lars/geant4
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Import Geant4 3.2.0 source tree

Browse Source
This commit is contained in:
Gabriele Cosmo
2016-06-08 16:10:37 +02:00
parent 137e303ecc
commit 36c080dca6
3464 changed files with 119310 additions and 52696 deletions
Download Patch File Download Diff File Expand all files Collapse all files
source/processes/hadronic/management/src/G4HadronicProcess.cc
+30 -14
View File
@@ -1,12 +1,26 @@
// This code implementation is the intellectual property of
// the GEANT4 collaboration.
//
// By copying, distributing or modifying the Program (or any work
// based on the Program) you indicate your acceptance of this statement,
// and all its terms.
// ********************************************************************
// * DISCLAIMER *
// * *
// * The following disclaimer summarizes all the specific disclaimers *
// * of contributors to this software. The specific disclaimers,which *
// * govern, are listed with their locations in: *
// * http://cern.ch/geant4/license *
// * *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. *
// * *
// * This code implementation is the intellectual property of the *
// * GEANT4 collaboration. *
// * By copying, distributing or modifying the Program (or any work *
// * based on the Program) you indicate your acceptance of this *
// * statement, and all its terms. *
// ********************************************************************
//
//
// $Id: G4HadronicProcess.cc,v 1.8 1999/12/15 14:52:08 gunter Exp $
// GEANT4 tag $Name: geant4-03-01 $
//
// HPW to implement the choosing of an element for scattering.
#include "g4std/fstream"
@@ -38,19 +52,21 @@
}
const G4double *theAtomicNumberDensity = aMaterial->GetAtomicNumDensityVector();
G4double aTemp = aMaterial->GetTemperature();
G4double crossSectionTotal = 0;
G4int i;
G4std::vector<G4double> runningSum;
for( i=0; i < numberOfElements; ++i )
crossSectionTotal += theAtomicNumberDensity[i] *
dispatch->GetMicroscopicCrossSection( aParticle, (*theElementVector)(i) );
{
runningSum.push_back(theAtomicNumberDensity[i] *
dispatch->GetMicroscopicCrossSection( aParticle, (*theElementVector)(i), aTemp));
crossSectionTotal+=runningSum[i];
}
G4double crossSectionSum= 0.;
G4double random = G4UniformRand()*crossSectionTotal;
G4double random = G4UniformRand();
for( i=0; i < numberOfElements; ++i )
{
crossSectionSum += theAtomicNumberDensity[i] *
dispatch->GetMicroscopicCrossSection( aParticle, (*theElementVector)(i) );
if( random<=crossSectionSum )
if( random<=runningSum[i]/crossSectionTotal )
{
currentZ = G4double((*theElementVector)(i)->GetZ());
currentN = (*theElementVector)(i)->GetN();