SampleDelayFunction.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2005 by Willem van Straten
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
// dspsr/Signal/General/dsp/SampleDelayFunction.h
 
#ifndef __baseband_dsp_SampleDelayFunction_h
#define __baseband_dsp_SampleDelayFunction_h
 
#include "Reference.h"
#include "environ.h"
 
namespace dsp {
 
  class Observation;
 
  class SampleDelayFunction : public Reference::Able {
 
  public:
 
    virtual ~SampleDelayFunction () { }
 
 
    virtual bool match (const Observation* obs) = 0;
 
    virtual int64_t get_delay (unsigned ichan=0, unsigned ipol=0) const = 0;
 
    virtual int64_t get_delay_range (unsigned schan=0, unsigned echan=0, unsigned ipol=0) const = 0;
 
    virtual void mark (Observation* observation) { }
 
    virtual bool get_absolute () const { return false; }
 
  };
 
 
}
 
#endif