OptimalFFT.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2009 by Willem van Straten
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
// dspsr/Signal/General/dsp/OptimalFFT.h
 
#ifndef __OptimalFFT_h
#define __OptimalFFT_h
 
#include "FTransformBench.h"
 
namespace dsp
{  
  class OptimalFFT : public Reference::Able
  {
  public:
 
    static bool verbose;
 
    OptimalFFT ();
 
    void set_simultaneous (bool flag);
 
    unsigned get_nfft (unsigned nfilt) const;
 
    virtual void set_nchan (unsigned nchan);
 
    virtual double compute_cost (unsigned nfft, unsigned nfilt) const;
 
    virtual std::string get_library (unsigned nfft);
 
  protected:
 
    mutable Reference::To<FTransform::Bench> bench;
 
    virtual FTransform::Bench* new_bench () const;
 
    unsigned nchan;
    bool simultaneous;
  };
 
}
 
#endif