G4Fcn.cc

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// Author: Ivana Hrivnacova, 22/08/2013  ([email protected])
 
#include "G4Fcn.hh"
#include "G4AnalysisUtilities.hh"
 
namespace G4Analysis
{
 
//_____________________________________________________________________________
G4Fcn GetFunction(const G4String& fcnName)
{
  // clang-format off
  G4Fcn fcn = G4FcnIdentity;
  if ( fcnName != "none" ) {
    if      ( fcnName == "log" )  fcn = std::log;
    else if ( fcnName == "log10") fcn = std::log10;
    else if ( fcnName == "exp" )  fcn = std::exp;
    else {
      Warn(
        "\"" + fcnName + "\" function is not supported.\n" +
        "No function will be applied to histogram values.",
        kNamespaceName, "GetFunction");
    }
  }
  return fcn;
  // clang-format on
}
 
}