multiDimSparse.h

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 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
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#ifndef GUM_MULTI_DIM_SPARSE_H
#define GUM_MULTI_DIM_SPARSE_H
 
#include <vector>
 
#include <agrum/agrum.h>
 
#include <agrum/base/multidim/implementations/multiDimWithOffset.h>
 
namespace gum {
 
  // ===========================================================================
  // ===                          GUM_MULTI_DIM_ARRAY                        ===
  // ===========================================================================
  template < typename GUM_ELEMENT >
  class MultiDimSparse final: public MultiDimWithOffset< GUM_ELEMENT > {
    public:
    // =========================================================================
    // =========================================================================

    explicit MultiDimSparse(const GUM_ELEMENT& default_value);

    MultiDimSparse(const MultiDimSparse< GUM_ELEMENT >& from);


    ~MultiDimSparse() override;
 

    // =========================================================================
    // =========================================================================
 
    [[nodiscard]] MultiDimContainer< GUM_ELEMENT >* newFactory() const override;
 
    void add(const DiscreteVariable& v) override;
 
    void erase(const DiscreteVariable& v) override;
 
    void fill(const GUM_ELEMENT& d) const override;
 
    GUM_ELEMENT get(const Instantiation& i) const override;
 
    void set(const Instantiation& i, const GUM_ELEMENT& value) const override;
 
    const std::string& name() const override;
 
    Size realSize() const override;

 
    protected:
    mutable HashTable< Size, GUM_ELEMENT > params_;

    mutable GUM_ELEMENT default_;

    void commitMultipleChanges_() override;

    GUM_ELEMENT& get_(const Instantiation& i) const override;
 
    // =========================================================================
    // =========================================================================
 
    void replace_(const DiscreteVariable* x, const DiscreteVariable* y) override;

  };
 
 
#ifndef GUM_NO_EXTERN_TEMPLATE_CLASS
  extern template class MultiDimSparse< double >;
#endif
 
 
} /* namespace gum */
 
#include <agrum/base/multidim/implementations/multiDimSparse_tpl.h>
 
#endif /* GUM_MULTI_DIM_SPARSE_H */