functors.h

Go to the documentation of this file.

/****************************************************************************
 *   This file is part of the aGrUM/pyAgrum library.                        *
 *                                                                          *
 *   Copyright (c) 2005-2026 by                                             *
 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
 *       - Christophe GONZALES(_at_AMU)                                     *
 *                                                                          *
 *   The aGrUM/pyAgrum library is free software; you can redistribute it    *
 *   and/or modify it under the terms of either :                           *
 *                                                                          *
 *    - the GNU Lesser General Public License as published by               *
 *      the Free Software Foundation, either version 3 of the License,      *
 *      or (at your option) any later version,                              *
 *    - the MIT license (MIT),                                              *
 *    - or both in dual license, as here.                                   *
 *                                                                          *
 *   (see https://agrum.gitlab.io/articles/dual-licenses-lgplv3mit.html)    *
 *                                                                          *
 *   This aGrUM/pyAgrum library is distributed in the hope that it will be  *
 *   useful, but WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,          *
 *   INCLUDING BUT NOT LIMITED TO THE WARRANTIES MERCHANTABILITY or FITNESS *
 *   FOR A PARTICULAR PURPOSE  AND NONINFRINGEMENT. IN NO EVENT SHALL THE   *
 *   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
 *   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,        *
 *   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR  *
 *   OTHER DEALINGS IN THE SOFTWARE.                                        *
 *                                                                          *
 *   See LICENCES for more details.                                         *
 *                                                                          *
 *   SPDX-FileCopyrightText: Copyright 2005-2026                            *
 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
 *       - Christophe GONZALES(_at_AMU)                                     *
 *   SPDX-License-Identifier: LGPL-3.0-or-later OR MIT                      *
 *                                                                          *
 *   Contact  : info_at_agrum_dot_org                                       *
 *   homepage : http://agrum.gitlab.io                                      *
 *   gitlab   : https://gitlab.com/agrumery/agrum                           *
 *                                                                          *
 ****************************************************************************/
 

 
// =========================================================================
#ifndef GUM_FUNCTORS_H
#define GUM_FUNCTORS_H
// =========================================================================
#include <cstdlib>
// =========================================================================
#include <agrum/base/core/argMaxSet.h>
 
// =========================================================================
 
 
namespace gum {

  template < class GUM_SCALAR >
  struct Maximizes {
    // ###########################################################################
    // ###########################################################################
 
    GUM_SCALAR operator()(const GUM_SCALAR& x, const GUM_SCALAR& y) const;

 
    using first_argument_type  = GUM_SCALAR;
    using second_argument_type = GUM_SCALAR;
    using result_type          = GUM_SCALAR;
  };

  template < class GUM_SCALAR >
  struct Minimizes {
    // ###########################################################################
    // ###########################################################################
 
    GUM_SCALAR operator()(const GUM_SCALAR& x, const GUM_SCALAR& y) const;

 
    using first_argument_type  = GUM_SCALAR;
    using second_argument_type = GUM_SCALAR;
    using result_type          = GUM_SCALAR;
  };

 
  template < class GUM_SCALAR >
  struct ArgumentMaximises {
    // ###########################################################################
    // ###########################################################################
 
    GUM_SCALAR operator()(const GUM_SCALAR& x, const GUM_SCALAR& y) const;

 
    using first_argument_type  = GUM_SCALAR;
    using second_argument_type = GUM_SCALAR;
    using result_type          = GUM_SCALAR;
  };
}   // namespace gum
 
#include <agrum/base/core/functors_tpl.h>
 
#endif   // GUM_FUNCTORS_H