//
// 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.
//
// stdlib --
//
// Author           : Peter A. Buhr
// Created On       : Thu Jan 28 17:12:35 2016
// Last Modified By : Peter A. Buhr
// Last Modified On : Fri Jul 27 07:21:36 2018
// Update Count     : 345
//

#pragma once

#include <stdlib.h>										// *alloc, strto*, ato*
extern "C" {
	void * memalign( size_t align, size_t size );		// malloc.h
	void * memset( void * dest, int fill, size_t size ); // string.h
	void * memcpy( void * dest, const void * src, size_t size ); // string.h
    void * cmemalign( size_t alignment, size_t noOfElems, size_t elemSize ); // CFA
} // extern "C"

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

#ifndef EXIT_FAILURE
#define	EXIT_FAILURE	1								// failing exit status
#define	EXIT_SUCCESS	0								// successful exit status
#endif // ! EXIT_FAILURE

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

static inline forall( dtype T | sized(T) ) {
	// C dynamic allocation

	T * malloc( void ) {
		return (T *)(void *)malloc( (size_t)sizeof(T) ); // C malloc
	} // malloc

	// T & malloc( void ) {
	// 	int & p = *(T *)(void *)malloc( (size_t)sizeof(T) ); // C malloc
	// 	printf( "& malloc %p\n", &p );
	// 	return p;
	// 	//	return (T &)*(T *)(void *)malloc( (size_t)sizeof(T) ); // C malloc
	// } // malloc

	T * calloc( size_t dim ) {
		return (T *)(void *)calloc( dim, sizeof(T) );	// C calloc
	} // calloc

	T * realloc( T * ptr, size_t size ) {
		return (T *)(void *)realloc( (void *)ptr, size );
	} // realloc

	T * memalign( size_t align ) {
		return (T *)memalign( align, sizeof(T) );
	} // memalign

	T * aligned_alloc( size_t align ) {
		return (T *)aligned_alloc( align, sizeof(T) );
	} // aligned_alloc

	int posix_memalign( T ** ptr, size_t align ) {
		return posix_memalign( (void **)ptr, align, sizeof(T) ); // C posix_memalign
	} // posix_memalign


	// Cforall dynamic allocation

	T * alloc( void ) {
		return (T *)(void *)malloc( (size_t)sizeof(T) ); // C malloc
	} // alloc

	T * alloc( char fill ) {
		T * ptr = (T *)(void *)malloc( (size_t)sizeof(T) );	// C malloc
		return (T *)memset( ptr, (int)fill, sizeof(T) );	// initial with fill value
	} // alloc

	T * alloc( size_t dim ) {
		return (T *)(void *)malloc( dim * (size_t)sizeof(T) ); // C malloc
	} // alloc

	T * alloc( size_t dim, char fill ) {
		T * ptr = (T *)(void *)malloc( dim * (size_t)sizeof(T) ); // C malloc
		return (T *)memset( ptr, (int)fill, dim * sizeof(T) );	  // initial with fill value
	} // alloc

	T * alloc( T ptr[], size_t dim ) {
		return (T *)(void *)realloc( (void *)ptr, dim * (size_t)sizeof(T) ); // C realloc
	} // alloc
} // distribution


forall( dtype T | sized(T) ) T * alloc( T ptr[], size_t dim, char fill );


static inline forall( dtype T | sized(T) ) {
	T * align_alloc( size_t align ) {
		return (T *)memalign( align, sizeof(T) );
	} // align_alloc

	T * align_alloc( size_t align, char fill ) {
		T * ptr = (T *)memalign( align, sizeof(T) );
		return (T *)memset( ptr, (int)fill, sizeof(T) );
	} // align_alloc

	T * align_alloc( size_t align, size_t dim ) {
		return (T *)memalign( align, dim * sizeof(T) );
	} // align_alloc

	T * align_alloc( size_t align, size_t dim, char fill ) {
		T * ptr;
		if ( fill == '\0' ) {
			ptr = (T *)cmemalign( align, dim, sizeof(T) );
		} else {
			ptr = (T *)memalign( align, dim * sizeof(T) );
			return (T *)memset( ptr, (int)fill, dim * sizeof(T) );
		} // if
		return ptr;
	} // align_alloc
} // distribution


static inline forall( dtype T | sized(T) ) {
	// data, non-array types

	T * memset( T * dest, char fill ) {
		return (T *)memset( dest, fill, sizeof(T) );
	} // memset

	T * memcpy( T * dest, const T * src ) {
		return (T *)memcpy( dest, src, sizeof(T) );
	} // memcpy
} // distribution

static inline forall( dtype T | sized(T) ) {
	// data, array types

	T * amemset( T dest[], char fill, size_t dim ) {
		return (T *)(void *)memset( dest, fill, dim * sizeof(T) ); // C memset
	} // amemset

	T * amemcpy( T dest[], const T src[], size_t dim ) {
		return (T *)(void *)memcpy( dest, src, dim * sizeof(T) ); // C memcpy
	} // amemcpy
} // distribution

// allocation/deallocation and constructor/destructor, non-array types
forall( dtype T | sized(T), ttype Params | { void ?{}( T &, Params ); } ) T * new( Params p );
forall( dtype T | sized(T) | { void ^?{}( T & ); } ) void delete( T * ptr );
forall( dtype T, ttype Params | sized(T) | { void ^?{}( T & ); void delete( Params ); } ) void delete( T * ptr, Params rest );

// allocation/deallocation and constructor/destructor, array types
forall( dtype T | sized(T), ttype Params | { void ?{}( T &, Params ); } ) T * anew( size_t dim, Params p );
forall( dtype T | sized(T) | { void ^?{}( T & ); } ) void adelete( size_t dim, T arr[] );
forall( dtype T | sized(T) | { void ^?{}( T & ); }, ttype Params | { void adelete( Params ); } ) void adelete( size_t dim, T arr[], Params rest );

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

static inline {
	int strto( const char * sptr, char ** eptr, int base ) { return (int)strtol( sptr, eptr, base ); }
	unsigned int strto( const char * sptr, char ** eptr, int base ) { return (unsigned int)strtoul( sptr, eptr, base ); }
	long int strto( const char * sptr, char ** eptr, int base ) { return strtol( sptr, eptr, base ); }
	unsigned long int strto( const char * sptr, char ** eptr, int base ) { return strtoul( sptr, eptr, base ); }
	long long int strto( const char * sptr, char ** eptr, int base ) { return strtoll( sptr, eptr, base ); }
	unsigned long long int strto( const char * sptr, char ** eptr, int base ) { return strtoull( sptr, eptr, base ); }

	float strto( const char * sptr, char ** eptr ) { return strtof( sptr, eptr ); }
	double strto( const char * sptr, char ** eptr ) { return strtod( sptr, eptr ); }
	long double strto( const char * sptr, char ** eptr ) { return strtold( sptr, eptr ); }
} // distribution

float _Complex strto( const char * sptr, char ** eptr );
double _Complex strto( const char * sptr, char ** eptr );
long double _Complex strto( const char * sptr, char ** eptr );

static inline {
	int ato( const char * sptr ) {return (int)strtol( sptr, 0, 10 ); }
	unsigned int ato( const char * sptr ) { return (unsigned int)strtoul( sptr, 0, 10 ); }
	long int ato( const char * sptr ) { return strtol( sptr, 0, 10 ); }
	unsigned long int ato( const char * sptr ) { return strtoul( sptr, 0, 10 ); }
	long long int ato( const char * sptr ) { return strtoll( sptr, 0, 10 ); }
	unsigned long long int ato( const char * sptr ) { return strtoull( sptr, 0, 10 ); }

	float ato( const char * sptr ) { return strtof( sptr, 0 ); }
	double ato( const char * sptr ) { return strtod( sptr, 0 ); }
	long double ato( const char * sptr ) { return strtold( sptr, 0 ); }

	float _Complex ato( const char * sptr ) { return strto( sptr, NULL ); }
	double _Complex ato( const char * sptr ) { return strto( sptr, NULL ); }
	long double _Complex ato( const char * sptr ) { return strto( sptr, NULL ); }
} // distribution

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

forall( otype E | { int ?<?( E, E ); } ) {
	E * bsearch( E key, const E * vals, size_t dim );
	size_t bsearch( E key, const E * vals, size_t dim );
	E * bsearchl( E key, const E * vals, size_t dim );
	size_t bsearchl( E key, const E * vals, size_t dim );
	E * bsearchu( E key, const E * vals, size_t dim );
	size_t bsearchu( E key, const E * vals, size_t dim );
} // distribution

forall( otype K, otype E | { int ?<?( K, K ); K getKey( const E & ); } ) {
	E * bsearch( K key, const E * vals, size_t dim );
	size_t bsearch( K key, const E * vals, size_t dim );
	E * bsearchl( K key, const E * vals, size_t dim );
	size_t bsearchl( K key, const E * vals, size_t dim );
	E * bsearchu( K key, const E * vals, size_t dim );
	size_t bsearchu( K key, const E * vals, size_t dim );
} // distribution

forall( otype E | { int ?<?( E, E ); } ) {
	void qsort( E * vals, size_t dim );
} // distribution

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

extern "C" {											// override C version
	void srandom( unsigned int seed );
	long int random( void );
} // extern "C"

static inline {
	long int random( long int l, long int u ) { if ( u < l ) [u, l] = [l, u]; return lrand48() % (u - l) + l; } // [l,u)
	long int random( long int u ) { if ( u < 0 ) return random( u, 0 ); else return random( 0, u ); } // [0,u)
	unsigned long int random( void ) { return lrand48(); }
	unsigned long int random( unsigned long int l, unsigned long int u ) { if ( u < l ) [u, l] = [l, u]; return lrand48() % (u - l) + l; } // [l,u)
	unsigned long int random( unsigned long int u ) { return lrand48() % u; } // [0,u)

	char random( void ) { return (unsigned long int)random(); }
	char random( char u ) { return random( (unsigned long int)u ); } // [0,u)
	char random( char l, char u ) { return random( (unsigned long int)l, (unsigned long int)u ); } // [l,u)
	int random( void ) { return (long int)random(); }
	int random( int u ) { return random( (long int)u ); } // [0,u]
	int random( int l, int u ) { return random( (long int)l, (long int)u ); } // [l,u)
	unsigned int random( void ) { return (unsigned long int)random(); }
	unsigned int random( unsigned int u ) { return random( (unsigned long int)u ); } // [0,u]
	unsigned int random( unsigned int l, unsigned int u ) { return random( (unsigned long int)l, (unsigned long int)u ); } // [l,u)
} // distribution

float random( void );									// [0.0, 1.0)
double random( void );									// [0.0, 1.0)
float _Complex random( void );							// [0.0, 1.0)+[0.0, 1.0)i
double _Complex random( void );							// [0.0, 1.0)+[0.0, 1.0)i
long double _Complex random( void );					// [0.0, 1.0)+[0.0, 1.0)i

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

#include "common"

// Local Variables: //
// mode: c //
// tab-width: 4 //
// End: //