Use Go 1.9 math/bits implementation for counting leading / trailing zeros
@@ -46,8 +46,7 @@ package chunks
import (
"encoding/binary"
"math"
-
- bits "github.com/dgryski/go-bits"
+ "math/bits"
)
// XORChunk holds XOR encoded sample data.
@@ -197,8 +196,8 @@ func (a *xorAppender) writeVDelta(v float64) {
}
a.b.writeBit(one)
- leading := uint8(bits.Clz(vDelta))
- trailing := uint8(bits.Ctz(vDelta))
+ leading := uint8(bits.LeadingZeros64(vDelta))
+ trailing := uint8(bits.TrailingZeros64(vDelta))
// Clamp number of leading zeros to avoid overflow when encoding.
if leading >= 32 {
