//@HEADER // *********************************************************************** // // EpetraExt: Epetra Extended - Linear Algebra Services Package // Copyright (2001) Sandia Corporation // // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive // license for use of this work by or on behalf of the U.S. Government. // // This library is free software; you can redistribute it and/or modify // it under the terms of the GNU Lesser General Public License as // published by the Free Software Foundation; either version 2.1 of the // License, or (at your option) any later version. // // This library is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public // License along with this library; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 // USA // Questions? Contact Michael A. Heroux (maherou@sandia.gov) // // *********************************************************************** //@HEADER #ifndef EpetraExt_CRSMATRIX_SOLVERMAP_H #define EpetraExt_CRSMATRIX_SOLVERMAP_H #include <EpetraExt_Transform.h> class Epetra_CrsMatrix; class Epetra_CrsGraph; class Epetra_Map; namespace EpetraExt { /// /** Given an input Epetra_CrsMatrix, the column map is checked for missing indices associated * with the local rows. If found, a view of the Epetra_CrsMatrix is formed using a new * Epetra_CrsGraph with a fixed column mapping including all local row indices. */ class CrsMatrix_SolverMap : public StructuralSameTypeTransform<Epetra_CrsMatrix> { Epetra_Map * NewColMap_; Epetra_CrsGraph * NewGraph_; public: /// /** Destructor */ ~CrsMatrix_SolverMap(); /// /** Constructor */ CrsMatrix_SolverMap() : NewColMap_(0), NewGraph_(0) {} /// /** Constructs fixed view of Epetra_CrsMatrix as necessary. */ NewTypeRef operator()( OriginalTypeRef orig ); }; } //namespace EpetraExt #endif //EpetraExt_CRSMATRIX_SOLVERMAP_H