def test_fmdet_cf_001(self):
# Test set/gets
fh1 = 10
fh2 = 20
fl1 = 1
fl2 = 2
scale1 = 3
scale2 = 4
op = analog.fmdet_cf(1, fl1, fh1, scale1)
op.set_freq_range(fl2, fh2)
lo = op.freq_low()
hi = op.freq_high()
f = op.freq()
self.assertEqual(fl2, lo)
self.assertEqual(fh2, hi)
self.assertEqual(0, f)
op.set_scale(scale2)
s = op.scale()
b = op.bias()
eb = 0.5*scale2*(hi + lo) / (hi - lo);
self.assertEqual(scale2, s)
self.assertAlmostEqual(eb, b)
def est_fmdet_cf_002(self):
N = 100
src = analog.sig_source_c(1, analog.GR_SIN_WAVE, 0.2, 1)
head = blocks.head(gr.sizeof_gr_complex, N)
op = analog.fmdet_cf(1, 0.1, 0.3, 0.1)
dst = blocks.vector_sink_f()
self.tb.connect(src, head, op)
self.tb.connect(op, dst)
self.tb.run()
result_data = dst.data()[4:N]
expected_result = (100-4)*[-0.21755,]
self.assertFloatTuplesAlmostEqual(expected_result, result_data, 4)
