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authorKevin Sheppard <kevin.k.sheppard@gmail.com>2021-02-26 13:04:38 +0000
committerKevin Sheppard <kevin.k.sheppard@gmail.com>2021-02-26 14:50:28 +0000
commit79c30300390c267bacb5297f36c1e9605bca8f2c (patch)
tree67418bf7313e8cc3165944ef2811ca2c9c4f5efc /numpy/random/tests/test_randomstate.py
parent5fa800a32341f24ecc178eb754dc91c9b5d0db2c (diff)
downloadnumpy-79c30300390c267bacb5297f36c1e9605bca8f2c.tar.gz
BUG: Prevent RandomState from changing
Apply vonmises fix only to Generator Add tests for correctness closes #17378 closes #17275
Diffstat (limited to 'numpy/random/tests/test_randomstate.py')
-rw-r--r--numpy/random/tests/test_randomstate.py9
1 files changed, 9 insertions, 0 deletions
diff --git a/numpy/random/tests/test_randomstate.py b/numpy/random/tests/test_randomstate.py
index 7f5f08050..b16275b70 100644
--- a/numpy/random/tests/test_randomstate.py
+++ b/numpy/random/tests/test_randomstate.py
@@ -1238,6 +1238,15 @@ class TestRandomDist:
r = random.vonmises(mu=0., kappa=1.1e-8, size=10**6)
assert_(np.isfinite(r).all())
+ def test_vonmises_large(self):
+ # guard against changes in RandomState when Generator is fixed
+ random.seed(self.seed)
+ actual = random.vonmises(mu=0., kappa=1e7, size=3)
+ desired = np.array([4.634253748521111e-04,
+ 3.558873596114509e-04,
+ -2.337119622577433e-04])
+ assert_array_almost_equal(actual, desired, decimal=8)
+
def test_vonmises_nan(self):
random.seed(self.seed)
r = random.vonmises(mu=0., kappa=np.nan)