| [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 | 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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| [6992f95] | 70 | sout | log( 1.0F+1.0FI ) | log( 1.0D+1.0DI ) | log( 1.0L+1.0LI ); | 
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| [474d610] | 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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| [a0ac7b0] | 74 | #if defined( __SIZEOF_INT128__ ) | 
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| [474d610] | 75 | sout | "log2:" | log2( 1024l128 ) | log2( 2l128 \ 17u ) | log2( 2l128 \ 23u ); | 
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| [a0ac7b0] | 76 | #endif // __SIZEOF_INT128__ | 
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| [1717b12] | 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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| [6992f95] | 84 | sout | sqrt( 1.0F+1.0FI ) | sqrt( 1.0D+1.0DI ) | sqrt( 1.0L+1.0LI ); | 
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| [1717b12] | 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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| [6992f95] | 91 | sout | sin( 1.0F+1.0FI ) | sin( 1.0D+1.0DI ) | sin( 1.0L+1.0LI ); | 
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| [1717b12] | 92 | sout | "cos:" | cos( 1.0F ) | cos( 1.0D ) | cos( 1.0L ) | nonl; | 
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| [6992f95] | 93 | sout | cos( 1.0F+1.0FI ) | cos( 1.0D+1.0DI ) | cos( 1.0L+1.0LI ); | 
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| [1717b12] | 94 | sout | "tan:" | tan( 1.0F ) | tan( 1.0D ) | tan( 1.0L ) | nonl; | 
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| [6992f95] | 95 | sout | tan( 1.0F+1.0FI ) | tan( 1.0D+1.0DI ) | tan( 1.0L+1.0LI ); | 
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| [1717b12] | 96 | sout | "asin:" | asin( 1.0F ) | asin( 1.0D ) | asin( 1.0L ) | nonl; | 
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| [6992f95] | 97 | sout | asin( 1.0F+1.0FI ) | asin( 1.0D+1.0DI ) | asin( 1.0L+1.0LI ); | 
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| [1717b12] | 98 | sout | "acos:" | acos( 1.0F ) | acos( 1.0D ) | acos( 1.0L ) | nonl; | 
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| [6992f95] | 99 | sout | acos( 1.0F+1.0FI ) | acos( 1.0D+1.0DI ) | acos( 1.0L+1.0LI ); | 
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| [1717b12] | 100 | sout | "atan:" | atan( 1.0F ) | atan( 1.0D ) | atan( 1.0L ) | nonl; | 
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| [6992f95] | 101 | sout | atan( 1.0F+1.0FI ) | atan( 1.0D+1.0DI ) | atan( 1.0L+1.0LI ); | 
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| [1717b12] | 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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| [6992f95] | 108 | sout | sinh( 1.0F+1.0FI ) | sinh( 1.0D+1.0DI ) | sinh( 1.0L+1.0LI ); | 
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| [1717b12] | 109 | sout | "cosh:" | cosh( 1.0F ) | cosh( 1.0D ) | cosh( 1.0L ) | nonl; | 
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| [6992f95] | 110 | sout | cosh( 1.0F+1.0FI ) | cosh( 1.0D+1.0DI ) | cosh( 1.0L+1.0LI ); | 
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| [1717b12] | 111 | sout | "tanh:" | tanh( 1.0F ) | tanh( 1.0D ) | tanh( 1.0L ) | nonl; | 
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| [6992f95] | 112 | sout | tanh( 1.0F+1.0FI ) | tanh( 1.0D+1.0DI ) | tanh( 1.0L+1.0LI ); | 
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| [1717b12] | 113 | sout | "acosh:" | acosh( 1.0F ) | acosh( 1.0D ) | acosh( 1.0L ) | nonl; | 
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| [6992f95] | 114 | sout | acosh( 1.0F+1.0FI ) | acosh( 1.0D+1.0DI ) | acosh( 1.0L+1.0LI ); | 
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| [1717b12] | 115 | sout | "asinh:" | asinh( 1.0F ) | asinh( 1.0D ) | asinh( 1.0L ) | nonl; | 
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| [6992f95] | 116 | sout | asinh( 1.0F+1.0FI ) | asinh( 1.0D+1.0DI ) | asinh( 1.0L+1.0LI ); | 
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| [1717b12] | 117 | sout | "atanh:" | atanh( 1.0F ) | atanh( 1.0D ) | atanh( 1.0L ) | nonl; | 
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| [6992f95] | 118 | sout | atanh( 1.0F+1.0FI ) | atanh( 1.0D+1.0DI ) | atanh( 1.0L+1.0LI ); | 
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| [1717b12] | 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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