diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2013-04-17 13:43:52 -0400 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2013-04-29 14:52:56 -0400 |
| commit | f3e2e07201c50033bf6c9d0c6a6f068557b4f17f (patch) | |
| tree | 140b3c2d20a951ffd4abd564c3378ee2e2f9fc7c /gnuradio-runtime/lib/math/qa_math.cc | |
| parent | 35303ae975a5b1bdecc2492bc96e2b8e89b62a3d (diff) | |
runtime: converting runtime core to gr namespace, gnuradio include dir.
Diffstat (limited to 'gnuradio-runtime/lib/math/qa_math.cc')
| -rw-r--r-- | gnuradio-runtime/lib/math/qa_math.cc | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/gnuradio-runtime/lib/math/qa_math.cc b/gnuradio-runtime/lib/math/qa_math.cc new file mode 100644 index 0000000000..1fb43cc67f --- /dev/null +++ b/gnuradio-runtime/lib/math/qa_math.cc @@ -0,0 +1,105 @@ +/* + * Copyright 2008 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. + */ + +#include <gnuradio/math.h> +#include <qa_math.h> +#include <cppunit/TestAssert.h> +#include <stdio.h> + +void +qa_math::test_binary_slicer1() +{ + float x[5] = {-1, -0.5, 0, 0.5, 1.0}; + unsigned int z[5] = {0, 0, 1, 1, 1}; + unsigned int y; + + //printf("\nBinary\n"); + for(unsigned int i = 0; i < 5; i++) { + y = gr::binary_slicer(x[i]); + //printf("in: %f out: %d desired: %d\n", x[i], y, z[i]); + + CPPUNIT_ASSERT_DOUBLES_EQUAL(y, z[i], 1e-9); + } + + //printf("\nBranchless Binary\n"); + for (unsigned int i = 0; i < 5; i++) { + y = gr::branchless_binary_slicer(x[i]); + //printf("in: %f out: %d desired: %d\n", x[i], y, z[i]); + + CPPUNIT_ASSERT_DOUBLES_EQUAL(y, z[i], 1e-9); + } +} + +void +qa_math::test_quad_0deg_slicer1() +{ + gr_complex x[4] = {gr_complex(1, 0), + gr_complex(0, 1), + gr_complex(-1, 0), + gr_complex(0, -1)}; + + unsigned int z[4] = {0, 1, 2, 3}; + unsigned int y; + + //printf("\nQuad0\n"); + for (unsigned int i = 0; i < 4; i++) { + y = gr::quad_0deg_slicer(x[i]); + //printf("in: %.4f+j%.4f out: %d desired: %d\n", x[i].real(), x[i].imag(), y, z[i]); + + CPPUNIT_ASSERT_DOUBLES_EQUAL(y, z[i], 1e-9); + } + + //printf("\nBranchless Quad0\n"); + for (unsigned int i = 0; i < 4; i++) { + y = gr::branchless_quad_0deg_slicer(x[i]); + //printf("in: %.4f+j%.4f out: %d desired: %d\n", x[i].real(), x[i].imag(), y, z[i]); + + CPPUNIT_ASSERT_DOUBLES_EQUAL(y, z[i], 1e-9); + } +} + +void +qa_math::test_quad_45deg_slicer1() +{ + gr_complex x[4] = {gr_complex(0.707, 0.707), + gr_complex(-0.707, 0.707), + gr_complex(-0.707, -0.707), + gr_complex(0.707, -0.707)}; + + unsigned int z[4] = {0, 1, 2, 3}; + unsigned int y; + + //printf("\nQuad45\n"); + for (unsigned int i = 0; i < 4; i++) { + y = gr::quad_45deg_slicer(x[i]); + //printf("in: %.4f+j%.4f out: %d desired: %d\n", x[i].real(), x[i].imag(), y, z[i]); + + CPPUNIT_ASSERT_DOUBLES_EQUAL(y, z[i], 1e-9); + } + + //printf("\nBranchless Quad45\n"); + for (unsigned int i = 0; i < 4; i++) { + y = gr::branchless_quad_45deg_slicer(x[i]); + //printf("in: %.4f+j%.4f out: %d desired: %d\n", x[i].real(), x[i].imag(), y, z[i]); + + CPPUNIT_ASSERT_DOUBLES_EQUAL(y, z[i], 1e-9); + } +} |