The NumPy Fortran-ordering quiz

Travis Oliphant oliphant.travis at ieee.org
Wed Oct 18 12:19:08 CDT 2006


Charles R Harris wrote:
>
>
> On 10/17/06, *Charles R Harris* <charlesr.harris at gmail.com 
> <mailto:charlesr.harris at gmail.com>> wrote:
>
>
>
>     On 10/17/06, *A. M. Archibald* < peridot.faceted at gmail.com
>     <mailto:peridot.faceted at gmail.com>> wrote:
>
>         On 17/10/06, Charles R Harris <charlesr.harris at gmail.com
>         <mailto:charlesr.harris at gmail.com>> wrote:
>         >
>         >
>         > On 10/17/06, Travis Oliphant < oliphant.travis at ieee.org
>         <mailto:oliphant.travis at ieee.org>> wrote:
>
>
> <snip>
>
>     Which doesn't seem to be the case here. I am beginning to wonder
>     if we really need fortran order, seems that a few well chosen
>     interface routines would fill the need and avoid much confusion.
>
>
> For instance, it would be nice if flatten took an order keyword:
>
> In [107]: array([[1,2,3],[4,5,6]], dtype=int8, order='F').flatten()
> Out[107]: array([1, 2, 3, 4, 5, 6], dtype=int8)

It does take an argument (just not a keyword argument).  The general 
rule I followed (probably inappropriately) was that single-argument 
methods didn't need keywords. 

so

a.flatten('F')  gives you a Fortran-order flattening.

-Travis


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