Tpetra Matrix/Vector Services Version of the Day
Tpetra_Operator.hpp
00001 // @HEADER
00002 // ***********************************************************************
00003 // 
00004 //          Tpetra: Templated Linear Algebra Services Package
00005 //                 Copyright (2008) Sandia Corporation
00006 // 
00007 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00008 // license for use of this work by or on behalf of the U.S. Government.
00009 // 
00010 // This library is free software; you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as
00012 // published by the Free Software Foundation; either version 2.1 of the
00013 // License, or (at your option) any later version.
00014 //  
00015 // This library is distributed in the hope that it will be useful, but
00016 // WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //  
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00023 // USA
00024 // Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
00025 // 
00026 // ***********************************************************************
00027 // @HEADER
00028 
00029 #ifndef TPETRA_OPERATOR_HPP
00030 #define TPETRA_OPERATOR_HPP
00031 
00032 #include <Kokkos_DefaultNode.hpp>
00033 #include <Teuchos_Describable.hpp>
00034 #include "Tpetra_Map.hpp"
00035 #include "Tpetra_MultiVector.hpp"
00036 
00037 namespace Tpetra {
00038 
00040 
00049   template<class Scalar, class LocalOrdinal = int, class GlobalOrdinal = LocalOrdinal, class Node = Kokkos::DefaultNode::DefaultNodeType>
00050   class Operator : virtual public Teuchos::Describable {
00051   public:
00052 
00055 
00057     virtual const Teuchos::RCP<const Map<LocalOrdinal,GlobalOrdinal,Node> > & getDomainMap() const = 0;
00058 
00060     virtual const Teuchos::RCP<const Map<LocalOrdinal,GlobalOrdinal,Node> > & getRangeMap() const = 0;
00061 
00063 
00068     virtual void apply(const MultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node> &X, 
00069                MultiVector<Scalar,LocalOrdinal,GlobalOrdinal,Node> &Y, 
00070                Teuchos::ETransp mode = Teuchos::NO_TRANS, 
00071                Scalar alpha = Teuchos::ScalarTraits<Scalar>::one(),
00072                Scalar beta = Teuchos::ScalarTraits<Scalar>::zero()) const = 0;
00073 
00075     virtual bool hasTransposeApply() const;
00076 
00078 
00079   };
00080 
00081   template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
00082   bool Operator<Scalar,LocalOrdinal,GlobalOrdinal,Node>::hasTransposeApply() const {
00083     return false;
00084   }
00085 
00086 } // Tpetra namespace
00087 
00088 #endif // TPETRA_OPERATOR_HPP
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