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[WIP] Fix to issue #3481. #3484

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[WIP] Fix to issue #3481. #3484

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bc0f621
Fix to sampler.
rpgoldman May 20, 2019
0777648
Add import.
rpgoldman May 21, 2019
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10 changes: 8 additions & 2 deletions pymc3/distributions/continuous.py
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@
from pymc3.util import get_variable_name
from .special import log_i0
from ..math import invlogit, logit, logdiffexp
from .shape_utils import broadcast_distribution_samples
from .dist_math import (
alltrue_elemwise, betaln, bound, gammaln, i0e, incomplete_beta, logpow,
normal_lccdf, normal_lcdf, SplineWrapper, std_cdf, zvalue,
Expand Down Expand Up @@ -664,8 +665,13 @@ def random(self, point=None, size=None):
-------
array
"""
mu_v, std_v, a_v, b_v = draw_values(
[self.mu, self.sigma, self.lower, self.upper], point=point, size=size)
mu_v, std_v, a_v, b_v = broadcast_distribution_samples(
draw_values(
[self.mu, self.sigma, self.lower, self.upper],
point=point,
size=size),
size=size,
)
return generate_samples(stats.truncnorm.rvs,
a=(a_v - mu_v)/std_v,
b=(b_v - mu_v) / std_v,
Expand Down