diff options
| author | jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5> | 2006-08-03 04:51:51 +0000 |
|---|---|---|
| committer | jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5> | 2006-08-03 04:51:51 +0000 |
| commit | 5d69a524f81f234b3fbc41d49ba18d6f6886baba (patch) | |
| tree | b71312bf7f1e8d10fef0f3ac6f28784065e73e72 /gr-atsc/src/lib/qa_atsci_basic_trellis_encoder.cc | |
Houston, we have a trunk.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@3122 221aa14e-8319-0410-a670-987f0aec2ac5
Diffstat (limited to 'gr-atsc/src/lib/qa_atsci_basic_trellis_encoder.cc')
| -rw-r--r-- | gr-atsc/src/lib/qa_atsci_basic_trellis_encoder.cc | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/gr-atsc/src/lib/qa_atsci_basic_trellis_encoder.cc b/gr-atsc/src/lib/qa_atsci_basic_trellis_encoder.cc new file mode 100644 index 0000000000..c6212f30d6 --- /dev/null +++ b/gr-atsc/src/lib/qa_atsci_basic_trellis_encoder.cc @@ -0,0 +1,67 @@ +/* -*- 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 2, 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <cppunit/TestAssert.h> +#include <qa_atsci_basic_trellis_encoder.h> +#include <stdlib.h> +#include <stdio.h> + +void +qa_atsci_basic_trellis_encoder::t0 () +{ + const static unsigned char in[14] = { + 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 2, 3 + }; + + const static unsigned char expected_out[14] = { + 0, 2, 3, 1, 1, 3, 0, 1, 2, 0, 0, 2, 5, 2 + }; + + for (unsigned i = 0; i < sizeof (in); i++) + CPPUNIT_ASSERT_EQUAL ((int) expected_out[i], enc.encode (in[i])); + + // reset encoder and test again. + + enc.reset (); + for (unsigned i = 0; i < sizeof (in); i++) + CPPUNIT_ASSERT_EQUAL ((int) expected_out[i], enc.encode (in[i])); +} + + +void +qa_atsci_basic_trellis_encoder::t1 () +{ + // Print data to externally check distribution. + // looks OK. +#if 0 + srandom (27); + + for (int i = 0; i < 8192; i++){ + int t = (random () >> 10) & 0x3; // 2 random bits + printf ("%d %d\n", t, enc.encode (t)); + } +#endif +} |