[Numpy-discussion] New functions.
Wed Jun 1 11:11:06 CDT 2011
On 06/01/2011 11:01 AM, Robert Kern wrote:
> On Wed, Jun 1, 2011 at 10:44, Craig Yoshioka<email@example.com> wrote:
>> would anyone object to fixing the numpy mean and stdv functions, so that they always used a 64-bit value to track sums, or so that they used a running calculation. That way
>> would not equal 511.493408?
> Yes, I object. You can set the accumulator dtype explicitly if you
> need it: np.mean(arr, dtype=np.float64)
Sure but fails to address that the output dtype of mean in this case is
np.float64 which one would naively assume is also np.float64:
Thus, we have:
Tickets 465 and 518
Various threads as well such as:
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