Thyra Package Browser (Single Doxygen Collection) Version of the Day
Thyra_EpetraOperatorWrapper.hpp
Go to the documentation of this file.
00001 // @HEADER
00002 // ***********************************************************************
00003 // 
00004 //    Thyra: Interfaces and Support for Abstract Numerical Algorithms
00005 //                 Copyright (2004) 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 // Redistribution and use in source and binary forms, with or without
00011 // modification, are permitted provided that the following conditions are
00012 // met:
00013 //
00014 // 1. Redistributions of source code must retain the above copyright
00015 // notice, this list of conditions and the following disclaimer.
00016 //
00017 // 2. Redistributions in binary form must reproduce the above copyright
00018 // notice, this list of conditions and the following disclaimer in the
00019 // documentation and/or other materials provided with the distribution.
00020 //
00021 // 3. Neither the name of the Corporation nor the names of the
00022 // contributors may be used to endorse or promote products derived from
00023 // this software without specific prior written permission.
00024 //
00025 // THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
00026 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00027 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
00028 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
00029 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00030 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00031 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00032 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00033 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00034 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00035 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00036 //
00037 // Questions? Contact Roscoe A. Bartlett (bartlettra@ornl.gov) 
00038 // 
00039 // ***********************************************************************
00040 // @HEADER
00041 
00042 #ifndef THYRA_EPETRA_OPERATOR_WRAPPER_HPP
00043 #define THYRA_EPETRA_OPERATOR_WRAPPER_HPP
00044 
00045 #include "Thyra_LinearOpBase.hpp"
00046 #include "Epetra_Map.h"
00047 #include "Epetra_Comm.h"
00048 #include "Epetra_MultiVector.h"
00049 #include "Epetra_Operator.h"
00050 
00051 
00052 namespace Thyra {
00053 
00054 
00063 class EpetraOperatorWrapper : public Epetra_Operator
00064 {
00065 public:
00066 
00069 
00071   EpetraOperatorWrapper(const RCP<const LinearOpBase<double> > &thyraOp);
00072 
00074   RCP<const LinearOpBase<double> > getThyraOp() const
00075   {
00076     return thyraOp_;
00077   }
00078 
00080   void copyEpetraIntoThyra(const Epetra_MultiVector &x,
00081     const Ptr<VectorBase<double> > &thyraVec) const;
00082 
00084   void copyThyraIntoEpetra(const VectorBase<double> &thyraVec,
00085     Epetra_MultiVector &x) const;
00086 
00088 
00091 
00093   int SetUseTranspose(bool UseTranspose_in)
00094     {
00095       useTranspose_ = UseTranspose_in;
00096       return 0;
00097     }
00098 
00100   int Apply(const Epetra_MultiVector& X, Epetra_MultiVector& Y) const ;
00101 
00103   int ApplyInverse(const Epetra_MultiVector& X, Epetra_MultiVector& Y) const ;
00104 
00106   double NormInf() const ;
00107 
00109   const char* Label() const {return label_.c_str();}
00110 
00112   bool UseTranspose() const {return useTranspose_;}
00113 
00115   bool HasNormInf() const {return false;}
00116     
00118   const Epetra_Comm& Comm() const {return *comm_;}
00119 
00121   const Epetra_Map& OperatorDomainMap() const {return *domainMap_;}
00122 
00124   const Epetra_Map& OperatorRangeMap() const {return *rangeMap_;}
00125 
00127 
00128 private:
00129 
00130   bool useTranspose_;
00131   RCP<const LinearOpBase<double> > thyraOp_;
00132   RCP<const VectorSpaceBase<double> > range_;
00133   RCP<const VectorSpaceBase<double> > domain_;
00134   RCP<const Epetra_Comm> comm_;
00135   RCP<const Epetra_Map> rangeMap_;
00136   RCP<const Epetra_Map> domainMap_;
00137 
00138   std::string label_;
00139 
00140   static RCP<const Epetra_Comm> getEpetraComm(const LinearOpBase<double>& thyraOp);
00141 
00142 };
00143 
00144 
00153 RCP<const LinearOpBase<double> > 
00154 makeEpetraWrapper(const RCP<const LinearOpBase<double> > &thyraOp);
00155 
00156 
00157 }  // namespace Thyra
00158 
00159 
00160 #endif // THYRA_EPETRA_OPERATOR_WRAPPER_HPP
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines