hammcode.h

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#ifndef HAMMING_H
#define HAMMING_H

#include <itpp/base/vec.h>
#include <itpp/base/mat.h>
#include <itpp/comm/channel_code.h>


namespace itpp
{

class Hamming_Code : public Channel_Code
{
public:
  Hamming_Code(int m);

  virtual ~Hamming_Code() { }

  virtual void encode(const bvec &uncoded_bits, bvec &coded_bits);
  virtual bvec encode(const bvec &uncoded_bits);

  virtual void decode(const bvec &coded_bits, bvec &decoded_bits);
  virtual bvec decode(const bvec &coded_bits);

  // Soft-decision decoding is not implemented
  virtual void decode(const vec &received_signal, bvec &output);
  virtual bvec decode(const vec &received_signal);

  virtual double get_rate() const { return static_cast<double>(k) / n; };

  int get_n() const { return n; };
  int get_k() const { return k; };
  bmat get_H() const { return H; };
  bmat get_G() const { return G; };
private:
  int n, k;
  bmat H, G;
  void generate_H(void);
  void generate_G(void);
};

} // namespace itpp

#endif // #ifndef HAMMING_H

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