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Update Witness.h #1

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14 changes: 11 additions & 3 deletions src/Witness.h
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@ class WitnessPlan : public Plan
public:
WitnessPlan (char const * const name, Plan * const input);
~WitnessPlan ();
Iterator * init () const;
Iterator * init () const override;
private:
Plan * const _input;
}; // class WitnessPlan
Expand All @@ -16,10 +16,18 @@ class WitnessIterator : public Iterator
public:
WitnessIterator (WitnessPlan const * const plan);
~WitnessIterator ();
bool next (Row & row);
void free (Row & row);
bool next (Row & row) override;
void free (Row & row) override;
size_t getRowCount() const {return _rows;}
size_t getParity() const{return _parity;}
size_t getInversions() const {return _inversions;}
private:
WitnessPlan const * const _plan;
Iterator * const _input;
RowCount _rows;
size_t _parity; //store XOR of row values
size_t _inversions; //Number of inversions
Row _previousRow; //Last observed row
bool _hasPrevious; //If previous row is valid

}; // class WitnessIterator