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//                           Intrepid Package
//                 Copyright (2007) Sandia Corporation
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// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
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#ifndef INTREPID_CUBATURE_TENSOR_HPP
#define INTREPID_CUBATURE_TENSOR_HPP

#include "Intrepid_ConfigDefs.hpp"
#include "Intrepid_Cubature.hpp"
#include "Intrepid_CubatureDirect.hpp"
#include "Teuchos_TestForException.hpp"


namespace Intrepid {

template<class Scalar, class ArrayPoint = FieldContainer<Scalar>, class ArrayWeight = ArrayPoint>
class CubatureTensor : public Intrepid::Cubature<Scalar,ArrayPoint,ArrayWeight> {
  private:

  std::vector<int> degree_;

  int dimension_;

  std::vector< Teuchos::RCP<Cubature<Scalar,ArrayPoint,ArrayWeight> > > cubatures_;
  
  public:

  ~CubatureTensor() {}

  CubatureTensor( std::vector< Teuchos::RCP<Cubature<Scalar,ArrayPoint,ArrayWeight> > > cubatures);

  CubatureTensor(Teuchos::RCP<CubatureDirect<Scalar,ArrayPoint,ArrayWeight> > cubature1,
                 Teuchos::RCP<CubatureDirect<Scalar,ArrayPoint,ArrayWeight> > cubature2);

  CubatureTensor(Teuchos::RCP<CubatureDirect<Scalar,ArrayPoint,ArrayWeight> > cubature1,
                 Teuchos::RCP<CubatureDirect<Scalar,ArrayPoint,ArrayWeight> > cubature2,
                 Teuchos::RCP<CubatureDirect<Scalar,ArrayPoint,ArrayWeight> > cubature3);

  CubatureTensor(Teuchos::RCP<CubatureDirect<Scalar,ArrayPoint,ArrayWeight> > cubature, int n);

  virtual void getCubature(ArrayPoint  & cubPoints,
                           ArrayWeight & cubWeights) const;

  virtual int getNumPoints() const;

  virtual int getDimension() const;

  virtual void getAccuracy(std::vector<int> & degree) const;

}; // end class CubatureTensor 


} // end namespace Intrepid


// include templated definitions
#include <Intrepid_CubatureTensorDef.hpp>

#endif