#!/usr/bin/env python
#
-# Copyright 2004 Free Software Foundation, Inc.
+# Copyright 2004,2007 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
class test_complex_ops (gr_unittest.TestCase):
def setUp (self):
- self.fg = gr.flow_graph ()
+ self.tb = gr.top_block ()
def tearDown (self):
- self.fg = None
+ self.tb = None
def test_complex_to_float_1 (self):
src_data = (0, 1, -1, 3+4j, -3-4j, -3+4j)
src = gr.vector_source_c (src_data)
op = gr.complex_to_float ()
dst = gr.vector_sink_f ()
- self.fg.connect (src, op)
- self.fg.connect (op, dst)
- self.fg.run () # run the graph and wait for it to finish
+ self.tb.connect (src, op)
+ self.tb.connect (op, dst)
+ self.tb.run () # run the graph and wait for it to finish
actual_result = dst.data () # fetch the contents of the sink
self.assertFloatTuplesAlmostEqual (expected_result, actual_result)
op = gr.complex_to_float ()
dst0 = gr.vector_sink_f ()
dst1 = gr.vector_sink_f ()
- self.fg.connect (src, op)
- self.fg.connect ((op, 0), dst0)
- self.fg.connect ((op, 1), dst1)
- self.fg.run ()
+ self.tb.connect (src, op)
+ self.tb.connect ((op, 0), dst0)
+ self.tb.connect ((op, 1), dst1)
+ self.tb.run ()
actual_result = dst0.data ()
self.assertFloatTuplesAlmostEqual (expected_result0, actual_result)
actual_result = dst1.data ()
src = gr.vector_source_c (src_data)
op = gr.complex_to_real ()
dst = gr.vector_sink_f ()
- self.fg.connect (src, op)
- self.fg.connect (op, dst)
- self.fg.run ()
+ self.tb.connect (src, op)
+ self.tb.connect (op, dst)
+ self.tb.run ()
actual_result = dst.data ()
self.assertFloatTuplesAlmostEqual (expected_result, actual_result)
src = gr.vector_source_c (src_data)
op = gr.complex_to_imag ()
dst = gr.vector_sink_f ()
- self.fg.connect (src, op)
- self.fg.connect (op, dst)
- self.fg.run ()
+ self.tb.connect (src, op)
+ self.tb.connect (op, dst)
+ self.tb.run ()
actual_result = dst.data ()
self.assertFloatTuplesAlmostEqual (expected_result, actual_result,5)
src = gr.vector_source_c (src_data)
op = gr.complex_to_mag ()
dst = gr.vector_sink_f ()
- self.fg.connect (src, op)
- self.fg.connect (op, dst)
- self.fg.run ()
+ self.tb.connect (src, op)
+ self.tb.connect (op, dst)
+ self.tb.run ()
actual_result = dst.data ()
self.assertFloatTuplesAlmostEqual (expected_result, actual_result,5)
src = gr.vector_source_c (src_data)
op = gr.complex_to_mag_squared ()
dst = gr.vector_sink_f ()
- self.fg.connect (src, op)
- self.fg.connect (op, dst)
- self.fg.run ()
+ self.tb.connect (src, op)
+ self.tb.connect (op, dst)
+ self.tb.run ()
actual_result = dst.data ()
self.assertFloatTuplesAlmostEqual (expected_result, actual_result,5)
def test_complex_to_arg (self):
pi = math.pi
- expected_result = (0, pi/6, pi/4, pi/2, 3*pi/4, 7*pi/8,
- -pi/6, -pi/4, -pi/2, -3*pi/4, -7*pi/8)
- src_data = tuple ([math.cos (x) + math.sin (x) * 1j for x in expected_result])
+ input_data = (0, pi/6, pi/4, pi/2, 3*pi/4, 7*pi/8,
+ -pi/6, -pi/4, -pi/2, -3*pi/4, -7*pi/8)
+
+ expected_result = (0.0, # 0
+ 0.52382522821426392, # pi/6
+ 0.78539806604385376, # pi/4
+ 1.5707963705062866, # pi/2
+ 2.3561947345733643, # 3pi/4
+ 2.7491819858551025, # 7pi/8
+ -0.52382522821426392, # -pi/6
+ -0.78539806604385376, # -pi/4
+ -1.5707963705062866, # -pi/2
+ -2.3561947345733643, # -3pi/4
+ -2.7491819858551025) # -7pi/8
+
+ src_data = tuple ([math.cos (x) + math.sin (x) * 1j for x in input_data])
src = gr.vector_source_c (src_data)
op = gr.complex_to_arg ()
dst = gr.vector_sink_f ()
- self.fg.connect (src, op)
- self.fg.connect (op, dst)
- self.fg.run ()
+ self.tb.connect (src, op)
+ self.tb.connect (op, dst)
+ self.tb.run ()
actual_result = dst.data ()
+
self.assertFloatTuplesAlmostEqual (expected_result, actual_result, 5)