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tamaas/src/model/functional.hh
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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)
*
* 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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