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G4ParticleHPAngularP.hh
Go to the documentation of this file.
Or view
the newest version in sPHENIX GitHub for file G4ParticleHPAngularP.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 G4ParticleHPAngularP_h
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#define G4ParticleHPAngularP_h 1
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#include <
CLHEP/Units/SystemOfUnits.h
>
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#include "
globals.hh
"
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#include "
G4InterpolationManager.hh
"
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#include "
G4ParticleHPInterpolator.hh
"
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class
G4ParticleHPAngularP
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{
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public
:
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G4ParticleHPAngularP
()
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{
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theCosTh
= NULL;
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theProb
= NULL;
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theEnergy
= 0.;
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nCoeff
= 0;
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}
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~G4ParticleHPAngularP
()
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{
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if
(
theCosTh
!=0)
delete
[]
theCosTh
;
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if
(
theProb
!=0)
delete
[]
theProb
;
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}
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inline
void
Init
(std::istream & aDataFile)
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{
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G4double
eNeu, cosTheta, probDist;
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G4int
nProb;
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aDataFile >> eNeu >> nProb;
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theManager
.
Init
(aDataFile);
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eNeu *=
CLHEP::eV
;
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Init
(eNeu, nProb);
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for
(
G4int
iii=0; iii<nProb; iii++)
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{
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aDataFile >> cosTheta >> probDist;
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SetCosTh
(iii, cosTheta);
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SetProb
(iii,probDist);
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}
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}
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inline
void
Init
(
G4double
e
,
G4int
n
)
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{
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theCosTh
=
new
G4double
[
n
];
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theProb
=
new
G4double
[
n
];
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theEnergy
=
e
;
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nCoeff
=
n
;
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}
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inline
void
SetEnergy
(
G4double
energy
){
theEnergy
=
energy
; }
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inline
void
SetCosTh
(
G4int
l,
G4double
coeff) {
theCosTh
[l]=coeff;}
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inline
void
SetProb
(
G4int
l,
G4double
coeff) {
theProb
[l]=coeff;}
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inline
G4double
GetCosTh
(
G4int
l) {
return
theCosTh
[l];}
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inline
G4double
GetProb
(
G4int
l) {
return
theProb
[l];}
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inline
G4double
GetEnergy
(){
return
theEnergy
;}
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inline
G4int
GetNumberOfPoints
(){
return
nCoeff
; }
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inline
G4double
GetCosTh
()
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{
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G4int
i;
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G4double
rand =
G4UniformRand
();
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G4double
run=0, runo=0;
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for
(i=0; i<
GetNumberOfPoints
(); i++)
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{
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runo=run;
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run +=
GetProb
(i);
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if
(run>rand)
break
;
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}
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if
(i ==
GetNumberOfPoints
()) i--;
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G4double
costh =
theInt
.
Interpolate
(
theManager
.
GetScheme
(i), rand,
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runo, run,
GetCosTh
(i-1),
GetCosTh
(i));
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return
costh;
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}
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private
:
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G4double
theEnergy
;
// neutron energy
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G4ParticleHPInterpolator
theInt
;
// knows tointerpolate
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G4int
nCoeff
;
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G4InterpolationManager
theManager
;
// knows the interpolation between stores
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G4double
*
theCosTh
;
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G4double
*
theProb
;
// probability distribution as fcn of theta
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// integral normalised to 1.
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};
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#endif
geant4
tree
geant4-10.6-release
source
processes
hadronic
models
particle_hp
include
G4ParticleHPAngularP.hh
Built by
Jin Huang
. updated:
Wed Jun 29 2022 17:25:47
using
1.8.2 with
ECCE GitHub integration