From 5c7b8118d4d0f8413d64933cabec84b18cdaf193 Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Mon, 25 Feb 2013 21:16:19 -0500
Subject: blocks: moved transcendental block to gr-blocks.
---
gr-blocks/python/qa_transcendental.py | 90 +++++++++++++++++++++++++++++++++++
1 file changed, 90 insertions(+)
create mode 100644 gr-blocks/python/qa_transcendental.py
(limited to 'gr-blocks/python/qa_transcendental.py')
diff --git a/gr-blocks/python/qa_transcendental.py b/gr-blocks/python/qa_transcendental.py
new file mode 100644
index 0000000000..8174f79630
--- /dev/null
+++ b/gr-blocks/python/qa_transcendental.py
@@ -0,0 +1,90 @@
+#!/usr/bin/env python
+#
+# Copyright 2013 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.
+#
+
+from gnuradio import gr, gr_unittest
+import blocks_swig as blocks
+import math
+
+class test_transcendental(gr_unittest.TestCase):
+
+ def setUp(self):
+ self.tb = gr.top_block()
+
+ def tearDown(self):
+ self.tb = None
+
+ def test_01(self):
+ tb = self.tb
+
+ data = 100*[0,]
+ expected_result = 100*[1,]
+
+ src = gr.vector_source_f(data, False)
+ op = blocks.transcendental("cos", "float")
+ dst = gr.vector_sink_f()
+
+ tb.connect(src, op)
+ tb.connect(op, dst)
+ tb.run()
+
+ dst_data = dst.data()
+
+ self.assertFloatTuplesAlmostEqual(expected_result, dst_data, 5)
+
+ def test_02(self):
+ tb = self.tb
+
+ data = 100*[3,]
+ expected_result = 100*[math.log10(3),]
+
+ src = gr.vector_source_f(data, False)
+ op = blocks.transcendental("log10", "float")
+ dst = gr.vector_sink_f()
+
+ tb.connect(src, op)
+ tb.connect(op, dst)
+ tb.run()
+
+ dst_data = dst.data()
+
+ self.assertFloatTuplesAlmostEqual(expected_result, dst_data, 5)
+
+ def test_03(self):
+ tb = self.tb
+
+ data = 100*[3,]
+ expected_result = 100*[math.tanh(3),]
+
+ src = gr.vector_source_f(data, False)
+ op = blocks.transcendental("tanh", "float")
+ dst = gr.vector_sink_f()
+
+ tb.connect(src, op)
+ tb.connect(op, dst)
+ tb.run()
+
+ dst_data = dst.data()
+
+ self.assertFloatTuplesAlmostEqual(expected_result, dst_data, 5)
+
+if __name__ == '__main__':
+ gr_unittest.run(test_transcendental, "test_transcendental.xml")
--
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