8000 BUG: Fixed Von Mises distribution for big values of kappa by bashtage · Pull Request #18498 · numpy/numpy · GitHub
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BUG: Fixed Von Mises distribution for big values of kappa #18498

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Merged
merged 5 commits into from
Feb 26, 2021
Merged

BUG: Fixed Von Mises distribution for big values of kappa #18498

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b16dc4a
Fixed Von Mises distribution for big values of kappa by falling back …
Androp0v Sep 26, 2020
f26a7d2
Fixed style and added check for bounds in [-pi,pi] interval.
Androp0v Sep 26, 2020
5fa800a
Added test for [-np.pi, np.pi] range for the von mises distribution u…
Androp0v Oct 9, 2020
79c3030
BUG: Prevent RandomState from changing
bashtage Feb 26, 2021
aa52959
CLN: Move to legacy function
bashtage Feb 26, 2021
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Added test for [-np.pi, np.pi] range for the von mises distribution u… 
…sing large values of kappa (>1e6)
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@Androp0v @bashtage
Androp0v authored and bashtage committed Feb 26, 2021
commit 5fa800a32341f24ecc178eb754dc91c9b5d0db2c
3 changes: 3 additions & 0 deletions numpy/random/tests/test_generator_mt19937_regressions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,9 @@ def test_VonMises_range(self):
for mu in np.linspace(-7., 7., 5):
r = mt19937.vonmises(mu, 1, 50)
assert_(np.all(r > -np.pi) and np.all(r <= np.pi))
for mu in [-np.pi, np.pi]:
r = mt19937.vonmises(mu, 10**6 + 1, 50)
assert_(np.all(r > -np.pi) and np.all(r <= np.pi))

def test_hypergeometric_range(self):
# Test for ticket #921
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3 changes: 3 additions & 0 deletions numpy/random/tests/test_randomstate_regression.py
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Expand Up @@ -18,6 +18,9 @@ def test_VonMises_range(self):
for mu in np.linspace(-7., 7., 5):
r = random.vonmises(mu, 1, 50)
assert_(np.all(r > -np.pi) and np.all(r <= np.pi))
for mu in [-np.pi, np.pi]:
r = random.vonmises(mu, 10**6 + 1, 50)
assert_(np.all(r > -np.pi) and np.all(r <= np.pi))

def test_hypergeometric_range(self):
# Test for ticket #921
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3 changes: 3 additions & 0 deletions numpy/random/tests/test_regression.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,9 @@ def test_VonMises_range(self):
for mu in np.linspace(-7., 7., 5):
r = random.mtrand.vonmises(mu, 1, 50)
assert_(np.all(r > -np.pi) and np.all(r <= np.pi))
for mu in [-np.pi, np.pi]:
r = random.mtrand.vonmises(mu, 10**6 + 1, 50)
assert_(np.all(r > -np.pi) and np.all(r <= np.pi))

def test_hypergeometric_range(self):
# Test for ticket #921
Expand Down
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