From 3d38e82e7d87dfc01132b199e33b53add8a706fa Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Fri, 15 Mar 2013 20:49:05 -0400
Subject: 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.
---
gr-atsc/lib/qa_convolutional_interleaver.cc | 131 ++++++++++++++++++++++++++++
1 file changed, 131 insertions(+)
create mode 100644 gr-atsc/lib/qa_convolutional_interleaver.cc
(limited to 'gr-atsc/lib/qa_convolutional_interleaver.cc')
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++)));
+ }
+}
--
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