Files
bl/common/utils/bitset/popcnt_19.go

44 lines
735 B
Go

package bitset32
import "math/bits"
func popcntSlice(s []uint32) uint64 {
var cnt int
for _, x := range s {
cnt += bits.OnesCount32(x)
}
return uint64(cnt)
}
func popcntMaskSlice(s, m []uint32) uint64 {
var cnt int
for i := range s {
cnt += bits.OnesCount32(s[i] &^ m[i])
}
return uint64(cnt)
}
func popcntAndSlice(s, m []uint32) uint64 {
var cnt int
for i := range s {
cnt += bits.OnesCount32(s[i] & m[i])
}
return uint64(cnt)
}
func popcntOrSlice(s, m []uint32) uint64 {
var cnt int
for i := range s {
cnt += bits.OnesCount32(s[i] | m[i])
}
return uint64(cnt)
}
func popcntXorSlice(s, m []uint32) uint64 {
var cnt int
for i := range s {
cnt += bits.OnesCount32(s[i] ^ m[i])
}
return uint64(cnt)
}