I think you run into the opposite issue, where equality is too likely and nonequal values return as equal. There might be a sweet spot with something like (0.1

I think you run into the opposite issue, where equality is too likely and nonequal values return as equal. There might be a sweet spot with something like (0.1 + 0.2 - 0.2) / 0.1 ==[+/- .001] 1.0 => True