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-rw-r--r--Wrappers/Python/ccpi/optimisation/functions/KullbackLeibler.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/Wrappers/Python/ccpi/optimisation/functions/KullbackLeibler.py b/Wrappers/Python/ccpi/optimisation/functions/KullbackLeibler.py
index e7e41f7..d4370a8 100644
--- a/Wrappers/Python/ccpi/optimisation/functions/KullbackLeibler.py
+++ b/Wrappers/Python/ccpi/optimisation/functions/KullbackLeibler.py
@@ -48,7 +48,7 @@ class KullbackLeibler(Function):
if self.sum_value==numpy.inf:
return numpy.inf
else:
- tmp = self.sum_value
+ tmp = self.sum_value.copy()
#tmp.fill( numpy.log(tmp.as_array()) )
self.log(tmp)
return (x - self.b * tmp ).sum()