#!/usr/bin/env python3 # taken from: # https://stackoverflow.com/questions/47678568/deterministic-pseudorandom-number-generation/47681859#47681859 def hash2d(i, j): x = i + (j << 32) x = (x ^ (x >> 30)) * (0xbf58476d1ce4e5b9) x = (x ^ (x >> 27)) * (0x94d049bb133111eb) x = x ^ (x >> 31) return x