[Numpy-discussion] float128 / longdouble on PPC - is it broken?

Pauli Virtanen pav@iki...
Tue Oct 25 14:14:50 CDT 2011


25.10.2011 20:29, Matthew Brett kirjoitti:
[clip]
> In [7]: (res-1) / 2**32
> Out[7]: 8589934591.9999999998
>
> In [8]: np.float((res-1) / 2**32)
> Out[8]: 4294967296.0

Looks like a bug in the C library installed on the machine, then.

It's either in wontfix territory for us, or in the "cast to doubles 
before formatting" one. In the latter case, one would have to maintain a 
list of broken C libraries (ugh).

-- 
Pauli Virtanen



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