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/* 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 */