Fix a bug for TransLayer and add unit testing. #1809
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pengwangucla
reviewed
May 6, 2017
| @@ -56,7 +56,14 @@ void TransLayer::backward(const UpdateCallback& callback) { | |||
| return; | |||
| } | |||
| MatrixPtr preGrad = getInputGrad(0); | |||
| outputGrad->transpose(preGrad, false); | |||
| if (preGrad) { | |||
| MatrixPtr transGrad = Matrix::create(preGrad->getHeight(), | |||
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Does not need to create a memory outside, you may use transpose(transGrad, true) to allocate the memory inside
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Fix #1805