G4HadFinalState.cc

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//
// Modifications:
// 20110810  M. Kelsey -- Store secondaries by value, not by pointer.
//    Improve constness of argument passing.  Fix up some
//    functions to avoid creating temporaries.

#include "G4HadFinalState.hh"
#include "G4HadronicException.hh"


G4HadFinalState::G4HadFinalState()
  : theDirection(0,0,1), theEnergy(-1), theStat(isAlive), 
    theW(1.), theEDep(0.) {}

void G4HadFinalState::SetEnergyChange(G4double anEnergy) 
{
  theEnergy=anEnergy;
  if(theEnergy<0) 
    {
      std::cout << "Final state energy was: E = "<<theEnergy<<G4endl;
      throw G4HadronicException(__FILE__, __LINE__, 
      "G4HadFinalState: fatal - negative energy");
    }
}

void G4HadFinalState::SetMomentumChange(G4double x, G4double y, G4double z) 
{
  theDirection.set(x,y,z);
  if(std::fabs(x*x + y*y + z*z - 1.0)>0.001) {
    G4cout <<"We have negative theDirection.mag() = "<<theDirection.mag()
     <<G4endl;
    throw G4HadronicException(__FILE__, __LINE__, 
    "G4HadFinalState: fatal - negative direction.mag().");
  }
}

// Concatenate lists efficiently
void G4HadFinalState::AddSecondaries(const std::vector<G4HadSecondary>& addSecs)
{
  theSecs.insert(theSecs.end(),addSecs.begin(),addSecs.end());
}

void G4HadFinalState::Clear()
{
  theDirection.set(0,0,1);
  theEnergy = -1;
  theStat = isAlive;
  theW = 1.;
  theEDep = 0.;
  ClearSecondaries();
}

//void G4HadFinalState::SecondariesAreStale() { /*DEPRECATED*/ }

G4HadSecondary * G4HadFinalState::GetSecondary(size_t i) 
{
  if(i>theSecs.size()) {
    throw G4HadronicException(__FILE__, __LINE__, 
    "Trying direct access to secondary beyond end of list");
  }
  return &theSecs[i];
}

const G4HadSecondary* G4HadFinalState::GetSecondary(size_t i) const
{
  if(i>theSecs.size()) {
    throw G4HadronicException(__FILE__, __LINE__, 
    "Trying direct access to secondary beyond end of list");
  }
  return &theSecs[i];
}