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#!/usr/bin/env python
#
# Copyright 2004,2007,2010,2013 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, digital, blocks
class test_diff_phasor(gr_unittest.TestCase):
def setUp(self):
self.tb = gr.top_block()
def tearDown(self):
self.tb = None
def test_diff_phasor_cc(self):
src_data = (0 + 0j, 1 + 0j, -1 + 0j, 3 + 4j, -3 - 4j, -3 + 4j)
expected_result = (0 + 0j, 0 + 0j, -1 + 0j, -
3 - 4j, -25 + 0j, -7 - 24j)
src = blocks.vector_source_c(src_data)
op = digital.diff_phasor_cc()
dst = blocks.vector_sink_c()
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
self.assertComplexTuplesAlmostEqual(expected_result, actual_result)
if __name__ == '__main__':
gr_unittest.run(test_diff_phasor)
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