/usr/include/dolfin/fem/BoundaryCondition.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 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | // Copyright (C) 2007-2008 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/>.
//
// Modified by Garth N. Wells 2007, 2008.
// Modified by Johan Hake 2009.
//
// First added: 2008-06-18
// Last changed: 2011-03-10
#ifndef __BOUNDARY_CONDITION_H
#define __BOUNDARY_CONDITION_H
#include <vector>
#include <boost/multi_array.hpp>
#include <boost/shared_ptr.hpp>
#include <dolfin/common/types.h>
#include <dolfin/common/Variable.h>
namespace dolfin
{
template<typename T> class Array;
class GenericMatrix;
class GenericVector;
class FunctionSpace;
/// Common base class for boundary conditions
class BoundaryCondition : public Variable
{
public:
/// Constructor
BoundaryCondition(const FunctionSpace& V);
/// Constructor
BoundaryCondition(boost::shared_ptr<const FunctionSpace> V);
/// Destructor
virtual ~BoundaryCondition();
/// Apply boundary condition to a matrix
virtual void apply(GenericMatrix& A) const = 0;
/// Apply boundary condition to a vector
virtual void apply(GenericVector& b) const = 0;
/// Apply boundary condition to a linear system
virtual void apply(GenericMatrix& A, GenericVector& b) const = 0;
/// Apply boundary condition to a vector for a nonlinear problem
virtual void apply(GenericVector& b, const GenericVector& x) const = 0;
/// Apply boundary condition to a linear system for a nonlinear problem
virtual void apply(GenericMatrix& A, GenericVector& b, const GenericVector& x) const = 0;
/// Return shared pointer to function space
boost::shared_ptr<const FunctionSpace> function_space() const;
protected:
// Check arguments
void check_arguments(GenericMatrix* A,
GenericVector* b,
const GenericVector* x) const;
// Local data for application of boundary conditions
class LocalData
{
public:
// Constructor
LocalData(const FunctionSpace& V);
// Local dimension
const uint n;
// Coefficients
std::vector<double> w;
// Cell dofs
std::vector<uint> cell_dofs;
// Facet dofs
std::vector<uint> facet_dofs;
// Coordinates for dofs
boost::multi_array<double, 2> coordinates;
};
// The function space (possibly a sub function space)
boost::shared_ptr<const FunctionSpace> _function_space;
};
}
#endif
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