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functional.hh
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Sat, Sep 21, 06:11
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rTAMAAS tamaas
functional.hh
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/*
* SPDX-License-Indentifier: AGPL-3.0-or-later
*
* Copyright (©) 2016-2022 EPFL (École Polytechnique Fédérale de Lausanne),
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
* Copyright (©) 2020-2022 Lucas Frérot
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef FUNCTIONAL_HH
#define FUNCTIONAL_HH
/* -------------------------------------------------------------------------- */
#include "be_engine.hh"
#include "tamaas.hh"
/* -------------------------------------------------------------------------- */
namespace
tamaas
{
namespace
functional
{
/// Generic functional class for the cost function of the optimization problem
class
Functional
{
public
:
/// Destructor
virtual
~
Functional
()
=
default
;
public
:
/// Compute functional
virtual
Real
computeF
(
GridBase
<
Real
>&
variable
,
GridBase
<
Real
>&
dual
)
const
=
0
;
/// Compute functional gradient
virtual
void
computeGradF
(
GridBase
<
Real
>&
variable
,
GridBase
<
Real
>&
gradient
)
const
=
0
;
};
}
// namespace functional
}
// namespace tamaas
/* -------------------------------------------------------------------------- */
#endif
// _FUNCTIONAL_HH
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