Stokhos_SmolyakSparseGridQuadrature.hpp

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// @HEADER
// *****************************************************************************
//                           Stokhos Package
//
// Copyright 2009 NTESS and the Stokhos contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER

#ifndef STOKHOS_SMOLYAK_SPARSE_GRID_QUADRATURE_HPP
#define STOKHOS_SMOLYAK_SPARSE_GRID_QUADRATURE_HPP

#include "Stokhos_Quadrature.hpp"
#include "Stokhos_ProductBasis.hpp"
#include "Stokhos_SmolyakPseudoSpectralOperator.hpp"
#include "Teuchos_RCP.hpp"

namespace Stokhos {

  template < typename ordinal_type, typename value_type,
             typename point_compare_type =
             typename DefaultPointCompare<ordinal_type,value_type>::type >
  class SmolyakSparseGridQuadrature :
    public Quadrature<ordinal_type,value_type> {
  public:


    template <typename index_set_type>
    SmolyakSparseGridQuadrature(
      const Teuchos::RCP<const ProductBasis<ordinal_type,value_type> >& product_basis,
      const index_set_type& index_set,
      const value_type duplicate_tol = 1.0e-12,
      const point_compare_type& point_compare = point_compare_type());

    virtual ~SmolyakSparseGridQuadrature() {}

    virtual ordinal_type size() const { return quad_weights.size(); }


    virtual const Teuchos::Array< Teuchos::Array<value_type> >&
    getQuadPoints() const;


    virtual const Teuchos::Array<value_type>&
    getQuadWeights() const;


    virtual const Teuchos::Array< Teuchos::Array<value_type> > &
    getBasisAtQuadPoints() const;

    virtual std::ostream& print(std::ostream& os) const;

  private:

    // Prohibit copying
    SmolyakSparseGridQuadrature(const SmolyakSparseGridQuadrature&);

    // Prohibit Assignment
    SmolyakSparseGridQuadrature& operator=(const SmolyakSparseGridQuadrature& b);

  protected:

    Teuchos::Array< Teuchos::Array<value_type> > quad_points;

    Teuchos::Array<value_type> quad_weights;

    Teuchos::Array< Teuchos::Array<value_type> >  quad_values;

  }; // class SmolyakSparseGridQuadrature

} // namespace Stokhos

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

#endif //STOKHOS_SMOLYAK_SPARSE_GRID_QUADRATURE_HPP