--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/liboil/src/dct/fdct8x8_f64.c Tue Aug 31 16:54:36 2010 +0300
@@ -0,0 +1,202 @@
+/*
+ * LIBOIL - Library of Optimized Inner Loops
+ * Copyright (c) 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/liboilfunction.h>
+#include <liboil/liboilfuncs.h>
+#include "liboil/dct/dct.h"
+#include <math.h>
+
+
+/**
+ * oil_fdct8x8_f64:
+ * @d_8x8:
+ * @dstr:
+ * @s_8x8:
+ * @sstr:
+ *
+ * Performs a 2-D Forward Discrete Cosine Transform on @s_8x8 and places
+ * the result in @d_8x8.
+ */
+OIL_DEFINE_CLASS(fdct8x8_f64,
+ "double *d_8x8, int dstr, double *s_8x8, int sstr");
+
+
+static void
+fdct8x8_f64_ref(double *dest, int dstr, const double *src, int sstr)
+{
+ static double fdct_coeff[8][8];
+ static int fdct_coeff_init = 0;
+ int i,j,k,l;
+ double tmp1,tmp2;
+
+ if(!fdct_coeff_init){
+ double scale;
+
+ for(i=0;i<8;i++){
+ scale = (i==0) ? sqrt(0.125) : 0.5;
+ for(j=0;j<8;j++){
+ fdct_coeff[j][i] = scale *
+ cos((M_PI/8)*i*(j+0.5));
+ }
+ }
+ fdct_coeff_init = 1;
+ }
+
+ for(i=0;i<8;i++){
+ for(j=0;j<8;j++){
+ tmp1 = 0;
+ for(k=0;k<8;k++){
+ tmp2 = 0;
+ for(l=0;l<8;l++){
+ tmp2 += fdct_coeff[l][j] *
+ OIL_GET (src, sstr*k + l * sizeof(double),
+ double);
+ }
+ tmp1 += fdct_coeff[k][i] * tmp2;
+ }
+ OIL_GET (dest, dstr*i + j*sizeof(double), double) =
+ tmp1;
+ }
+ }
+}
+
+OIL_DEFINE_IMPL_REF (fdct8x8_f64_ref, fdct8x8_f64);
+
+static void
+fdct8x8_f64_ref2(double *dest, int dstr, const double *src, int sstr)
+{
+ static double fdct_coeff[8][8];
+ static int fdct_coeff_init = 0;
+ int i,j,k;
+ double x;
+ double tmp[64];
+
+ if(!fdct_coeff_init){
+ double scale;
+
+ for(i=0;i<8;i++){
+ scale = (i==0) ? sqrt(0.125) : 0.5;
+ for(j=0;j<8;j++){
+ fdct_coeff[j][i] = scale *
+ cos((M_PI/8)*i*(j+0.5));
+ }
+ }
+ fdct_coeff_init = 1;
+ }
+
+ for(i=0;i<8;i++){
+ for(j=0;j<8;j++){
+ x = 0;
+ for(k=0;k<8;k++){
+ x += fdct_coeff[k][j] *
+ OIL_GET (src, sstr*i + k * sizeof(double), double);
+ }
+ tmp[8*i+j] = x;
+ }
+ }
+
+ for(j=0;j<8;j++){
+ for(i=0;i<8;i++){
+ x = 0;
+ for(k=0;k<8;k++){
+ x += fdct_coeff[k][i] * tmp[8*k + j];
+ }
+ OIL_GET (dest,dstr*i+j*sizeof(double), double) = x;
+ }
+ }
+}
+
+OIL_DEFINE_IMPL (fdct8x8_f64_ref2, fdct8x8_f64);
+
+#ifdef oil_fdct8_f64
+static void
+fdct8x8_f64_1d (double *dest, int dstr, const double *src, int sstr)
+{
+ int i;
+ double tmp[64];
+
+ for(i=0;i<8;i++){
+ oil_fdct8_f64(tmp + i*8, OIL_OFFSET(src,sstr*i),
+ sizeof (double), sizeof(double));
+ }
+
+ for(i=0;i<8;i++){
+ oil_fdct8_f64(dest + i, tmp + i,
+ dstr, 8*sizeof(double));
+ }
+}
+OIL_DEFINE_IMPL (fdct8x8_f64_1d, fdct8x8_f64);
+#endif
+
+
+
+
+#ifdef __SYMBIAN32__
+
+OilFunctionClass* __oil_function_class_fdct8x8_f64() {
+ return &_oil_function_class_fdct8x8_f64;
+}
+#endif
+
+
+
+#ifdef __SYMBIAN32__
+
+OilFunctionImpl* __oil_function_impl_fdct8x8_f64_ref() {
+ return &_oil_function_impl_fdct8x8_f64_ref;
+}
+#endif
+
+#ifdef __SYMBIAN32__
+
+OilFunctionImpl* __oil_function_impl_fdct8x8_f64_ref2() {
+ return &_oil_function_impl_fdct8x8_f64_ref2;
+}
+#endif
+
+#ifdef __SYMBIAN32__
+
+OilFunctionImpl* __oil_function_impl_fdct8x8_f64_1d() {
+ return &_oil_function_impl_fdct8x8_f64_1d;
+}
+#endif
+
+
+
+#ifdef __SYMBIAN32__
+
+EXPORT_C void** _oil_function_class_ptr_fdct8x8_f64 () {
+ oil_function_class_ptr_fdct8x8_f64 = __oil_function_class_fdct8x8_f64();
+ return &oil_function_class_ptr_fdct8x8_f64->func;
+ }
+#endif
+