[SciPy-user] small error problem
oliphant at ee.byu.edu
Sun Oct 30 01:40:57 CDT 2005
Ryan Krauss wrote:
>Interesting. I was starting ipython with -p scipy.
>If I enter
>both before and after I augment the column of zeros (instead of
>exactly 0.0 before augmenting and -1.303556573795106e-08 after
>aygmenting if I don't restore numeric).
This sounds reasonable. An answer of 0.0 was just how it was being
printed (you'd have to look at the bit pattern to know for sure).
So, it definitely looks like some precision issue with different types
in the old alter numeric. As the approach is obsolete, that problem is
going to have to just sit there for a while.
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