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fixed caching bug with args having Nones

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This commit is contained in:
Max Zwiessele 2014-02-28 12:08:16 +00:00
parent 83f5b9377a
commit 82a25d691b
1 changed files with 3 additions and 2 deletions
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5
GPy/util/caching.py
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@ -1,4 +1,5 @@
from ..core.parameterization.parameter_core import Observable
import itertools
class Cacher(object):
"""
@ -40,9 +41,9 @@ class Cacher(object):
# TODO: WARNING !!! Cache OFFSWITCH !!! WARNING
# return self.operation(*args)
#if the result is cached, return the cached computation
state = [all(a is b for a, b in zip(args, cached_i)) for cached_i in self.cached_inputs]
state = [all(a is b for a, b in itertools.izip_longest(args, cached_i)) for cached_i in self.cached_inputs]
if any(state):
i = state.index(True)
if self.inputs_changed[i]: