/usr/include/trilinos/Stokhos_StieltjesGramSchmidtBuilder.hpp is in libtrilinos-stokhos-dev 12.4.2-2.
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// $Source: /space/CVS/Trilinos/packages/stokhos/src/Stokhos_SGModelEvaluator.cpp,v $
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#ifndef STOKHOS_STIELTJES_GRAM_SCHMIDT_BUILDER_HPP
#define STOKHOS_STIELTJES_GRAM_SCHMIDT_BUILDER_HPP
#include "Teuchos_Array.hpp"
#include "Teuchos_RCP.hpp"
#include "Stokhos_Quadrature.hpp"
#include "Stokhos_OrthogPolyApprox.hpp"
#include "Stokhos_OrthogPolyBasis.hpp"
#include "Stokhos_GramSchmidtBasis.hpp"
#include "Stokhos_UserDefinedQuadrature.hpp"
namespace Stokhos {
/*!
* \brief Class for building a reduced-dimension basis and quadrature from
* a given set of polynomial chaos expansions. First generates 1-D
* orthogonal bases using the discretized Stieltjes procedure, forms their
* tensor product, and then orthogonalizes using Gram-Schmidt.
*/
template <typename ordinal_type, typename value_type>
class StieltjesGramSchmidtBuilder {
public:
//! Constructor
StieltjesGramSchmidtBuilder(
const Teuchos::RCP<const Quadrature<ordinal_type, value_type> >& quad,
const Teuchos::Array< OrthogPolyApprox<ordinal_type, value_type> >& pces,
ordinal_type new_order, bool use_pce_qp, bool normalize);
//! Destructor
~StieltjesGramSchmidtBuilder() {}
//! Get reduced basis
Teuchos::RCP<const OrthogPolyBasis<ordinal_type, value_type> >
getReducedBasis() const;
//! Get reduced quadrature
Teuchos::RCP<Quadrature<ordinal_type, value_type> >
getReducedQuadrature() const;
//! Get reduced PCEs
void
computeReducedPCEs(
const Teuchos::Array< OrthogPolyApprox<ordinal_type, value_type> >& pces,
Teuchos::Array< OrthogPolyApprox<ordinal_type, value_type> >& new_pces);
private:
// Prohibit copying
StieltjesGramSchmidtBuilder(const StieltjesGramSchmidtBuilder&);
// Prohibit Assignment
StieltjesGramSchmidtBuilder& operator=(const StieltjesGramSchmidtBuilder& b);
protected:
//! Quadrature object for original basis
Teuchos::RCP<const Quadrature<ordinal_type, value_type> > quad;
//! Reduced tensor basis
Teuchos::RCP<const OrthogPolyBasis<ordinal_type,value_type> > tensor_basis;
//! Reduced Gram-Schmidt basis
Teuchos::RCP< GramSchmidtBasis<ordinal_type,value_type> > gs_basis;
//! Reduced quadrature
Teuchos::RCP< UserDefinedQuadrature<ordinal_type, value_type> > gs_quad;
}; // class StieltjesGramSchmidtBuilder
} // Namespace Stokhos
// Include template definitions
#include "Stokhos_StieltjesGramSchmidtBuilderImp.hpp"
#endif // STOKHOS_STIELTJES_GRAM_SCHMIDT_BUILDER_HPP
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