diff options
-rw-r--r-- | Lib/random.py | 10 | ||||
-rw-r--r-- | Lib/test/test_random.py | 32 | ||||
-rw-r--r-- | Misc/ACKS | 1 | ||||
-rw-r--r-- | Misc/NEWS | 3 |
4 files changed, 1 insertions, 45 deletions
diff --git a/Lib/random.py b/Lib/random.py index 11a0606..7d8d4f3 100644 --- a/Lib/random.py +++ b/Lib/random.py @@ -341,16 +341,6 @@ class Random(_random.Random): http://en.wikipedia.org/wiki/Triangular_distribution """ - # Sanity check. According to the doc low must be less or equal to - # high. And mode should be somewhere between these bounds. - if low > high: - raise ValueError('high cannot be less then low.') - if mode is not None and (mode < low or mode > high): - raise ValueError('mode must be between low and high.') - - if high == low: - return low - u = self.random() c = 0.5 if mode is None else (mode - low) / (high - low) if u > c: diff --git a/Lib/test/test_random.py b/Lib/test/test_random.py index 34e144c..c3ab7d2 100644 --- a/Lib/test/test_random.py +++ b/Lib/test/test_random.py @@ -46,36 +46,6 @@ class TestBasicOps(unittest.TestCase): self.assertRaises(TypeError, self.gen.seed, 1, 2, 3, 4) self.assertRaises(TypeError, type(self.gen), []) - def test_triangular(self): - # Check that triangular() correctly handles bad input. See issue 13355. - - # mode > high. - with self.assertRaises(ValueError): - random.triangular(mode=2) - with self.assertRaises(ValueError): - random.triangular(low=1, high=10, mode=11) - with self.assertRaises(ValueError): - random.triangular(low=1, high=1, mode=11) - - # mode < low. - with self.assertRaises(ValueError): - random.triangular(mode=-1) - with self.assertRaises(ValueError): - random.triangular(low=1, high=10, mode=0) - with self.assertRaises(ValueError): - random.triangular(low=1, high=1, mode=0) - - # low > high - with self.assertRaises(ValueError): - random.triangular(low=5, high=2) - with self.assertRaises(ValueError): - random.triangular(low=5, high=2, mode=1) - with self.assertRaises(ValueError): - random.triangular(low=-2, high=-5) - - self.assertEqual(random.triangular(low=10, high=10), 10) - self.assertEqual(random.triangular(low=10, high=10, mode=10), 10) - def test_choice(self): choice = self.gen.choice with self.assertRaises(IndexError): @@ -519,7 +489,7 @@ class TestDistributions(unittest.TestCase): for variate, args, expected in [ (g.uniform, (10.0, 10.0), 10.0), (g.triangular, (10.0, 10.0), 10.0), - (g.triangular, (10.0, 10.0, 10.0), 10.0), + #(g.triangular, (10.0, 10.0, 10.0), 10.0), (g.expovariate, (float('inf'),), 0.0), (g.vonmisesvariate, (3.0, float('inf')), 3.0), (g.gauss, (10.0, 0.0), 10.0), @@ -1088,7 +1088,6 @@ Nick Seidenman Žiga Seilnacht Yury Selivanov Fred Sells -Yuriy Senko Jiwon Seo Iñigo Serna Joakim Sernbrant @@ -26,9 +26,6 @@ Core and Builtins Library ------- -- Issue #13355: Raise ValueError on random.triangular call with invalid params. - Initial patch by Yuriy Senko. - - Issue #16658: add missing return to HTTPConnection.send() Patch by Jeff Knupp. |