DOLFIN
DOLFIN C++ interface
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Equation.h
1// Copyright (C) 2011 Anders Logg
2//
3// This file is part of DOLFIN.
4//
5// DOLFIN is free software: you can redistribute it and/or modify
6// it under the terms of the GNU Lesser General Public License as published by
7// the Free Software Foundation, either version 3 of the License, or
8// (at your option) any later version.
9//
10// DOLFIN is distributed in the hope that it will be useful,
11// but WITHOUT ANY WARRANTY; without even the implied warranty of
12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13// GNU Lesser General Public License for more details.
14//
15// You should have received a copy of the GNU Lesser General Public License
16// along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
17//
18// First added: 2011-06-21
19// Last changed: 2011-06-22
20
21#ifndef __EQUATION_H
22#define __EQUATION_H
23
24#include <memory>
25
26namespace dolfin
27{
28
29 // Forward declarations
30 class Form;
31
39
41 {
42 public:
43
49 Equation(std::shared_ptr<const Form> a,
50 std::shared_ptr<const Form> L);
51
55 Equation(std::shared_ptr<const Form> F, int rhs);
56
58 ~Equation();
59
62 bool is_linear() const;
63
67 std::shared_ptr<const Form> lhs() const;
68
72 std::shared_ptr<const Form> rhs() const;
73
76 int rhs_int() const;
77
78 private:
79
80 // Left-hand side form
81 std::shared_ptr<const Form> _lhs;
82
83 // Right-hand side form
84 std::shared_ptr<const Form> _rhs;
85
86 // Right-hand side value (should be zero)
87 int _rhs_int;
88
89 // Flag for whether equation is linear
90 bool _is_linear;
91
92 };
93
94}
95
96#endif
Definition Equation.h:41
~Equation()
Destructor.
Definition Equation.cpp:41
std::shared_ptr< const Form > rhs() const
Definition Equation.cpp:57
std::shared_ptr< const Form > lhs() const
Definition Equation.cpp:51
bool is_linear() const
Definition Equation.cpp:46
int rhs_int() const
Definition Equation.cpp:63
Definition adapt.h:30