diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2013-03-15 20:49:05 -0400 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2013-03-15 20:49:05 -0400 |
| commit | 3d38e82e7d87dfc01132b199e33b53add8a706fa (patch) | |
| tree | af4545bcf3cea24dc30571601116a3a89381ad5d /gr-atsc/lib/qa_convolutional_interleaver.cc | |
| parent | 39ff6d4814c858f2dbaf3c8007940872c46d6c95 (diff) | |
atsc: adjustments to atsc to start to conform to v3.7 structure.
Not going to comply completely with the new structure; just wanted to get it so that it looked more consistent once installed.
Diffstat (limited to 'gr-atsc/lib/qa_convolutional_interleaver.cc')
| -rw-r--r-- | gr-atsc/lib/qa_convolutional_interleaver.cc | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/gr-atsc/lib/qa_convolutional_interleaver.cc b/gr-atsc/lib/qa_convolutional_interleaver.cc new file mode 100644 index 0000000000..c7b8494f1e --- /dev/null +++ b/gr-atsc/lib/qa_convolutional_interleaver.cc @@ -0,0 +1,131 @@ +/* -*- c++ -*- */ +/* + * Copyright 2002 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 <cppunit/TestAssert.h> +#include "qa_convolutional_interleaver.h" + +void +qa_convolutional_interleaver::t0 () +{ + static int input[16] = { + 1, 2, 3, 4, + 5, 6, 7, 8, + 9, 10, 11, 12, + 13, 14, 15, 16 + }; + + static int output[16] = { + 1, 0, 0, 0, + 5, 2, 0, 0, + 9, 6, 3, 0, + 13, 10, 7, 4 + }; + + // test interleaver + intl = new convolutional_interleaver<int>(true, 4, 1); + + for (int i = 0; i < 16; i++) + CPPUNIT_ASSERT_EQUAL (output[i], intl->transform (input[i])); +} + +void +qa_convolutional_interleaver::t1 () +{ + static int input[16] = { + 1, 0, 0, 0, + 5, 2, 0, 0, + 9, 6, 3, 0, + 13, 10, 7, 4 + }; + + static int output[16] = { + 0, 0, 0, 0, + 0, 0, 0, 0, + 0, 0, 0, 0, + 1, 2, 3, 4 + }; + + // test deinterleaver + intl = new convolutional_interleaver<int>(false, 4, 1); + + for (int i = 0; i < 16; i++) + CPPUNIT_ASSERT_EQUAL (output[i], intl->transform (input[i])); +} + +void +qa_convolutional_interleaver::t2 () +{ + intl = new convolutional_interleaver<int>(true, 4, 1); + deintl = new convolutional_interleaver<int>(false, 4, 1); + + int icount = 6000; + int dcount = 6000; + + int end_to_end_delay = intl->end_to_end_delay (); + for (int i = 0; i < end_to_end_delay; i++){ + CPPUNIT_ASSERT_EQUAL (0, deintl->transform (intl->transform (icount++))); + } + + for (int i = 0; i < 3 * end_to_end_delay; i++){ + CPPUNIT_ASSERT_EQUAL (dcount++, deintl->transform (intl->transform (icount++))); + } +} + +void +qa_convolutional_interleaver::t3 () +{ + intl = new convolutional_interleaver<int>(true, 4, 2); + deintl = new convolutional_interleaver<int>(false, 4, 2); + + int icount = 6000; + int dcount = 6000; + + int end_to_end_delay = intl->end_to_end_delay (); + for (int i = 0; i < end_to_end_delay; i++){ + CPPUNIT_ASSERT_EQUAL (0, deintl->transform (intl->transform (icount++))); + } + + for (int i = 0; i < 3 * end_to_end_delay; i++){ + CPPUNIT_ASSERT_EQUAL (dcount++, deintl->transform (intl->transform (icount++))); + } +} + +void +qa_convolutional_interleaver::t4 () +{ + intl = new convolutional_interleaver<int>(true, 52, 4); + deintl = new convolutional_interleaver<int>(false, 52, 4); + + int icount = 6000; + int dcount = 6000; + + int end_to_end_delay = intl->end_to_end_delay (); + CPPUNIT_ASSERT_EQUAL (10608, end_to_end_delay); + + for (int i = 0; i < end_to_end_delay; i++){ + CPPUNIT_ASSERT_EQUAL (0, deintl->transform (intl->transform (icount++))); + } + + for (int i = 0; i < 3 * end_to_end_delay; i++){ + CPPUNIT_ASSERT_EQUAL (dcount++, deintl->transform (intl->transform (icount++))); + } +} |