div 1, 1 => 1 / 0
div 10, 5 => 2 / 0
div 10, 3 => 3 / 1
div 1, 18446744073709551615 => 0 / 1
div 10, 18446744073709551613 => 0 / 10
div 18446744073709551606, 18446744073709551613 => 0 / 18446744073709551606
idiv 1, 1 => 1 / 0
idiv 10, 5 => 2 / 0
idiv 10, 3 => 3 / 1
idiv 1, -1 => -1 / 0
idiv 10, -3 => -3 / 1
idiv -10, -3 => 3 / -1
