/usr/include/trilinos/EpetraExt_AmesosBTF_CrsMatrix.h is in libtrilinos-trilinoscouplings-dev 12.10.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 | //@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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
// USA
// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
//@HEADER
#ifndef EpetraExt_AMESOS_BTF_CRSMATRIX_H
#define EpetraExt_AMESOS_BTF_CRSMATRIX_H
#include <EpetraExt_Transform.h>
#include <Teuchos_RCP.hpp>
#include <vector>
class Epetra_CrsMatrix;
class Epetra_CrsGraph;
class Epetra_Map;
class Epetra_Import;
namespace EpetraExt {
///
/** Block Triangular Factorization (Reordering) of Epetra_CrsMatrix
*
* Uses Tim Davis' BTF algorithm to find a block lower or upper triangular
* ordering form a Epetra_CrsMatrix.
*/
class AmesosBTF_CrsMatrix : public SameTypeTransform<Epetra_CrsMatrix> {
public:
~AmesosBTF_CrsMatrix();
AmesosBTF_CrsMatrix( double thres = 0.0, bool upperTri = false,
bool verbose = false, bool debug = false )
: numBlocks_(0),
threshold_(thres),
upperTri_(upperTri),
verbose_(verbose),
debug_(debug)
{}
NewTypeRef operator()( OriginalTypeRef orig );
bool fwd();
bool rvs();
Teuchos::RCP<Epetra_Import> Importer() { return Importer_; }
std::vector<int> RowPerm() { return rowPerm_; }
std::vector<int> ColPerm() { return colPerm_; }
std::vector<int> BlockPtr() { return blockPtr_; }
int NumBlocks() { return numBlocks_; }
private:
Teuchos::RCP<Epetra_Map> NewRowMap_;
Teuchos::RCP<Epetra_Map> NewColMap_;
Teuchos::RCP<Epetra_CrsMatrix> NewMatrix_;
Teuchos::RCP<Epetra_CrsGraph> NewGraph_;
Teuchos::RCP<Epetra_Import> Importer_;
std::vector<int> rowPerm_, colPerm_, blockPtr_;
int numBlocks_;
const double threshold_;
const bool upperTri_, verbose_, debug_;
};
} //namespace EpetraExt
#endif //EpetraExt_AMESOS_BTF_CRSMATRIX_H
|