BoxMuller.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2006 by Willem van Straten
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
// epsic/src/util/BoxMuller.h
 
#ifndef __BoxMuller_h
#define __BoxMuller_h

class BoxMuller {
 
 public:

  BoxMuller (long seed = 0);

  float operator () () { return evaluate(); }
 
  float evaluate ();
 
 protected:

  bool  have_one_ready;
  float one_ready;
 
};
 
#endif