spanningForestPrim.h

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#ifndef GUM_SPANNING_FOREST_PRIM_H
#define GUM_SPANNING_FOREST_PRIM_H
 
#include <agrum/base/core/priorityQueue.h>
#include <agrum/base/graphs/algorithms/spanningForest.h>
 
namespace gum {
 
  /* ===========================================================================
   */
  /* ===========================================================================
   */
  class SpanningForestPrim: public SpanningForest {
    public:
    // ############################################################################
    // ############################################################################


    SpanningForestPrim(const UndiGraph* graph, const EdgeProperty< float >* costTable);

    SpanningForestPrim(const SpanningForestPrim& toCopy);

    virtual ~SpanningForestPrim();

 
    // ############################################################################
    // ############################################################################


    const EdgeSet& edgesInSpanningForest();


    const UndiGraph& spanningForest();


    float costOfSpanningForest();

 
    private:
    const UndiGraph& _graph_;

    const EdgeProperty< float >& _costTable_;

    PriorityQueue< Edge, float > _edgesToExplore_;

    UndiGraph _spanning_tree_;

    float _spanning_tree_cost_;

    bool _require_computation_;

    void _compute_();

    void _computeInAComponent_(const NodeId id);

    void _exploreNode_(const NodeId id);

    SpanningForestPrim& operator=(const SpanningForestPrim& toCopy);
  };
 
} /* namespace gum */
 
#endif /* GUM_SPANNING_FOREST_PRIM_H */