CheckpointCallback.hpp

/*******************************************************************************

   Interface for checkpoint callbacks.

   This file is part of XAD, a comprehensive C++ library for
   automatic differentiation.

   Copyright (C) 2010-2024 Xcelerit Computing Ltd.

   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 <http://www.gnu.org/licenses/>.

******************************************************************************/

#pragma once

namespace xad
{

template <class Tape>
class CheckpointCallback
{
  public:
    virtual void computeAdjoint(Tape* tape) = 0;
    virtual ~CheckpointCallback() {}
};
}  // namespace xad