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[WIP] Use chainer.as_variable #510

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[WIP] Use chainer.as_variable #510

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13 changes: 3 additions & 10 deletions chainerrl/distribution.py
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Original file line number Diff line number Diff line change
Expand Up @@ -19,13 +19,6 @@
from chainerrl.functions import mellowmax


def _wrap_by_variable(x):
if isinstance(x, chainer.Variable):
return x
else:
return chainer.Variable(x)


def _unwrap_variable(x):
if isinstance(x, chainer.Variable):
return x.array
Expand Down Expand Up @@ -263,8 +256,8 @@ class GaussianDistribution(Distribution):
"""Gaussian distribution."""

def __init__(self, mean, var):
self.mean = _wrap_by_variable(mean)
self.var = _wrap_by_variable(var)
self.mean = chainer.as_variable(mean)
self.var = chainer.as_variable(var)
self.ln_var = F.log(var)

@property
Expand Down Expand Up @@ -324,7 +317,7 @@ class ContinuousDeterministicDistribution(Distribution):
"""

def __init__(self, x):
self.x = _wrap_by_variable(x)
self.x = chainer.as_variable(x)

@cached_property
def entropy(self):
Expand Down