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#include "cuActivation.h"
#include "cumath.h"
namespace TNet {
void
CuSigmoid::
PropagateFnc(const CuMatrix<BaseFloat>& X, CuMatrix<BaseFloat>& Y)
{
CuMath<BaseFloat>::Sigmoid(Y, X);
}
void
CuSigmoid::
BackpropagateFnc(const CuMatrix<BaseFloat>& X, CuMatrix<BaseFloat>& Y)
{
CuMath<BaseFloat>::DiffSigmoid(Y, X, mOutput);
}
void
CuSoftmax::
PropagateFnc(const CuMatrix<BaseFloat>& X, CuMatrix<BaseFloat>& Y)
{
CuMath<BaseFloat>::Softmax(Y,X);
}
void
CuSoftmax::
BackpropagateFnc(const CuMatrix<BaseFloat>& X, CuMatrix<BaseFloat>& Y)
{
//we assume X is already dE/dSoftmax_input
Y.CopyFrom(X);
}
} //namespace
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