On Mon, Nov 24, 2008 at 9:38 PM, Charles R Harris <[EMAIL PROTECTED]
> wrote:
>
>
> On Mon, Nov 24, 2008 at 9:02 PM, David Cournapeau <[EMAIL PROTECTED]>wrote:
>
>> On Tue, Nov 25, 2008 at 12:41 PM, Charles R Harris
>> <[EMAIL PROTECTED]> 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?
>
Numpy gets it's byte order from the macro WORDS_BIGENDIAN defined by Python.
Try
[EMAIL PROTECTED] numpy.git]$ grep -r -n WORDS_BIGENDIAN
/usr/include/python2.5/*
/usr/include/python2.5/pyconfig-32.h:902:#define WORDS_BIGENDIAN 1
/usr/include/python2.5/pyconfig-32.h:905:/* #undef WORDS_BIGENDIAN */
or the OS X equivalent.
Chuck
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