[Numpy-discussion] Does float16 exist?
Travis E. Oliphant
Mon Jan 7 14:09:33 CST 2008
Darren Dale wrote:
> One of my collaborators would like to use 16bit float arrays. According to
> http://www.scipy.org/Tentative_NumPy_Tutorial, and references to float16 in
> numpy.core.numerictypes, it appears that this should be possible, but the
> following doesnt work:
No, it's only possible, if the C-implementation NumPy was compiled with
has 16-bits for its float scalar.
Only float, double, and long double are implemented. These translate to
various bit-widths on different platforms. numerictypes is overly
aggressive at guessing what they might translate to.
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