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TActivationReLU.cxx
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// @(#)root/tmva $Id$
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// Author: Helge Voss
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/**********************************************************************************
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* Project: TMVA - a Root-integrated toolkit for multivariate data analysis *
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* Package: TMVA *
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* Class : TActivationReLU *
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* *
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* *
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* Description: *
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* Rectified linear unit function for an ANN. *
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* *
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* Authors (alphabetical): *
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* Helge Voss *
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* *
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* Copyright (c) 2005: *
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* CERN, Switzerland *
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* *
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* Redistribution and use in source and binary forms, with or without *
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* modification, are permitted according to the terms listed in LICENSE *
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* (see tmva/doc/LICENSE) *
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**********************************************************************************/
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/*! \class TMVA::TActivationReLU
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\ingroup TMVA
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Rectified Linear Unit activation function for TNeuron
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*/
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#include "
TMVA/TActivationReLU.h
"
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#include "
TMVA/TActivation.h
"
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#include "
TString.h
"
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#include <iostream>
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ClassImp
(
TMVA::TActivationReLU
);
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////////////////////////////////////////////////////////////////////////////////
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/// get expressions for the tanh and its derivative
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TString
TMVA::TActivationReLU::GetExpression
()
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{
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TString
expr =
"max(0,x)"
;
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return
expr;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// writes the Rectified Linear Unit activation function source code
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void
TMVA::TActivationReLU::MakeFunction
( std::ostream& fout,
const
TString
& fncName )
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{
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fout <<
"double "
<< fncName <<
"(double x) const {"
<< std::endl;
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fout <<
" // rectified linear unit"
<< std::endl;
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fout <<
" return x>0 ? x : 0; "
<< std::endl;
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fout <<
"}"
<< std::endl;
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}
ClassImp
#define ClassImp(name)
Definition
Rtypes.h:382
TActivationReLU.h
TActivation.h
TString.h
TMVA::TActivationReLU
Rectified Linear Unit activation function for TNeuron.
Definition
TActivationReLU.h:41
TMVA::TActivationReLU::MakeFunction
virtual void MakeFunction(std::ostream &fout, const TString &fncName)
writes the Rectified Linear Unit activation function source code
Definition
TActivationReLU.cxx:52
TMVA::TActivationReLU::GetExpression
TString GetExpression()
get expressions for the tanh and its derivative
Definition
TActivationReLU.cxx:42
TString
Basic string class.
Definition
TString.h:139
tmva
tmva
src
TActivationReLU.cxx
ROOT master - Reference Guide Generated on Wed Oct 9 2024 09:08:53 (GVA Time) using Doxygen 1.9.8