[Numpy-discussion] float128 / longdouble on PPC - is it broken?
Pauli Virtanen
pav at iki.fi
Tue Oct 25 15:14:50 EDT 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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