Created
September 28, 2018 07:31
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log2 for int
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| // stacklog2 returns ⌊log_2(n)⌋. | |
| func stacklog2(n uintptr) int { | |
| log2 := 0 | |
| for n > 1 { | |
| n >>= 1 | |
| log2++ | |
| } | |
| return log2 | |
| } |
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