1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/genericopenlibs/liboil/src/simdpack/sincos_f64.c	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,88 @@
     1.4 +/*
     1.5 + * LIBOIL - Library of Optimized Inner Loops
     1.6 + * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
     1.7 + * All rights reserved.
     1.8 + *
     1.9 + * Redistribution and use in source and binary forms, with or without
    1.10 + * modification, are permitted provided that the following conditions
    1.11 + * are met:
    1.12 + * 1. Redistributions of source code must retain the above copyright
    1.13 + *    notice, this list of conditions and the following disclaimer.
    1.14 + * 2. Redistributions in binary form must reproduce the above copyright
    1.15 + *    notice, this list of conditions and the following disclaimer in the
    1.16 + *    documentation and/or other materials provided with the distribution.
    1.17 + * 
    1.18 + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
    1.19 + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
    1.20 + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    1.21 + * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
    1.22 + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
    1.23 + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    1.24 + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    1.25 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
    1.26 + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
    1.27 + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    1.28 + * POSSIBILITY OF SUCH DAMAGE.
    1.29 + */
    1.30 +//Portions Copyright (c)  2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 
    1.31 +
    1.32 +#ifdef HAVE_CONFIG_H
    1.33 +#include "config.h"
    1.34 +#endif
    1.35 +
    1.36 +#include <liboil/liboilfunction.h>
    1.37 +#include <liboil/liboilclasses.h>
    1.38 +#include <math.h>
    1.39 +
    1.40 +/* XXX This gets more inaccurate as N increases */
    1.41 +static void
    1.42 +sincos_f64_i20_fast(double *dest_sin, double *dest_cos, int n, double *offset,
    1.43 +    double *interval)
    1.44 +{
    1.45 +	int i;
    1.46 +	double c,s,dc,ds,temp_s,temp_c;
    1.47 +
    1.48 +	dest_sin[0] = s = sin(*offset);
    1.49 +	dest_cos[0] = c = cos(*offset);
    1.50 +	ds = sin(*interval);
    1.51 +	dc = cos(*interval);
    1.52 +	for(i=1;i<n;i++){
    1.53 +		temp_s = s*dc + c*ds;
    1.54 +		temp_c = c*dc - s*ds;
    1.55 +		dest_sin[i] = s = temp_s;
    1.56 +		dest_cos[i] = c = temp_c;
    1.57 +	}
    1.58 +}
    1.59 +OIL_DEFINE_IMPL (sincos_f64_i20_fast, sincos_f64);
    1.60 +
    1.61 +#ifdef HAVE_SINCOS
    1.62 +static void
    1.63 +sincos_f64_sincos (double *dest_sin, double *dest_cos, int n, double *offset,
    1.64 +    double *interval)
    1.65 +{
    1.66 +	int i;
    1.67 +
    1.68 +	for(i=0;i<n;i++){
    1.69 +          sincos (*offset + *interval * i, dest_sin + i, dest_cos + i);
    1.70 +	}
    1.71 +}
    1.72 +OIL_DEFINE_IMPL (sincos_f64_sincos, sincos_f64);
    1.73 +#endif
    1.74 +
    1.75 +
    1.76 +
    1.77 +#ifdef	__SYMBIAN32__
    1.78 + 
    1.79 +OilFunctionImpl* __oil_function_impl_sincos_f64_i20_fast() {
    1.80 +		return &_oil_function_impl_sincos_f64_i20_fast;
    1.81 +}
    1.82 +#endif
    1.83 +#if 0
    1.84 +#ifdef	__SYMBIAN32__
    1.85 + 
    1.86 +OilFunctionImpl* __oil_function_impl_sincos_f64_sincos() {
    1.87 +		return &_oil_function_impl_sincos_f64_sincos;
    1.88 +}
    1.89 +#endif
    1.90 +#endif
    1.91 +