Mercurial > hg > audiostuff
comparison spandsp-0.0.3/spandsp-0.0.3/tests/vector_float_tests.c @ 5:f762bf195c4b
import spandsp-0.0.3
| author | Peter Meerwald <pmeerw@cosy.sbg.ac.at> |
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| date | Fri, 25 Jun 2010 16:00:21 +0200 |
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| 4:26cd8f1ef0b1 | 5:f762bf195c4b |
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| 1 /* | |
| 2 * SpanDSP - a series of DSP components for telephony | |
| 3 * | |
| 4 * vector_float_tests.c | |
| 5 * | |
| 6 * Written by Steve Underwood <steveu@coppice.org> | |
| 7 * | |
| 8 * Copyright (C) 2006 Steve Underwood | |
| 9 * | |
| 10 * All rights reserved. | |
| 11 * | |
| 12 * This program is free software; you can redistribute it and/or modify | |
| 13 * it under the terms of the GNU General Public License version 2, as | |
| 14 * published by the Free Software Foundation. | |
| 15 * | |
| 16 * This program is distributed in the hope that it will be useful, | |
| 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 19 * GNU General Public License for more details. | |
| 20 * | |
| 21 * You should have received a copy of the GNU General Public License | |
| 22 * along with this program; if not, write to the Free Software | |
| 23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
| 24 * | |
| 25 * $Id: vector_float_tests.c,v 1.4 2006/11/19 14:07:28 steveu Exp $ | |
| 26 */ | |
| 27 | |
| 28 #ifdef HAVE_CONFIG_H | |
| 29 #include "config.h" | |
| 30 #endif | |
| 31 | |
| 32 #include <inttypes.h> | |
| 33 #include <stdlib.h> | |
| 34 #include <stdio.h> | |
| 35 #include <fcntl.h> | |
| 36 #include <string.h> | |
| 37 #if defined(HAVE_TGMATH_H) | |
| 38 #include <tgmath.h> | |
| 39 #endif | |
| 40 #if defined(HAVE_MATH_H) | |
| 41 #include <math.h> | |
| 42 #endif | |
| 43 #include <assert.h> | |
| 44 #include <audiofile.h> | |
| 45 #include <tiffio.h> | |
| 46 | |
| 47 #include "spandsp.h" | |
| 48 | |
| 49 static double vec_dot_prod_dumb(const double x[], const double y[], int n) | |
| 50 { | |
| 51 int i; | |
| 52 double z; | |
| 53 | |
| 54 z = 0.0; | |
| 55 for (i = 0; i < n; i++) | |
| 56 z += x[i]*y[i]; | |
| 57 return z; | |
| 58 } | |
| 59 /*- End of function --------------------------------------------------------*/ | |
| 60 | |
| 61 int main(int argc, char *argv[]) | |
| 62 { | |
| 63 int i; | |
| 64 double x[100]; | |
| 65 double y[100]; | |
| 66 double zsa; | |
| 67 double zsb; | |
| 68 | |
| 69 for (i = 0; i < 99; i++) | |
| 70 { | |
| 71 x[i] = rand(); | |
| 72 y[i] = rand(); | |
| 73 } | |
| 74 zsa = vec_dot_prod(x, y, 99); | |
| 75 zsb = vec_dot_prod_dumb(x, y, 99); | |
| 76 if (zsa != zsb) | |
| 77 { | |
| 78 printf("Tests failed\n"); | |
| 79 exit(2); | |
| 80 } | |
| 81 | |
| 82 printf("Tests passed.\n"); | |
| 83 return 0; | |
| 84 } | |
| 85 /*- End of function --------------------------------------------------------*/ | |
| 86 /*- End of file ------------------------------------------------------------*/ |