/usr/include/trilinos/Stokhos_QuadratureFactoryImp.hpp is in libtrilinos-stokhos-dev 12.10.1-3.
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// $Source$
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#include "Teuchos_Assert.hpp"
#include "Stokhos_BasisFactory.hpp"
#include "Stokhos_TensorProductQuadrature.hpp"
#include "Stokhos_SparseGridQuadrature.hpp"
#include "Stokhos_ProductBasis.hpp"
template <typename ordinal_type, typename value_type>
Teuchos::RCP<const Stokhos::Quadrature<ordinal_type, value_type> >
Stokhos::QuadratureFactory<ordinal_type, value_type>::
create(Teuchos::ParameterList& sgParams)
{
// Check if quadrature is already there
Teuchos::ParameterList& quadParams = sgParams.sublist("Quadrature");
Teuchos::RCP<const Stokhos::Quadrature<ordinal_type,value_type> > quad =
quadParams.template get< Teuchos::RCP<const Stokhos::Quadrature<ordinal_type,value_type> > >("Stochastic Galerkin Quadrature", Teuchos::null);
if (quad != Teuchos::null)
return quad;
// Get basis
Teuchos::ParameterList& basisParams = sgParams.sublist("Basis");
Teuchos::RCP< const Stokhos::OrthogPolyBasis<ordinal_type,value_type> > basis;
if (basisParams.template isType< Teuchos::RCP< const Stokhos::OrthogPolyBasis<ordinal_type,value_type> > >("Stochastic Galerkin Basis"))
basis = basisParams.template get< Teuchos::RCP<const Stokhos::OrthogPolyBasis<ordinal_type,value_type> > >("Stochastic Galerkin Basis");
else
basis = Stokhos::BasisFactory<ordinal_type,value_type>::create(sgParams);
Teuchos::RCP<const Stokhos::ProductBasis<ordinal_type,value_type> > product_basis = Teuchos::rcp_dynamic_cast<const Stokhos::ProductBasis<ordinal_type,value_type> >(basis, true);
// Create quadrature
std::string quad_type = quadParams.get("Type", "Tensor Product");
if (quad_type == "Tensor Product") {
if (quadParams.isType<ordinal_type>("Quadrature Order")) {
ordinal_type order = quadParams.get<ordinal_type>("Quadrature Order");
quad =
Teuchos::rcp(new Stokhos::TensorProductQuadrature<ordinal_type,value_type>(product_basis, order));
}
else {
quad =
Teuchos::rcp(new Stokhos::TensorProductQuadrature<ordinal_type,value_type>(product_basis));
}
}
else if (quad_type == "Sparse Grid") {
#ifdef HAVE_STOKHOS_DAKOTA
ordinal_type level = quadParams.get("Sparse Grid Level", 0);
value_type dup_tol = quadParams.get("Duplicate Tolerance", 1e-12);
ordinal_type growth = quadParams.get<ordinal_type>(
"Growth Rule", Pecos::SLOW_RESTRICTED_GROWTH);
quad =
Teuchos::rcp(new Stokhos::SparseGridQuadrature<ordinal_type,value_type>(
product_basis, level, dup_tol, growth));
#else
TEUCHOS_TEST_FOR_EXCEPTION(true, Teuchos::Exceptions::InvalidParameter,
std::endl <<
"Error! Stokhos::QuadratureFactory::create(): " <<
"Sparse Grid Quadrature requires Dakota!" << std::endl);
#endif
}
else
TEUCHOS_TEST_FOR_EXCEPTION(true, Teuchos::Exceptions::InvalidParameter,
std::endl <<
"Error! Stokhos::QuadratureFactory::create(): " <<
"Invalid quadrature type " << quad_type << std::endl);
quadParams.set("Stochastic Galerkin Quadrature", quad);
return quad;
}
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