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//$Id: G4teoCrossSection.cc,v 1.6 2010/06/06 23:40:35 mantero Exp $
// GEANT4 tag $Name: geant4-09-04-beta-cand-01 $
//
//         
//
// History:
// -----------
//  21 Apr 2009   ALF   1st implementation
//  29 Apr 2009   ALF Updated Desing for Integration
//
// -------------------------------------------------------------------
// Class description:
// Low Energy Electromagnetic Physics, Cross section, p ionisation, K shell
// Further documentation available from http://www.ge.infn.it/geant4/lowE
// -------------------------------------------------------------------


#include "globals.hh"
#include "G4teoCrossSection.hh"
//#include "G4AtomicTransitionManager.hh"
//#include "G4NistManager.hh"
#include "G4Proton.hh"
//#include "G4Alpha.hh"
//#include <math.h>

G4teoCrossSection::G4teoCrossSection(G4String shellModel)
  :totalCS(0)
{ 

  if (shellModel == "analytical") {
   
        
    ecpssrShellK  = new G4AnalyticalEcpssrKCrossSection();  
    ecpssrShellLi = new G4AnalyticalEcpssrLiCrossSection();
    
  }
}

G4teoCrossSection::~G4teoCrossSection()
{ 

  delete ecpssrShellK;
  delete ecpssrShellLi;

}

std::vector<G4double> G4teoCrossSection::GetCrossSection(G4int Z,
							     G4double incidentEnergy,
							     G4double mass,
							     G4double deltaEnergy,
							     G4bool testFlag) const
{

  deltaEnergy = 0;
  testFlag = 0;


  std::vector<G4double> crossSections;

  crossSections.push_back( ecpssrShellK->CalculateCrossSection(Z, mass, incidentEnergy) );
  
  //  G4Proton* aProtone = G4Proton::Proton();
  
  //  if (mass == aProtone->GetPDGMass() ) {
    

  //  }
  
    crossSections.push_back( ecpssrShellLi->CalculateL1CrossSection(Z, mass, incidentEnergy) );
    crossSections.push_back( ecpssrShellLi->CalculateL2CrossSection(Z, mass, incidentEnergy) );
    crossSections.push_back( ecpssrShellLi->CalculateL3CrossSection(Z, mass, incidentEnergy) );


  return crossSections;

}




std::vector<G4double> G4teoCrossSection::Probabilities(G4int Z,
							   G4double incidentEnergy,
							   G4double mass,
							   G4double deltaEnergy) const
{
  
std::vector<G4double> crossSections = GetCrossSection(Z, incidentEnergy, mass, deltaEnergy);

  for (size_t i=0; i<crossSections.size(); i++ ) {
    
    if (totalCS) {
      crossSections[i] = crossSections[i]/totalCS;
    }
    
  }

  return crossSections;

}


void G4teoCrossSection::SetTotalCS(G4double val){

  totalCS = val;

}