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19 lines
600 B
19 lines
600 B
/* |
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* rational fractions |
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* |
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* Copyright (C) 2009 emlix GmbH, Oskar Schirmer <oskar@scara.com> |
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* |
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* helper functions when coping with rational numbers, |
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* e.g. when calculating optimum numerator/denominator pairs for |
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* pll configuration taking into account restricted register size |
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*/ |
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#ifndef _LINUX_RATIONAL_H |
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#define _LINUX_RATIONAL_H |
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void rational_best_approximation( |
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unsigned long given_numerator, unsigned long given_denominator, |
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unsigned long max_numerator, unsigned long max_denominator, |
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unsigned long *best_numerator, unsigned long *best_denominator); |
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#endif /* _LINUX_RATIONAL_H */
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