Getting fractional part from a float without using string operations

[Tino Wildenhain]

srinivasan srinivas wrote:
> Yes. But it didn't give only the expected decimals.
> For ex:
>  >>> a = 1.23
>  >>> abs(int(a) -a)
> 0.22999999999999998
>  
> I would like to get the result '0.23' only.

well, thats what get stored internally - there
is no way around it if you are using floating
point numbers:

 >>> 0.23
0.23000000000000001

but str() handles the rounding correctly:

 >>> print 0.23
0.23

 >>> print abs(int(a) -a)
0.23

See also http://en.wikipedia.org/wiki/Floating_point
for the problems with FP figures.

Regards
Tino
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