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// $Id: G4RangeTest.cc,v 1.8 2006/06/29 19:41:03 gunter Exp $
// GEANT4 tag $Name: geant4-09-02 $
//
// Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch)
//
// History:
// -----------
// 05 Oct 2001   MGP        Created
// 21 Jan 2003   VI         Cut per region
//
// -------------------------------------------------------------------

#include "G4RangeTest.hh"
#include "G4ParticleDefinition.hh"
#include "G4MaterialCutsCouple.hh"
#include "G4EnergyLossTables.hh"
#include "G4Electron.hh"
#include "G4Positron.hh"

G4RangeTest::~G4RangeTest()
{ }

G4bool G4RangeTest::Escape(const G4ParticleDefinition* particle,
			   const G4MaterialCutsCouple* couple,
			   G4double energy,
			   G4double safety) const
{
  G4bool value = true;
  size_t idx = 0;
  if(particle == G4Electron::Electron()) idx = 1;
  else if(particle == G4Positron::Positron()) idx = 2;
  if(idx>0) {
    G4double range = G4EnergyLossTables::GetRange(particle,energy,couple);
    G4double cut = couple->GetProductionCuts()->GetProductionCut(idx);
    G4double rMin = std::min(cut,safety);
    value = (range > rMin);
  }
  return value;
}