diff options
| author | Johnathan Corgan <johnathan@corganlabs.com> | 2015-09-05 18:05:13 -0700 |
|---|---|---|
| committer | Johnathan Corgan <johnathan@corganlabs.com> | 2015-09-05 18:05:13 -0700 |
| commit | 24c336cd99d8012681d40ccb00b1966e3c28450f (patch) | |
| tree | 45cf228c11a1669f0e62bee13e3efbad17fcd4bd /gnuradio-runtime/python | |
| parent | 273e5068d6d418eebb77dc0b5e15da20018bb90f (diff) | |
| parent | 45c0feeaeffde561758a4d92bf4463d60b85633a (diff) | |
Merge branch 'master' into next
Conflicts:
gr-atsc/lib/qa_atsci_fake_single_viterbi.cc
gr-atsc/lib/qa_atsci_fs_correlator.cc
gr-atsc/lib/qa_atsci_single_viterbi.cc
Diffstat (limited to 'gnuradio-runtime/python')
| -rw-r--r-- | gnuradio-runtime/python/gnuradio/gr/qa_random.py | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/gnuradio-runtime/python/gnuradio/gr/qa_random.py b/gnuradio-runtime/python/gnuradio/gr/qa_random.py new file mode 100644 index 0000000000..83fee56181 --- /dev/null +++ b/gnuradio-runtime/python/gnuradio/gr/qa_random.py @@ -0,0 +1,64 @@ +#!/usr/bin/env python +# +# Copyright 2006,2007,2010,2015 Free Software Foundation, Inc. +# +# This file is part of GNU Radio +# +# GNU Radio is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3, or (at your option) +# any later version. +# +# GNU Radio is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GNU Radio; see the file COPYING. If not, write to +# the Free Software Foundation, Inc., 51 Franklin Street, +# Boston, MA 02110-1301, USA. +# + +from gnuradio import gr, gr_unittest +import numpy as np + +class test_random(gr_unittest.TestCase): + + # NOTE: For tests on the output distribution of the random numbers, see gnuradio-runtime/apps/evaluation_random_numbers.py. + + # Check for range [0,1) of uniform distributed random numbers + def test_1(self): + num_tests = 10000 + values = np.zeros(num_tests) + rndm = gr.random() + for k in range(num_tests): + values[k] = rndm.ran1() + for value in values: + self.assertLess(value, 1) + self.assertGreaterEqual(value, 0) + + # Check reseed method (init with time and seed as fix number) + def test_2(self): + num = 5 + + rndm0 = gr.random(42); # init with time + rndm1 = gr.random(42); # init with fix seed + for k in range(num): + x = rndm0.ran1(); + y = rndm1.ran1(); + self.assertEqual(x,y) + + x = np.zeros(num) + y = np.zeros(num) + rndm0 = gr.random(42); # init with fix seed 1 + for k in range(num): + x[k] = rndm0.ran1(); + rndm1.reseed(43); # init with fix seed 2 + for k in range(num): + y[k] = rndm0.ran1(); + for k in range(num): + self.assertNotEqual(x[k],y[k]) + +if __name__ == '__main__': + gr_unittest.run(test_random, "test_random.xml") |