include/Geant4/G4Fcn.hh

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
0005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
0007 // * conditions of the Geant4 Software License,  included in the file *
0008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
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0010 // *                                                                  *
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0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
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0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026
0027 // Author: Ivana Hrivnacova, 04/07/2012  (ivana@ipno.in2p3.fr)
0028
0029 #ifndef G4Fcn_h
0030 #define G4Fcn_h 1
0031
0032 #include "globals.hh"
0033
0034 // Generic function which can be applied to histogram/ntuple values
0035 using G4Fcn = G4double (*) (G4double);
0036
0037 // Identity function
0038 inline G4double G4FcnIdentity(G4double value) { return value; }
0039
0040 // Utility function
0041 namespace G4Analysis {
0042 G4Fcn GetFunction(const G4String& fcnName);
0043 }
0044
0045 #endif