44 lines
735 B
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)
|
||
|
|
}
|