134 lines
3.2 KiB
C
134 lines
3.2 KiB
C
/*
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* SpanDSP - a series of DSP components for telephony
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*
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* vector_float_tests.c
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*
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* Written by Steve Underwood <steveu@coppice.org>
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*
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* Copyright (C) 2006 Steve Underwood
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2, as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id: vector_float_tests.c,v 1.10 2008/09/16 15:21:52 steveu Exp $
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*/
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#if defined(HAVE_CONFIG_H)
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#include "config.h"
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <string.h>
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#include <audiofile.h>
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#include "spandsp.h"
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static double vec_dot_prod_dumb(const double x[], const double y[], int n)
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{
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int i;
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double z;
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z = 0.0;
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for (i = 0; i < n; i++)
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z += x[i]*y[i];
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return z;
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}
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/*- End of function --------------------------------------------------------*/
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static int test_vec_dot_prod(void)
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{
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int i;
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double x[100];
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double y[100];
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double zsa;
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double zsb;
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double ratio;
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for (i = 0; i < 99; i++)
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{
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x[i] = rand();
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y[i] = rand();
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}
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for (i = 1; i < 99; i++)
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{
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zsa = vec_dot_prod(x, y, i);
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zsb = vec_dot_prod_dumb(x, y, i);
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ratio = zsa/zsb;
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if (ratio < 0.9999 || ratio > 1.0001)
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{
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printf("vec_dot_prod() - %f %f\n", zsa, zsb);
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printf("Tests failed\n");
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exit(2);
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}
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}
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return 0;
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}
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/*- End of function --------------------------------------------------------*/
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static float vec_dot_prodf_dumb(const float x[], const float y[], int n)
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{
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int i;
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float z;
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z = 0.0;
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for (i = 0; i < n; i++)
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z += x[i]*y[i];
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return z;
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}
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/*- End of function --------------------------------------------------------*/
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static int test_vec_dot_prodf(void)
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{
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int i;
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float x[100];
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float y[100];
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float zsa;
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float zsb;
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float ratio;
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for (i = 0; i < 99; i++)
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{
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x[i] = rand();
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y[i] = rand();
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}
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for (i = 1; i < 99; i++)
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{
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zsa = vec_dot_prodf(x, y, i);
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zsb = vec_dot_prodf_dumb(x, y, i);
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ratio = zsa/zsb;
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if (ratio < 0.9999f || ratio > 1.0001f)
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{
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printf("vec_dot_prodf() - %e %e\n", zsa, zsb);
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printf("Tests failed\n");
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exit(2);
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}
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}
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return 0;
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}
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/*- End of function --------------------------------------------------------*/
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int main(int argc, char *argv[])
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{
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test_vec_dot_prod();
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test_vec_dot_prodf();
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printf("Tests passed.\n");
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return 0;
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}
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/*- End of function --------------------------------------------------------*/
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/*- End of file ------------------------------------------------------------*/
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