[Numpy-discussion] NA masks in the next numpy release?

Charles R Harris charlesr.harris@gmail....
Fri Oct 28 18:30:06 CDT 2011


2011/10/28 Stéfan van der Walt <stefan@sun.ac.za>

> On Fri, Oct 28, 2011 at 4:19 PM, Charles R Harris
> <charlesr.harris@gmail.com> wrote:
> > Memory use is a known problem. One way to start addressing it might be to
> > implement a "bit" arraytype. It might even be possible to prototype that
> on
> > top of the existing types. Views make bit arrays a bit more interesting
> ;)
>
> Since 1/8 can be represented exactly in floating point, I guess it's
> technically possible to support non-integer strides?
>

I think the same effect could be obtained with fixed point integers, i.e.,
the last three bits are the fractional part.

Chuck
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