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Big Number Library for Kotlin

There is a newer version: 4.0.10

package com.soywiz.kbignum.internal

import kotlin.math.*

// https://graphics.stanford.edu/~seander/bithacks.html#CountBitsSetParallel
@OptIn(ExperimentalStdlibApi::class)
internal fun Int.bitCount(): Int = countOneBits()

@OptIn(ExperimentalStdlibApi::class)
internal fun Int.trailingZeros(): Int = countTrailingZeroBits()

@OptIn(ExperimentalStdlibApi::class)
internal fun Int.leadingZeros(): Int = countLeadingZeroBits()