/****************************************************************************
 *   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,          *
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 *   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                           *
 *                                                                          *
 ****************************************************************************/

#pragma once


/**
 * @file
 * @brief min aggregator
 *
 * @author Pierre-Henri WUILLEMIN(_at_LIP6) & Christophe GONZALES(_at_AMU)
 */

// to ease parser in IDEs
#include <agrum/base/multidim/aggregators/min.h>
#include <agrum/base/multidim/aggregators/multiDimAggregator.h>

namespace gum {

  namespace aggregator {

    // Default constructor
    template < GUM_Numeric GUM_SCALAR >
    Min< GUM_SCALAR >::Min() : MultiDimAggregator< GUM_SCALAR >() {
      this->decomposable_ = true;
      GUM_CONSTRUCTOR(Min);
    }

    // Default constructor
    template < GUM_Numeric GUM_SCALAR >
    Min< GUM_SCALAR >::Min(const Min< GUM_SCALAR >& from) : MultiDimAggregator< GUM_SCALAR >(from) {
      GUM_CONS_CPY(Min);
    }

    // destructor
    template < GUM_Numeric GUM_SCALAR >
    Min< GUM_SCALAR >::~Min() {
      GUM_DESTRUCTOR(Min);
    }

    template < GUM_Numeric GUM_SCALAR >
    Idx Min< GUM_SCALAR >::neutralElt_() const {
      return std::numeric_limits< Idx >::max();
    }

    template < GUM_Numeric GUM_SCALAR >
    Idx Min< GUM_SCALAR >::fold_(const DiscreteVariable& v,
                                 Idx                     i1,
                                 Idx                     i2,
                                 bool&                   stop_iteration) const {
      return (i1 < i2) ? i1 : i2;
    }

    template < GUM_Numeric GUM_SCALAR >
    std::string Min< GUM_SCALAR >::aggregatorName() const {
      return "min";
    }

    template < GUM_Numeric GUM_SCALAR >
    MultiDimContainer< GUM_SCALAR >* Min< GUM_SCALAR >::newFactory() const {
      return new Min< GUM_SCALAR >;
    }

  }   // namespace aggregator
}   // namespace gum
