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#!/usr/bin/env python
#
# Copyright 2013 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
#
from gnuradio import gr, gr_unittest, 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 = blocks.vector_source_f(data, False)
op = blocks.transcendental("cos", "float")
dst = blocks.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 = blocks.vector_source_f(data, False)
op = blocks.transcendental("log10", "float")
dst = blocks.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 = blocks.vector_source_f(data, False)
op = blocks.transcendental("tanh", "float")
dst = blocks.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)
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