/usr/include/dolfin/la/uBLASKrylovMatrix.h is in libdolfin1.0-dev 1.0.0-1.
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 | // Copyright (C) 2006 Anders Logg
//
// This file is part of DOLFIN.
//
// DOLFIN 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 3 of the License, or
// (at your option) any later version.
//
// DOLFIN 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 DOLFIN. If not, see <http://www.gnu.org/licenses/>.
//
// First added: 2006-06-30
// Last changed: 2009-09-08
#ifndef __UBLAS_KRYLOV_MATRIX_H
#define __UBLAS_KRYLOV_MATRIX_H
#include <dolfin/common/types.h>
#include "ublas.h"
namespace dolfin
{
class uBLASVector;
template<typename Mat> class uBLASMatrix;
/// This class provides an interface for matrices that define linear
/// systems for the uBLASKrylovSolver. This interface is implemented
/// by the classes uBLASSparseMatrix and DenseMatrix. Users may also
/// overload the mult() function to specify a linear system only in
/// terms of its action.
class uBLASKrylovMatrix
{
public:
/// Constructor
uBLASKrylovMatrix() : AA(0), ej(0), Aj(0) {};
/// Destructor
virtual ~uBLASKrylovMatrix() {};
/// Return number of rows (dim = 0) or columns (dim = 1)
virtual uint size(uint dim) const = 0;
/// Compute product y = Ax
virtual void mult(const uBLASVector& x, uBLASVector& y) const = 0;
/// Solve linear system Ax = b for a Krylov matrix using uBLAS and dense matrices
void solve(uBLASVector& x, const uBLASVector& b);
/// Return informal string representation (pretty-print)
std::string str(bool verbose) const;
private:
// Temporary data for LU factorization of a uBLASKrylovMatrix
uBLASMatrix<ublas_dense_matrix>* AA;
uBLASVector* ej;
uBLASVector* Aj;
};
}
#endif
|