idCondSet.cpp

Go to the documentation of this file.

/****************************************************************************
 *   This file is part of the aGrUM/pyAgrum library.                        *
 *                                                                          *
 *   Copyright (c) 2005-2025 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 2005-2025                            *
 *       - 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                           *
 *                                                                          *
 ****************************************************************************/
 

 
#include <agrum/base/stattests/idCondSet.h>
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS

#  ifdef GUM_NO_INLINE
#    include <agrum/base/stattests/idCondSet_inl.h>
#  endif /* GUM_NO_INLINE */
 
namespace gum {
 
  namespace learning {

    IdCondSet IdCondSet::conditionalIdCondSet() const {
      IdCondSet         set;
      const std::size_t size = _ids_.size();
      for (std::size_t i = _nb_lhs_ids_; i < size; ++i)
        set._ids_ << _ids_[i];
      set._end_safe_._gotoEnd_();
      return set;
    }

    void IdCondSet::erase(const NodeId id) {
      // search for id in Sequence  _ids_
      const std::size_t size = _ids_.size();
      std::size_t       pos  = std::size_t(0);
      for (; pos < size; ++pos) {
        if (_ids_[pos] == id) break;
      }
 
      // if we found the id, remove it
      if (pos < size) {
        _ids_.erase(SequenceIteratorSafe< NodeId >(_ids_, pos));
        if (pos < _nb_lhs_ids_) --_nb_lhs_ids_;
        _end_safe_._gotoEnd_();
      }
    }

    std::string IdCondSet::toString() const {
      std::stringstream str;
 
      str << '{';
      bool deja = false;
 
      for (std::size_t i = std::size_t(0); i < _nb_lhs_ids_; ++i) {
        if (deja) str << " , ";
        else deja = true;
        str << _ids_[i];
      }
 
      deja = false;
      for (auto iter = _ids_.begin() + _nb_lhs_ids_; iter != _ids_.end(); ++iter) {
        if (deja) str << " , ";
        else {
          deja = true;
          str << " | ";
        }
        str << *iter;
      }
 
      str << '}';
 
      return str.str();
    }
 
    std::pair< NodeSet, NodeSet > IdCondSet::toNodeSets() const {
      gum::NodeSet left;
      gum::NodeSet right;
 
      for (auto i = std::size_t(0); i < _ids_.size(); ++i)
        if (i < _nb_lhs_ids_) left.insert(_ids_[i]);
        else right.insert(_ids_[i]);
      return {left, right};
    }

    bool IdCondSet::contains(const IdCondSet& set) const {
      if (set._ids_.size() > _ids_.size()) return false;
      for (const auto node: set._ids_) {
        if (!_ids_.exists(node)) return false;
      }
      return true;
    }
 
    // the display operator
    std::ostream& operator<<(std::ostream& stream, const IdCondSet& idset) {
      return stream << idset.toString();
    }
 
  } /* namespace learning */
 
  // Returns the value of a key as a Size.
  Size HashFunc< learning::IdCondSet >::castToSize(const learning::IdCondSet& key) {
    Size                      h    = Size(key.nbLHSIds());
    const Sequence< NodeId >& vect = key.ids();
    const std::size_t         size = vect.size();
 
    std::size_t i = std::size_t(0);
    while (i < size) {
      const Size id = Size(vect[i]);
      ++i;
      h += Size(i) * id;
    }
 
    return h;
  }
 
 
} /* namespace gum */
 
#endif /* DOXYGEN_SHOULD_SKIP_THIS */