This is clearly a floating point precision problem. It happens when are no bits small enough on the mantissa to express the difference between the two values.

This is clearly a floating point precision problem. It happens when are no bits small enough on the mantissa to express the difference between the two values. Check out: http://www.google.com/search?q=999999999999999+*+1 http://www.google.com/search?q=999999999999999+*+1 this overflows into the next integer as well.