Python math is off by .000000000000045
Ethan Furman
ethan at stoneleaf.us
Tue Feb 28 18:56:34 CET 2012
Michael Torrie wrote:
> He's simply showing you the hex (binary) representation of the
> floating-point number's binary representation. As you can clearly see
> in the case of 1.1, there is no finite sequence that can store that.
> You end up with repeating numbers.
Thanks for the explanation.
> This should help you understand why you get errors
> doing simple things like x/y*y doesn't quite get you back to x.
I already understood that. I just didn't understand what point he was
trying to make since he gave no explanation.
~Ethan~
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