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G4ParticleHPArbitaryTab.hh
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the newest version in sPHENIX GitHub for file G4ParticleHPArbitaryTab.hh
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//
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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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//
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// P. Arce, June-2014 Conversion neutron_hp to particle_hp
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//
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#ifndef G4ParticleHPArbitaryTab_h
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#define G4ParticleHPArbitaryTab_h 1
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#include <fstream>
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#include <
CLHEP/Units/SystemOfUnits.h
>
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#include "
globals.hh
"
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#include "
G4ios.hh
"
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#include "
Randomize.hh
"
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#include "
G4ParticleHPVector.hh
"
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#include "
G4VParticleHPEDis.hh
"
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#include "
G4InterpolationManager.hh
"
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// we will need a List of these .... one per term.
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class
G4ParticleHPArbitaryTab
:
public
G4VParticleHPEDis
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{
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public
:
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G4ParticleHPArbitaryTab
()
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{
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theDistFunc
= 0;
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nDistFunc
= 0;
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}
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~G4ParticleHPArbitaryTab
()
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{
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if
(
theDistFunc
!=0)
delete
[]
theDistFunc
;
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}
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inline
void
Init
(std::istream & theData)
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{
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G4int
i;
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theFractionalProb
.
Init
(theData,
CLHEP::eV
);
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theData >>
nDistFunc
;
// = number of incoming n energy points
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theDistFunc
=
new
G4ParticleHPVector
[
nDistFunc
];
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theManager
.
Init
(theData);
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G4double
currentEnergy;
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for
(i=0; i<
nDistFunc
; i++)
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{
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theData >> currentEnergy;
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theDistFunc
[i].
SetLabel
(currentEnergy*
CLHEP::eV
);
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theDistFunc
[i].
Init
(theData, CLHEP::eV);
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theDistFunc
[i].
IntegrateAndNormalise
();
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//************************************************************************
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//EMendoza:
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//ThinOut() assumes that the data is linear-linear, what is false:
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//theDistFunc[i].ThinOut(0.02); // @@@ optimization to be finished.
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//************************************************************************
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}
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//************************************************************************
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//EMendoza:
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//Here we calculate the thresholds for the 2D sampling:
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for
(i=0; i<
nDistFunc
; i++){
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G4int
np=
theDistFunc
[i].
GetVectorLength
();
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theLowThreshold
[i]=
theDistFunc
[i].
GetEnergy
(0);
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theHighThreshold
[i]=
theDistFunc
[i].
GetEnergy
(np-1);
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for
(
G4int
j=0;j<np-1;j++){
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if
(
theDistFunc
[i].GetXsec(j+1)>1.
e
-20){
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theLowThreshold
[i]=
theDistFunc
[i].
GetEnergy
(j);
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break
;
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}
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}
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for
(
G4int
j=1;j<np;j++){
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if
(
theDistFunc
[i].GetXsec(j-1)>1.
e
-20){
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theHighThreshold
[i]=
theDistFunc
[i].
GetEnergy
(j);
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}
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}
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}
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//************************************************************************
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}
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inline
G4double
GetFractionalProbability
(
G4double
anEnergy)
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{
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return
theFractionalProb
.
GetY
(anEnergy);
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}
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G4double
Sample
(
G4double
anEnergy) ;
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private
:
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G4ParticleHPVector
theFractionalProb
;
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G4int
nDistFunc
;
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G4InterpolationManager
theManager
;
// knows the interpolation between stores
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G4ParticleHPVector
*
theDistFunc
;
// one per incoming energy
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G4ParticleHPVector
theBuffer
;
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//************************************************************************
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//EMendoza:
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G4double
theLowThreshold
[1000];
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G4double
theHighThreshold
[1000];
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//************************************************************************
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};
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#endif
geant4
tree
geant4-10.6-release
source
processes
hadronic
models
particle_hp
include
G4ParticleHPArbitaryTab.hh
Built by
Jin Huang
. updated:
Wed Jun 29 2022 17:25:47
using
1.8.2 with
ECCE GitHub integration