Sacado_PCE_TripleProduct.hpp

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// $Id: Sacado_PCE_TripleProduct.hpp,v 1.1 2007/11/14 00:18:19 etphipp Exp $ 
// $Source: /space/CVS/Trilinos/packages/sacado/src/pce/Sacado_PCE_TripleProduct.hpp,v $ 
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// ***********************************************************************
// 
//                           Sacado Package
//                 Copyright (2006) Sandia Corporation
// 
// 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.
// 
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
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// This library is distributed in the hope that it will be useful, but
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//  
// You should have received a copy of the GNU Lesser General Public
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// Questions? Contact David M. Gay (dmgay@sandia.gov) or Eric T. Phipps
// (etphipp@sandia.gov).
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#ifndef SACADO_PCE_TRIPLEPRODUCT_HPP
#define SACADO_PCE_TRIPLEPRODUCT_HPP

#include <vector>

namespace Sacado {

  namespace PCE {

    template <typename BasisT>
    class TripleProduct {
    public:

      typedef BasisT basis_type;

      typedef typename BasisT::value_type value_type;

      TripleProduct(unsigned int degree);

      TripleProduct(const TripleProduct& tp);
      
      ~TripleProduct();

      TripleProduct& operator=(const TripleProduct& tp);
      
      const value_type& value(unsigned int i, unsigned int j, 
            unsigned int k) const;
      
      const value_type& norm_squared(unsigned int i) const;

      unsigned int size() const { return l; }

      const BasisT& getBasis() const { return basis; }

      void resize(unsigned int degree);

    protected:

      void compute();
      
    protected:

      unsigned int l;

      BasisT basis;

      std::vector<value_type> Cijk;

    }; // class Triple Product

  } // namespace PCE

} // namespace Sacado

// Include template definitions
#include "Sacado_PCE_TripleProductImp.hpp"

#endif // SACADO_PCE_TRIPLEPRODUCT_HPP

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