a2.h

#ifndef BF_BLOOM_FILTER_A2_H
#define BF_BLOOM_FILTER_A2_H

#include <bf/bloom_filter/basic.h>

namespace bf {

class a2_bloom_filter : public bloom_filter
{
public:
  static size_t k(double fp);

  static size_t capacity(double fp, size_t cells);

  a2_bloom_filter(size_t k, size_t cells, size_t capacity,
                  size_t seed1 = 0, size_t seed2 = 0);

  using bloom_filter::add;
  using bloom_filter::lookup;

  virtual void add(object const& o) override;
  virtual size_t lookup(object const& o) const override;
  virtual void clear() override;

private:
  basic_bloom_filter first_;
  basic_bloom_filter second_;
  size_t items_ = 0; 
  size_t capacity_;  
};

} // namespace bf

#endif