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xinian
2026-02-19 14:54:36 +08:00
committed by cnb
parent 91c04b1d5e
commit 16b6adf1a1
1 changed files with 7 additions and 0 deletions
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7
common/utils/bitset/popcnt_19.go
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@@ -3,6 +3,13 @@ package bitset32
import "math/bits" import "math/bits"
func popcntSlice(s []uint32) uint64 { func popcntSlice(s []uint32) uint64 {
// int r = 0;
// while(n)
// {
// n &= (n - 1);
// ++r;
// }
var cnt int var cnt int
for _, x := range s { for _, x := range s {
cnt += bits.OnesCount32(x) cnt += bits.OnesCount32(x)