[Numpy-discussion] failure building trunk with mingw

[David Cournapeau]

On Mon, Nov 23, 2009 at 12:14 AM,  <josef.pktd at gmail.com> wrote:
> On Sun, Nov 22, 2009 at 10:01 AM, David Cournapeau <cournape at gmail.com> wrote:
>> On Sun, Nov 22, 2009 at 11:45 PM, Charles R Harris
>> <charlesr.harris at gmail.com> wrote:
>>>
>>> Might be nice to print out the actual values of np.spacing and np.nextafter
>>> here.
>>>
>>
>> Yes, I should add some utilities to print those for this kind of test.
>> But in this case, I know the problem: mingw gcc use 80 bits long
>> double but it uses the MS runtime which considers double and long
>> double to be the same (8 bytes).
>>
>> I think the real fix is to force npy_longdouble to be double on mingw,
>> but I don't want to make that change now for 1.4.0.
>
> adding the failing type in the test to the failure message would also
> be helpful

Yes, you're right. I also used the nose facility for using generators
for complex corner cases, but with retrospect, it is not so useful,
because you don't get a name when you have a failure (or maybe I am
using it wrong).

David