[Numpy-discussion] LapackError:non-native byte order

Pauli Virtanen pav@iki...
Mon Nov 8 12:34:20 CST 2010


Mon, 08 Nov 2010 19:31:31 +0100, Pauli Virtanen wrote:

> ma, 2010-11-08 kello 18:56 +0100, LittleBigBrain kirjoitti:
>> In my system '<' is the native byte-order, but unless I change the
>> byte-order label to '=', it won't work in linalg sub-module, but in
>> others works OK. I am not sure whether this is an expected behavior or
>> a bug?
>> >>> import sys
>> >>> sys.byteorder
>> 'little'
>> >>> a.dtype.byteorder
>> '<'
>> >>> b.dtype.byteorder
>> '<'
> 
> The error is here: it's not possible to create such dtypes via any Numpy
> methods -- the '<' (or '>') is always normalized to '='. Numpy and
> several other modules consequently assume this normalization.
> 
> Where do `a` and `b` come from?

Ok, `x.newbyteorder('<')` seems to do this. Now I'm unsure how things are 
supposed to work.

-- 
Pauli Virtanen



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