diff spandsp-0.0.6pre17/tests/complex_tests.c @ 4:26cd8f1ef0b1

import spandsp-0.0.6pre17
author Peter Meerwald <pmeerw@cosy.sbg.ac.at>
date Fri, 25 Jun 2010 15:50:58 +0200
parents
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/spandsp-0.0.6pre17/tests/complex_tests.c	Fri Jun 25 15:50:58 2010 +0200
@@ -0,0 +1,81 @@
+/*
+ * SpanDSP - a series of DSP components for telephony
+ *
+ * complex.c
+ *
+ * Written by Steve Underwood <steveu@coppice.org>
+ *
+ * Copyright (C) 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_tests.c,v 1.2 2009/01/28 03:41:27 steveu Exp $
+ */
+
+/*! \page complex_tests_page Complex arithmetic tests
+\section complex_tests_page_sec_1 What does it do?
+
+\section complex_tests_page_sec_2 How is it used?
+*/
+
+#if defined(HAVE_CONFIG_H)
+#include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <string.h>
+#if defined(HAVE_TGMATH_H)
+#include <tgmath.h>
+#endif
+#if defined(HAVE_MATH_H)
+#include <math.h>
+#endif
+#include "floating_fudge.h"
+#include <assert.h>
+
+#include "spandsp.h"
+
+int main(int argc, char *argv[])
+{
+    complexf_t fa;
+    complexf_t fb;
+    complexf_t fz;
+    complexi16_t i16a;
+    complexi16_t i16b;
+    complexi16_t i16z;
+#if 0
+    complexi32_t i32a;
+    complexi32_t i32b;
+    complexi32_t i32z;
+#endif
+
+    fa = complex_setf(0.5f, 0.25f);
+    fb = complex_setf(0.25f, 0.5f);
+    fz = complex_mulf(&fa, &fb);
+    printf("(%f, %f) * (%f, %f) => (%f, %f)\n", fa.re, fa.im,  fb.re, fb.im,  fz.re, fz.im);
+
+    i16a = complex_seti16(16383, 8191);
+    i16b = complex_seti16(8191, 16383);
+    i16z = complex_mul_q1_15(&i16a, &i16b);
+    printf("(%f, %f) * (%f, %f) => (%f, %f)\n", i16a.re/32768.0, i16a.im/32768.0,  i16b.re/32768.0, i16b.im/32768.0,  i16z.re/32768.0, i16z.im/32768.0);
+
+    printf("Tests passed.\n");
+    return 0;
+}
+/*- End of function --------------------------------------------------------*/
+/*- End of file ------------------------------------------------------------*/

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