sl@0: /*
sl@0:  * LIBOIL - Library of Optimized Inner Loops
sl@0:  * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
sl@0:  * All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer.
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in the
sl@0:  *    documentation and/or other materials provided with the distribution.
sl@0:  * 
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
sl@0:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
sl@0:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
sl@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
sl@0:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
sl@0:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
sl@0:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
sl@0:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
sl@0:  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
sl@0:  * POSSIBILITY OF SUCH DAMAGE.
sl@0:  */
sl@0: //Portions Copyright (c)  2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 
sl@0: 
sl@0: #ifdef HAVE_CONFIG_H
sl@0: #include "config.h"
sl@0: #endif
sl@0: 
sl@0: #include <liboil/liboilfunction.h>
sl@0: #include "liboil/simdpack/simdpack.h"
sl@0: 
sl@0: #include <math.h>
sl@0: 
sl@0: /**
sl@0:  * oil_average2_u8:
sl@0:  * @d:
sl@0:  * @dstr:
sl@0:  * @s1:
sl@0:  * @sstr1:
sl@0:  * @s2:
sl@0:  * @sstr2:
sl@0:  * @n:
sl@0:  *
sl@0:  * Averages each element in @s1 and @s2 and places the result in @d.
sl@0:  *
sl@0:  * FIXME: This class is difficult to optimize and will likely be
sl@0:  * replaced.
sl@0:  */
sl@0: OIL_DEFINE_CLASS (average2_u8, 
sl@0:     "uint8_t *d, int dstr, uint8_t *s1, int sstr1, "
sl@0:     "uint8_t *s2, int sstr2, int n");
sl@0: 
sl@0: static void
sl@0: average2_u8_ref (uint8_t * dest, int dstr, uint8_t *src1, int sstr1,
sl@0:     uint8_t *src2, int sstr2, int n)
sl@0: {
sl@0:   int i;
sl@0: 
sl@0:   for (i = 0; i < n; i++) {
sl@0:     dest[dstr * i] = (src1[sstr1 * i] + src2[sstr2 * i]) >> 1;
sl@0:   }
sl@0: }
sl@0: 
sl@0: OIL_DEFINE_IMPL_REF (average2_u8_ref, average2_u8);
sl@0: 
sl@0: 
sl@0: 
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: OilFunctionClass* __oil_function_class_average2_u8() {
sl@0: 		return &_oil_function_class_average2_u8;
sl@0: }
sl@0: #endif
sl@0: 
sl@0: 
sl@0: 
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: OilFunctionImpl* __oil_function_impl_average2_u8_ref() {
sl@0: 		return &_oil_function_impl_average2_u8_ref;
sl@0: }
sl@0: #endif
sl@0: 
sl@0: 
sl@0: 
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: EXPORT_C void** _oil_function_class_ptr_average2_u8 ()	{
sl@0: 	oil_function_class_ptr_average2_u8 = __oil_function_class_average2_u8();
sl@0: 	return &oil_function_class_ptr_average2_u8->func;
sl@0: 	}
sl@0: #endif
sl@0: