crc.h

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#ifndef CRC_H
#define CRC_H
 
#include <itpp/base/vec.h>
#include <itpp/base/mat.h>
#include <itpp/itexports.h>
 
namespace itpp
{

class ITPP_EXPORT CRC_Code
{
public:

  CRC_Code() { reverse_parity = false; }

  CRC_Code(const std::string &code) { reverse_parity = false; set_code(code); }

  void set_generator(const bvec &poly);

  void set_code(const std::string &code);

  void parity(const bvec &in_bits, bvec &out) const;

  bool check_parity(const bvec &coded_bits) const;

  void encode(const bvec &in_bits, bvec &out) const;

  bvec encode(const bvec &in_bits) const;

  bool decode(const bvec &coded_bits, bvec &out) const;

  bool decode(bvec &bits) const;
 
private:
  bool reverse_parity;
  bvec polynomial;
  int no_parity;
};
 
} // namespace itpp
 
#endif // #ifndef CRC_H