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#!/usr/bin/env python
from gnuradio import gr, gr_unittest
from gnuradio import blocks
import gnuradio.dab as grdab
class qa_moving_sum(gr_unittest.TestCase):
"""
@brief Module test for the moving sum class.
This class implements a test bench to verify the corresponding C++ class.
"""
def setUp(self):
self.tb = gr.top_block()
def tearDown(self):
self.tb = None
def test_001_moving_sum_ff(self):
src_data = (0,1,3,3,-3.5,-7.7,2,2,3)
expected_result = (0,1,4,7,2.5,-8.2,-9.2,-3.7,7)
src = blocks.vector_source_f(src_data)
moving_sum = grdab.moving_sum_ff(3)
dst = blocks.vector_sink_f()
self.tb.connect(src, moving_sum)
self.tb.connect(moving_sum, dst)
self.tb.run()
result_data = dst.data()
self.assertFloatTuplesAlmostEqual(expected_result, result_data, 6)
def test_002_moving_sum_ff(self):
src_data = [float(i**3)*(7**-2) for i in range(-20,20)]
expected_result = [src_data[0]]+[src_data[i]+src_data[i-1] for i in range(1,40)]
src = blocks.vector_source_f(src_data)
moving_sum = grdab.moving_sum_ff(2)
dst = blocks.vector_sink_f()
self.tb.connect(src, moving_sum)
self.tb.connect(moving_sum, dst)
self.tb.run()
result_data = dst.data()
self.assertFloatTuplesAlmostEqual(expected_result, result_data, 4)
def test_001_moving_sum_cc(self):
src_data = (0j,1+0j,1j,-1+0j,0j,0j,0j,1+0j,1j,2+0j)
expected_result = (0j,1+0j,1+1j,1j,1j,1j,-1+1j,0j,1+1j,3+1j)
src = blocks.vector_source_c(src_data)
moving_sum = grdab.moving_sum_cc(5)
dst = blocks.vector_sink_c()
self.tb.connect(src, moving_sum)
self.tb.connect(moving_sum, dst)
self.tb.run()
result_data = dst.data()
self.assertComplexTuplesAlmostEqual(expected_result, result_data, 6)
def test_002_moving_sum_cc(self):
src_data = [float(i**3)*(7**-2)+0.5j*i for i in range(-20,20)]
expected_result = [src_data[0]]+[src_data[i]+src_data[i-1] for i in range(1,40)]
src = blocks.vector_source_c(src_data)
moving_sum = grdab.moving_sum_cc(2)
dst = blocks.vector_sink_c()
self.tb.connect(src, moving_sum)
self.tb.connect(moving_sum, dst)
self.tb.run()
result_data = dst.data()
self.assertComplexTuplesAlmostEqual(expected_result, result_data, 4)
if __name__ == '__main__':
gr_unittest.main()
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