46#ifndef MUELU_XPETRAOPERATOR_DEF_HPP
47#define MUELU_XPETRAOPERATOR_DEF_HPP
55 template<
class Scalar,
class LocalOrdinal,
class GlobalOrdinal,
class Node>
56 Teuchos::RCP<const Xpetra::Map<LocalOrdinal,GlobalOrdinal,Node> >
59 typedef Xpetra::Matrix<Scalar, LocalOrdinal, GlobalOrdinal, Node> Matrix;
61 RCP<Matrix> A = Hierarchy_->GetLevel(0)->template Get<RCP<Matrix> >(
"A");
62 return A->getDomainMap();
65 template<
class Scalar,
class LocalOrdinal,
class GlobalOrdinal,
class Node>
66 Teuchos::RCP<const Xpetra::Map<LocalOrdinal,GlobalOrdinal,Node> >
69 typedef Xpetra::Matrix<Scalar, LocalOrdinal, GlobalOrdinal, Node> Matrix;
71 RCP<Matrix> A = Hierarchy_->GetLevel(0)->template Get<RCP<Matrix> >(
"A");
72 return A->getRangeMap();
75 template<
class Scalar,
class LocalOrdinal,
class GlobalOrdinal,
class Node>
78 apply(
const Xpetra::MultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>& X,
79 Xpetra::MultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node>& Y,
80 Teuchos::ETransp mode,
83 TEUCHOS_TEST_FOR_EXCEPTION(mode!=Teuchos::NO_TRANS,std::logic_error,
"MueLu::XpetraOperator does not support applying the adjoint operator");
85#ifdef HAVE_MUELU_DEBUG
86 typedef Xpetra::Matrix<Scalar, LocalOrdinal, GlobalOrdinal, Node> Matrix;
87 RCP<Matrix> A = Hierarchy_->GetLevel(0)->template Get<RCP<Matrix> >(
"A");
90 RCP<Xpetra::MultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node> > Xop =
91 Xpetra::MultiVectorFactory<Scalar,LocalOrdinal,GlobalOrdinal,Node>::Build(A->getRangeMap(),X.getNumVectors());
92 RCP<Xpetra::MultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node> > Yop =
93 Xpetra::MultiVectorFactory<Scalar,LocalOrdinal,GlobalOrdinal,Node>::Build(A->getDomainMap(),Y.getNumVectors());
94 TEUCHOS_TEST_FOR_EXCEPTION(A->getRangeMap()->isSameAs(*(Xop->getMap())) ==
false, std::logic_error,
95 "MueLu::XpetraOperator::apply: map of X is incompatible with range map of A");
96 TEUCHOS_TEST_FOR_EXCEPTION(A->getDomainMap()->isSameAs(*(Yop->getMap())) ==
false, std::logic_error,
97 "MueLu::XpetraOperator::apply: map of Y is incompatible with domain map of A");
99 Hierarchy_->Iterate(X, Y, 1,
true);
100 }
catch (std::exception& e) {
102 std::cerr <<
"Caught an exception in MueLu::XpetraOperator::apply():" << std::endl
103 << e.what() << std::endl;
107 template<
class Scalar,
class LocalOrdinal,
class GlobalOrdinal,
class Node>
110 residual(
const Xpetra::MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > & X,
111 const Xpetra::MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > & B,
112 Xpetra::MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > & R)
const {
113 using STS = Teuchos::ScalarTraits<Scalar>;
114 R.update(STS::one(),B,STS::zero());
115 this->apply (X, R, Teuchos::NO_TRANS, -STS::one(), STS::one());
MueLu::DefaultScalar Scalar
void apply(const Xpetra::MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &X, Xpetra::MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &Y, Teuchos::ETransp mode=Teuchos::NO_TRANS, Scalar=Teuchos::ScalarTraits< Scalar >::one(), Scalar=Teuchos::ScalarTraits< Scalar >::one()) const
Returns in Y the result of a Xpetra::Operator applied to a Xpetra::MultiVector X.
void residual(const Xpetra::MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &X, const Xpetra::MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &B, Xpetra::MultiVector< Scalar, LocalOrdinal, GlobalOrdinal, Node > &R) const
Compute a residual R = B - (*this) * X.
Teuchos::RCP< const Xpetra::Map< LocalOrdinal, GlobalOrdinal, Node > > getRangeMap() const
Returns the Tpetra::Map object associated with the range of this operator.
Teuchos::RCP< const Xpetra::Map< LocalOrdinal, GlobalOrdinal, Node > > getDomainMap() const
Returns the Tpetra::Map object associated with the domain of this operator.
Namespace for MueLu classes and methods.