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// $Id: G4tgrMaterialMixture.hh,v 1.2 2008/12/18 12:58:44 gunter Exp $
// GEANT4 tag $Name: geant4-09-03 $
//
//
// class G4tgrMaterialMixture
//
// Class description:
//
// Class to represent a material mixture.

// History:
// - Created.                                 P.Arce, CIEMAT (November 2007)
// -------------------------------------------------------------------------

#ifndef G4tgrMaterialMixture_h
#define G4tgrMaterialMixture_h

#include "globals.hh"

#include <iostream>
#include <vector>

#include "G4tgrMaterial.hh"

class G4tgrMaterialMixture : public G4tgrMaterial
{
  public:  // with description

    G4tgrMaterialMixture(const G4String& matType,
                         const std::vector<G4String>& wl);
      // Fill the data interpreting the list of words read 'wl'

    friend std::ostream& operator<<(std::ostream&, const G4tgrMaterialMixture&);

    // Get methods

    G4double GetA() const { return 0.; }
    G4double GetZ() const { return 0.; }
    const G4String& GetComponent(G4int i) const { return theComponents[i]; } 
    G4double GetFraction(G4int i) { return theFractions[i]; } 

    G4tgrMaterialMixture operator= (const G4tgrMaterialMixture&); 

  public:  // without description

    G4tgrMaterialMixture();
   ~G4tgrMaterialMixture();

  protected:

    void TransformToFractionsByWeight(){};

  protected:

    std::vector<G4String>  theComponents;
    std::vector<G4double>  theFractions;
};

#endif
