libtrilinos-epetraext-dev 12.4.2-2 / usr / include / trilinos / EpetraExt_CrsMatrixIn.h

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//@HEADER
// ***********************************************************************
//
//     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
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
//@HEADER
#ifndef EPETRAEXT_CRSMATRIXIN_H
#define EPETRAEXT_CRSMATRIXIN_H
#include <EpetraExt_ConfigDefs.h>
#include <Epetra_ConfigDefs.h>
class Epetra_Comm;
class Epetra_CrsMatrix;
class Epetra_Map;
namespace EpetraExt {

#ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
  //! Constructs an Epetra_CrsMatrix object from a Matlab format file, distributes rows evenly across processors.
  /*! This function constructs an Epetra_CrsMatrix object by reading a Matlab (i,j,value) format file.

      \param filename (In) A filename, including path if desired.  The matrix to be read should be in this file in 
                           Matlab coordinate format.
      \param comm (In) An Epetra_Comm object.  The matrix will have its rows distributed evenly by row-count across the parallel machine.
      \param A (Out) An Epetra_CrsMatrix object constructed from file contents.  The input matrix can be any dimension, square or rectangular.
      \warning User must delete matrix A!!.

      \return Returns 0 if no error, -1 if any problems with file system.

      Notes: 
<ol>
<li> The file will be read twice: first to get the maximum row and column dimensions.  Next to insert values.
<li> The global row and column dimensions will be determined by the maximum row and column index, respectively, 
     contained in the file.  If some rows or columns are empty they will still be present in the matrix.
</ol>

     The format expected for the input file is a list of nonzero entries with one entry per row.  Each row will have 
     the row index, column index and value listed with space in between each item.  The number of lines in the file should
     be exactly the number of entries of the matrix.  For example, consider the following matrix where only the nonzero values are stored:

\f[
\left[\begin{array}{cccc}
5 & 7 & 0 & 0 \\
3 & 2 & 0 & 1 \\
0 & 0 & 0 & 4 \\
\end{array}\right].
\f]

A Matlab format file for this matrix would be:
\verbatim
1 1 5.0
1 2 7.0
2 1 3.0
2 2 2.0
2 4 1.0
4 4 4.0
\endverbatim

Note that the entries can be listed in any order and that the matrix does not need to be square.  Values in the first and second columns
must be integer values and in those in the third column must be floating point format.


\htmlonly
(See the <a href="http://www.mathworks.com">Matlab</a> home page for details.)
\endhtmlonly
  */
  int MatlabFileToCrsMatrix( const char *filename, const Epetra_Comm & comm, Epetra_CrsMatrix * & A);

  //! Constructs an Epetra_CrsMatrix object from a Matrix Market format file, simplest version: requires matrix to be square, distributes rows evenly across processors.
  /*! This function constructs an Epetra_CrsMatrix object by reading a Matrix Market file.

      \param filename (In) A filename, including path if desired.  The matrix to be read should be in this file in 
                           Matrix Market coordinate format.
      \param comm (In) An Epetra_Comm object.
      \param transpose (In) A boolean value indicating whether the reader should transpose the matrix as it is read into matrix A.  (default = 0).
      \param verbose (In) A boolean value indicating whether the reader should print diagnostic statements to stdout.  (default = 0).
      \param A (Out) An Epetra_CrsMatrix object constructed from file contents.  
      \warning User must delete!!.

      \return Returns 0 if no error, -1 if any problems with file system.

\htmlonly
(See the <a href="http://math.nist.gov/MatrixMarket">Matrix Market</a> home page for details.)
\endhtmlonly

  */

  int MatrixMarketFileToCrsMatrix( const char *filename, const Epetra_Comm & comm, Epetra_CrsMatrix * & A, const bool transpose=0, const bool verbose=0);
 
  //! Constructs an Epetra_CrsMatrix object from a Matrix Market format file, row, range and domain map specified; typically used for rectangular matrices.
  /*! Reads an Epetra_CrsMatrix object from a matrix-market file, but
     uses the specified maps for constructing and 'FillComplete()'ing the
     matrix. Successfully creates rectangular matrices.

      \param filename (In) A filename, including path if desired.  The matrix to be read should be in this file in 
                           Matrix Market coordinate format.

      \param rowMap (In) An Epetra_Map object describing the desired row distribution of the matrix.
      \param rangeMap (In) An Epetra_Map object describing the distribution of range vectors that will be used with this matrix, must be 1-to-1.
      \param domainMap (In) An Epetra_Map object describing the distribution of domain vectors that will be used with this matrix, must be 1-to-1.

      \param transpose (In) A boolean value indicating whether the reader should transpose the matrix as it is read into matrix A.  (default = 0).
      \param verbose (In) A boolean value indicating whether the reader should print diagnostic statements to stdout.  (default = 0).
      \param A (Out) An Epetra_CrsMatrix object constructed from file contents.  
      \warning User must delete!!.

      \return Returns 0 if no error, -1 if any problems with file system.
\htmlonly
(See the <a href="http://math.nist.gov/MatrixMarket">Matrix Market</a> home page for details.)
\endhtmlonly
  */
  int MatrixMarketFileToCrsMatrix(const char *filename,const Epetra_Map & rowMap, 
				  const Epetra_Map& rangeMap, const Epetra_Map& domainMap, Epetra_CrsMatrix * & A, const bool transpose=0, const bool verbose=0);

  //! Constructs an Epetra_CrsMatrix object from a Matrix Market format file, only row map specified; allows user defined distribution of matrix rows, requires square matrix.
  /*! This function constructs an Epetra_CrsMatrix object by reading a Matrix Market file.

      \param filename (In) A filename, including path if desired.  The matrix to be read should be in this file in 
                           Matrix Market coordinate format.
      \param rowMap (In) An Epetra_Map object describing the desired row distribution of the matrix.
      \param transpose (In) A boolean value indicating whether the reader should transpose the matrix as it is read into matrix A.  (default = 0).
      \param verbose (In) A boolean value indicating whether the reader should print diagnostic statements to stdout.  (default = 0).
      \param A (Out) An Epetra_CrsMatrix object constructed from file contents.  
      \warning User must delete!!.

      \return Returns 0 if no error, -1 if any problems with file system.

\htmlonly
(See the <a href="http://math.nist.gov/MatrixMarket">Matrix Market</a> home page for details.)
\endhtmlonly

  */
  int MatrixMarketFileToCrsMatrix( const char *filename, const Epetra_Map & rowMap, Epetra_CrsMatrix * & A, const bool transpose=0, const bool verbose=0);
 
  //! Constructs an Epetra_CrsMatrix object from a Matrix Market format file, both row and column map specified; this version is seldom used unless you want explicit control over column map.
  /*! This function constructs an Epetra_CrsMatrix object by reading a Matrix Market file.

      \param filename (In) A filename, including path if desired.  The matrix to be read should be in this file in 
                           Matrix Market coordinate format.

      \param rowMap (In) An Epetra_Map object describing the desired row distribution of the matrix.
      \param colMap (In) An Epetra_Map object describing the desired column distribution of the matrix.

      \param transpose (In) A boolean value indicating whether the reader should transpose the matrix as it is read into matrix A.  (default = 0).
      \param verbose (In) A boolean value indicating whether the reader should print diagnostic statements to stdout.  (default = 0).
      \param A (Out) An Epetra_CrsMatrix object constructed from file contents.  
      \warning User must delete!!.

      \return Returns 0 if no error, -1 if any problems with file system.

\htmlonly
(See the <a href="http://math.nist.gov/MatrixMarket">Matrix Market</a> home page for details.)
\endhtmlonly
  */
  int MatrixMarketFileToCrsMatrix( const char *filename, const Epetra_Map & rowMap, const Epetra_Map & colMap, Epetra_CrsMatrix * & A, const bool transpose=0, const bool verbose=0);


  //! Constructs an Epetra_CrsMatrix object from a Matrix Market format file, row, column, range and domain map specified; this version is seldom required unless you want explicit control over column map.
  /*! Reads an Epetra_CrsMatrix object from a matrix-market file, but
     uses the specified maps for constructing and 'FillComplete()'ing the
     matrix. Successfully creates rectangular matrices.

      \param filename (In) A filename, including path if desired.  The matrix to be read should be in this file in 
                           Matrix Market coordinate format.

      \param rowMap (In) An Epetra_Map object describing the desired row distribution of the matrix.
      \param colMap (In) An Epetra_Map object describing the desired column distribution of the matrix.
      \param rangeMap (In) An Epetra_Map object describing the distribution of range vectors that will be used with this matrix, must be 1-to-1.
      \param domainMap (In) An Epetra_Map object describing the distribution of domain vectors that will be used with this matrix, must be 1-to-1.
      \param transpose (In) A boolean value indicating whether the reader should transpose the matrix as it is read into matrix A.  (default = 0).
      \param verbose (In) A boolean value indicating whether the reader should print diagnostic statements to stdout.  (default = 0).

      \param A (Out) An Epetra_CrsMatrix object constructed from file contents.  
      \warning User must delete!!.

      \return Returns 0 if no error, -1 if any problems with file system.
\htmlonly
(See the <a href="http://math.nist.gov/MatrixMarket">Matrix Market</a> home page for details.)
\endhtmlonly
  */
  int MatrixMarketFileToCrsMatrix(const char *filename, const Epetra_Map & rowMap, const Epetra_Map & colMap,
				  const Epetra_Map& rangeMap, const Epetra_Map& domainMap, Epetra_CrsMatrix * & A, const bool transpose=0, const bool verbose=0);

  //! Constructs an Epetra_CrsMatrix object from a Hypre Matrix Print command, the row map is specified.
  /*! Reads an Epetra_CrsMatrix object from a Hypre Matrix Printout, the matrix should be square.

      \param filename (In) A filename not including the processor id extension, including path if desired.

      \param comm (In) An Epetra_Comm object describing the communication among processors.

      \param A (Out) An Epetra_CrsMatrix object constructed from file contents.  
      \warning User must delete!!.

      \return Returns 0 if no error, -1 if any problems with file system.
  */
  int HypreFileToCrsMatrix(const char *filename, const Epetra_Comm &comm, Epetra_CrsMatrix *&A);
  // Internal function
  int MatrixMarketFileToCrsMatrixHandle( const char *filename,
					 const Epetra_Comm & comm,
                                         Epetra_CrsMatrix * & A,
					 const Epetra_Map * rowMap = 0,
					 const Epetra_Map * colMap = 0,
					 const Epetra_Map * rangeMap = 0,
					 const Epetra_Map * domainMap = 0,
                                         const bool transpose = 0, 
                                         const bool verbose=0);
#endif
#ifndef EPETRA_NO_64BIT_GLOBAL_INDICES
  int MatlabFileToCrsMatrix64( const char *filename, const Epetra_Comm & comm, Epetra_CrsMatrix * & A);

  int MatrixMarketFileToCrsMatrix64( const char *filename, const Epetra_Comm & comm, Epetra_CrsMatrix * & A, const bool transpose=0, const bool verbose=0);
 
  int MatrixMarketFileToCrsMatrix64(const char *filename,const Epetra_Map & rowMap, 
				  const Epetra_Map& rangeMap, const Epetra_Map& domainMap, Epetra_CrsMatrix * & A, const bool transpose=0, const bool verbose=0);

  int MatrixMarketFileToCrsMatrix64( const char *filename, const Epetra_Map & rowMap, Epetra_CrsMatrix * & A, const bool transpose=0, const bool verbose=0);
 
  int MatrixMarketFileToCrsMatrix64( const char *filename, const Epetra_Map & rowMap, const Epetra_Map & colMap, Epetra_CrsMatrix * & A, const bool transpose=0, const bool verbose=0);

  int MatrixMarketFileToCrsMatrix64(const char *filename, const Epetra_Map & rowMap, const Epetra_Map & colMap,
				  const Epetra_Map& rangeMap, const Epetra_Map& domainMap, Epetra_CrsMatrix * & A, const bool transpose=0, const bool verbose=0);

  int HypreFileToCrsMatrix64(const char *filename, const Epetra_Comm &comm, Epetra_CrsMatrix *&A);

  int MatrixMarketFileToCrsMatrixHandle64( const char *filename,
					 const Epetra_Comm & comm,
                                         Epetra_CrsMatrix * & A,
					 const Epetra_Map * rowMap = 0,
					 const Epetra_Map * colMap = 0,
					 const Epetra_Map * rangeMap = 0,
					 const Epetra_Map * domainMap = 0,
                                         const bool transpose = 0, 
                                         const bool verbose=0);
#endif
} // namespace EpetraExt
#endif /* EPETRAEXT_CRSMATRIXIN_H */

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