TwoBitLookup.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2008 by Willem van Straten
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
// dspsr/Kernel/Classes/dsp/TwoBitLookup.h
 
#ifndef __TwoBitLookup_h
#define __TwoBitLookup_h
 
#include "dsp/TwoBitTable.h"
 
class JenetAnderson98;
 
namespace dsp
{
  class TwoBitTable;
 
  class TwoBitLookup
  {
 
  public:
 
    TwoBitLookup ();
    virtual ~TwoBitLookup ();
 
    void set_ndat (unsigned ndat);
 
    void set_ndim (unsigned ndim);
 
    void set_nlow_min (unsigned min);
 
    void set_nlow_max (unsigned max);
 
    virtual void lookup_build (TwoBitTable*, JenetAnderson98* = 0);
 
    virtual void get_lookup_block (float* lookup, TwoBitTable* table) = 0;
 
    virtual unsigned get_lookup_block_size () = 0;
 
  protected:
    
    unsigned nlow;
    unsigned nlow_min;
    unsigned nlow_max;
 
    unsigned ndat;
    unsigned ndim;
 
    float* lookup_base;
 
    // create lookup_base
    virtual void create ();
 
  private:
 
    // delete lookup_base
    void destroy ();
  };
 
}
 
#endif