multiDimWithOffset.h

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#ifndef GUM_MULTI_DIM_WITH_OFFSET_H
#define GUM_MULTI_DIM_WITH_OFFSET_H
 
#include <vector>
 
#include <agrum/agrum.h>
 
#include <agrum/base/multidim/implementations/multiDimImplementation.h>
 
namespace gum {
  // ==========================================================================
  // ===                    GUM_MULTI_DIM_WITH_OFFSET === */
  // ==========================================================================
  template < typename GUM_ELEMENT >
  class MultiDimWithOffset: public MultiDimImplementation< GUM_ELEMENT > {
    public:
    // =========================================================================
    // =========================================================================

    MultiDimWithOffset();

    MultiDimWithOffset(const MultiDimWithOffset< GUM_ELEMENT >& from);

    ~MultiDimWithOffset() override;

    MultiDimWithOffset< GUM_ELEMENT >& operator=(const MultiDimWithOffset< GUM_ELEMENT >& from);
 
    [[nodiscard]] MultiDimContainer< GUM_ELEMENT >* newFactory() const override = 0;

    // =========================================================================
    // =========================================================================
 
    void add(const DiscreteVariable& v) override;
 
    void erase(const DiscreteVariable& v) override;
 
    void fill(const GUM_ELEMENT& d) const override = 0;
 
    std::string toString(const Instantiation* i) const override;
 
    void changeNotification(const Instantiation&          i,
                            const DiscreteVariable* const var,
                            Idx                           oldval,
                            Idx                           newval) override;
 
    void setChangeNotification(const Instantiation& i) override;
 
    void setFirstNotification(const Instantiation& i) override;
 
    void setLastNotification(const Instantiation& i) override;
 
    void setIncNotification(const Instantiation& i) override;
 
    void setDecNotification(const Instantiation& i) override;
 
    bool registerSlave(Instantiation& i) override;
 
    bool unregisterSlave(Instantiation& i) override;

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


    Size toOffset(const Instantiation& i) const;

    Instantiation& fromOffset(Instantiation& i, Size offset) const;

 
    protected:
    Size getOffs_(const Instantiation& i) const;

    HashTable< const DiscreteVariable*, Size > gaps_;

    HashTable< const Instantiation*, Size > offsets_;

    void computeInstantiationValue_(Instantiation& result, Size indice) const;
 
    GUM_ELEMENT& get_(const Instantiation& i) const override = 0;
  };
} /* namespace gum */
 
#include <agrum/base/multidim/implementations/multiDimWithOffset_tpl.h>
 
#endif /* GUM_MULTI_DIM_WITH_OFFSET_H */