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// ***********************************************************************
//
// EpetraExt: Epetra Extended - Linear Algebra Services Package
// Copyright (2011) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
//@HEADER
#ifndef EPETRAEXT_READ_EPETRA_LINEAR_SYSTEM_H
#define EPETRAEXT_READ_EPETRA_LINEAR_SYSTEM_H
#include "Epetra_ConfigDefs.h"
#include "Epetra_Map.h"
#include "Epetra_CrsMatrix.h"
#include "Epetra_Vector.h"
#include "Teuchos_RCP.hpp"
namespace EpetraExt {
/** \brief Read in an Epetra linear system from a file.
*
* \param fileName [in] Name of the file to read in the linear system (see file formats below).
* \param comm [in] The communicator
* \param map [out] The createe map. <tt>map==NULL</tt> is allowed on input in
* which case this will not be returned.
* \param A [out] The created matrix. <tt>A==NULL</tt> is allowed on input in
* which case this will not be returned.
* \param x [out] The created LHS vector. <tt>x==NULL</tt> is allowed on input in
* which case this will not be returned.
* \param b [out] The created RHS vector. <tt>b==NULL</tt> is allowed on input in
* which case this will not be returned.
* \param xExact [out] The created exact LHS vector (if known). <tt>xExact==NULL</tt> is allowed on input in
* which case this will not be returned.
*
* This function reads from a number file formats (*.triU, *.triS, *.mtx,
* *.hb)
*
* ToDo: Finish documentation!
*
* ToDo: Put this in EpetraExt after the release is finished.
*/
#ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
void readEpetraLinearSystem(
const std::string &fileName
,const Epetra_Comm &comm
,Teuchos::RCP<Epetra_CrsMatrix> *A = NULL
,Teuchos::RCP<Epetra_Map> *map = NULL
,Teuchos::RCP<Epetra_Vector> *x = NULL
,Teuchos::RCP<Epetra_Vector> *b = NULL
,Teuchos::RCP<Epetra_Vector> *xExact = NULL
);
#endif
#ifndef EPETRA_NO_64BIT_GLOBAL_INDICES
void readEpetraLinearSystem64(
const std::string &fileName
,const Epetra_Comm &comm
,Teuchos::RCP<Epetra_CrsMatrix> *A = NULL
,Teuchos::RCP<Epetra_Map> *map = NULL
,Teuchos::RCP<Epetra_Vector> *x = NULL
,Teuchos::RCP<Epetra_Vector> *b = NULL
,Teuchos::RCP<Epetra_Vector> *xExact = NULL
);
#endif
} // namespace EpetraExt
#endif // EPETRAEXT_READ_EPETRA_LINEAR_SYSTEM_H
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