/usr/include/trilinos/Stokhos_PseudoSpectralOperatorFactoryImp.hpp is in libtrilinos-stokhos-dev 12.10.1-3.
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// $Source$
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#include "Stokhos_BasisFactory.hpp"
#include "Stokhos_ProductBasis.hpp"
#include "Stokhos_TensorProductPseudoSpectralOperator.hpp"
#include "Stokhos_SmolyakPseudoSpectralOperator.hpp"
#include "Stokhos_QuadraturePseudoSpectralOperator.hpp"
#include "Stokhos_QuadratureFactory.hpp"
template <typename ordinal_type, typename value_type>
Teuchos::RCP<const typename Stokhos::PseudoSpectralOperatorFactory<ordinal_type, value_type>::psop_type>
Stokhos::PseudoSpectralOperatorFactory<ordinal_type, value_type>::
create(Teuchos::ParameterList& sgParams)
{
// Check if operator is already there
Teuchos::ParameterList& psopParams =
sgParams.sublist("Pseudospectral Operator");
Teuchos::RCP<const psop_type> psop =
psopParams.template get< Teuchos::RCP<const psop_type> >("Stochastic Galerkin Pseudospectral Operator", Teuchos::null);
if (psop != Teuchos::null)
return psop;
// Get basis
Teuchos::ParameterList& basisParams = sgParams.sublist("Basis");
Teuchos::RCP< const OrthogPolyBasis<ordinal_type,value_type> > basis;
if (basisParams.template isType< Teuchos::RCP< const OrthogPolyBasis<ordinal_type,value_type> > >("Stochastic Galerkin Basis"))
basis = basisParams.template get< Teuchos::RCP<const OrthogPolyBasis<ordinal_type,value_type> > >("Stochastic Galerkin Basis");
else
basis = BasisFactory<ordinal_type,value_type>::create(sgParams);
// Create operator
std::string type = psopParams.get("Type", "Tensor Product");
if (type == "Tensor Product") {
bool use_pst = psopParams.get("Use PST", false);
Teuchos::RCP<const ProductBasis<ordinal_type,value_type> > product_basis = Teuchos::rcp_dynamic_cast<const ProductBasis<ordinal_type,value_type> >(basis, true);
psop =
Teuchos::rcp(new TensorProductPseudoSpectralOperator<ordinal_type,value_type>(*product_basis, use_pst));
}
else if (type == "Smolyak") {
bool use_pst = psopParams.get("Use PST", true);
bool use_smolyak = psopParams.get("Use Smolyak Apply", true);
Teuchos::RCP<const SmolyakBasis<ordinal_type,value_type> > smolyak_basis = Teuchos::rcp_dynamic_cast<const SmolyakBasis<ordinal_type,value_type> >(basis, true);
psop =
Teuchos::rcp(new SmolyakPseudoSpectralOperator<ordinal_type,value_type>(
*smolyak_basis, use_smolyak, use_pst));
}
else if (type == "Quadrature") {
Teuchos::ParameterList& quadParams = sgParams.sublist("Quadrature");
Teuchos::RCP<const Stokhos::Quadrature<ordinal_type,value_type> > quad;
if (quadParams.template isType<Teuchos::RCP<const Stokhos::Quadrature<ordinal_type,value_type> > >("Stochastic Galerkin Quadrature"))
quad = quadParams.template get<Teuchos::RCP<const Stokhos::Quadrature<ordinal_type,value_type> > >("Stochastic Galerkin Quadrature");
else {
quad =
Stokhos::QuadratureFactory<ordinal_type,value_type>::create(sgParams);
quadParams.set("Stochastic Galerkin Quadrature", quad);
}
psop =
Teuchos::rcp(new QuadraturePseudoSpectralOperator<ordinal_type,value_type>(*basis, *quad));
}
else
TEUCHOS_TEST_FOR_EXCEPTION(
true, Teuchos::Exceptions::InvalidParameter,
std::endl <<
"Invalid pseudospectral operator type " << type << std::endl);
psopParams.set("Stochastic Galerkin Pseudospectral Operator", psop);
return psop;
}
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