/*

  * LIBOIL - Library of Optimized Inner Loops

  * Copyright (c) 2001,2002,2003,2004 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/liboil.h>

 #include "jpeg.h"

 #include <math.h>

 /**

  * oil_conv8x8_s16_f64:

  * @d_8x8:

  * @dstr:

  * @s_8x8:

  * @sstr:

  *

  * Converts elements in source array @s_8x8 to the destination

  * type, placing the results in @d_8x8.

  */

 OIL_DEFINE_CLASS (conv8x8_s16_f64,

     "int16_t * d_8x8, int dstr, double *s_8x8, int sstr");

 /**

  * oil_conv8x8_f64_s16:

  * @d_8x8:

  * @dstr:

  * @s_8x8:

  * @sstr:

  *

  * Converts elements in source array @s_8x8 to the destination

  * type, placing the results in @d_8x8.  The conversion of source

  * values outside the destination range are undefined and

  * implementation dependent.

  */

 OIL_DEFINE_CLASS (conv8x8_f64_s16,

     "double *d_8x8, int dstr, int16_t * s_8x8, int sstr");

 /**

  * oil_clipconv8x8_u8_s16:

  * @d_8x8:

  * @dstr:

  * @s_8x8:

  * @sstr:

  *

  * Converts elements in source array @s_8x8 to the destination

  * type, placing the results in @d_8x8.  Source values outside

  * the destination range are clipped to the destination range.

  */

 OIL_DEFINE_CLASS (clipconv8x8_u8_s16,

     "uint8_t * d_8x8, int dstr, int16_t * s_8x8, int sstr");

 #define BLOCK8x8_F64(ptr, stride, row, column) \

 	(*((double *)((unsigned char *)ptr + stride*row) + column))

 #define BLOCK8x8_PTR_F64(ptr, stride, row, column) \

 	((double *)((unsigned char *)ptr + stride*row) + column)

 #define BLOCK8x8_S16(ptr, stride, row, column) \

 	(*((int16_t *)((unsigned char *)ptr + stride*row) + column))

 #define BLOCK8x8_U8(ptr, stride, row, column) \

 	(*((uint8_t *)((unsigned char *)ptr + stride*row) + column))

 static void

 conv8x8_s16_f64_c (int16_t * dest, int dstr, double *src, int sstr)

 {

   int i, j;

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

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

       BLOCK8x8_S16 (dest, dstr, i, j) = floor (0.5 + BLOCK8x8_F64 (src, sstr, i, j));

     }

   }

 }

 OIL_DEFINE_IMPL_REF (conv8x8_s16_f64_c, conv8x8_s16_f64);

 static void

 conv8x8_f64_s16_c (double *dest, int dstr, int16_t * src, int sstr)

 {

   int i, j;

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

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

       BLOCK8x8_F64 (dest, dstr, i, j) = BLOCK8x8_S16 (src, sstr, i, j);

     }

   }

 }

 OIL_DEFINE_IMPL_REF (conv8x8_f64_s16_c, conv8x8_f64_s16);

 static void

 clipconv8x8_u8_s16_c (uint8_t * dest, int dstr, int16_t * src, int sstr)

 {

   int i, j;

   int16_t x;

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

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

       x = BLOCK8x8_S16 (src, sstr, i, j);

       if (x < 0)

 	x = 0;

       if (x > 255)

 	x = 255;

       BLOCK8x8_U8 (dest, dstr, i, j) = x;

     }

   }

 }

 OIL_DEFINE_IMPL_REF (clipconv8x8_u8_s16_c, clipconv8x8_u8_s16);

 #ifdef	__SYMBIAN32__

 OilFunctionClass* __oil_function_class_conv8x8_s16_f64() {

 		return &_oil_function_class_conv8x8_s16_f64;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionClass* __oil_function_class_conv8x8_f64_s16() {

 		return &_oil_function_class_conv8x8_f64_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionClass* __oil_function_class_clipconv8x8_u8_s16() {

 		return &_oil_function_class_clipconv8x8_u8_s16;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_conv8x8_s16_f64_c() {

 		return &_oil_function_impl_conv8x8_s16_f64_c;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_conv8x8_f64_s16_c() {

 		return &_oil_function_impl_conv8x8_f64_s16_c;

 }

 #endif

 #ifdef	__SYMBIAN32__

 OilFunctionImpl* __oil_function_impl_clipconv8x8_u8_s16_c() {

 		return &_oil_function_impl_clipconv8x8_u8_s16_c;

 }

 #endif

 #ifdef	__SYMBIAN32__

 EXPORT_C void** _oil_function_class_ptr_conv8x8_s16_f64 ()	{

 	oil_function_class_ptr_conv8x8_s16_f64 = __oil_function_class_conv8x8_s16_f64();

 	return &oil_function_class_ptr_conv8x8_s16_f64->func;

 	}

 #endif

 #ifdef	__SYMBIAN32__

 EXPORT_C void** _oil_function_class_ptr_conv8x8_f64_s16 ()	{

 	oil_function_class_ptr_conv8x8_f64_s16 = __oil_function_class_conv8x8_f64_s16();

 	return &oil_function_class_ptr_conv8x8_f64_s16->func;

 	}

 #endif

 #ifdef	__SYMBIAN32__

 EXPORT_C void** _oil_function_class_ptr_clipconv8x8_u8_s16 ()	{

 	oil_function_class_ptr_clipconv8x8_u8_s16 = __oil_function_class_clipconv8x8_u8_s16();

 	return &oil_function_class_ptr_clipconv8x8_u8_s16->func;

 	}

 #endif