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#!/usr/bin/env python
#
# Copyright 2011-2013 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
#
import random
from gnuradio import gr, gr_unittest, digital, blocks
class test_binary_slicer_fb(gr_unittest.TestCase):
def setUp(self):
random.seed(0)
self.tb = gr.top_block()
def tearDown(self):
self.tb = None
def test_binary_slicer_fb(self):
expected_result = (0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1)
src_data = (-1, 1, -1, -1, 1, 1, -1, -1, -1, 1, 1, 1, -1, 1, 1, 1, 1)
src_data = [s + (1 - random.random())
for s in src_data] # add some noise
src = blocks.vector_source_f(src_data)
op = digital.binary_slicer_fb()
dst = blocks.vector_sink_b()
self.tb.connect(src, op)
self.tb.connect(op, dst)
self.tb.run() # run the graph and wait for it to finish
actual_result = dst.data() # fetch the contents of the sink
# print "actual result", actual_result
# print "expected result", expected_result
self.assertFloatTuplesAlmostEqual(expected_result, actual_result)
if __name__ == '__main__':
gr_unittest.run(test_binary_slicer_fb)
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