def test_002_bsc (self):
""" Test on unpacked data """
src = gr.glfsr_source_b(32) # Create some pseudo-random bits
head = gr.head(1, 10000)
bsc = chancoding.bsc_bb(0.3)
sink1 = gr.vector_sink_b()
sink2 = gr.vector_sink_b()
self.tb.connect(src, head, bsc, sink1)
self.tb.connect(head, sink2)
self.tb.run()
bits1 = sink1.data()
bits2 = sink2.data()
bit_errors = np.sum(np.abs(np.array(bits1) - np.array(bits2)))
self.assert_(bit_errors > 2500 and bit_errors < 3500,
"Due to the statistical nature of the bsc, this can actually fail (though very unlikely). Try again.")
def test_003_bsc_packed (self):
""" Test on packed data """
src = gr.glfsr_source_b(32) # Create some pseudo-random bits
packer = gr.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST)
head = gr.head(1, 8 * 1000)
bsc = chancoding.bsc_bb(0.5, 8)
unpacker = gr.packed_to_unpacked_bb(1, gr.GR_MSB_FIRST)
sink1 = gr.vector_sink_b()
sink2 = gr.vector_sink_b()
self.tb.connect(src, head, packer, bsc, unpacker, sink1)
self.tb.connect(head, sink2)
self.tb.run()
bits1 = sink1.data()
bits2 = sink2.data()
bit_errors = np.sum(np.abs(np.array(bits1) - np.array(bits2)))
self.assert_(bit_errors > 3500 and bit_errors < 4500,
"Due to the statistical nature of the bsc, this can actually fail (though very unlikely). Try again.")
def test_002_bsc(self):
""" Test on unpacked data """
src = gr.glfsr_source_b(32) # Create some pseudo-random bits
head = gr.head(1, 10000)
bsc = chancoding.bsc_bb(0.3)
sink1 = gr.vector_sink_b()
sink2 = gr.vector_sink_b()
self.tb.connect(src, head, bsc, sink1)
self.tb.connect(head, sink2)
self.tb.run()
bits1 = sink1.data()
bits2 = sink2.data()
bit_errors = np.sum(np.abs(np.array(bits1) - np.array(bits2)))
self.assert_(
bit_errors > 2500 and bit_errors < 3500,
"Due to the statistical nature of the bsc, this can actually fail (though very unlikely). Try again."
)
def test_003_bsc_packed(self):
""" Test on packed data """
src = gr.glfsr_source_b(32) # Create some pseudo-random bits
packer = gr.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST)
head = gr.head(1, 8 * 1000)
bsc = chancoding.bsc_bb(0.5, 8)
unpacker = gr.packed_to_unpacked_bb(1, gr.GR_MSB_FIRST)
sink1 = gr.vector_sink_b()
sink2 = gr.vector_sink_b()
self.tb.connect(src, head, packer, bsc, unpacker, sink1)
self.tb.connect(head, sink2)
self.tb.run()
bits1 = sink1.data()
bits2 = sink2.data()
bit_errors = np.sum(np.abs(np.array(bits1) - np.array(bits2)))
self.assert_(
bit_errors > 3500 and bit_errors < 4500,
"Due to the statistical nature of the bsc, this can actually fail (though very unlikely). Try again."
)
def test_001_exceptions(self):
""" Make sure the block fails appropriately """
self.assertRaises(ValueError, lambda: chancoding.bsc_bb(2))
self.assertRaises(ValueError, lambda: chancoding.bsc_bb(0.5, 9))
def test_001_exceptions(self):
""" Make sure the block fails appropriately """
self.assertRaises(ValueError, lambda: chancoding.bsc_bb(2))
self.assertRaises(ValueError, lambda: chancoding.bsc_bb(0.5, 9))