); |
---|
| 26 | sout | "remainder:" | remainder( 2.0F, 3.0F ) | remainder( 2.0D, 3.0D ) | remainder( 2.0L, 3.0L ); |
---|
| 27 | int quot; |
---|
| 28 | f = remquo( 3.6F, 0.5F, " ); |
---|
| 29 | sout | "remquo:" | quot | f | nonl; |
---|
| 30 | d = remquo( 3.6D, 0.5F, " ); |
---|
| 31 | sout | quot | d | nonl; |
---|
| 32 | l = remquo( 3.6L, 0.5L, " ); |
---|
| 33 | sout | quot | l; |
---|
| 34 | sout | "div:" | div( 3.6F, 0.5F ) | div( 3.6D, 0.5D ) | div( 3.6L, 0.5L ); |
---|
| 35 | sout | "fma:" | fma( 3.0F, -1.0F, 1.0F ) | fma( 3.0D, -1.0D, 1.0D ) | fma( 3.0L, -1.0L, 1.0L ); |
---|
| 36 | sout | "fdim:" | fdim( 1.0F, -1.0F ) | fdim( 1.0D, -1.0D ) | fdim( 1.0L, -1.0L ); |
---|
| 37 | sout | "nan:" | (float)nan( "" ) | (double)nan( "" ) | (long double)nan( "" ); |
---|
| 38 | |
---|
| 39 | //---------------------- Exponential ---------------------- |
---|
| 40 | |
---|
| 41 | sout | "exp:" | exp( 1.0F ) | exp( 1.0D ) | exp( 1.0L ) | nonl; |
---|
| 42 | sout | exp( 1.0F+1.0FI ) | exp( 1.0D+1.0DI ) | exp( 1.0DL+1.0LI ); |
---|
| 43 | sout | "exp2:" | exp2( 1.0F ) | exp2( 1.0D ) | exp2( 1.0L ); |
---|
| 44 | sout | "expm1:" | expm1( 1.0F ) | expm1( 1.0D ) | expm1( 1.0L ); |
---|
| 45 | sout | "pow:" | pow( 1.0F, 1.0F ) | pow( 1.0D, 1.0D ) | pow( 1.0L, 1.0L ) | nonl; |
---|
| 46 | sout | pow( 1.0F+1.0FI, 1.0F+1.0FI ) | pow( 1.0D+1.0DI, 1.0D+1.0DI ) | pow( 1.5DL+1.5LI, 1.5DL+1.5LI ); |
---|
| 47 | |
---|
| 48 | int b = 4; |
---|
| 49 | unsigned int e = 2; |
---|
| 50 | b \= e; |
---|
| 51 | sout | b | "\\" | e | "= " | b \ e; |
---|
| 52 | sout | 'a' \ 3 | 2 \ 8 | 4 \ 3 | -4 \ 3 | 4 \ -3 | -4 \ -3; |
---|
| 53 | sout | 4.0 \ -3 | -4.0 \ -3 | 4.0 \ 2.1 | (1.0f+2.0fi) \ (3.0f+2.0fi); |
---|
| 54 | sout | 4 \ -3 | -4 \ -3 | 4.0 \ 2.1 | (1.0f+2.0fi) \ (3.0f+2.0fi); |
---|
| 55 | |
---|
| 56 | struct S { int i; }; |
---|
| 57 | double ?*?( double d, S s ) { return d * s.i; } |
---|
| 58 | double ?/?( double d, S s ) { return d / s.i; } |
---|
| 59 | S ?\?( S s, unsigned long y ) { return (S){ s.i \ y }; } |
---|
| 60 | ofstream & ?|?( ofstream & os, S s ) { return os | s.i; } |
---|
| 61 | void ?|?( ofstream & os, S s ) { (ofstream &)(os | s); ends( os ); } |
---|
| 62 | S s = { 4 }; |
---|
| 63 | S x = s \ 2; |
---|
| 64 | sout | x; |
---|
| 65 | sout | s.i | s \ 2u; |
---|
| 66 | |
---|
| 67 | //---------------------- Logarithm ---------------------- |
---|
| 68 | |
---|
| 69 | sout | "log:" | log( 1.0F ) | log( 1.0D ) | log( 1.0L ) | nonl; |
---|
| 70 | sout | log( 1.0F+1.0FI ) | log( 1.0D+1.0DI ) | log( 1.0DL+1.0LI ); |
---|
| 71 | sout | "log2:" | log2( 8.0F ) | log2( 8.0D ) | log2( 8.0L ); |
---|
| 72 | sout | "log10:" | log10( 100.0F ) | log10( 100.0D ) | log10( 100.0L ); |
---|
| 73 | sout | "log1p:" | log1p( 1.0F ) | log1p( 1.0D ) | log1p( 1.0L ); |
---|
| 74 | sout | "ilogb:" | ilogb( 1.0F ) | ilogb( 1.0D ) | ilogb( 1.0L ); |
---|
| 75 | sout | "logb:" | logb( 8.0F ) | logb( 8.0D ) | logb( 8.0L ); |
---|
| 76 | |
---|
| 77 | sout | "sqrt:" | sqrt( 1.0F ) | sqrt( 1.0D ) | sqrt( 1.0L ) | nonl; |
---|
| 78 | sout | sqrt( 1.0F+1.0FI ) | sqrt( 1.0D+1.0DI ) | sqrt( 1.0DL+1.0LI ); |
---|
| 79 | sout | "cbrt:" | cbrt( 27.0F ) | cbrt( 27.0D ) | cbrt( 27.0L ); |
---|
| 80 | sout | "hypot:" | hypot( 1.0F, -1.0F ) | hypot( 1.0D, -1.0D ) | hypot( 1.0L, -1.0L ); |
---|
| 81 | |
---|
| 82 | //---------------------- Trigonometric ---------------------- |
---|
| 83 | |
---|
| 84 | sout | "sin:" | sin( 1.0F ) | sin( 1.0D ) | sin( 1.0L ) | nonl; |
---|
| 85 | sout | sin( 1.0F+1.0FI ) | sin( 1.0D+1.0DI ) | sin( 1.0DL+1.0LI ); |
---|
| 86 | sout | "cos:" | cos( 1.0F ) | cos( 1.0D ) | cos( 1.0L ) | nonl; |
---|
| 87 | sout | cos( 1.0F+1.0FI ) | cos( 1.0D+1.0DI ) | cos( 1.0DL+1.0LI ); |
---|
| 88 | sout | "tan:" | tan( 1.0F ) | tan( 1.0D ) | tan( 1.0L ) | nonl; |
---|
| 89 | sout | tan( 1.0F+1.0FI ) | tan( 1.0D+1.0DI ) | tan( 1.0DL+1.0LI ); |
---|
| 90 | sout | "asin:" | asin( 1.0F ) | asin( 1.0D ) | asin( 1.0L ) | nonl; |
---|
| 91 | sout | asin( 1.0F+1.0FI ) | asin( 1.0D+1.0DI ) | asin( 1.0DL+1.0LI ); |
---|
| 92 | sout | "acos:" | acos( 1.0F ) | acos( 1.0D ) | acos( 1.0L ) | nonl; |
---|
| 93 | sout | acos( 1.0F+1.0FI ) | acos( 1.0D+1.0DI ) | acos( 1.0DL+1.0LI ); |
---|
| 94 | sout | "atan:" | atan( 1.0F ) | atan( 1.0D ) | atan( 1.0L ) | nonl; |
---|
| 95 | sout | atan( 1.0F+1.0FI ) | atan( 1.0D+1.0DI ) | atan( 1.0DL+1.0LI ); |
---|
| 96 | sout | "atan2:" | atan2( 1.0F, 1.0F ) | atan2( 1.0D, 1.0D ) | atan2( 1.0L, 1.0L ) | nonl; |
---|
| 97 | sout | "atan:" | atan( 1.0F, 1.0F ) | atan( 1.0D, 1.0D ) | atan( 1.0L, 1.0L ); |
---|
| 98 | |
---|
| 99 | //---------------------- Hyperbolic ---------------------- |
---|
| 100 | |
---|
| 101 | sout | "sinh:" | sinh( 1.0F ) | sinh( 1.0D ) | sinh( 1.0L ) | nonl; |
---|
| 102 | sout | sinh( 1.0F+1.0FI ) | sinh( 1.0D+1.0DI ) | sinh( 1.0DL+1.0LI ); |
---|
| 103 | sout | "cosh:" | cosh( 1.0F ) | cosh( 1.0D ) | cosh( 1.0L ) | nonl; |
---|
| 104 | sout | cosh( 1.0F+1.0FI ) | cosh( 1.0D+1.0DI ) | cosh( 1.0DL+1.0LI ); |
---|
| 105 | sout | "tanh:" | tanh( 1.0F ) | tanh( 1.0D ) | tanh( 1.0L ) | nonl; |
---|
| 106 | sout | tanh( 1.0F+1.0FI ) | tanh( 1.0D+1.0DI ) | tanh( 1.0DL+1.0LI ); |
---|
| 107 | sout | "acosh:" | acosh( 1.0F ) | acosh( 1.0D ) | acosh( 1.0L ) | nonl; |
---|
| 108 | sout | acosh( 1.0F+1.0FI ) | acosh( 1.0D+1.0DI ) | acosh( 1.0DL+1.0LI ); |
---|
| 109 | sout | "asinh:" | asinh( 1.0F ) | asinh( 1.0D ) | asinh( 1.0L ) | nonl; |
---|
| 110 | sout | asinh( 1.0F+1.0FI ) | asinh( 1.0D+1.0DI ) | asinh( 1.0DL+1.0LI ); |
---|
| 111 | sout | "atanh:" | atanh( 1.0F ) | atanh( 1.0D ) | atanh( 1.0L ) | nonl; |
---|
| 112 | sout | atanh( 1.0F+1.0FI ) | atanh( 1.0D+1.0DI ) | atanh( 1.0DL+1.0LI ); |
---|
| 113 | |
---|
| 114 | //---------------------- Error / Gamma ---------------------- |
---|
| 115 | |
---|
| 116 | sout | "erf:" | erf( 1.0F ) | erf( 1.0D ) | erf( 1.0L ); |
---|
| 117 | sout | "erfc:" | erfc( 1.0F ) | erfc( 1.0D ) | erfc( 1.0L ); |
---|
| 118 | sout | "lgamma:" | lgamma( 4.0F ) | lgamma( 4.0D ) | lgamma( 4.0L ); |
---|
| 119 | int sign; |
---|
| 120 | f = lgamma( 4.0F, &sign ); |
---|
| 121 | sout | "lgamma:" | f | sign | nonl; |
---|
| 122 | d = lgamma( 4.0D, &sign ); |
---|
| 123 | sout | d | sign | nonl; |
---|
| 124 | l = lgamma( 4.0L, &sign ); |
---|
| 125 | sout | l | sign; |
---|
| 126 | sout | "tgamma:" | tgamma( 4.0F ) | tgamma( 4.0D ) | tgamma( 4.0L ); |
---|
| 127 | |
---|
| 128 | //---------------------- Nearest Integer ---------------------- |
---|
| 129 | |
---|
| 130 | sout | "floor:" | floor( 1.2F ) | floor( 1.2D ) | floor( 1.2L ); |
---|
| 131 | sout | "ceil:" | ceil( 1.6F ) | ceil( 1.6D ) | ceil( 1.6L ); |
---|
| 132 | sout | "trunc:" | trunc( 3.5F ) | trunc( 3.5D ) | trunc( 3.5L ); |
---|
| 133 | sout | "rint:" | (float)rint( 1.5F ) | (double)rint( 1.5D ) | (long double)rint( 1.5L ); |
---|
| 134 | sout | "rint:" | (long int)rint( 1.5F ) | (long int)rint( 1.5D ) | (long int)rint( 1.5L ); |
---|
| 135 | sout | "rint:" | (long long int)rint( 1.5F ) | (long long int)rint( 1.5D ) | (long long int)rint( 1.5L ); |
---|
| 136 | sout | "lrint:" | lrint( 1.5F ) | lrint( 1.5D ) | lrint( 1.5L ); |
---|
| 137 | sout | "llrint:" | llrint( 1.5F ) | llrint( 1.5D ) | llrint( 1.5L ); |
---|
| 138 | sout | "nearbyint:" | nearbyint( 3.5F ) | nearbyint( 3.5D ) | nearbyint( 3.5L ); |
---|
| 139 | sout | "round:" | (float)round( 1.5F ) | (double)round( 1.5D ) | (long double)round( 1.5L ); |
---|
| 140 | sout | "round:" | (long int)round( 1.5F ) | (long int)round( 1.5D ) | (long int)round( 1.5L ); |
---|
| 141 | sout | "round:" | (long long int)round( 1.5F ) | (long long int)round( 1.5D ) | (long long int)round( 1.5L ); |
---|
| 142 | sout | "lround:" | lround( 1.5F ) | lround( 1.5D ) | lround( 1.5L ); |
---|
| 143 | sout | "llround:" | llround( 1.5F ) | llround( 1.5D ) | llround( 1.5L ); |
---|
| 144 | |
---|
| 145 | //---------------------- Manipulation ---------------------- |
---|
| 146 | |
---|
| 147 | sout | "copysign:" | copysign( 1.0F, -1.0F ) | copysign( 1.0D, -1.0D ) | copysign( 1.0L, -1.0L ); |
---|
| 148 | int exp; |
---|
| 149 | f = frexp( 4.0F, &exp ); |
---|
| 150 | sout | "frexp:" | f | exp | nonl; |
---|
| 151 | d = frexp( 4.0D, &exp ); |
---|
| 152 | sout | d | exp | nonl; |
---|
| 153 | l = frexp( 4.0L, &exp ); |
---|
| 154 | sout | l | exp; |
---|
| 155 | sout | "ldexp:" | ldexp( 2.0F, 2 ) | ldexp( 2.0D, 2 ) | ldexp( 2.0L, 2 ); |
---|
| 156 | float fi; |
---|
| 157 | double di; |
---|
| 158 | long double ldi; |
---|
| 159 | f = modf( 2.3F, &fi ); |
---|
| 160 | sout | "modf:" | fi | f | nonl; |
---|
| 161 | d = modf( 2.3D, &di ); |
---|
| 162 | sout | di | d | nonl; |
---|
| 163 | l = modf( 2.3L, &ldi ); |
---|
| 164 | sout | ldi | l; |
---|
| 165 | sout | "modf:" | modf( 2.3F ) | modf( 2.3D ) | modf( 2.3L ); |
---|
| 166 | sout | "nextafter:" | nextafter( 2.0F, 3.0F ) | nextafter( 2.0D, 3.0D ) | nextafter( 2.0L, 3.0L ); |
---|
| 167 | sout | "nexttoward:" | nexttoward( 2.0F, 3.0F ) | nexttoward( 2.0D, 3.0D ) | nexttoward( 2.0L, 3.0L ); |
---|
| 168 | |
---|
| 169 | sout | "scalbn:" | scalbn( 2.0F, 3 ) | scalbn( 2.0D, 3 ) | scalbn( 2.0L, 3 ); |
---|
| 170 | sout | "scalbln:" | scalbln( 2.0F, 3L ) | scalbln( 2.0D, 3L ) | scalbln( 2.0L, 3L ); |
---|
| 171 | } // main |
---|