12.02.2017, 19:55
It's the same thing as trying to display 1/3 in base 10: 0.33333... You know that 1/3 + 1/3 + 1/3 equals 1 but a computer will say its 0.33 + 0.33 + 0.33 = 0.99999... That's just how floating point arithmetic works. As far as I know it's not possible to round the fractional part.
http://www.youtube.com/watch?v=PZRI1IfStY0
http://www.youtube.com/watch?v=PZRI1IfStY0