> return ((y * 1073750999) & 3221352463) <= 126976; > How does this work? The answer is surprisingly complex. I don't think anyone is surprised in the complex

> return ((y * 1073750999) & 3221352463) <= 126976; > How does this work? The answer is surprisingly complex. I don't think anyone is surprised in the complexity of any explanation for that algorithm :D