43 #ifndef IFPACK2_DETAILS_FACTORY_DEF_HPP 44 #define IFPACK2_DETAILS_FACTORY_DEF_HPP 46 #include "Ifpack2_Factory.hpp" 48 #include "Ifpack2_Details_OneLevelFactory.hpp" 49 #include "Ifpack2_AdditiveSchwarz.hpp" 50 #if defined(HAVE_IFPACK2_EXPERIMENTAL) && defined(HAVE_IFPACK2_SUPPORTGRAPH) 51 # include "Ifpack2_SupportGraph.hpp" 52 #endif // defined(HAVE_IFPACK2_EXPERIMENTAL) && defined(HAVE_IFPACK2_SUPPORTGRAPH) 57 template<
class SC,
class LO,
class GO,
class NT>
58 Teuchos::RCP<typename Factory<SC, LO, GO, NT>::prec_type>
60 create (
const std::string& precType,
61 const Teuchos::RCP<const row_matrix_type>& matrix,
69 std::string precTypeUpper = canonicalize(precType);
71 if (precTypeUpper ==
"SCHWARZ") {
86 prec = rcp (
new AdditiveSchwarz<row_matrix_type> (matrix, overlap));
88 else if (precTypeUpper ==
"KRYLOV") {
89 TEUCHOS_TEST_FOR_EXCEPTION
90 (
true, std::invalid_argument,
"The \"KRYLOV\" preconditioner option has " 91 "been deprecated and removed. If you want a Krylov solver, use the " 94 #if defined(HAVE_IFPACK2_EXPERIMENTAL) && defined(HAVE_IFPACK2_SUPPORTGRAPH) 95 else if (precTypeUpper ==
"SUPPORTGRAPH") {
96 prec = rcp (
new SupportGraph<row_matrix_type> (matrix));
101 Details::OneLevelFactory<row_matrix_type> factory;
102 prec = factory.create (precType, matrix);
103 }
catch (std::invalid_argument&) {
104 TEUCHOS_TEST_FOR_EXCEPTION(
105 true, std::invalid_argument,
"Ifpack2::Factory::create: " 106 "Invalid preconditioner type \"" << precType <<
"\".");
112 template<
class SC,
class LO,
class GO,
class NT>
113 Teuchos::RCP<typename Factory<SC, LO, GO, NT>::prec_type>
115 create (
const std::string& precType,
116 const Teuchos::RCP<const row_matrix_type>& matrix)
123 std::string precTypeUpper (precType);
124 if (precTypeUpper.size () > 0) {
125 for (
size_t k = 0; k < precTypeUpper.size (); ++k) {
126 precTypeUpper[k] = ::toupper(precTypeUpper[k]);
130 if (precTypeUpper ==
"SCHWARZ") {
152 prec = rcp (
new AdditiveSchwarz<row_matrix_type> (matrix));
154 else if (precTypeUpper ==
"KRYLOV") {
155 TEUCHOS_TEST_FOR_EXCEPTION
156 (
true, std::invalid_argument,
"The \"KRYLOV\" preconditioner option has " 157 "been deprecated and removed. If you want a Krylov solver, use the " 160 #if defined(HAVE_IFPACK2_EXPERIMENTAL) && defined(HAVE_IFPACK2_SUPPORTGRAPH) 161 else if (precTypeUpper ==
"SUPPORTGRAPH") {
162 prec = rcp (
new SupportGraph<row_matrix_type> (matrix));
166 bool success =
false;
167 std::ostringstream err;
169 Details::OneLevelFactory<row_matrix_type> factory;
170 prec = factory.create (precType, matrix);
172 }
catch (std::invalid_argument& e) {
173 err <<
"Ifpack2::Factory::create: Invalid preconditioner type \"" 174 << precType <<
"\". More information for Ifpack2 developers: " 177 TEUCHOS_TEST_FOR_EXCEPTION(! success, std::invalid_argument, err.str ());
180 TEUCHOS_TEST_FOR_EXCEPTION(
181 prec.is_null (), std::logic_error,
"Ifpack2::Factory::create: " 182 "Return value is null right before return. This should never happen. " 183 "Please report this bug to the Ifpack2 developers.");
188 template<
class SC,
class LO,
class GO,
class NT>
190 Factory<SC, LO, GO, NT>::
191 isSupported (
const std::string& precType)
194 std::string precTypeUpper = canonicalize(precType);
196 std::vector<std::string> supportedNames = {
198 #if defined(HAVE_IFPACK2_EXPERIMENTAL) && defined(HAVE_IFPACK2_SUPPORTGRAPH) 202 auto it = std::find(std::begin(supportedNames), std::end(supportedNames), precTypeUpper);
204 if (it != std::end(supportedNames)) {
207 Details::OneLevelFactory<row_matrix_type> factory;
208 return factory.isSupported (precType);
215 #define IFPACK2_DETAILS_FACTORY_INSTANT(S, LO, GO, N) \ 216 template class Ifpack2::Details::Factory<S, LO, GO, N>; 218 #endif // IFPACK2_DETAILS_FACTORY_DEF_HPP Ifpack2 implementation details.
File for utility functions.
static Teuchos::RCP< Preconditioner< typename MatrixType::scalar_type, typename MatrixType::local_ordinal_type, typename MatrixType::global_ordinal_type, typename MatrixType::node_type > > create(const std::string &precType, const Teuchos::RCP< const MatrixType > &matrix)
Create an instance of Ifpack2_Preconditioner given the string name of the preconditioner type...
Definition: Ifpack2_Factory_decl.hpp:132
Preconditioners and smoothers for Tpetra sparse matrices.
Definition: Ifpack2_AdditiveSchwarz_decl.hpp:73