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// $Id: G4ErrorTrajState.cc,v 1.2 2007/05/29 14:41:35 gcosmo Exp $
// GEANT4 tag $Name: geant4-09-03 $
//
// ------------------------------------------------------------
//      GEANT 4 class implementation file 
// ------------------------------------------------------------
//

#include "G4ErrorTrajState.hh"
#include "G4ParticleTable.hh"
#include "G4ParticleDefinition.hh"
#include "G4ErrorPropagatorData.hh"

#include <iomanip>

//--------------------------------------------------------------------------
G4ErrorTrajState::G4ErrorTrajState( const G4String& partType,
                                    const G4Point3D& pos,
                                    const G4Vector3D& mom,
                                    const G4ErrorTrajErr& errmat)
  : fParticleType(partType), fPosition(pos), fMomentum(mom), fError(errmat)
{
  iverbose = G4ErrorPropagatorData::verbose();
}


//--------------------------------------------------------------------------
G4int G4ErrorTrajState::PropagateError( const G4Track* )
{ 
  G4cerr << "ERROR - G4ErrorTrajState::PropagateError()" << G4endl
         << "        Called for trajectory state type "
         << G4int(GetTSType()) << G4endl;
  G4Exception("G4ErrorTrajState::PropagateError", "GEANT4e-Error",
              FatalException, "Wrong trajectory state type");
   return -1; 
}


//--------------------------------------------------------------------------
void G4ErrorTrajState::UpdatePosMom( const G4Point3D& pos,
                                     const G4Vector3D& mom )
{
  fPosition = pos;
  fMomentum = mom;
}


//--------------------------------------------------------------------------
void G4ErrorTrajState::SetData( const G4String& partType,
                                const G4Point3D& pos, const G4Vector3D& mom )
{
  fParticleType = partType;
  BuildCharge();
  fPosition = pos;
  fMomentum = mom;
}


//--------------------------------------------------------------------------
void G4ErrorTrajState::BuildCharge()
{
  G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
  G4ParticleDefinition* particle = particleTable->FindParticle(fParticleType); 
  if( particle == 0)
  {
    G4cerr << "ERROR - G4ErrorTrajState::BuildCharge()" << G4endl
           << "        Particle type not defined: " << fParticleType << G4endl;
    G4Exception( "G4ErrorTrajState::BuildCharge()", "GEANT4e-error",
                  FatalException, "Particle type not defined!");
  }
  else
  {
    fCharge = particle->GetPDGCharge();
  }
}


//------------------------------------------------------------------------
void G4ErrorTrajState::DumpPosMomError( std::ostream& out ) const
{
  out << *this;
}


//--------------------------------------------------------------------------
std::ostream& operator<<(std::ostream& out, const G4ErrorTrajState& ts)
{
  //  long mode = out.setf(std::ios::fixed,std::ios::floatfield);
  out  
    << " G4ErrorTrajState of type " << ts.theTSType << " : partycle: "
    << ts.fParticleType << "  position: " << std::setw(6) << ts.fPosition
    << "              momentum: " << ts.fMomentum
    << "   error matrix ";
  G4cout << ts.fError << G4endl;

  return out;
}

