forked from Mirrors/freeswitch
80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
/*
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* SpanDSP - a series of DSP components for telephony
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*
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* complex.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) 2008 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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/*! \page complex_tests_page Complex arithmetic tests
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\section complex_tests_page_sec_1 What does it do?
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\section complex_tests_page_sec_2 How is it used?
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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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#if defined(HAVE_TGMATH_H)
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#include <tgmath.h>
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#endif
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#if defined(HAVE_MATH_H)
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#include <math.h>
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#endif
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#include "floating_fudge.h"
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#include <assert.h>
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#include "spandsp.h"
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int main(int argc, char *argv[])
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{
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complexf_t fa;
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complexf_t fb;
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complexf_t fz;
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complexi16_t i16a;
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complexi16_t i16b;
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complexi16_t i16z;
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#if 0
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complexi32_t i32a;
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complexi32_t i32b;
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complexi32_t i32z;
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#endif
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fa = complex_setf(0.5f, 0.25f);
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fb = complex_setf(0.25f, 0.5f);
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fz = complex_mulf(&fa, &fb);
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printf("(%f, %f) * (%f, %f) => (%f, %f)\n", fa.re, fa.im, fb.re, fb.im, fz.re, fz.im);
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i16a = complex_seti16(16383, 8191);
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i16b = complex_seti16(8191, 16383);
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i16z = complex_mul_q1_15(&i16a, &i16b);
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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);
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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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