TCrossEntropy.cpp
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fix a bug in the softmax function. It executes backward comptuation incorrectly… · b409f07f
fix a bug in the softmax function. It executes backward comptuation incorrectly (in the condition of cpu computation and NOLOSS). I found this bug by chance, then I spent one night confirming that something must be wrong and I spent one night finding the location of bug. Finally, I fixed this bug in five minutes.
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