Mark5TwoBitCorrection.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2006 by Willem van Straten
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
// dspsr/Kernel/Formats/mark5/dsp/Mark5TwoBitCorrection.h
 
#ifndef __Mark5TwoBitCorrection_h
#define __Mark5TwoBitCorrection_h
 
#include "dsp/SubByteTwoBitCorrection.h"
 
namespace dsp {
 
  class Mark5File;
 
  class Mark5TwoBitCorrection: public SubByteTwoBitCorrection {
 
  public:
 
    Mark5TwoBitCorrection ();
 
    virtual bool matches (const Observation* observation);
 
    static bool can_do (const Observation* observation);
 
    unsigned get_ndig_per_byte () const;
 
    unsigned get_input_incr () const;
 
    unsigned get_input_offset (unsigned idig) const;
 
    unsigned get_output_ipol (unsigned idig) const;
 
    unsigned get_output_ichan (unsigned idig) const;
 
  protected:
 
    void dig_unpack (const unsigned char* input_data, 
                     float* output_data,
                     uint64_t ndat,
                     unsigned long* hist,
                     unsigned* weights = 0,
                     unsigned nweights = 0);
 
    const Mark5File* file;
 
    TwoBit< 2, GatherMask<2> > gather;
 
  };
  
}
 
#endif