/* SPDX-License-Identifier: GPL-2.0 */

  /*
   * rational fractions
   *

   * Copyright (C) 2009 emlix GmbH, Oskar Schirmer <oskar@scara.com>

   *
   * helper functions when coping with rational numbers,
   * e.g. when calculating optimum numerator/denominator pairs for
   * pll configuration taking into account restricted register size
   */
  
  #ifndef _LINUX_RATIONAL_H
  #define _LINUX_RATIONAL_H
  
  void rational_best_approximation(
  	unsigned long given_numerator, unsigned long given_denominator,
  	unsigned long max_numerator, unsigned long max_denominator,
  	unsigned long *best_numerator, unsigned long *best_denominator);
  
  #endif /* _LINUX_RATIONAL_H */