[SciPy-Dev] Accuracy of single-precision FFT
Sun Jun 27 05:43:22 CDT 2010
On Sat, Jun 26, 2010 at 3:39 AM, Charles R Harris <firstname.lastname@example.org
> On Fri, Jun 25, 2010 at 12:50 PM, Pauli Virtanen <email@example.com> wrote:
>> Fri, 25 Jun 2010 12:38:44 -0400, Anne Archibald wrote:
>> > It seems to me that the right short-term solution is to switch to double
>> > precision for difficult sizes (any non-power-of-two is probably fine)
>> > and add a warning to the docstring (in particular mentioning the
>> > horrible performance as well as the roundoff error, which can be an
>> > issue for doubles too). This we can do for 0.8.
>> Agreed. Done here:
>> Seems to work, I think it should go in to the 0.8.x branch ASAP.
>> That looks good, I agree that can go in. For trunk I opened a ticket:
> I'd also keep at least power of 5 also so that round decimal numbers work
Pauli's patch already kept 2, 3 and 5.
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