00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // 00027 // $Id$ 00028 // 00029 // 00030 //-------------------------------------------------------------------- 00031 // GEANT 4 class implementation file 00032 // 00033 // G4PhysicsFreeVector.cc 00034 // 00035 // History: 00036 // 02 Dec. 1995, G.Cosmo : Structure created based on object model 00037 // 06 June 1996, K.Amako : The 1st version of implemented 00038 // 01 Jul. 1996, K.Amako : Cache mechanism and hidden bin from the 00039 // user introduced 00040 // 26 Sep. 1996, K.Amako : Constructor with only 'bin size' added 00041 // 11 Nov. 2000, H.Kurashige : use STL vector for dataVector and binVector 00042 // 19 Jun. 2009, V.Ivanchenko : removed hidden bin 00043 // 00044 //-------------------------------------------------------------------- 00045 00046 #include "G4PhysicsFreeVector.hh" 00047 00048 00049 G4PhysicsFreeVector::G4PhysicsFreeVector() 00050 : G4PhysicsVector() 00051 { 00052 type = T_G4PhysicsFreeVector; 00053 } 00054 00055 G4PhysicsFreeVector::G4PhysicsFreeVector(size_t theNbin) 00056 : G4PhysicsVector() 00057 { 00058 type = T_G4PhysicsFreeVector; 00059 numberOfNodes = theNbin; 00060 00061 dataVector.reserve(numberOfNodes); 00062 binVector.reserve(numberOfNodes); 00063 00064 for (size_t i=0; i<numberOfNodes; i++) 00065 { 00066 binVector.push_back(0.0); 00067 dataVector.push_back(0.0); 00068 } 00069 } 00070 00071 G4PhysicsFreeVector::G4PhysicsFreeVector(const G4DataVector& theBinVector, 00072 const G4DataVector& theDataVector) 00073 { 00074 type = T_G4PhysicsFreeVector; 00075 numberOfNodes = theBinVector.size(); 00076 00077 dataVector.reserve(numberOfNodes); 00078 binVector.reserve(numberOfNodes); 00079 00080 for (size_t i=0; i<numberOfNodes; i++) 00081 { 00082 binVector.push_back(theBinVector[i]); 00083 dataVector.push_back(theDataVector[i]); 00084 } 00085 00086 edgeMin = binVector[0]; 00087 edgeMax = binVector[numberOfNodes-1]; 00088 } 00089 00090 G4PhysicsFreeVector::~G4PhysicsFreeVector() 00091 { 00092 } 00093 00094 void G4PhysicsFreeVector::PutValue( size_t theBinNumber, 00095 G4double theBinValue, 00096 G4double theDataValue ) 00097 { 00098 binVector[theBinNumber] = theBinValue; 00099 dataVector[theBinNumber] = theDataValue; 00100 00101 if( theBinNumber == numberOfNodes-1 ) 00102 { 00103 edgeMax = binVector[numberOfNodes-1]; 00104 } 00105 00106 if( theBinNumber == 0 ) 00107 { 00108 edgeMin = binVector[0]; 00109 } 00110 } 00111 00112 size_t G4PhysicsFreeVector::FindBinLocation(G4double theEnergy) const 00113 { 00114 // For G4PhysicsFreeVector, FindBinLocation is implemented using 00115 // the binary search algorithm. 00116 // 00117 // Because this is a virtual function, it is accessed through a 00118 // pointer to the G4PhysicsVector object for most usages. In this 00119 // case, 'inline' will not be invoked. However, there is a possibility 00120 // that the user access to the G4PhysicsFreeVector object directly and 00121 // not through pointers or references. In this case, the 'inline' will 00122 // be invoked. (See R.B.Murray, "C++ Strategies and Tactics", Chap.6.6) 00123 00124 size_t lowerBound = 0; 00125 size_t upperBound = numberOfNodes-2; 00126 00127 while (lowerBound <= upperBound) 00128 { 00129 size_t midBin = (lowerBound + upperBound)/2; 00130 if( theEnergy < binVector[midBin] ) 00131 { upperBound = midBin-1; } 00132 else 00133 { lowerBound = midBin+1; } 00134 } 00135 00136 return upperBound; 00137 }