FTransformBench.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2009 by Willem van Straten
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
#ifndef __FTransformBench_h_
#define __FTransformBench_h_
 
#include "FTransform.h"
 
namespace FTransform {

  class Bench : public Reference::Able
  {
  public:
 
    static bool verbose;

    Bench ();

    void set_path (const std::string& path);

    void set_nthread (unsigned nthread);

    unsigned get_max_nfft () const;
 
    class Entry;

    Entry get_best (unsigned nfft) const;
 
  protected:

    mutable std::vector<Entry> entries;
    mutable unsigned max_nfft;
    mutable bool loaded;
 
    std::string path;
    unsigned nthread;
 
    void reset ();
 
    virtual void load () const;
    virtual void load (const std::string& library,
                       const std::string& filename) const;
  };
 
  class Bench::Entry
  {
  public:
    std::string library;
    unsigned nfft;
    double cost;
 
    Entry () { nfft = 0; cost = 0.0; }
  };
}
 
#endif