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