source: libcfa/src/common.hfa @ 06d75931

//
// Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo
//
// The contents of this file are covered under the licence agreement in the
// file "LICENCE" distributed with Cforall.
//
// common.hfa --
//
// Author           : Peter A. Buhr
// Created On       : Wed Jul 11 17:54:36 2018
// Last Modified By : Peter A. Buhr
// Last Modified On : Sat Aug 24 08:01:36 2024
// Update Count     : 43
//

#pragma once

//---------------------------------------

[ int, int ] div( int num, int denom );
[ long int, long int ] div( long int num, long int denom );
[ long long int, long long int ] div( long long int num, long long int denom );
forall( T | { T ?/?( T, T ); T ?%?( T, T ); } )
[ T, T ] div( T num, T demon );

//---------------------------------------

extern "C" {
        int abs( int );                                                                         // stdlib.h
        long int labs( long int );
        long long int llabs( long long int );
} // extern "C"
static inline __attribute__((always_inline)) {
        unsigned char abs( signed char v ) { return (int)abs( (int)v ); }
        // use default C routine for int
        unsigned long int abs( long int v ) { return labs( v ); }
        unsigned long long int abs( long long int v ) { return llabs( v ); }
} // distribution

extern "C" {
        double fabs( double );                                                          // math.h
        float fabsf( float );
        long double fabsl( long double );
} // extern "C"
static inline __attribute__((always_inline)) {
        float abs( float x ) { return fabsf( x ); }
        double abs( double x ) { return fabs( x ); }
        long double abs( long double x ) { return fabsl( x ); }
} // distribution

extern "C" {
        double cabs( double _Complex );                                         // complex.h
        float cabsf( float _Complex );
        long double cabsl( long double _Complex );
} // extern "C"
static inline __attribute__((always_inline)) {
        float abs( float _Complex x ) { return cabsf( x ); }
        double abs( double _Complex x ) { return cabs( x ); }
        long double abs( long double _Complex x ) { return cabsl( x ); }
} // distribution

forall( T | { void ?{}( T &, zero_t ); int ?<?( T, T ); T -?( T ); } )
T abs( T );

//---------------------------------------

static inline __attribute__((always_inline)) {
        // Specializations
        char min( char v1, char v2 ) { return v1 < v2 ? v1 : v2; }
        int min( int v1, int v2 ) { return v1 < v2 ? v1 : v2; }
        unsigned int min( unsigned int v1, unsigned int v2 ) { return v1 < v2 ? v1 : v2; }
        long int min( long int v1, long int v2 ) { return v1 < v2 ? v1 : v2; }
        unsigned long int min( unsigned long int v1, unsigned long int v2 ) { return v1 < v2 ? v1 : v2; }
        long long int min( long long int v1, long long int v2 ) { return v1 < v2 ? v1 : v2; }
        unsigned long long int min( unsigned long long int v1, unsigned long long int v2 ) { return v1 < v2 ? v1 : v2; }

        char max( char v1, char v2 ) { return v1 > v2 ? v1 : v2; }
        int max( int v1, int v2 ) { return v1 > v2 ? v1 : v2; }
        unsigned int max( unsigned int v1, unsigned int v2 ) { return v1 > v2 ? v1 : v2; }
        long int max( long int v1, long int v2 ) { return v1 > v2 ? v1 : v2; }
        unsigned long int max( unsigned long int v1, unsigned long int v2 ) { return v1 > v2 ? v1 : v2; }
        long long int max( long long int v1, long long int v2 ) { return v1 > v2 ? v1 : v2; }
        unsigned long long int max( unsigned long long int v1, unsigned long long int v2 ) { return v1 > v2 ? v1 : v2; }

        // Polymorphic
        forall( T | { int ?<?( T, T ); } )
        T min( T v1, T v2 ) { return v1 < v2 ? v1 : v2; }

        forall( T, Ts ... | { T min( T, T ); T min( Ts ); } )
        T min( T arg, Ts args ) { return min( arg, min( args ) ); }

        forall( T | { int ?>?( T, T ); } )
        T max( T v1, T v2 ) { return v1 > v2 ? v1 : v2; }

        forall( T, Ts ... | { T max( T, T ); T max( Ts ); } )
        T max( T arg, Ts args ) { return max( arg, max( args ) ); }

        forall( T | { T min( T, T ); T max( T, T ); } )
        T clamp( T value, T min_val, T max_val ) { return max( min_val, min( value, max_val ) ); }

        forall( T )
        void swap( T & v1, T & v2 ) { T temp = v1; v1 = v2; v2 = temp; }
} // distribution

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