/*
 * domains.h
 *
 *  Created on: 06/01/2017
 *      Author: pedro
 */

#ifndef SRC_DOMAINS_H_
#define SRC_DOMAINS_H_

// Host configuration
#ifndef __OPENCL_VERSION__

#include <stdbool.h>
#include <stddef.h>
#include <sys/types.h>

#include "CL/cl.h"
#include "CL/cl_platform.h"

// when interval domains are used
typedef cl_ushort2 interval;	// [16-bits;16-bits] <-> [min,max]

// Bitmap size used on host
#ifndef BITS
#define BITS 1024
#endif

// Size of words used on host
#ifndef H_WORD
#define H_WORD 64
#endif

// host word parameters
#if H_WORD < 33
#define H_ONE 1U
#define H_DIV 5
#define H_WORD_TYPE unsigned int
#else
#define H_ONE 1ULL
#define H_DIV 6
#define H_WORD_TYPE cl_ulong
#endif

#define H_ALL_ONES ((H_WORD_TYPE) -1)

#if BITS < 33
#define H_N_WORDS 1
#define H_BITS 32
#elif BITS < 65
	#if H_WORD == 64
	#define H_N_WORDS 1
	#else
	#define H_N_WORDS 2
	#endif
#define H_BITS 64
#else
	#if (BITS % 64) > 0
	#define H_BITS (BITS / 64 * 64 + 64)
	#else
	#define H_BITS (BITS / 64 * 64)
	#endif
#define H_N_WORDS H_BITS / H_WORD
#endif

#if H_N_WORDS == 1
typedef H_WORD_TYPE bitmap;
#else
typedef H_WORD_TYPE bitmap[H_N_WORDS];
#endif


// never used. Just for compilation and syntax correction
#define CL_BITMAP 0
#define CL_INTERVAL 1
#define CL_D_TYPE CL_BITMAP
#define DOMAIN_ cl_bitmap
#define CL_D_MIN 0

// 32 bits 1 word
#define CL_WORD 32
#define CL_BITS 32
#define CL_D_MAX 32
#define CL_ONE_ 1U
#define CL_DIV 5
#define CL_REM 31
#define CL_N_WORDS 1
#define CL_WORD_TYPE cl_uint
typedef CL_WORD_TYPE cl_bitmap;

/*
// 64 bits 1 word
#define CL_WORD 64
#define CL_BITS 64
#define CL_D_MAX 64
#define CL_ONE_ 1UL
#define CL_DIV 6
#define CL_REM 63
#define CL_N_WORDS 1
#define CL_WORD_TYPE cl_ulong
typedef CL_WORD_TYPE cl_bitmap;
*/
/*
// 64 bits 2 words
#define CL_WORD 64
#define CL_BITS 128
#define CL_D_MAX 128
#define CL_ONE_ 1UL
#define CL_DIV 6
#define CL_REM 63
#define CL_N_WORDS 2
#define CL_WORD_TYPE cl_ulong
typedef CL_WORD_TYPE cl_bitmap[CL_N_WORDS];
*/

#define CL_ALL_ONES ((CL_WORD_TYPE) -1)


// Device configuration (used during kernel compilation)
#else

// Choose domains size on OpenCL kernel compilation
// host word parameters
#if CL_WORD < 33
#define CL_ONE_ 1U
#define CL_DIV 5
#define CL_REM 31
#define CL_WORD_TYPE uint
#else
#define CL_ONE_ 1UL
#define CL_DIV 6
#define CL_REM 63
#define CL_WORD_TYPE ulong
#endif

#define CL_ALL_ONES ((CL_WORD_TYPE) -1)

#if CL_BITS < 33
#define CL_N_WORDS 1
#elif CL_BITS < 65
	#if CL_WORD == 32
	#define CL_N_WORDS 2
	#else
	#define CL_N_WORDS 1
	#endif
#else
#define CL_N_WORDS (CL_BITS / CL_WORD)
#endif

#if CL_N_WORDS == 1
typedef CL_WORD_TYPE cl_bitmap;
#else
typedef CL_WORD_TYPE cl_bitmap[CL_N_WORDS];
#endif

#define CL_BITMAP 0
#define CL_INTERVAL 1

#ifndef CL_D_TYPE
#define CL_D_TYPE CL_BITMAP
#endif

#if CL_D_TYPE == CL_BITMAP
#define DOMAIN_ cl_bitmap
#define VARS cl_var_bitmap
#define VARS_PROP cl_var_p_bitmap
#elif CL_D_TYPE == CL_INTERVAL
typedef ushort2 interval;// [16-bits;16-bits] <-> [min,max]
#define DOMAIN_ interval
#define VARS cl_var_interval
#define VARS_PROP cl_var_p_interval
#endif

#ifndef CL_D_MAX
#define CL_D_MAX 32
#endif

#ifndef CL_D_MIN
#define CL_D_MIN 0
#endif

#endif

#endif /* SRC_DOMAINS_H_ */