focus/utils/math.go

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150 B
Go
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2019-05-20 11:12:38 +00:00
package utils
var bit = uint(32 << (^uint(0) >> 63))
var bitsub1 = bit - 1
func AbsInt(n int) uint {
y := n >> bitsub1
return uint((n ^ y) - y)
}