diff options
| author | Johannes Demel <ufcsy@student.kit.edu> | 2015-09-25 20:24:18 +0200 |
|---|---|---|
| committer | Johannes Demel <ufcsy@student.kit.edu> | 2015-09-28 14:48:21 +0200 |
| commit | 44ef5e1c240b7d5aeac7ca6537c4b07f3cf606c5 (patch) | |
| tree | 576ba8429c5192c256dd7060d66167383a97bb23 /gnuradio-runtime/python | |
| parent | 222e0003f9797a1b92d64855bd2b93f0d9099f93 (diff) | |
random-analog: added new uniform integer distribution source
Diffstat (limited to 'gnuradio-runtime/python')
| -rw-r--r-- | gnuradio-runtime/python/gnuradio/gr/qa_random.py | 37 |
1 files changed, 26 insertions, 11 deletions
diff --git a/gnuradio-runtime/python/gnuradio/gr/qa_random.py b/gnuradio-runtime/python/gnuradio/gr/qa_random.py index 83fee56181..6e321894b9 100644 --- a/gnuradio-runtime/python/gnuradio/gr/qa_random.py +++ b/gnuradio-runtime/python/gnuradio/gr/qa_random.py @@ -23,8 +23,8 @@ from gnuradio import gr, gr_unittest import numpy as np -class test_random(gr_unittest.TestCase): +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 @@ -42,23 +42,38 @@ class test_random(gr_unittest.TestCase): def test_2(self): num = 5 - rndm0 = gr.random(42); # init with time - rndm1 = gr.random(42); # init with fix seed + 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 = 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 + 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 + x[k] = rndm0.ran1() + rndm1.reseed(43) # init with fix seed 2 for k in range(num): - y[k] = rndm0.ran1(); + y[k] = rndm0.ran1() for k in range(num): - self.assertNotEqual(x[k],y[k]) + self.assertNotEqual(x[k], y[k]) + + def test_003_integer(self): + nitems = 100000 + minimum = 2 + maximum = 42 + + rng = gr.random(1, minimum, maximum) + + rnd_vals = np.zeros(nitems, dtype=int) + for i in range(nitems): + rnd_vals[i] = rng.ran_int() + + self.assertGreaterEqual(minimum, np.min(rnd_vals)) + self.assertLess(np.max(rnd_vals), maximum) + if __name__ == '__main__': gr_unittest.run(test_random, "test_random.xml") |