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Rounding up and down to nearest multiple
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| /** round n down to nearest multiple of m */ | |
| long roundDown(long n, long m) { | |
| return n >= 0 ? (n / m) * m : ((n - m + 1) / m) * m; | |
| } | |
| /** round n up to nearest multiple of m */ | |
| long roundUp(long n, long m) { | |
| return n >= 0 ? ((n + m - 1) / m) * m : (n / m) * m; | |
| } |
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