/*

 * LIBOIL - Library of Optimized Inner Loops

 * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,

 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING

 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

 * POSSIBILITY OF SUCH DAMAGE.

 */

//Portions Copyright (c)  2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include <liboil/liboilfunction.h>

#include "liboil/simdpack/simdpack.h"

#include <math.h>

#ifdef __SYMBIAN32__

#ifdef __WINSCW__

#pragma warn_unusedarg off 

#endif//__WINSCW__

#endif//__SYMBIAN32__

/**

 * oil_sad8x8_s16:

 * @d_8x8:

 * @ds:

 * @s1_8x8:

 * @ss1:

 * @s2_8x8:

 * @ss2:

 *

 * FIXME: This function is broken and has been replaced by

 * @oil_sad8x8_s16_2() because the destination of this function

 * is an 8x8 block instead of a single value.

 */

OIL_DEFINE_CLASS (sad8x8_s16,

    "uint32_t *d_8x8, int ds, int16_t *s1_8x8, int ss1, int16_t *s2_8x8, int ss2");

/**

 * oil_sad8x8_f64:

 * @d_8x8:

 * @ds:

 * @s1_8x8:

 * @ss1:

 * @s2_8x8:

 * @ss2:

 *

 * FIXME: This function is broken and has been replaced by

 * @oil_sad8x8_f64_2() because the destination of this function

 * is an 8x8 block instead of a single value.

 */

OIL_DEFINE_CLASS (sad8x8_f64,

    "double *d_8x8, int ds, double *s1_8x8, int ss1, double *s2_8x8, int ss2");

static void

sad8x8_f64_ref(double *dest, int dstr, double *src1, int sstr1, double *src2,

    int sstr2)

{

	int i,j;

	double sum;

	sum = 0;

	for(i=0;i<8;i++){

		for(j=0;j<8;j++){

			sum += fabs(OIL_GET(src1,sstr1*i+j*sizeof(double), double) -

			    OIL_GET(src2,sstr2*i+j*sizeof(double), double));

		}

	}

	*dest = sum;

}

OIL_DEFINE_IMPL_REF(sad8x8_f64_ref, sad8x8_f64);

static void

sad8x8_s16_ref(uint32_t *dest, int dstr, int16_t *src1, int sstr1, int16_t *src2,

    int sstr2)

{

	int i,j;

	int d;

	uint32_t sum;

	sum = 0;

	for(i=0;i<8;i++){

		for(j=0;j<8;j++){

			d = ((int)OIL_GET(src1,sstr1*i+j*sizeof(int16_t), int16_t)) -

				((int)OIL_GET(src2,sstr2*i+j*sizeof(int16_t), int16_t));

			sum += (d<0) ? -d : d;

		}

	}

	*dest = sum;

}

OIL_DEFINE_IMPL_REF(sad8x8_s16_ref, sad8x8_s16);

#ifdef	__SYMBIAN32__

OilFunctionClass* __oil_function_class_sad8x8_s16() {

		return &_oil_function_class_sad8x8_s16;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionClass* __oil_function_class_sad8x8_f64() {

		return &_oil_function_class_sad8x8_f64;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_sad8x8_f64_ref() {

		return &_oil_function_impl_sad8x8_f64_ref;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_sad8x8_s16_ref() {

		return &_oil_function_impl_sad8x8_s16_ref;

}

#endif

#ifdef	__SYMBIAN32__

EXPORT_C void** _oil_function_class_ptr_sad8x8_s16 ()	{

	oil_function_class_ptr_sad8x8_s16 = __oil_function_class_sad8x8_s16();

	return &oil_function_class_ptr_sad8x8_s16->func;

	}

#endif

#ifdef	__SYMBIAN32__

EXPORT_C void** _oil_function_class_ptr_sad8x8_f64 ()	{

	oil_function_class_ptr_sad8x8_f64 = __oil_function_class_sad8x8_f64();

	return &oil_function_class_ptr_sad8x8_f64->func;

	}

#endif