G4PiData Class Reference

#include <G4PiData.hh>

Inheritance diagram for G4PiData:

Data Structures
struct	Delete

Public Member Functions
	G4PiData (const G4double *aTotal, const G4double *aInelastic, const G4double *anEnergy, G4int nPoints)
G4bool	AppliesTo (G4double kineticEnergy)
G4double	ReactionXSection (G4double kineticEnergy)
G4double	ElasticXSection (G4double kineticEnergy)
G4double	TotalXSection (G4double kineticEnergy)

Detailed Description

Definition at line 35 of file G4PiData.hh.

Constructor & Destructor Documentation

G4PiData::G4PiData	(	const G4double *	aTotal,
		const G4double *	aInelastic,
		const G4double *	anEnergy,
		G4int	nPoints
	)

Definition at line 36 of file G4PiData.cc.

References python.hepunit::GeV, python.hepunit::millibarn, and test::x.

{
  G4int i=0;

  for( i = 0; i < nP; i++ )
  {
    std::pair<G4double, G4double> x;
    x.first=aT[i]*millibarn;
    x.second=aIn[i]*millibarn;
    std::pair<G4double, std::pair<G4double, G4double > > aP;
    aP.first=anE[i]*GeV;
    aP.second=x;
    push_back(aP);
  }
}

Member Function Documentation

G4bool G4PiData::AppliesTo

(

G4double

kineticEnergy

)

Definition at line 55 of file G4PiData.cc.

{
  G4bool result = true;
  if(kineticEnergy>back().first) result = false;
  return result;
}

G4double G4PiData::ElasticXSection

(

G4double

kineticEnergy

)

Definition at line 86 of file G4PiData.cc.

References G4INCL::Math::max().

{
  G4double result = 0;
  G4PiData::iterator it=begin();
  while(it!=end()&&kineticEnergy>(*it).first) {it++;}
  if(it==end()) 
  {
    throw G4HadronicException(__FILE__, __LINE__,
        "G4PiData::ElasticXSection: used outside validity range");
  }
  if(it==begin()) it++;
  G4double x1,x2,e1,e2;
  e1=(*(it-1)).first;
  x1=(*(it-1)).second.first - (*(it-1)).second.second;
  e2=(*(it)).first;
  x2=(*(it)).second.first - (*(it)).second.second;
  result = std::max(0., x1 + (kineticEnergy-e1)*(x2-x1)/(e2-e1));
  return result;
}

G4double G4PiData::ReactionXSection

(

G4double

kineticEnergy

)

Definition at line 64 of file G4PiData.cc.

References G4INCL::Math::max().

{
  G4double result = 0;
  G4PiData::iterator it=begin();
  while(it!=end()&&kineticEnergy>(*it).first) {it++;}
  if(it==end()) 
  {
    throw G4HadronicException(__FILE__, __LINE__,
        "G4PiData::ReactionXSection: used outside validity range");
  }
  if(it==begin()) it++;
  G4double x1,x2,e1,e2;
  e1=(*(it-1)).first;
  x1=(*(it-1)).second.second;
  e2=(*(it)).first;
  x2=(*(it)).second.second;
  result = std::max(0., x1 + (kineticEnergy-e1)*(x2-x1)/(e2-e1));
  return result;
}

G4double G4PiData::TotalXSection

(

G4double

kineticEnergy

)

Definition at line 108 of file G4PiData.cc.

References G4INCL::Math::max().

{
  G4double result = 0;
  G4PiData::iterator it=begin();
  while(it!=end()&&kineticEnergy>(*it).first) {it++;}
  if(it==end()) 
  {
    throw G4HadronicException(__FILE__, __LINE__,
        "G4PiData::TotalXSection: used outside validity range");
  }
  if(it==begin()) it++;
  G4double x1,x2,e1,e2;
  e1=(*(it-1)).first;
  x1=(*(it-1)).second.first;
  e2=(*(it)).first;
  x2=(*(it)).second.first;
  result = std::max(0., x1 + (kineticEnergy-e1)*(x2-x1)/(e2-e1));
  return result;
}

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The documentation for this class was generated from the following files:

• G4PiData.hh
• G4PiData.cc