/*

 * 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>

/**

 * oil_sad8x8_u8:

 * @d_1:

 * @s1_8x8:

 * @ss1:

 * @s2_8x8:

 * @ss2:

 *

 * Calculates the sum of absolute differences between elements in @s1_8x8

 * and @s2_8x8, and places the result in @d_1.

 */

OIL_DEFINE_CLASS (sad8x8_u8,

    "uint32_t *d_1, uint8_t *s1_8x8, int ss1, uint8_t *s2_8x8, int ss2");

/**

 * oil_sad8x8_s16_2:

 * @d_1:

 * @s1_8x8:

 * @ss1:

 * @s2_8x8:

 * @ss2:

 *

 * Calculates the sum of absolute differences between elements in @s1_8x8

 * and @s2_8x8, and places the result in @d_1.

 */

OIL_DEFINE_CLASS (sad8x8_s16_2,

    "uint32_t *d_1, int16_t *s1_8x8, int ss1, int16_t *s2_8x8, int ss2");

/**

 * oil_sad8x8_f64_2:

 * @d_1:

 * @s1_8x8:

 * @ss1:

 * @s2_8x8:

 * @ss2:

 *

 * Calculates the sum of absolute differences between elements in @s1_8x8

 * and @s2_8x8, and places the result in @d_1.

 */

OIL_DEFINE_CLASS (sad8x8_f64_2,

    "double *d_1, double *s1_8x8, int ss1, double *s2_8x8, int ss2");

/**

 * oil_sad8x8_8xn_u8:

 * @d_1:

 * @s1_8x8:

 * @ss1:

 * @s2_8xnp7:

 * @ss2:

 * @n:

 *

 * Calculates the sum of absolute differences between elements in @s1_8x8

 * and the 8x8 block of array elements starting at row i in @s2_8x8, and

 * places the result in @d_n.

 */

OIL_DEFINE_CLASS (sad8x8_8xn_u8,

    "uint32_t *d_n, uint8_t *s1_8x8, int ss1, uint8_t *s2_8xnp7, int ss2, int n");

/**

 * oil_sad12x12_u8:

 * @d_1:

 * @s1_12x12:

 * @ss1:

 * @s2_12x12:

 * @ss2:

 *

 * Calculates the sum of absolute differences between elements in @s1_12x12

 * and @s2_12x12, and places the result in @d_1.

 */

OIL_DEFINE_CLASS (sad12x12_u8,

    "uint32_t *d_1, uint8_t *s1_12x12, int ss1, uint8_t *s2_12x12, int ss2");

/**

 * oil_sad12x12_12xn_u8:

 * @d_1:

 * @s1_12x12:

 * @ss1:

 * @s2_12xnp11:

 * @ss2:

 * @n:

 *

 * Calculates the sum of absolute differences between elements in @s1_12x12

 * and the 12x12 block of array elements starting at row i in @s2_12x12, and

 * places the result in @d_n.

 */

OIL_DEFINE_CLASS (sad12x12_12xn_u8,

    "uint32_t *d_n, uint8_t *s1_12x12, int ss1, uint8_t *s2_12xnp11, int ss2, int n");

/**

 * oil_sad16x16_u8:

 * @d_1:

 * @s1_16x16:

 * @ss1:

 * @s2_16x16:

 * @ss2:

 *

 * Calculates the sum of absolute differences between elements in @s1_16x16

 * and @s2_16x16, and places the result in @d_1.

 */

OIL_DEFINE_CLASS (sad16x16_u8,

    "uint32_t *d_1, uint8_t *s1_16x16, int ss1, uint8_t *s2_16x16, int ss2");

/**

 * oil_sad16x16_16xn_u8:

 * @d_1:

 * @s1_16x16:

 * @ss1:

 * @s2_16xnp15:

 * @ss2:

 * @n:

 *

 * Calculates the sum of absolute differences between elements in @s1_16x16

 * and the 16x16 block of array elements starting at row i in @s2_16x16, and

 * places the result in @d_n.

 */

OIL_DEFINE_CLASS (sad16x16_16xn_u8,

    "uint32_t *d_n, uint8_t *s1_16x16, int ss1, uint8_t *s2_16xnp15, int ss2, int n");

static void

sad8x8_f64_2_ref (double *dest, 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_2_ref, sad8x8_f64_2);

static void

sad8x8_s16_2_ref (uint32_t * dest, 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_2_ref, sad8x8_s16_2);

static void

sad8x8_u8_ref (uint32_t * dest, uint8_t * src1, int sstr1, uint8_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 (uint8_t), uint8_t)) -

          ((int) OIL_GET (src2, sstr2 * i + j * sizeof (uint8_t), uint8_t));

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

    }

  }

  *dest = sum;

}

OIL_DEFINE_IMPL_REF (sad8x8_u8_ref, sad8x8_u8);

static void

sad8x8_8xn_u8_ref (uint32_t * dest, uint8_t * src1, int sstr1, uint8_t * src2,

    int sstr2, int n)

{

  int i, j, k;

  int d;

  uint32_t sum;

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

    sum = 0;

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

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

        d = ((int) OIL_GET (src1, sstr1 * j + k * sizeof (uint8_t), uint8_t)) -

            ((int) OIL_GET (src2, sstr2 * (i+j) + k * sizeof (uint8_t), uint8_t));

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

      }

    }

    dest[i] = sum;

  }

}

OIL_DEFINE_IMPL_REF (sad8x8_8xn_u8_ref, sad8x8_8xn_u8);

static void

sad12x12_u8_ref (uint32_t * dest, uint8_t * src1, int sstr1, uint8_t * src2,

    int sstr2)

{

  int i, j;

  int d;

  uint32_t sum;

  sum = 0;

  for (i = 0; i < 12; i++) {

    for (j = 0; j < 12; j++) {

      d = ((int) OIL_GET (src1, sstr1 * i + j * sizeof (uint8_t), uint8_t)) -

          ((int) OIL_GET (src2, sstr2 * i + j * sizeof (uint8_t), uint8_t));

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

    }

  }

  *dest = sum;

}

OIL_DEFINE_IMPL_REF (sad12x12_u8_ref, sad12x12_u8);

static void

sad12x12_12xn_u8_ref (uint32_t * dest, uint8_t * src1, int sstr1, uint8_t * src2,

    int sstr2, int n)

{

  int i, j, k;

  int d;

  uint32_t sum;

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

    sum = 0;

    for (j = 0; j < 12; j++) {

      for (k = 0; k < 12; k++) {

        d = ((int) OIL_GET (src1, sstr1 * j + k * sizeof (uint8_t), uint8_t)) -

            ((int) OIL_GET (src2, sstr2 * (i+j) + k * sizeof (uint8_t), uint8_t));

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

      }

    }

    dest[i] = sum;

  }

}

OIL_DEFINE_IMPL_REF (sad12x12_12xn_u8_ref, sad12x12_12xn_u8);

static void

sad16x16_u8_ref (uint32_t * dest, uint8_t * src1, int sstr1, uint8_t * src2,

    int sstr2)

{

  int i, j;

  int d;

  uint32_t sum;

  sum = 0;

  for (i = 0; i < 16; i++) {

    for (j = 0; j < 16; j++) {

      d = ((int) OIL_GET (src1, sstr1 * i + j * sizeof (uint8_t), uint8_t)) -

          ((int) OIL_GET (src2, sstr2 * i + j * sizeof (uint8_t), uint8_t));

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

    }

  }

  *dest = sum;

}

OIL_DEFINE_IMPL_REF (sad16x16_u8_ref, sad16x16_u8);

static void

sad16x16_16xn_u8_ref (uint32_t * dest, uint8_t * src1, int sstr1, uint8_t * src2,

    int sstr2, int n)

{

  int i, j, k;

  int d;

  uint32_t sum;

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

    sum = 0;

    for (j = 0; j < 16; j++) {

      for (k = 0; k < 16; k++) {

        d = ((int) OIL_GET (src1, sstr1 * j + k * sizeof (uint8_t), uint8_t)) -

            ((int) OIL_GET (src2, sstr2 * (i+j) + k * sizeof (uint8_t), uint8_t));

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

      }

    }

    dest[i] = sum;

  }

}

OIL_DEFINE_IMPL_REF (sad16x16_16xn_u8_ref, sad16x16_16xn_u8);

#ifdef	__SYMBIAN32__

OilFunctionClass* __oil_function_class_sad8x8_u8() {

		return &_oil_function_class_sad8x8_u8;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionClass* __oil_function_class_sad8x8_s16_2() {

		return &_oil_function_class_sad8x8_s16_2;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionClass* __oil_function_class_sad8x8_f64_2() {

		return &_oil_function_class_sad8x8_f64_2;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionClass* __oil_function_class_sad8x8_8xn_u8() {

		return &_oil_function_class_sad8x8_8xn_u8;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionClass* __oil_function_class_sad12x12_u8() {

		return &_oil_function_class_sad12x12_u8;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionClass* __oil_function_class_sad12x12_12xn_u8() {

		return &_oil_function_class_sad12x12_12xn_u8;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionClass* __oil_function_class_sad16x16_u8() {

		return &_oil_function_class_sad16x16_u8;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionClass* __oil_function_class_sad16x16_16xn_u8() {

		return &_oil_function_class_sad16x16_16xn_u8;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_sad8x8_f64_2_ref() {

		return &_oil_function_impl_sad8x8_f64_2_ref;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_sad8x8_s16_2_ref() {

		return &_oil_function_impl_sad8x8_s16_2_ref;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_sad8x8_u8_ref() {

		return &_oil_function_impl_sad8x8_u8_ref;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_sad8x8_8xn_u8_ref() {

		return &_oil_function_impl_sad8x8_8xn_u8_ref;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_sad12x12_u8_ref() {

		return &_oil_function_impl_sad12x12_u8_ref;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_sad12x12_12xn_u8_ref() {

		return &_oil_function_impl_sad12x12_12xn_u8_ref;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_sad16x16_u8_ref() {

		return &_oil_function_impl_sad16x16_u8_ref;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_sad16x16_16xn_u8_ref() {

		return &_oil_function_impl_sad16x16_16xn_u8_ref;

}

#endif

#ifdef	__SYMBIAN32__

EXPORT_C void** _oil_function_class_ptr_sad8x8_u8 ()	{

	oil_function_class_ptr_sad8x8_u8 = __oil_function_class_sad8x8_u8();

	return &oil_function_class_ptr_sad8x8_u8->func;

	}

#endif

#ifdef	__SYMBIAN32__

EXPORT_C void** _oil_function_class_ptr_sad8x8_s16_2 ()	{

	oil_function_class_ptr_sad8x8_s16_2 = __oil_function_class_sad8x8_s16_2();

	return &oil_function_class_ptr_sad8x8_s16_2->func;

	}

#endif

#ifdef	__SYMBIAN32__

EXPORT_C void** _oil_function_class_ptr_sad8x8_f64_2 ()	{

	oil_function_class_ptr_sad8x8_f64_2 = __oil_function_class_sad8x8_f64_2();

	return &oil_function_class_ptr_sad8x8_f64_2->func;

	}

#endif

#ifdef	__SYMBIAN32__

EXPORT_C void** _oil_function_class_ptr_sad8x8_8xn_u8 ()	{

	oil_function_class_ptr_sad8x8_8xn_u8 = __oil_function_class_sad8x8_8xn_u8();

	return &oil_function_class_ptr_sad8x8_8xn_u8->func;

	}

#endif

#ifdef	__SYMBIAN32__

EXPORT_C void** _oil_function_class_ptr_sad12x12_u8 ()	{

	oil_function_class_ptr_sad12x12_u8 = __oil_function_class_sad12x12_u8();

	return &oil_function_class_ptr_sad12x12_u8->func;

	}

#endif

#ifdef	__SYMBIAN32__

EXPORT_C void** _oil_function_class_ptr_sad12x12_12xn_u8 ()	{

	oil_function_class_ptr_sad12x12_12xn_u8 = __oil_function_class_sad12x12_12xn_u8();

	return &oil_function_class_ptr_sad12x12_12xn_u8->func;

	}

#endif

#ifdef	__SYMBIAN32__

EXPORT_C void** _oil_function_class_ptr_sad16x16_u8 ()	{

	oil_function_class_ptr_sad16x16_u8 = __oil_function_class_sad16x16_u8();

	return &oil_function_class_ptr_sad16x16_u8->func;

	}

#endif

#ifdef	__SYMBIAN32__

EXPORT_C void** _oil_function_class_ptr_sad16x16_16xn_u8 ()	{

	oil_function_class_ptr_sad16x16_16xn_u8 = __oil_function_class_sad16x16_16xn_u8();

	return &oil_function_class_ptr_sad16x16_16xn_u8->func;

	}

#endif