[Numpy-discussion] A faster median (Wirth's method)
Tue Nov 30 14:06:42 CST 2010
On Tue, Nov 30, 2010 at 11:58 AM, Matthew Brett <email@example.com> wrote:
> On Tue, Nov 30, 2010 at 11:35 AM, Keith Goodman <firstname.lastname@example.org> wrote:
>> On Tue, Nov 30, 2010 at 11:25 AM, John Salvatier
>> <email@example.com> wrote:
>>> I am very interested in this result. I have wanted to know how to do an
>> My first thought was to write the reducing function like this
>> cdef np.float64_t namean(np.ndarray[np.float64_t, ndim=1] a):
>> but cython doesn't allow np.ndarray in a cdef.
> Sorry for the ill-considered hasty reply, but do you mean that this:
> import numpy as np
> cimport numpy as cnp
> cdef cnp.float64_t namean(cnp.ndarray[cnp.float64_t, ndim=1] a):
> return np.nanmean(a) # just a placeholder
> is not allowed? It works for me. Is it a cython version thing?
> (I've got 0.13),
Oh, that's nice! I'm using 0.11.2. OK, time to upgrade.
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