G4ParticleHPAngular.hh

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// 070613 fix memory leaking by T. Koi
//
// P. Arce, June-2014 Conversion neutron_hp to particle_hp
//
#ifndef G4ParticleHPAngular_h
#define G4ParticleHPAngular_h 1
 
#include "G4Cache.hh"
#include "G4ParticleHPLegendreStore.hh"
#include "G4ParticleHPPartial.hh"
#include "G4ReactionProduct.hh"
#include "G4ios.hh"
#include "Randomize.hh"
#include "globals.hh"
 
#include <fstream>
 
class G4ParticleHPAngular
{
    struct toBeCached
    {
        const G4ReactionProduct* theProjectileRP{nullptr};
        const G4ReactionProduct* theTarget{nullptr};
        toBeCached() = default;
    };
 
  public:
    G4ParticleHPAngular()
    {
      theIsoFlag = true;
      theCoefficients = nullptr;
      theProbArray = nullptr;
      toBeCached val;
      fCache.Put(val);
 
      theAngularDistributionType = 0;
      frameFlag = 0;
      targetMass = 0.0;
    }
 
    ~G4ParticleHPAngular()
    {
      delete theCoefficients;
      delete theProbArray;
    }
 
    void Init(std::istream& aDataFile);
 
    void SampleAndUpdate(G4ReactionProduct& anIncidentParticle);
 
    void SetTarget(const G4ReactionProduct& aTarget) { fCache.Get().theTarget = &aTarget; }
 
    void SetProjectileRP(const G4ReactionProduct& anIncidentParticleRP)
    {
      fCache.Get().theProjectileRP = &anIncidentParticleRP;
    }
 
    inline G4double GetTargetMass() { return targetMass; }
 
  private:
    // the type of distribution; currently
    // isotropic (0),
    // and legendre representation (1)
    // probability distribution (2)
    // are supported
 
    G4int theAngularDistributionType;
    G4int frameFlag;  // 1=Lab, 2=CMS
 
    G4bool theIsoFlag;  // isotropic or not?
 
    G4ParticleHPLegendreStore* theCoefficients;  // the legendre coefficients
 
    G4ParticleHPPartial* theProbArray;
    // the probability array p,costh for energy
 
    G4double targetMass;
 
    G4Cache<toBeCached> fCache;
};
 
#endif