mlsd.h

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// 
// author="Tony Kirke"
// Copyright (c) 2001 Tony Kirke
/*
 * SPUC - Signal processing using C++ - A DSP library
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef MLSD
#define MLSD
#include <complex.h>
#include <delay.h>
#include <fir_adapt.h>
namespace SPUC {



class mlsd {
 public:
  fir_adapt < complex<double> >  cfir;  
  long num_taps; 
  long n_states; 
  long* path;    
  double* weight; 
  double* tmp_weight; 
  long* tmp_path;     

 public:
  mlsd(char inf=3);
  ~mlsd() {
          delete [] tmp_path;
          delete [] tmp_weight;
          delete [] path;
          delete [] weight;
  }
  void reset() {
        cfir.reset();
  }
  void update_taps_lms(complex<double> err) {
        cfir.update_lms(err);
  }
  complex<double> tap0(void) { return(cfir.coeff[0]); }
  complex<double> estimate(long seq);
  long seq_estimation(complex<double> y);
};
} // namespace SPUC 
#endif

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