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// $Id$
//
////////////////////////////////////////////////////////////////////////
// PhysicsOrderedFreeVector Class Definition
////////////////////////////////////////////////////////////////////////
//
// File:	G4PhysicsOrderedFreeVector.hh
// Created:     1996-08-13
// Author:      Juliet Armstrong
// Updated:     1997-03-25 by Peter Gumplinger
//		> cosmetics (only)
//              2000-11-11 by H.Kurashige
//              > use STL vector for dataVector and binVector
// mail:        gum@triumf.ca
//
// Class description:
//
//    A physics ordered free vector inherits from G4PhysicsVector which
//    has values of energy-loss, cross-section, and other physics values
//    of a particle in matter in a given range of the energy, momentum,
//    etc.). In addition, the ordered free vector provides a method for
//    the user to insert energy/value pairs in sequence.  Methods to
//    Retrieve the Max and Min energies and values from the vector are
//    also provided. 

////////////////////////////////////////////////////////////////////////

#ifndef G4PhysicsOrderedFreeVector_h
#define G4PhysicsOrderedFreeVector_h 1

/////////////
// Includes
/////////////

#include "G4PhysicsVector.hh"

/////////////////////
// Class Definition
/////////////////////

class G4PhysicsOrderedFreeVector : public G4PhysicsVector 
{

 public: // with description
	
  ////////////////////////////////
  // Constructors and Destructor
  ////////////////////////////////
  
  G4PhysicsOrderedFreeVector();
  G4PhysicsOrderedFreeVector(G4double* Energies,
			     G4double* Values,
			     size_t VectorLength);
  
  virtual ~G4PhysicsOrderedFreeVector();
  
  ////////////
  // Methods
  ////////////
  
  void InsertValues(G4double energy, G4double value); 

  G4double GetLowEdgeEnergy(size_t binNumber) const;
  
  G4double GetMaxValue();
  
  G4double GetMinValue();
  
  G4double GetEnergy(G4double aValue);
  
  G4double GetMaxLowEdgeEnergy();
  
  G4double GetMinLowEdgeEnergy();
  
  void DumpValues();

 private:

  virtual size_t FindBinLocation(G4double theEnergy) const;
  
  size_t FindValueBinLocation(G4double aValue);
  
  G4double LinearInterpolationOfEnergy(G4double aValue, size_t theLocBin);
};

#include "G4PhysicsOrderedFreeVector.icc"

#endif /* G4PhysicsOrderedFreeVector_h */