* NOTE(bowei): we use a hash function that is NOT md5 -
 * Either https://github.com/sublee/squirrel3-python/blob/master/squirrel3.py or https://github.com/svaarala/duktape/blob/master/misc/splitmix64.c works fine and is much faster
 * Reference: https://www.youtube.com/watch?v=e4b--cyXEsM or https://www.youtube.com/watch?v=LWFzPP8ZbdU
 * TODO(bowei): port bigint to wasm for faster 64bit operations
 */
function splitmix64(seed: bigint, i: bigint) {
    let z: bigint = seed + i * 0x9e3779b97f4a7c15;
    z = ( z ^ ( z >> 30 ) ) * 0xBF58476D1CE4E5B9;
    z = ( z ^ ( z >> 27 ) ) * 0x94D049BB133111EB;
    return z ^ ( z >> 31 );
}
function squirrel3(seed: number, i: number) {
    let n = i * 0xb5297a4d;
    n += seed;
    n ^= n >> 8;
    n += 0x68e31da4;
    n ^= n << 8;
    n *= 0x1b56c4e9;
    n ^= n >> 8;
    return n % ( 1 << 32 );
}
/**