K2_inl.h

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 *   Copyright (c) 2005-2026 by                                             *
 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
 *       - Christophe GONZALES(_at_AMU)                                     *
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 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
 *       - Christophe GONZALES(_at_AMU)                                     *
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#pragma once
 

 
#include <agrum/BN/learning/K2.h>   // to ease IDE parser
#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
namespace gum {
 
  namespace learning {

    INLINE K2::K2() {
      GUM_CONSTRUCTOR(K2);
      ;
    }

    INLINE K2::K2(const K2& from) : GreedyHillClimbing(from), _order_(from._order_) {
      GUM_CONS_CPY(K2);
    }

    INLINE K2::K2(K2&& from) :
        GreedyHillClimbing(std::move(from)), _order_(std::move(from._order_)) {
      GUM_CONS_MOV(K2);
    }

    INLINE K2::~K2() {
      GUM_DESTRUCTOR(K2);
      ;
    }

    INLINE K2& K2::operator=(const K2& from) {
      if (this != &from) {
        GreedyHillClimbing::operator=(from);
        _order_ = from._order_;
      }
      return *this;
    }

    INLINE K2& K2::operator=(K2&& from) {
      if (this != &from) {
        GreedyHillClimbing::operator=(std::move(from));
        _order_ = std::move(from._order_);
      }
      return *this;
    }

    INLINE void K2::setOrder(const Sequence< NodeId >& order) { _order_ = order; }

    INLINE void K2::setOrder(const std::vector< NodeId >& order) {
      _order_.clear();
      for (const auto node: order) {
        _order_.insert(node);
      }
    }

    INLINE const Sequence< NodeId >& K2::order() const noexcept { return _order_; }

    INLINE void K2::_checkOrder_(const std::vector< Size >& modal) {
      if (modal.size() != _order_.size()) {
        GUM_ERROR(InvalidArgument,
                  "the number of elements in the order given "
                  "to K2 is not the same as the number of nodes");
      }
      bool order_ok = true;
      for (const auto node: _order_) {
        if (node >= _order_.size()) {
          order_ok = false;
          break;
        }
      }
      if (!order_ok) {
        GUM_ERROR(InvalidArgument,
                  "there exist at least one node in the order "
                  "given to K2 that has no domain size");
      }
    }

    INLINE ApproximationScheme& K2::approximationScheme() {
      return GreedyHillClimbing::approximationScheme();
    }
 
  } /* namespace learning */
 
} /* namespace gum */
 
#endif /* DOXYGEN_SHOULD_SKIP_THIS */