o4DGContext.h

Go to the documentation of this file.

/****************************************************************************
 *  Copyright (C) 2005 by Pierre-Henri WUILLEMIN et Christophe GONZALES     *
 *  {prenom.nom}_at_lip6.fr                                                 *
 *                                                                          *
 *  This program is free software; you can redistribute it and/or modify    *
 *  it under the terms of the GNU General Public License as published by    *
 *  the Free Software Foundation; either version 2 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 General Public License for more details.                            *
 *                                                                          *
 *  You should have received a copy of the GNU General Public License       *
 *  along with this program; if not, write to the                           *
 *  Free Software Foundation, Inc.,                                         *
 *  59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.                *
 ****************************************************************************/
#ifndef O4DGCONTEXT_H
#define O4DGCONTEXT_H

#include <agrum/agrum.h>
#include <agrum/core/math/math.h>
#include <agrum/multidim/implementations/multiDimFunctionGraph.h>

namespace gum {

  // clang-format off
  // clang-format on
  class O4DGContext {
    public:
    // ============================================================================
    // ============================================================================

    O4DGContext(Idx*, Idx);

    ~O4DGContext();

    void* operator new(size_t s);

    void operator delete(void* p);

    // ============================================================================
    // ============================================================================

    void setDG1Node(const NodeId&);

    const NodeId& DG1Node() const { return __DG1ExploredNode; }

    void setDG2Node(const NodeId&);

    const NodeId& DG2Node() const { return __DG2ExploredNode; }

    // ============================================================================
    // ============================================================================

    void chgVarModality(Idx, Idx);

    Idx varModality(Idx);

    // ============================================================================
    // ============================================================================

    const double& key(short int* instNeeded);


    private:
    NodeId __DG1ExploredNode;

    NodeId __DG2ExploredNode;

    Idx* __varInstantiation;
    Idx  __nbVar;

    double __key;

    static const double __logPrime[];
    static const Idx    __nbLogPrime, __offsetv, __offset1, __offset2;
  };
}   // namespace gum

#ifndef GUM_NO_INLINE
#  include <agrum/multidim/utils/FunctionGraphUtilities/operators/o4DGContext_inl.h>
#endif /* GUM_NO_INLINE */

#endif   // O4DGCONTEXT_H