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Stokhos_ReducedBasisFactoryImp.hpp
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41
42#include "Teuchos_TestForException.hpp"
48
49template <typename ordinal_type, typename value_type>
52 const Teuchos::ParameterList& params_) :
53 params(params_),
54 reduction_method(params.get("Reduced Basis Method",
55 "Monomial Proj Gram-Schmidt"))
56{
57}
58
59template <typename ordinal_type, typename value_type>
60Teuchos::RCP<Stokhos::ReducedPCEBasis<ordinal_type, value_type> >
63 ordinal_type p,
64 const Teuchos::Array< Stokhos::OrthogPolyApprox<ordinal_type, value_type> >& pce,
65 const Teuchos::RCP<const Stokhos::Quadrature<ordinal_type, value_type> >& quad,
66 const Teuchos::RCP< const Stokhos::Sparse3Tensor<ordinal_type, value_type> >& Cijk) const
67{
68 // Compute reduced basis
69 Teuchos::RCP<Stokhos::ReducedPCEBasis<ordinal_type, value_type> > red_basis;
70
71 if (reduction_method == "Monomial Proj Gram-Schmidt")
72 red_basis = Teuchos::rcp(new Stokhos::MonomialProjGramSchmidtPCEBasis<ordinal_type,value_type>(p, pce, quad, params));
73
74 else if (reduction_method == "Monomial Proj Gram-Schmidt2")
75 red_basis = Teuchos::rcp(new Stokhos::MonomialProjGramSchmidtPCEBasis2<ordinal_type,value_type>(p, pce, quad, params));
76
77 else if (reduction_method == "Monomial Gram-Schmidt")
78 red_basis = Teuchos::rcp(new Stokhos::MonomialGramSchmidtPCEBasis<ordinal_type,value_type>(p, pce, quad, params));
79
80 else if (reduction_method == "Product Lanczos")
81 red_basis = Teuchos::rcp(new Stokhos::ProductLanczosPCEBasis<ordinal_type,value_type>(p, pce, quad, Cijk, params));
82
83 else if (reduction_method == "Product Lanczos Gram-Schmidt")
84 red_basis = Teuchos::rcp(new Stokhos::ProductLanczosGramSchmidtPCEBasis<ordinal_type,value_type>(p, pce, quad, Cijk, params));
85
86 else
87 TEUCHOS_TEST_FOR_EXCEPTION(
88 true, std::logic_error,
89 "Invalid reduced basis method " << reduction_method);
90
91 return red_basis;
92}
Generate a basis from a given set of PCE expansions that is orthogonal with respect to the product me...
Generate a basis from a given set of PCE expansions that is orthogonal with respect to the product me...
Generate a basis from a given set of PCE expansions that is orthogonal with respect to the product me...
Class to store coefficients of a projection onto an orthogonal polynomial basis.
Generate a basis from a given set of PCE expansions that is orthogonal with respect to the product me...
Generate a basis from a given set of PCE expansions that is orthogonal with respect to the product me...
Abstract base class for quadrature methods.
virtual Teuchos::RCP< Stokhos::ReducedPCEBasis< ordinal_type, value_type > > createReducedBasis(ordinal_type p, const Teuchos::Array< Stokhos::OrthogPolyApprox< ordinal_type, value_type > > &pce, const Teuchos::RCP< const Stokhos::Quadrature< ordinal_type, value_type > > &quad, const Teuchos::RCP< const Stokhos::Sparse3Tensor< ordinal_type, value_type > > &Cijk) const
Get reduced quadrature object.
ReducedBasisFactory(const Teuchos::ParameterList &params)
Constructor.
Data structure storing a sparse 3-tensor C(i,j,k) in a a compressed format.