/usr/include/root/TMVA/TActivation.h is in libroot-tmva-dev 5.34.19+dfsg-1.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 | // @(#)root/tmva $Id$
// Author: Matt Jachowski
/**********************************************************************************
* Project: TMVA - a Root-integrated toolkit for multivariate data analysis *
* Package: TMVA *
* Class : TMVA::TActivation *
* *
* Description: *
* Interface for TNeuron activation function classes. *
* *
* Authors (alphabetical): *
* Matt Jachowski <jachowski@stanford.edu> - Stanford University, USA *
* *
* Copyright (c) 2005: *
* CERN, Switzerland *
* *
* Redistribution and use in source and binary forms, with or without *
* modification, are permitted according to the terms listed in LICENSE *
* (http://tmva.sourceforge.net/LICENSE) *
**********************************************************************************/
#ifndef ROOT_TMVA_TActivation
#define ROOT_TMVA_TActivation
//////////////////////////////////////////////////////////////////////////
// //
// TActivation //
// //
// Interface for TNeuron activation function classes //
// //
//////////////////////////////////////////////////////////////////////////
#include <iosfwd>
#ifndef ROOT_TObject
#include "TObject.h"
#endif
#ifndef ROOT_TString
#include "TString.h"
#endif
namespace TMVA {
class TActivation {
public:
TActivation() {}
virtual ~TActivation() {}
// evaluate the activation function
virtual Double_t Eval(Double_t arg) = 0;
// evaulate the derivative of the activation function
virtual Double_t EvalDerivative(Double_t arg) = 0;
// minimum of the range of activation function
virtual Double_t GetMin() = 0;
// maximum of the range of the activation function
virtual Double_t GetMax() = 0;
// expression for activation function
virtual TString GetExpression() = 0;
// writer of function code
virtual void MakeFunction(std::ostream& fout, const TString& fncName) = 0;
ClassDef(TActivation,0) // Interface for TNeuron activation function classes
};
} // namespace TMVA
#endif
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