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From Yonik Seeley <yo...@lucidimagination.com>
Subject Re: Functions, floats and doubles
Date Fri, 13 Nov 2009 17:58:40 GMT
On Fri, Nov 13, 2009 at 12:52 PM, Grant Ingersoll <gsingers@apache.org> wrote:
> Implementing my first function (distance stuff) and notices that functions seem to have
a float bent to them.  Not even sure what would be involved, but there are cases for distance
that I could see wanting double precision.  Thoughts?


It's an issue in general.

But for something like gdist(point_a,point_b), the internal
calculations can be done in double precision and if the result is cast
to a float at the end, it should be good enough for most uses, right?

-Yonik
http://www.lucidimagination.com

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