def test_002_correlation_b(self):
for degree in range(1,11): # Higher degrees take too long to correlate
src = digital.glfsr_source_b(degree, False)
b2f = digital.chunks_to_symbols_bf((-1.0,1.0), 1)
dst = blocks.vector_sink_f()
del self.tb # Discard existing top block
self.tb = gr.top_block()
self.tb.connect(src, b2f, dst)
self.tb.run()
self.tb.disconnect_all()
actual_result = dst.data()
R = auto_correlate(actual_result)
self.assertEqual(R[0], float(len(R))) # Auto-correlation peak at origin
for i in range(len(R)-1):
self.assertEqual(R[i+1], -1.0) # Auto-correlation minimum everywhere else
def test_002_correlation_b(self):
for degree in range(1,11): # Higher degrees take too long to correlate
src = digital.glfsr_source_b(degree, False)
b2f = digital.chunks_to_symbols_bf((-1.0,1.0), 1)
dst = gr.vector_sink_f()
del self.tb # Discard existing top block
self.tb = gr.top_block()
self.tb.connect(src, b2f, dst)
self.tb.run()
self.tb.disconnect_all()
actual_result = dst.data()
R = auto_correlate(actual_result)
self.assertEqual(R[0], float(len(R))) # Auto-correlation peak at origin
for i in range(len(R)-1):
self.assertEqual(R[i+1], -1.0) # Auto-correlation minimum everywhere else
def test_001_degree_b(self):
self.assertRaises(RuntimeError,
lambda: digital.glfsr_source_b(0))
self.assertRaises(RuntimeError,
lambda: digital.glfsr_source_b(33))
def test_000_make_b(self):
src = digital.glfsr_source_b(16)
self.assertEquals(src.mask(), 0x8016)
self.assertEquals(src.period(), 2**16-1)
def test_001_degree_b(self):
self.assertRaises(RuntimeError, lambda: digital.glfsr_source_b(0))
self.assertRaises(RuntimeError, lambda: digital.glfsr_source_b(33))
def test_000_make_b(self):
src = digital.glfsr_source_b(16)
self.assertEquals(src.mask(), 0x8016)
self.assertEquals(src.period(), 2**16 - 1)
