/*
  Copyright (c) 2007 Stefan Kurtz <kurtz@zbh.uni-hamburg.de>
  Copyright (c) 2007 Center for Bioinformatics, University of Hamburg

  Permission to use, copy, modify, and distribute this software for any
  purpose with or without fee is hereby granted, provided that the above
  copyright notice and this permission notice appear in all copies.

  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

#ifndef TURNWHEELS_H
#define TURNWHEELS_H

typedef struct Turningwheel Turningwheel;

Turningwheel *gt_turningwheel_new(unsigned int numofwheels,
                                  unsigned int asize);

size_t gt_turningwheel_size(void);

bool gt_turningwheel_next(Turningwheel *tw);

unsigned int gt_turningwheel_minchanged(const Turningwheel *tw);

void gt_turningwheel_output(const Turningwheel *tw);

void gt_turningwheel_delete(Turningwheel *tw);

#endif
