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| Direktori : /home/waritko/go/src/github.com/odeke-em/go-utils/blen/ |
| Current File : //home/waritko/go/src/github.com/odeke-em/go-utils/blen/blen.go |
package blen
func Blen(v uint64) int {
l := int(0)
for {
if v <= 0xFF {
break
}
v >>= 8
l += 8
}
if v&0x80 != 0 {
l += 8
} else if v&0x40 != 0 {
l += 7
} else if v&0x20 != 0 {
l += 6
} else if v&0x10 != 0 {
l += 5
} else if v&0x8 != 0 {
l += 4
} else if v&0x4 != 0 {
l += 3
} else if v&0x2 != 0 {
l += 2
} else {
l += 1
}
return l
}