| /* 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 */ |