| 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 | // common --
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| 8 | //
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| 9 | // Author : Peter A. Buhr
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| 10 | // Created On : Wed Jul 11 17:54:36 2018
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| 11 | // Last Modified By : Peter A. Buhr
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| 12 | // Last Modified On : Sat Aug 15 08:51:29 2020
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| 13 | // Update Count : 14
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| 14 | //
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| 15 |
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| 16 | #pragma once
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| 17 |
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| 18 | //---------------------------------------
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| 19 |
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| 20 | [ int, int ] div( int num, int denom );
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| 21 | [ long int, long int ] div( long int num, long int denom );
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| 22 | [ long long int, long long int ] div( long long int num, long long int denom );
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| 23 | forall( otype T | { T ?/?( T, T ); T ?%?( T, T ); } )
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| 24 | [ T, T ] div( T num, T demon );
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| 25 |
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| 26 | //---------------------------------------
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| 27 |
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| 28 | extern "C" {
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| 29 | int abs( int ); // stdlib.h
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| 30 | long int labs( long int );
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| 31 | long long int llabs( long long int );
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| 32 | } // extern "C"
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| 33 |
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| 34 | static inline {
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| 35 | unsigned char abs( signed char v ) { return abs( (int)v ); }
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| 36 | // use default C routine for int
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| 37 | unsigned long int abs( long int v ) { return labs( v ); }
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| 38 | unsigned long long int abs( long long int v ) { return llabs( v ); }
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| 39 | } // distribution
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| 40 |
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| 41 | extern "C" {
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| 42 | double fabs( double ); // math.h
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| 43 | float fabsf( float );
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| 44 | long double fabsl( long double );
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| 45 | } // extern "C"
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| 46 | static inline {
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| 47 | float abs( float x ) { return fabsf( x ); }
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| 48 | double abs( double x ) { return fabs( x ); }
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| 49 | long double abs( long double x ) { return fabsl( x ); }
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| 50 | } // distribution
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| 51 |
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| 52 | extern "C" {
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| 53 | double cabs( double _Complex ); // complex.h
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| 54 | float cabsf( float _Complex );
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| 55 | long double cabsl( long double _Complex );
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| 56 | } // extern "C"
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| 57 | static inline {
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| 58 | float abs( float _Complex x ) { return cabsf( x ); }
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| 59 | double abs( double _Complex x ) { return cabs( x ); }
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| 60 | long double abs( long double _Complex x ) { return cabsl( x ); }
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| 61 | } // distribution
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| 62 |
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| 63 | forall( otype T | { void ?{}( T &, zero_t ); int ?<?( T, T ); T -?( T ); } )
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| 64 | T abs( T );
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| 65 |
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| 66 | //---------------------------------------
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| 67 |
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| 68 | static inline {
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| 69 | char min( char t1, char t2 ) { return t1 < t2 ? t1 : t2; } // optimization
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| 70 | intptr_t min( intptr_t t1, intptr_t t2 ) { return t1 < t2 ? t1 : t2; } // optimization
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| 71 | uintptr_t min( uintptr_t t1, uintptr_t t2 ) { return t1 < t2 ? t1 : t2; } // optimization
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| 72 | forall( otype T | { int ?<?( T, T ); } )
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| 73 | T min( T t1, T t2 ) { return t1 < t2 ? t1 : t2; }
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| 74 |
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| 75 | char max( char t1, char t2 ) { return t1 > t2 ? t1 : t2; } // optimization
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| 76 | intptr_t max( intptr_t t1, intptr_t t2 ) { return t1 > t2 ? t1 : t2; } // optimization
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| 77 | uintptr_t max( uintptr_t t1, uintptr_t t2 ) { return t1 > t2 ? t1 : t2; } // optimization
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| 78 | forall( otype T | { int ?>?( T, T ); } )
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| 79 | T max( T t1, T t2 ) { return t1 > t2 ? t1 : t2; }
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| 80 |
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| 81 | forall( otype T | { T min( T, T ); T max( T, T ); } )
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| 82 | T clamp( T value, T min_val, T max_val ) { return max( min_val, min( value, max_val ) ); }
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| 83 |
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| 84 | forall( otype T )
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| 85 | void swap( T & v1, T & v2 ) { T temp = v1; v1 = v2; v2 = temp; }
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| 86 | } // distribution
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| 87 |
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| 88 | // Local Variables: //
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| 89 | // mode: c //
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| 90 | // tab-width: 4 //
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| 91 | // End: //
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