refactor encodings

src/commonMain/kotlin/com/infendro/encoding/util/Math.kt

@@ -2,15 +2,15 @@ package com.infendro.encoding.util
 
 import kotlin.math.log2
 
-internal fun log2(value: Int): Double =
-    log2(value.toDouble())
-
 internal fun Int.divCeil(n: Int): Int =
     (this + n - 1) / n
 
 internal fun Int.align(n: Int): Int =
     divCeil(n) * n
 
+internal fun log2(value: Int): Double =
+    log2(value.toDouble())
+
 internal fun gcd(a: Int, b: Int): Int {
     var x = a
     var y = b