def test_004(self):
''' Test impulse response - short form, ff '''
src_data = [1,] + 100*[0,]
expected_result = ((-0.029296875), (-0.0302734375),
(0.96875), (-0.0302734375),
(-0.029296875))
src = blocks.vector_source_f(src_data)
op = filter.dc_blocker_ff(32, False)
dst = blocks.vector_sink_f()
self.tb.connect (src, op, dst)
self.tb.run()
# only test samples around D-1
result_data = dst.data()[29:34]
self.assertFloatTuplesAlmostEqual (expected_result, result_data)
def test_003(self):
''' Test impulse response - long form, ff '''
src_data = [1,] + 100*[0,]
expected_result = ((-0.02072429656982422), (-0.02081298828125),
(0.979156494140625), (-0.02081298828125),
(-0.02072429656982422))
src = blocks.vector_source_f(src_data)
op = filter.dc_blocker_ff(32, True)
dst = blocks.vector_sink_f()
self.tb.connect (src, op, dst)
self.tb.run()
# only test samples around 2D-2
result_data = dst.data()[60:65]
self.assertFloatTuplesAlmostEqual (expected_result, result_data)
def test_004(self):
''' Test impulse response - short form, ff '''
src_data = [
1,
] + 100 * [
0,
]
expected_result = ((-0.029296875), (-0.0302734375), (0.96875),
(-0.0302734375), (-0.029296875))
src = blocks.vector_source_f(src_data)
op = filter.dc_blocker_ff(32, False)
dst = blocks.vector_sink_f()
self.tb.connect(src, op, dst)
self.tb.run()
# only test samples around D-1
result_data = dst.data()[29:34]
self.assertFloatTuplesAlmostEqual(expected_result, result_data)
def test_003(self):
''' Test impulse response - long form, ff '''
src_data = [
1,
] + 100 * [
0,
]
expected_result = ((-0.02072429656982422), (-0.02081298828125),
(0.979156494140625), (-0.02081298828125),
(-0.02072429656982422))
src = blocks.vector_source_f(src_data)
op = filter.dc_blocker_ff(32, True)
dst = blocks.vector_sink_f()
self.tb.connect(src, op, dst)
self.tb.run()
# only test samples around 2D-2
result_data = dst.data()[60:65]
self.assertFloatTuplesAlmostEqual(expected_result, result_data)
