| [1717b12] | 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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| [6992f95] | 12 | // Last Modified On : Fri Jun 18 17:02:44 2021
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 | 13 | // Update Count     : 124
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| [1717b12] | 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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| [6992f95] | 42 |         sout | exp( 1.0F+1.0FI ) | exp( 1.0D+1.0DI ) | exp( 1.0L+1.0LI );
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| [1717b12] | 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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| [6992f95] | 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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| [1717b12] | 47 | 
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 | 48 |         int b = 4;
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 | 49 |         unsigned int e = 2;
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| [6cb7a92] | 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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| [1717b12] | 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 |         S ?\?( S s, unsigned long y ) { return (S){ s.i \ y }; }
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 | 58 |         ofstream & ?|?( ofstream & os, S s ) { return os | s.i; }
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 | 59 |         void ?|?( ofstream & os, S s ) { (ofstream &)(os | s); ends( os ); }
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 | 60 |         S s = { 4 };
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 | 61 |         S x = s \ 2;
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 | 62 |         sout | x;
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 | 63 |         sout | s.i | s \ 2u;
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 | 64 | 
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 | 65 |         //---------------------- Logarithm ----------------------
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 | 66 | 
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 | 67 |         sout | "log:" | log( 1.0F ) | log( 1.0D ) | log( 1.0L ) | nonl;
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| [6992f95] | 68 |         sout | log( 1.0F+1.0FI ) | log( 1.0D+1.0DI ) | log( 1.0L+1.0LI );
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| [474d610] | 69 |         sout | "log2:" | log2( 1024 ) | log2( 2 \ 17u ) | log2( 2 \ 23u );
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 | 70 |         sout | "log2:" | log2( 1024l ) | log2( 2l \ 17u ) | log2( 2l \ 23u );
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 | 71 |         sout | "log2:" | log2( 1024ll ) | log2( 2ll \ 17u ) | log2( 2ll \ 23u );
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| [a0ac7b0] | 72 | #if defined( __SIZEOF_INT128__ )
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| [474d610] | 73 |         sout | "log2:" | log2( 1024l128 ) | log2( 2l128 \ 17u ) | log2( 2l128 \ 23u );
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| [a0ac7b0] | 74 | #endif // __SIZEOF_INT128__
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| [1717b12] | 75 |         sout | "log2:" | log2( 8.0F ) | log2( 8.0D ) | log2( 8.0L );
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 | 76 |         sout | "log10:" | log10( 100.0F ) | log10( 100.0D ) | log10( 100.0L );
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 | 77 |         sout | "log1p:" | log1p( 1.0F ) | log1p( 1.0D ) | log1p( 1.0L );
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 | 78 |         sout | "ilogb:" | ilogb( 1.0F ) | ilogb( 1.0D ) | ilogb( 1.0L );
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 | 79 |         sout | "logb:" | logb( 8.0F ) | logb( 8.0D ) | logb( 8.0L );
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 | 80 | 
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 | 81 |         sout | "sqrt:" | sqrt( 1.0F ) | sqrt( 1.0D ) | sqrt( 1.0L ) | nonl;
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| [6992f95] | 82 |         sout | sqrt( 1.0F+1.0FI ) | sqrt( 1.0D+1.0DI ) | sqrt( 1.0L+1.0LI );
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| [1717b12] | 83 |         sout | "cbrt:" | cbrt( 27.0F ) | cbrt( 27.0D ) | cbrt( 27.0L );
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 | 84 |         sout | "hypot:" | hypot( 1.0F, -1.0F ) | hypot( 1.0D, -1.0D ) | hypot( 1.0L, -1.0L );
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 | 85 | 
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 | 86 |         //---------------------- Trigonometric ----------------------
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 | 87 | 
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 | 88 |         sout | "sin:" | sin( 1.0F ) | sin( 1.0D ) | sin( 1.0L ) | nonl;
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| [6992f95] | 89 |         sout | sin( 1.0F+1.0FI ) | sin( 1.0D+1.0DI ) | sin( 1.0L+1.0LI );
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| [1717b12] | 90 |         sout | "cos:" | cos( 1.0F ) | cos( 1.0D ) | cos( 1.0L ) | nonl;
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| [6992f95] | 91 |         sout | cos( 1.0F+1.0FI ) | cos( 1.0D+1.0DI ) | cos( 1.0L+1.0LI );
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| [1717b12] | 92 |         sout | "tan:" | tan( 1.0F ) | tan( 1.0D ) | tan( 1.0L ) | nonl;
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| [6992f95] | 93 |         sout | tan( 1.0F+1.0FI ) | tan( 1.0D+1.0DI ) | tan( 1.0L+1.0LI );
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| [1717b12] | 94 |         sout | "asin:" | asin( 1.0F ) | asin( 1.0D ) | asin( 1.0L ) | nonl;
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| [6992f95] | 95 |         sout | asin( 1.0F+1.0FI ) | asin( 1.0D+1.0DI ) | asin( 1.0L+1.0LI );
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| [1717b12] | 96 |         sout | "acos:" | acos( 1.0F ) | acos( 1.0D ) | acos( 1.0L ) | nonl;
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| [6992f95] | 97 |         sout | acos( 1.0F+1.0FI ) | acos( 1.0D+1.0DI ) | acos( 1.0L+1.0LI );
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| [1717b12] | 98 |         sout | "atan:" | atan( 1.0F ) | atan( 1.0D ) | atan( 1.0L ) | nonl;
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| [6992f95] | 99 |         sout | atan( 1.0F+1.0FI ) | atan( 1.0D+1.0DI ) | atan( 1.0L+1.0LI );
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| [1717b12] | 100 |         sout | "atan2:" | atan2( 1.0F, 1.0F ) | atan2( 1.0D, 1.0D ) | atan2( 1.0L, 1.0L ) | nonl;
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 | 101 |         sout | "atan:" | atan( 1.0F, 1.0F ) | atan( 1.0D, 1.0D ) | atan( 1.0L, 1.0L );
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 | 102 | 
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 | 103 |         //---------------------- Hyperbolic ----------------------
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 | 104 | 
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 | 105 |         sout | "sinh:" | sinh( 1.0F ) | sinh( 1.0D ) | sinh( 1.0L ) | nonl;
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| [6992f95] | 106 |         sout | sinh( 1.0F+1.0FI ) | sinh( 1.0D+1.0DI ) | sinh( 1.0L+1.0LI );
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| [1717b12] | 107 |         sout | "cosh:" | cosh( 1.0F ) | cosh( 1.0D ) | cosh( 1.0L ) | nonl;
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| [6992f95] | 108 |         sout | cosh( 1.0F+1.0FI ) | cosh( 1.0D+1.0DI ) | cosh( 1.0L+1.0LI );
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| [1717b12] | 109 |         sout | "tanh:" | tanh( 1.0F ) | tanh( 1.0D ) | tanh( 1.0L ) | nonl;
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| [6992f95] | 110 |         sout | tanh( 1.0F+1.0FI ) | tanh( 1.0D+1.0DI ) | tanh( 1.0L+1.0LI );
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| [1717b12] | 111 |         sout | "acosh:" | acosh( 1.0F ) | acosh( 1.0D ) | acosh( 1.0L ) | nonl;
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| [6992f95] | 112 |         sout | acosh( 1.0F+1.0FI ) | acosh( 1.0D+1.0DI ) | acosh( 1.0L+1.0LI );
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| [1717b12] | 113 |         sout | "asinh:" | asinh( 1.0F ) | asinh( 1.0D ) | asinh( 1.0L ) | nonl;
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| [6992f95] | 114 |         sout | asinh( 1.0F+1.0FI ) | asinh( 1.0D+1.0DI ) | asinh( 1.0L+1.0LI );
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| [1717b12] | 115 |         sout | "atanh:" | atanh( 1.0F ) | atanh( 1.0D ) | atanh( 1.0L ) | nonl;
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| [6992f95] | 116 |         sout | atanh( 1.0F+1.0FI ) | atanh( 1.0D+1.0DI ) | atanh( 1.0L+1.0LI );
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| [1717b12] | 117 | 
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 | 118 |         //---------------------- Error / Gamma ----------------------
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 | 119 | 
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 | 120 |         sout | "erf:" | erf( 1.0F ) | erf( 1.0D ) | erf( 1.0L );
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 | 121 |         sout | "erfc:" | erfc( 1.0F ) | erfc( 1.0D ) | erfc( 1.0L );
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 | 122 |         sout | "lgamma:" | lgamma( 4.0F ) | lgamma( 4.0D ) | lgamma( 4.0L );
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 | 123 |         int sign;
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 | 124 |         f = lgamma( 4.0F, &sign );
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 | 125 |         sout | "lgamma:" | f | sign | nonl;
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 | 126 |         d = lgamma( 4.0D, &sign );
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 | 127 |         sout | d | sign | nonl;
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 | 128 |         l = lgamma( 4.0L, &sign );
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 | 129 |         sout | l | sign;
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 | 130 |         sout | "tgamma:" | tgamma( 4.0F ) | tgamma( 4.0D ) | tgamma( 4.0L );
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 | 131 | 
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 | 132 |         //---------------------- Nearest Integer ----------------------
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 | 133 | 
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 | 134 |         sout | "floor:" | floor( 1.2F ) | floor( 1.2D ) | floor( 1.2L );
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 | 135 |         sout | "ceil:" | ceil( 1.6F ) | ceil( 1.6D ) | ceil( 1.6L );
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 | 136 |         sout | "trunc:" | trunc( 3.5F ) | trunc( 3.5D ) | trunc( 3.5L );
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 | 137 |         sout | "rint:" | (float)rint( 1.5F ) | (double)rint( 1.5D ) | (long double)rint( 1.5L );
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 | 138 |         sout | "rint:" | (long int)rint( 1.5F ) | (long int)rint( 1.5D ) | (long int)rint( 1.5L );
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 | 139 |         sout | "rint:" | (long long int)rint( 1.5F ) | (long long int)rint( 1.5D ) | (long long int)rint( 1.5L );
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 | 140 |         sout | "lrint:" | lrint( 1.5F ) | lrint( 1.5D ) | lrint( 1.5L );
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 | 141 |         sout | "llrint:" | llrint( 1.5F ) | llrint( 1.5D ) | llrint( 1.5L );
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 | 142 |         sout | "nearbyint:" | nearbyint( 3.5F ) | nearbyint( 3.5D ) | nearbyint( 3.5L );
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 | 143 |         sout | "round:" | (float)round( 1.5F ) | (double)round( 1.5D ) | (long double)round( 1.5L );
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 | 144 |         sout | "round:" | (long int)round( 1.5F ) | (long int)round( 1.5D ) | (long int)round( 1.5L );
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 | 145 |         sout | "round:" | (long long int)round( 1.5F ) | (long long int)round( 1.5D ) | (long long int)round( 1.5L );
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 | 146 |         sout | "lround:" | lround( 1.5F ) | lround( 1.5D ) | lround( 1.5L );
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 | 147 |         sout | "llround:" | llround( 1.5F ) | llround( 1.5D ) | llround( 1.5L );
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 | 148 | 
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 | 149 |         //---------------------- Manipulation ----------------------
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 | 150 | 
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 | 151 |         sout | "copysign:" | copysign( 1.0F, -1.0F ) | copysign( 1.0D, -1.0D ) | copysign( 1.0L, -1.0L );
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 | 152 |         int exp;
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 | 153 |         f = frexp( 4.0F, &exp );
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 | 154 |         sout | "frexp:" | f | exp | nonl;
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 | 155 |         d = frexp( 4.0D, &exp );
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 | 156 |         sout | d | exp | nonl;
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 | 157 |         l = frexp( 4.0L, &exp );
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 | 158 |         sout | l | exp;
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 | 159 |         sout | "ldexp:" | ldexp( 2.0F, 2 ) | ldexp( 2.0D, 2 ) | ldexp( 2.0L, 2 );
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 | 160 |         float fi;
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 | 161 |         double di;
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 | 162 |         long double ldi;
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 | 163 |         f = modf( 2.3F, &fi );
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 | 164 |         sout | "modf:" | fi | f | nonl;
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 | 165 |         d = modf( 2.3D, &di );
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 | 166 |         sout | di | d | nonl;
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 | 167 |         l = modf( 2.3L, &ldi );
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 | 168 |         sout | ldi | l;
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 | 169 |         sout | "modf:" | modf( 2.3F ) | modf( 2.3D ) | modf( 2.3L );
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 | 170 |         sout | "nextafter:" | nextafter( 2.0F, 3.0F ) | nextafter( 2.0D, 3.0D ) | nextafter( 2.0L, 3.0L );
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 | 171 |         sout | "nexttoward:" | nexttoward( 2.0F, 3.0F ) | nexttoward( 2.0D, 3.0D ) | nexttoward( 2.0L, 3.0L );
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 | 172 | 
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 | 173 |         sout | "scalbn:" | scalbn( 2.0F, 3 ) | scalbn( 2.0D, 3 ) | scalbn( 2.0L, 3 );
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 | 174 |         sout | "scalbln:" | scalbln( 2.0F, 3L ) | scalbln( 2.0D, 3L ) | scalbln( 2.0L, 3L );
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 | 175 | } // main
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