Stokhos Package Browser (Single Doxygen Collection) Version of the Day
Loading...
Searching...
No Matches
Stokhos_PseudoSpectralOperatorFactoryImp.hpp
Go to the documentation of this file.
1// $Id$
2// $Source$
3// @HEADER
4// ***********************************************************************
5//
6// Stokhos Package
7// Copyright (2009) Sandia Corporation
8//
9// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
10// license for use of this work by or on behalf of the U.S. Government.
11//
12// Redistribution and use in source and binary forms, with or without
13// modification, are permitted provided that the following conditions are
14// met:
15//
16// 1. Redistributions of source code must retain the above copyright
17// notice, this list of conditions and the following disclaimer.
18//
19// 2. Redistributions in binary form must reproduce the above copyright
20// notice, this list of conditions and the following disclaimer in the
21// documentation and/or other materials provided with the distribution.
22//
23// 3. Neither the name of the Corporation nor the names of the
24// contributors may be used to endorse or promote products derived from
25// this software without specific prior written permission.
26//
27// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
28// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
31// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
32// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
33// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
34// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
35// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
36// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
37// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38//
39// Questions? Contact Eric T. Phipps (etphipp@sandia.gov).
40//
41// ***********************************************************************
42// @HEADER
43
50
51template <typename ordinal_type, typename value_type>
52Teuchos::RCP<const typename Stokhos::PseudoSpectralOperatorFactory<ordinal_type, value_type>::psop_type>
54create(Teuchos::ParameterList& sgParams)
55{
56 // Check if operator is already there
57 Teuchos::ParameterList& psopParams =
58 sgParams.sublist("Pseudospectral Operator");
59 Teuchos::RCP<const psop_type> psop =
60 psopParams.template get< Teuchos::RCP<const psop_type> >("Stochastic Galerkin Pseudospectral Operator", Teuchos::null);
61 if (psop != Teuchos::null)
62 return psop;
63
64 // Get basis
65 Teuchos::ParameterList& basisParams = sgParams.sublist("Basis");
66 Teuchos::RCP< const OrthogPolyBasis<ordinal_type,value_type> > basis;
67 if (basisParams.template isType< Teuchos::RCP< const OrthogPolyBasis<ordinal_type,value_type> > >("Stochastic Galerkin Basis"))
68 basis = basisParams.template get< Teuchos::RCP<const OrthogPolyBasis<ordinal_type,value_type> > >("Stochastic Galerkin Basis");
69 else
71
72 // Create operator
73 std::string type = psopParams.get("Type", "Tensor Product");
74
75 if (type == "Tensor Product") {
76 bool use_pst = psopParams.get("Use PST", false);
77 Teuchos::RCP<const ProductBasis<ordinal_type,value_type> > product_basis = Teuchos::rcp_dynamic_cast<const ProductBasis<ordinal_type,value_type> >(basis, true);
78 psop =
79 Teuchos::rcp(new TensorProductPseudoSpectralOperator<ordinal_type,value_type>(*product_basis, use_pst));
80 }
81
82 else if (type == "Smolyak") {
83 bool use_pst = psopParams.get("Use PST", true);
84 bool use_smolyak = psopParams.get("Use Smolyak Apply", true);
85 Teuchos::RCP<const SmolyakBasis<ordinal_type,value_type> > smolyak_basis = Teuchos::rcp_dynamic_cast<const SmolyakBasis<ordinal_type,value_type> >(basis, true);
86 psop =
87 Teuchos::rcp(new SmolyakPseudoSpectralOperator<ordinal_type,value_type>(
88 *smolyak_basis, use_smolyak, use_pst));
89 }
90
91 else if (type == "Quadrature") {
92 Teuchos::ParameterList& quadParams = sgParams.sublist("Quadrature");
93 Teuchos::RCP<const Stokhos::Quadrature<ordinal_type,value_type> > quad;
94 if (quadParams.template isType<Teuchos::RCP<const Stokhos::Quadrature<ordinal_type,value_type> > >("Stochastic Galerkin Quadrature"))
95 quad = quadParams.template get<Teuchos::RCP<const Stokhos::Quadrature<ordinal_type,value_type> > >("Stochastic Galerkin Quadrature");
96 else {
97 quad =
99 quadParams.set("Stochastic Galerkin Quadrature", quad);
100 }
101 psop =
102 Teuchos::rcp(new QuadraturePseudoSpectralOperator<ordinal_type,value_type>(*basis, *quad));
103 }
104
105 else
106 TEUCHOS_TEST_FOR_EXCEPTION(
107 true, Teuchos::Exceptions::InvalidParameter,
108 std::endl <<
109 "Invalid pseudospectral operator type " << type << std::endl);
110
111 psopParams.set("Stochastic Galerkin Pseudospectral Operator", psop);
112 return psop;
113}
Factory for building multivariate orthogonal polynomial bases.
static Teuchos::RCP< const psop_type > create(Teuchos::ParameterList &sgParams)
Generate pseudospectral operator object.
static Teuchos::RCP< const Stokhos::Quadrature< ordinal_type, value_type > > create(Teuchos::ParameterList &sgParams)
Generate quadrature object.
Abstract base class for quadrature methods.