Gabriele Cosmo
95 lines
3.5 KiB
C++
95 lines
3.5 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// $Id$
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// Author: Ivana Hrivnacova, 04/07/2012 (ivana@ipno.in2p3.fr)
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#ifndef G4MergeMode_h
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#define G4MergeMode_h 1
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#include "globals.hh"
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#include <functional>
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#include <cmath>
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// Enumeration for definition available binning schemes
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enum class G4MergeMode {
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kAddition, // "Or" if boolean type
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kMultiplication, // "And" if boolean type
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kMaximum, // "Or" if boolean type
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kMinimum // "And" if boolean type
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};
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// Generic merge function
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template <typename T>
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using G4MergeFunction = std::function<T(const T&, const T&)>;
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// Utility functions
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namespace G4Accumulables {
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G4MergeMode GetMergeMode(const G4String& mergeModeName);
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template <typename T>
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G4MergeFunction<T> GetMergeFunction(G4MergeMode mergeMode)
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{
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switch ( mergeMode ) {
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case G4MergeMode::kAddition:
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// return std::bind([](const T& x, const T& y) { return x + y; });
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return [](const T& x, const T& y) { return x + y; };
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case G4MergeMode::kMultiplication:
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return [](const T& x, const T& y) { return x * y; };
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case G4MergeMode::kMaximum:
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// return std::bind([](const T& x, const T& y) { return std::max(x,y);});
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return [](const T& x, const T& y) { return std::max(x,y); };
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case G4MergeMode::kMinimum:
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// return std::bind([](const T& x, const T& y) { return std::min(x,y);});
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return [](const T& x, const T& y) { return std::min(x,y); };
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}
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}
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template <G4bool>
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G4MergeFunction<G4bool> GetMergeFunction(G4MergeMode mergeMode)
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{
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switch ( mergeMode ) {
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case G4MergeMode::kAddition:
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case G4MergeMode::kMaximum:
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// return std::bind([](const T& x, const T& y) { return x + y; });
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return [](const G4bool& x, const G4bool& y) { return x || y; };
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case G4MergeMode::kMultiplication:
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case G4MergeMode::kMinimum:
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return [](const G4bool& x, const G4bool& y) { return x && y; };
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}
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}
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}
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#endif
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