k3s/vendor/github.com/bits-and-blooms/bitset/popcnt_19.go
Brad Davidson e204d863a5 Update Kubernetes to v1.22.1
* Update Kubernetes to v1.22.1
* Update dependent modules to track with upstream

Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
2021-08-20 18:47:16 -07:00

46 lines
750 B
Go

// +build go1.9
package bitset
import "math/bits"
func popcntSlice(s []uint64) uint64 {
var cnt int
for _, x := range s {
cnt += bits.OnesCount64(x)
}
return uint64(cnt)
}
func popcntMaskSlice(s, m []uint64) uint64 {
var cnt int
for i := range s {
cnt += bits.OnesCount64(s[i] &^ m[i])
}
return uint64(cnt)
}
func popcntAndSlice(s, m []uint64) uint64 {
var cnt int
for i := range s {
cnt += bits.OnesCount64(s[i] & m[i])
}
return uint64(cnt)
}
func popcntOrSlice(s, m []uint64) uint64 {
var cnt int
for i := range s {
cnt += bits.OnesCount64(s[i] | m[i])
}
return uint64(cnt)
}
func popcntXorSlice(s, m []uint64) uint64 {
var cnt int
for i := range s {
cnt += bits.OnesCount64(s[i] ^ m[i])
}
return uint64(cnt)
}