| 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 : Tue Apr 13 21:04:48 2021
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| 13 | // Update Count     : 123
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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( 1.0DL+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( 1.5DL+1.5LI, 1.5DL+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( 1.0DL+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( 1.0DL+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( 1.0DL+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( 1.0DL+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( 1.0DL+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( 1.0DL+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( 1.0DL+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( 1.0DL+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( 1.0DL+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( 1.0DL+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( 1.0DL+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( 1.0DL+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( 1.0DL+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( 1.0DL+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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