ESPResSo
Extensible Simulation Package for Research on Soft Matter Systems
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Scaled.hpp
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/*
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* Copyright (C) 2010-2022 The ESPResSo project
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*
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* This file is part of ESPResSo.
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*
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* ESPResSo is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* ESPResSo is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CORE_CONSTRAINTS_DETAIL_SCALED_HPP
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#define CORE_CONSTRAINTS_DETAIL_SCALED_HPP
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#include <unordered_map>
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namespace
FieldCoupling
{
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namespace
Coupling {
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class
Scaled
{
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std::unordered_map<int, double> m_scales;
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double
m_default;
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public
:
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static
constexpr
bool
is_linear
=
true
;
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template
<
typename
ScalesRef>
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Scaled
(ScalesRef &&scales,
double
default_val)
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: m_scales(std::forward<ScalesRef>(scales)), m_default(default_val) {}
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double
&
default_scale
() {
return
m_default; }
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double
const
&
default_scale
()
const
{
return
m_default; }
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std::unordered_map<int, double> &
particle_scales
() {
return
m_scales; }
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std::unordered_map<int, double>
const
&
particle_scales
()
const
{
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return
m_scales;
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}
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private
:
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template
<
typename
Particle>
double
scale(
Particle
const
&p)
const
{
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auto
const
&val = m_scales.find(p.
id
());
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if
(val != m_scales.end())
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return
val->second;
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return
m_default;
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}
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public
:
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template
<
typename
T,
typename
Particle>
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T
operator()
(
const
Particle
&p,
const
T &x)
const
{
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return
scale(p) * x;
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}
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};
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}
// namespace Coupling
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}
// namespace FieldCoupling
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#endif
FieldCoupling::Coupling::Scaled
Definition
Scaled.hpp:26
FieldCoupling::Coupling::Scaled::Scaled
Scaled(ScalesRef &&scales, double default_val)
Definition
Scaled.hpp:34
FieldCoupling::Coupling::Scaled::operator()
T operator()(const Particle &p, const T &x) const
Definition
Scaled.hpp:55
FieldCoupling::Coupling::Scaled::is_linear
static constexpr bool is_linear
Definition
Scaled.hpp:31
FieldCoupling::Coupling::Scaled::default_scale
double const & default_scale() const
Definition
Scaled.hpp:38
FieldCoupling::Coupling::Scaled::particle_scales
std::unordered_map< int, double > & particle_scales()
Definition
Scaled.hpp:39
FieldCoupling::Coupling::Scaled::default_scale
double & default_scale()
Definition
Scaled.hpp:37
FieldCoupling::Coupling::Scaled::particle_scales
std::unordered_map< int, double > const & particle_scales() const
Definition
Scaled.hpp:40
FieldCoupling
Definition
Charge.hpp:22
Particle
Struct holding all information for one particle.
Definition
Particle.hpp:395
Particle::id
auto const & id() const
Definition
Particle.hpp:414
src
core
field_coupling
couplings
Scaled.hpp
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