/usr/include/dolfin/la/MUMPSLUSolver.h is in libdolfin-dev 1.4.0+dfsg-4.
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 | // Copyright (C) 2011 Garth N. Wells
//
// 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/>.
//
// Modified by Garth N. Wells, 2009-2010.
//
// First added: 2011-10-16
// Last changed:
#ifndef __DOLFIN_MUMPS_LU_SOLVER_H
#define __DOLFIN_MUMPS_LU_SOLVER_H
#include <memory>
#include <dolfin/common/Variable.h>
#ifdef HAS_PETSC
#include <petscconf.h>
#endif
#ifdef PETSC_HAVE_MUMPS
extern "C"
{
#include "dmumps_c.h"
}
namespace dolfin
{
/// Forward declarations
class CoordinateMatrix;
class GenericVector;
/// This class implements the direct solution (LU factorization) for
/// linear systems of the form Ax = b. It is a wrapper for the MUMPS
/// LU solver.
class MUMPSLUSolver : public Variable
{
public:
/// Constructor
MUMPSLUSolver(const CoordinateMatrix& A);
/// Constructor
MUMPSLUSolver(std::shared_ptr<const CoordinateMatrix> A);
/// Destructor
~MUMPSLUSolver();
/// Solve linear system Ax = b
std::size_t solve(GenericVector& x, const GenericVector& b);
/// Default parameter values
static Parameters default_parameters();
private:
// Operator (the matrix)
std::shared_ptr<const CoordinateMatrix> _matA;
};
}
#endif
#endif
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