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26 lines
482 B
26 lines
482 B
// SPDX-License-Identifier: GPL-2.0-only |
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#include <linux/compiler.h> |
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#include <linux/gcd.h> |
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#include <linux/export.h> |
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#include <linux/lcm.h> |
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/* Lowest common multiple */ |
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unsigned long lcm(unsigned long a, unsigned long b) |
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{ |
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if (a && b) |
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return (a / gcd(a, b)) * b; |
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else |
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return 0; |
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} |
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EXPORT_SYMBOL_GPL(lcm); |
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unsigned long lcm_not_zero(unsigned long a, unsigned long b) |
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{ |
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unsigned long l = lcm(a, b); |
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if (l) |
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return l; |
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return (b ? : a); |
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} |
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EXPORT_SYMBOL_GPL(lcm_not_zero);
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