[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / rational.h

/*
 * 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 */
Commit	Line	Data
8759ef32 OS	1	/*
	2	* rational fractions
	3	*
6684b572	4	* Copyright (C) 2009 emlix GmbH, Oskar Schirmer <oskar@scara.com>
8759ef32 OS	5	*
	6	* helper functions when coping with rational numbers,
	7	* e.g. when calculating optimum numerator/denominator pairs for
	8	* pll configuration taking into account restricted register size
	9	*/
	10
	11	#ifndef _LINUX_RATIONAL_H
	12	#define _LINUX_RATIONAL_H
	13
	14	void rational_best_approximation(
	15	unsigned long given_numerator, unsigned long given_denominator,
	16	unsigned long max_numerator, unsigned long max_denominator,
	17	unsigned long best_numerator, unsigned long best_denominator);
	18
	19	#endif /* _LINUX_RATIONAL_H */