diff options
| author | Ben Reynwar <ben@reynwar.net> | 2013-05-19 02:55:33 -0700 |
|---|---|---|
| committer | Ben Reynwar <ben@reynwar.net> | 2013-05-19 02:55:33 -0700 |
| commit | bb01988e75d50d82cbb44c1a49c86c1d08f05665 (patch) | |
| tree | 0528dac14476d37f2cde7374a8fcb3428f879c69 /gnuradio-runtime/lib/math/qa_sincos.cc | |
| parent | e4f0319eced22c112f7e6a4cc45bc2036d285332 (diff) | |
| parent | 0fa219774dcf9141ae91204f948c029b05673f3f (diff) | |
Merged in next_docs branch.
Diffstat (limited to 'gnuradio-runtime/lib/math/qa_sincos.cc')
| -rw-r--r-- | gnuradio-runtime/lib/math/qa_sincos.cc | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/gnuradio-runtime/lib/math/qa_sincos.cc b/gnuradio-runtime/lib/math/qa_sincos.cc new file mode 100644 index 0000000000..7def8a9bb8 --- /dev/null +++ b/gnuradio-runtime/lib/math/qa_sincos.cc @@ -0,0 +1,68 @@ +/* -*- c++ -*- */ +/* + * Copyright 2012 Free Software Foundation, Inc. + * + * This file is part of GNU Radio + * + * GNU Radio is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3, or (at your option) + * any later version. + * + * GNU Radio 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 GNU Radio; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, + * Boston, MA 02110-1301, USA. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <qa_sincos.h> +#include <gnuradio/sincos.h> +#include <cppunit/TestAssert.h> +#include <cmath> + +void +qa_sincos::t1() +{ + static const unsigned int N = 1000; + double c_sin, c_cos; + double gr_sin, gr_cos; + + for(unsigned i = 0; i < N; i++) { + double x = i/100.0; + c_sin = sin(x); + c_cos = cos(x); + + gr::sincos(x, &gr_sin, &gr_cos); + + CPPUNIT_ASSERT_DOUBLES_EQUAL(c_sin, gr_sin, 0.0001); + CPPUNIT_ASSERT_DOUBLES_EQUAL(c_cos, gr_cos, 0.0001); + } +} + +void +qa_sincos::t2() +{ + static const unsigned int N = 1000; + float c_sin, c_cos; + float gr_sin, gr_cos; + + for(unsigned i = 0; i < N; i++) { + float x = i/100.0; + c_sin = sinf(x); + c_cos = cosf(x); + + gr::sincosf(x, &gr_sin, &gr_cos); + + CPPUNIT_ASSERT_DOUBLES_EQUAL(c_sin, gr_sin, 0.0001); + CPPUNIT_ASSERT_DOUBLES_EQUAL(c_cos, gr_cos, 0.0001); + } +} |