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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
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// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
//@HEADER
#ifndef EPETRAEXT_BLOCKMAPOUT_H
#define EPETRAEXT_BLOCKMAPOUT_H
#include <Epetra_ConfigDefs.h>
#include <EpetraExt_ConfigDefs.h>
class Epetra_BlockMap;
namespace EpetraExt {
//! Writes an Epetra_BlockMap or Epetra_Map object to a Matrix Market format file
/*! This function takes an Epetra_BlockMap or Epetra_Map object and writes it
to the specified file. The map can be distributed or serial. The user can provide
a strings containing the object name, a description, and specify that header information
should or should not be printed to the file.
Special information is encoded in the comment field of this map that allows for identical reproduction
of the map, including distribution across processors and element size information.
The first column of the output file will be the list of GIDs in the map.
If the block map has non-uniform sizes, a second column will be generated containing the element sizes.
\param filename (In) A filename, including path if desired. If a file with this name already exists,
it will be deleted. On exit, this file will contained any requested header information
followed by the map GIDs. A second column may be present if the BlockMap has nonuniform sizes.
\param blockMap (In) An Epetra_BlockMap Object containing the user map to be dumped to file.
\param mapName (In) A C-style string pointer to a name that will be stored in the comment field of the file.
This is not a required argument. Note that it is possible to pass in the method A.Label().
\param mapDescription (In) A C-style string pointer to a map description that will be stored in the comment
field of the file.
\param writeHeader (In) If true, the header will be written, otherwise only the map entries will be written.
\return Returns 0 if no error, -1 if any problems with file system.
*/
int BlockMapToMatrixMarketFile( const char *filename, const Epetra_BlockMap & blockMap,
const char * mapName=0,
const char *mapDescription=0,
bool writeHeader=true);
//! Writes an Epetra_BlockMap or Epetra_Map object to a file handle.
/*! This function takes an Epetra_BlockMap or Epetra_Map object and writes it
to the specified file handle.
\param handle (In) A C-style file handle, already opened. On exit, the file associated with this handle will
have appended to it a row for each multivector row.
\param blockMap (In) An Epetra_BlockMap object containing the user object to be dumped to file.
\return Returns 0 if no error, -1 if any problems with file system.
*/
int BlockMapToHandle(std::FILE * handle, const Epetra_BlockMap & blockMap);
// Internal function
int writeBlockMap(std::FILE * handle, long long length, const int * v1, const int * v2, bool doSizes);
int writeBlockMap(std::FILE * handle, long long length, const long long * v1, const int * v2, bool doSizes);
} // namespace EpetraExt
#endif /* EPETRAEXT_BLOCKMAPOUT_H */
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