BinaryMask.h

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#ifndef BINARY_MASK_H
#define BINARY_MASK_H
 
#include <memory>
#include <stdexcept>
#include <iostream>
 
namespace CNum::DataStructs {
  template <typename T>
  class Matrix;
  
  using BitMask = ::std::unique_ptr<uint8_t[]>;

  class BinaryMask {
  private:
    ::std::unique_ptr<uint8_t[]> _bit_mask;
    size_t _size;
    size_t _n_set;

    void copy(const BinaryMask &other) noexcept;

    void move(BinaryMask &&other) noexcept;


    static size_t n_bytes_required(size_t bits) noexcept;
    
  public:
    BinaryMask() = delete;
    BinaryMask(BitMask mask, size_t size, size_t n_set);

    BinaryMask(const BinaryMask &other) noexcept;
    BinaryMask &operator=(const BinaryMask &other) noexcept;
    BinaryMask(BinaryMask &&other) noexcept;
    BinaryMask &operator=(BinaryMask &&other) noexcept;
      
    template <typename T>
    ::CNum::DataStructs::Matrix<T> mask(const ::CNum::DataStructs::Matrix<T> &m) const;

    template <typename T, typename U, typename CompareFunction>
    static BinaryMask create_binary_mask(const T &m, U val);

    template <typename T, typename CompareFunction>
    static BinaryMask create_binary_mask_matrix(const ::CNum::DataStructs::Matrix<T> &m, T val);
  };
 
  #include "CNum/DataStructs/Matrix/BinaryMask.tpp"
};
 
#endif