[Numpy-discussion] Numpy on Mac OS X python 2.6

David Cournapeau cournapeau@cslab.kecl.ntt.co...
Tue Nov 25 01:10:51 CST 2008


On Mon, 2008-11-24 at 21:38 -0700, Charles R Harris wrote:
> 
> 
> On Mon, Nov 24, 2008 at 9:02 PM, David Cournapeau <cournape@gmail.com>
> wrote:
>         On Tue, Nov 25, 2008 at 12:41 PM, Charles R Harris
>         <charlesr.harris@gmail.com> wrote:
>         >
>         
>         > 1) This problem is specific to 2.6 and 2.5 works.
>         
>         
>         Yes
>         
>         > 2) It's on Intel hardware?
>         
>         
>         Yes.
>         
>         Here is a minimal test which shows the problem:
>         
>         import numpy as np
>         assert np.dtype('<f4').isnative
> 
> So what does dtype(float32).descr and dtype(float32).byteorder show?

The expected: [('', '<f4')] and '='. I don't think the problem is with
the dtype itself (otherwise, almost all the tests would fail), but
rather in its description. Since I don't know much about dtype
internals, I don't really know where to look

David




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