os/ossrv/genericopenlibs/liboil/src/ref/multsum_ref.c
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
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/*
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 * LIBOIL - Library of Optimized Inner Loops
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 * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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 * POSSIBILITY OF SUCH DAMAGE.
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 */
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//Portions Copyright (c)  2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <liboil/liboilfunction.h>
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#include "liboil/simdpack/simdpack.h"
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#include <math.h>
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#define MULTSUM_DEFINE_REF(type)	\
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static void multsum_ ## type ## _ref(	\
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    oil_type_ ## type *dest,		\
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    oil_type_ ## type *src1, int sstr1,	\
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    oil_type_ ## type *src2, int sstr2,	\
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    int n)				\
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{					\
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  int i;				\
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  double sum = 0;			\
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  double errsum = 0;			\
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  for(i=0;i<n;i++){			\
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    oil_type_ ## type x;                    \
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    oil_type_ ## type tmp;                  \
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    x = OIL_GET(src1,sstr1*i,oil_type_ ## type) * OIL_GET(src2,sstr2*i,oil_type_ ## type);		\
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    tmp = sum;				\
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    sum += x;				\
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    errsum += (tmp - sum) + x;		\
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  }					\
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  *dest = sum + errsum;			\
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}					\
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OIL_DEFINE_IMPL_REF (multsum_ ## type ## _ref, multsum_ ## type); \
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OIL_DEFINE_CLASS (multsum_ ## type, \
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    "oil_type_" #type " *dest, "		\
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    "oil_type_" #type " *src1, int sstr1, "	\
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    "oil_type_" #type " *src2, int sstr2, "	\
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    "int n")
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/**
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 * oil_multsum_f32:
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 * @dest:
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 * @src1:
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 * @sstr1:
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 * @src2:
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 * @sstr2:
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 * @n:
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 *
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 * Multiplies each element in @src1 and @src2 and sums the results
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 * over the entire array, and places the sum into @dest.
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 */
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MULTSUM_DEFINE_REF(f32);
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/**
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 * oil_multsum_f64:
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 * @dest:
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 * @src1:
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 * @sstr1:
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 * @src2:
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 * @sstr2:
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 * @n:
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 *
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 * Multiplies each element in @src1 and @src2 and sums the results
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 * over the entire array, and places the sum into @dest.
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 */
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MULTSUM_DEFINE_REF(f64);
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#ifdef	__SYMBIAN32__
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OilFunctionClass* __oil_function_class_multsum_f64() {
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        return &_oil_function_class_multsum_f64;
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}
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#endif
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#ifdef	__SYMBIAN32__
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OilFunctionClass* __oil_function_class_multsum_f32() {
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        return &_oil_function_class_multsum_f32;
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}
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#endif
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#ifdef	__SYMBIAN32__
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OilFunctionImpl* __oil_function_impl_multsum_f32_ref() {
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		return &_oil_function_impl_multsum_f32_ref;
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}
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#endif
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#ifdef	__SYMBIAN32__
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OilFunctionImpl* __oil_function_impl_multsum_f64_ref() {
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		return &_oil_function_impl_multsum_f64_ref;
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}
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#endif
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#ifdef	__SYMBIAN32__
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EXPORT_C void** _oil_function_class_ptr_multsum_f64 ()	{
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	oil_function_class_ptr_multsum_f64 = __oil_function_class_multsum_f64();
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	return &oil_function_class_ptr_multsum_f64->func;
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	}
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#endif
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#ifdef	__SYMBIAN32__
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EXPORT_C void** _oil_function_class_ptr_multsum_f32 ()	{
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	oil_function_class_ptr_multsum_f32 = __oil_function_class_multsum_f32();
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	return &oil_function_class_ptr_multsum_f32->func;
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	}
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#endif
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