Gabriele Cosmo
228 lines
8.3 KiB
C++
228 lines
8.3 KiB
C++
//
|
|
// ********************************************************************
|
|
// * License and Disclaimer *
|
|
// * *
|
|
// * The Geant4 software is copyright of the Copyright Holders of *
|
|
// * the Geant4 Collaboration. It is provided under the terms and *
|
|
// * conditions of the Geant4 Software License, included in the file *
|
|
// * LICENSE and available at http://cern.ch/geant4/license . These *
|
|
// * include a list of copyright holders. *
|
|
// * *
|
|
// * 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. Please see the license in the file LICENSE and URL above *
|
|
// * for the full disclaimer and the limitation of liability. *
|
|
// * *
|
|
// * This code implementation is the result of the scientific and *
|
|
// * technical work of the GEANT4 collaboration. *
|
|
// * By using, copying, modifying or distributing the software (or *
|
|
// * any work based on the software) you agree to acknowledge its *
|
|
// * use in resulting scientific publications, and indicate your *
|
|
// * acceptance of all terms of the Geant4 Software license. *
|
|
// ********************************************************************
|
|
//
|
|
//
|
|
// 080809 Change interpolation scheme of "histogram", now using LinearLinear
|
|
// For multidimensional interpolations By T. Koi
|
|
//
|
|
// P. Arce, June-2014 Conversion neutron_hp to particle_hp
|
|
//
|
|
#ifndef G4ParticleHPInterpolator_h
|
|
#define G4ParticleHPInterpolator_h 1
|
|
|
|
#include "G4Exp.hh"
|
|
#include "G4HadronicException.hh"
|
|
#include "G4InterpolationScheme.hh"
|
|
#include "G4Log.hh"
|
|
#include "G4ios.hh"
|
|
#include "Randomize.hh"
|
|
#include "globals.hh"
|
|
|
|
class G4ParticleHPInterpolator
|
|
{
|
|
public:
|
|
G4ParticleHPInterpolator() = default;
|
|
~G4ParticleHPInterpolator() = default;
|
|
|
|
inline G4double Lin(G4double x, G4double x1, G4double x2, G4double y1, G4double y2)
|
|
{
|
|
G4double slope = 0, off = 0;
|
|
if (x2 - x1 == 0) return (y2 + y1) / 2.;
|
|
slope = (y2 - y1) / (x2 - x1);
|
|
off = y2 - x2 * slope;
|
|
G4double y = x * slope + off;
|
|
return y;
|
|
}
|
|
|
|
inline G4double Interpolate(G4InterpolationScheme aScheme, G4double x, G4double x1, G4double x2,
|
|
G4double y1, G4double y2) const;
|
|
inline G4double Interpolate2(G4InterpolationScheme aScheme, G4double x, G4double x1,
|
|
G4double x2, G4double y1, G4double y2) const;
|
|
|
|
G4double GetBinIntegral(const G4InterpolationScheme& aScheme, const G4double x1,
|
|
const G4double x2, const G4double y1, const G4double y2);
|
|
|
|
G4double GetWeightedBinIntegral(const G4InterpolationScheme& aScheme, const G4double x1,
|
|
const G4double x2, const G4double y1, const G4double y2);
|
|
|
|
private:
|
|
inline G4double Histogram(G4double x, G4double x1, G4double x2, G4double y1, G4double y2) const;
|
|
inline G4double LinearLinear(G4double x, G4double x1, G4double x2, G4double y1,
|
|
G4double y2) const;
|
|
inline G4double LinearLogarithmic(G4double x, G4double x1, G4double x2, G4double y1,
|
|
G4double y2) const;
|
|
inline G4double LogarithmicLinear(G4double x, G4double x1, G4double x2, G4double y1,
|
|
G4double y2) const;
|
|
inline G4double LogarithmicLogarithmic(G4double x, G4double x1, G4double x2, G4double y1,
|
|
G4double y2) const;
|
|
inline G4double Random(G4double x, G4double x1, G4double x2, G4double y1, G4double y2) const;
|
|
};
|
|
|
|
inline G4double G4ParticleHPInterpolator::Interpolate(G4InterpolationScheme aScheme, G4double x,
|
|
G4double x1, G4double x2, G4double y1,
|
|
G4double y2) const
|
|
{
|
|
G4double result(0);
|
|
G4int theScheme = aScheme;
|
|
theScheme = theScheme % CSTART_;
|
|
switch (theScheme) {
|
|
case 1:
|
|
// 080809
|
|
// result = Histogram(x, x1, x2, y1, y2);
|
|
result = LinearLinear(x, x1, x2, y1, y2);
|
|
break;
|
|
case 2:
|
|
result = LinearLinear(x, x1, x2, y1, y2);
|
|
break;
|
|
case 3:
|
|
result = LinearLogarithmic(x, x1, x2, y1, y2);
|
|
break;
|
|
case 4:
|
|
result = LogarithmicLinear(x, x1, x2, y1, y2);
|
|
break;
|
|
case 5:
|
|
result = LogarithmicLogarithmic(x, x1, x2, y1, y2);
|
|
break;
|
|
case 6:
|
|
result = Random(x, x1, x2, y1, y2);
|
|
break;
|
|
default:
|
|
G4cout << "theScheme = " << theScheme << G4endl;
|
|
throw G4HadronicException(__FILE__, __LINE__,
|
|
"G4ParticleHPInterpolator::Carthesian Invalid InterpolationScheme");
|
|
break;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
inline G4double G4ParticleHPInterpolator::Interpolate2(G4InterpolationScheme aScheme, G4double x,
|
|
G4double x1, G4double x2, G4double y1,
|
|
G4double y2) const
|
|
{
|
|
G4double result(0);
|
|
G4int theScheme = aScheme;
|
|
theScheme = theScheme % CSTART_;
|
|
switch (theScheme) {
|
|
case 1:
|
|
result = Histogram(x, x1, x2, y1, y2);
|
|
break;
|
|
case 2:
|
|
result = LinearLinear(x, x1, x2, y1, y2);
|
|
break;
|
|
case 3:
|
|
result = LinearLogarithmic(x, x1, x2, y1, y2);
|
|
break;
|
|
case 4:
|
|
result = LogarithmicLinear(x, x1, x2, y1, y2);
|
|
break;
|
|
case 5:
|
|
result = LogarithmicLogarithmic(x, x1, x2, y1, y2);
|
|
break;
|
|
case 6:
|
|
result = Random(x, x1, x2, y1, y2);
|
|
break;
|
|
default:
|
|
G4cout << "theScheme = " << theScheme << G4endl;
|
|
throw G4HadronicException(__FILE__, __LINE__,
|
|
"G4ParticleHPInterpolator::Carthesian Invalid InterpolationScheme");
|
|
break;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
inline G4double G4ParticleHPInterpolator::Histogram(G4double, G4double, G4double, G4double y1,
|
|
G4double) const
|
|
{
|
|
G4double result;
|
|
result = y1;
|
|
return result;
|
|
}
|
|
|
|
inline G4double G4ParticleHPInterpolator::LinearLinear(G4double x, G4double x1, G4double x2,
|
|
G4double y1, G4double y2) const
|
|
{
|
|
G4double slope = 0, off = 0;
|
|
if (x2 - x1 == 0) return (y2 + y1) / 2.;
|
|
slope = (y2 - y1) / (x2 - x1);
|
|
off = y2 - x2 * slope;
|
|
G4double y = x * slope + off;
|
|
return y;
|
|
}
|
|
|
|
inline G4double G4ParticleHPInterpolator::LinearLogarithmic(G4double x, G4double x1, G4double x2,
|
|
G4double y1, G4double y2) const
|
|
{
|
|
G4double result;
|
|
if (x == 0)
|
|
result = y1 + y2 / 2.;
|
|
else if (x1 == 0)
|
|
result = y1;
|
|
else if (x2 == 0)
|
|
result = y2;
|
|
else
|
|
result = LinearLinear(G4Log(x), G4Log(x1), G4Log(x2), y1, y2);
|
|
return result;
|
|
}
|
|
|
|
inline G4double G4ParticleHPInterpolator::LogarithmicLinear(G4double x, G4double x1, G4double x2,
|
|
G4double y1, G4double y2) const
|
|
{
|
|
G4double result;
|
|
if (y1 == 0 || y2 == 0)
|
|
result = 0;
|
|
else {
|
|
result = LinearLinear(x, x1, x2, G4Log(y1), G4Log(y2));
|
|
result = G4Exp(result);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
inline G4double G4ParticleHPInterpolator::LogarithmicLogarithmic(G4double x, G4double x1,
|
|
G4double x2, G4double y1,
|
|
G4double y2) const
|
|
{
|
|
if (x == 0) return y1 + y2 / 2.;
|
|
if (x1 == 0) return y1;
|
|
if (x2 == 0) return y2;
|
|
G4double result;
|
|
if (y1 == 0 || y2 == 0)
|
|
result = 0;
|
|
else {
|
|
result = LinearLinear(G4Log(x), G4Log(x1), G4Log(x2), G4Log(y1), G4Log(y2));
|
|
result = G4Exp(result);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
inline G4double G4ParticleHPInterpolator::Random(G4double, G4double, G4double, G4double y1,
|
|
G4double y2) const
|
|
{
|
|
G4double result;
|
|
result = y1 + G4UniformRand() * (y2 - y1);
|
|
return result;
|
|
}
|
|
|
|
#endif
|