Floating point problem

[Souvik Dutta]

Hmm understood.

Souvik flutter dev

On Sat, Apr 18, 2020, 7:36 PM Chris Angelico <rosuav at gmail.com> wrote:

> On Sun, Apr 19, 2020 at 12:03 AM Souvik Dutta <souvik.viksou at gmail.com>
> wrote:
> >
> > I literally tried it!!! And it did not stop because I did not get any 1.0
> > rather I got 0.99999999999 But why does this happen. This is a simple
> math
> > which according to normal human logic should give perfect numbers which
> are
> > not endless. Then why does a computer behave so differently?
> >
>
> If you add 0.333 and 0.333 and 0.333, do you get 1.0? No, you get
> 0.999. But if you add 1/3 and 1/3 and 1/3, you get 1. The computer has
> to round, same as you do - it doesn't have infinite precision. The
> truth is that the number 0.1, to a computer, is not actually one tenth
> - it's an approximation for one tenth, just as 0.333 is an
> approximation for one third.
>
> ChrisA
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