update to snapshot spandsp-20080920.tar.gz

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@9771 d0543943-73ff-0310-b7d9-9358b9ac24b2
2025-08-13 01:26:58 +00:00 · 2008-10-01 04:06:53 +00:00
parent 2825fb6e5b
commit 738c0fc1dd
12 changed files with 1418 additions and 30 deletions
--- a/libs/spandsp/tests/complex_vector_float_tests.c
+++ b/libs/spandsp/tests/complex_vector_float_tests.c
@@ -0,0 +1,99 @@
+/*
+ * SpanDSP - a series of DSP components for telephony
+ *
+ * complex_vector_float_tests.c
+ *
+ * Written by Steve Underwood <steveu@coppice.org>
+ *
+ * Copyright (C) 2006,2008 Steve Underwood
+ *
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * $Id: complex_vector_float_tests.c,v 1.1 2008/09/18 12:05:35 steveu Exp $
+ */
+
+#if defined(HAVE_CONFIG_H)
+#include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <string.h>
+#include <audiofile.h>
+
+#include "spandsp.h"
+
+static complexf_t cvec_dot_prodf_dumb(const complexf_t x[], const complexf_t y[], int n)
+{
+    int i;
+    complexf_t z;
+    complexf_t z1;
+
+    z = complex_setf(0.0f, 0.0f);
+    for (i = 0;  i < n;  i++)
+    {
+        z1 = complex_mulf(&x[i], &y[i]);
+        z = complex_addf(&z, &z1);
+    }
+    return z;
+}
+/*- End of function --------------------------------------------------------*/
+
+static int test_cvec_dot_prodf(void)
+{
+    int i;
+    complexf_t x[100];
+    complexf_t y[100];
+    complexf_t zsa;
+    complexf_t zsb;
+    complexf_t ratio;
+
+    for (i = 0;  i < 99;  i++)
+    {
+        x[i].re = rand();
+        x[i].im = rand();
+        y[i].re = rand();
+        y[i].im = rand();
+    }
+    for (i = 1;  i < 99;  i++)
+    {
+        zsa = cvec_dot_prodf(x, y, i);
+        zsb = cvec_dot_prodf_dumb(x, y, i);
+        ratio.re = zsa.re/zsb.re;
+        ratio.im = zsa.im/zsb.im;
+        if ((ratio.re < 0.9999  ||  ratio.re > 1.0001)
+            ||
+            (ratio.im < 0.9999  ||  ratio.im > 1.0001))
+        {
+            printf("vec_dot_prod() - (%f,%f) (%f,%f)\n", zsa.re, zsa.im, zsb.re, zsb.im);
+            printf("Tests failed\n");
+            exit(2);
+        }
+    }
+    return 0;
+}
+/*- End of function --------------------------------------------------------*/
+
+int main(int argc, char *argv[])
+{
+    test_cvec_dot_prodf();
+
+    printf("Tests passed.\n");
+    return 0;
+}
+/*- End of function --------------------------------------------------------*/
+/*- End of file ------------------------------------------------------------*/