genericopenlibs/liboil/src/ref/sincos_f64_ref.c
author William Roberts <williamr@symbian.org>
Fri, 23 Jul 2010 16:09:54 +0100
branchGCC_SURGE
changeset 47 d7383dba13ba
parent 18 47c74d1534e1
permissions -rw-r--r--
Reapply fix for EXPORT_C problem in backend.dll, which got lost in the merge - bug 2971
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 <math.h>
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/**
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 * oil_sincos_f64:
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 * @dest1:
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 * @dest2:
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 * @n:
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 * @s1_1:
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 * @s2_1:
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 *
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 * Calculates sin(x) and cos(x) and places the results in @dest1 and
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 * @dest2 respectively.  Values for x start at @s1_1 and are incremented
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 * by @s2_1 for each destination element.
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 */
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OIL_DEFINE_CLASS (sincos_f64,
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    "double *dest1, double *dest2, int n, double *s1_1, double *s2_1");
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static void
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sincos_f64_ref (double *dest_sin, double *dest_cos, int n, double *offset,
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    double *interval)
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{
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	int i;
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        double x;
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	for(i=0;i<n;i++){
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          x = *offset + *interval * i;
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		dest_sin[i] = sin(x);
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		dest_cos[i] = cos(x);
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	}
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}
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OIL_DEFINE_IMPL_REF (sincos_f64_ref, sincos_f64);
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#ifdef	__SYMBIAN32__
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OilFunctionClass* __oil_function_class_sincos_f64() {
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		return &_oil_function_class_sincos_f64;
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}
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#endif
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#ifdef	__SYMBIAN32__
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OilFunctionImpl* __oil_function_impl_sincos_f64_ref() {
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		return &_oil_function_impl_sincos_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_sincos_f64 ()	{
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	oil_function_class_ptr_sincos_f64 = __oil_function_class_sincos_f64();
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	return &oil_function_class_ptr_sincos_f64->func;
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	}
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#endif
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