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authorjcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5>2006-08-03 04:51:51 +0000
committerjcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5>2006-08-03 04:51:51 +0000
commit5d69a524f81f234b3fbc41d49ba18d6f6886baba (patch)
treeb71312bf7f1e8d10fef0f3ac6f28784065e73e72 /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.cc67
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
+}