ESPResSo
Extensible Simulation Package for Research on Soft Matter Systems
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core/constraints/HomogeneousMagneticField.hpp
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1/*
2 * Copyright (C) 2010-2022 The ESPResSo project
3 *
4 * This file is part of ESPResSo.
5 *
6 * ESPResSo is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * ESPResSo is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20#pragma once
21
22#include "Constraint.hpp"
23#include "Observable_stat.hpp"
24#include "Particle.hpp"
25
26#include <utils/Vector.hpp>
27
28namespace Constraints {
29
31public:
32 HomogeneousMagneticField() : m_field({1., 0., 0.}) {}
33
34 void set_H(Utils::Vector3d const &H) { m_field = H; }
35
36 Utils::Vector3d const &H() const { return m_field; }
37
38 void add_energy(const Particle &p, const Utils::Vector3d &, double,
39 Observable_stat &energy) const override;
40
42 double) override;
43
44 bool fits_in_box(Utils::Vector3d const &) const override { return true; }
45
46private:
47 Utils::Vector3d m_field;
48};
49
50} // namespace Constraints
Vector implementation and trait types for boost qvm interoperability.
bool fits_in_box(Utils::Vector3d const &) const override
void add_energy(const Particle &p, const Utils::Vector3d &, double, Observable_stat &energy) const override
ParticleForce force(const Particle &p, const Utils::Vector3d &, double) override
Observable for the pressure and energy.
Force information on a particle.
Definition Particle.hpp:290
Struct holding all information for one particle.
Definition Particle.hpp:395