Gabriele Cosmo
157 lines
5.3 KiB
C++
157 lines
5.3 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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//
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// $Id: G4PhysicsOrderedFreeVector.cc,v 1.15 2010/05/28 05:13:43 kurasige Exp $
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// GEANT4 tag $Name: geant4-09-04-beta-01 $
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//
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////////////////////////////////////////////////////////////////////////
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// PhysicsOrderedFreeVector Class Implementation
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////////////////////////////////////////////////////////////////////////
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//
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// File: G4PhysicsOrderedFreeVector.cc
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// Version: 2.0
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// Created: 1996-08-13
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// Author: Juliet Armstrong
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// Updated: 1997-03-25 by Peter Gumplinger
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// > cosmetics (only)
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// 1998-11-11 by Peter Gumplinger
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// > initialize all data members of the base class in
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// derived class constructors
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// 2000-11-11 by H.Kurashige
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// > use STL vector for dataVector and binVector
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// 19 Jun. 2009-06-19 by V.Ivanchenko
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// > removed hidden bin
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//
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// mail: gum@triumf.ca
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//
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////////////////////////////////////////////////////////////////////////
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#include "G4PhysicsOrderedFreeVector.hh"
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/////////////////////////
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// Class Implementation
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/////////////////////////
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/////////////////
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// Constructors
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/////////////////
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G4PhysicsOrderedFreeVector::G4PhysicsOrderedFreeVector(G4double *Energies,
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G4double *Values,
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size_t VectorLength)
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: G4PhysicsVector()
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{
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type = T_G4PhysicsOrderedFreeVector;
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dataVector.reserve(VectorLength);
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binVector.reserve(VectorLength);
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numberOfNodes = VectorLength;
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for (size_t i = 0 ; i < VectorLength ; i++)
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{
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binVector.push_back(Energies[i]);
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dataVector.push_back(Values[i]);
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}
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edgeMin = binVector[0];
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edgeMax = binVector[numberOfNodes-1];
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}
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G4PhysicsOrderedFreeVector::G4PhysicsOrderedFreeVector()
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: G4PhysicsVector()
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{
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type = T_G4PhysicsOrderedFreeVector;
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}
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////////////////
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// Destructors
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////////////////
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G4PhysicsOrderedFreeVector::~G4PhysicsOrderedFreeVector() {}
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////////////
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// Methods
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////////////
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void
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G4PhysicsOrderedFreeVector::InsertValues(G4double energy, G4double value)
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{
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binVector.push_back(energy);
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dataVector.push_back(value);
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numberOfNodes++;
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edgeMin = binVector.front();
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edgeMax = binVector.back();
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}
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G4double
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G4PhysicsOrderedFreeVector::GetLowEdgeEnergy(size_t binNumber) const
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{
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return binVector[binNumber];
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}
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G4double
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G4PhysicsOrderedFreeVector::GetEnergy(G4double aValue)
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{
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if (aValue <= GetMinValue()) {
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return GetMinLowEdgeEnergy();
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} else if (aValue >= GetMaxValue()) {
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return GetMaxLowEdgeEnergy();
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} else {
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size_t closestBin = FindValueBinLocation(aValue);
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G4double theEnergy = LinearInterpolationOfEnergy(aValue, closestBin);
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return theEnergy;
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}
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}
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size_t
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G4PhysicsOrderedFreeVector::FindValueBinLocation(G4double aValue)
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{
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G4int n1 = 0;
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G4int n2 = numberOfNodes/2;
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G4int n3 = numberOfNodes - 1;
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while (n1 != n3 - 1) {
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if (aValue > dataVector[n2])
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{ n1 = n2; }
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else
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{ n3 = n2; }
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n2 = n1 + (n3 - n1 + 1)/2;
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}
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return (size_t)n1;
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}
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G4double
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G4PhysicsOrderedFreeVector::LinearInterpolationOfEnergy(G4double aValue,
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size_t theLocBin)
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{
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G4double intplFactor = (aValue-dataVector[theLocBin])
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/ (dataVector[theLocBin+1]-dataVector[theLocBin]); // Interpolation factor
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return binVector[theLocBin] +
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( binVector[theLocBin+1]-binVector[theLocBin] ) * intplFactor;
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}
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