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abs

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charlie
2022-07-26 14:15:32 +08:00
parent 93352f03c1
commit ebd76d2df6
1 changed files with 7 additions and 0 deletions
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7
mathx/int.go
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@ -14,3 +14,10 @@ func Max[T constraints.Ordered](v1, v2 T) T {
func Min[T constraints.Ordered](v1, v2 T) T {
return expr.If(v1 < v2, v1, v2)
}
func abs(n int64) int64 {
y := n >> 63
return (n ^ y) - y
}