[yt-dev] single-precision instead of double precision

[Michael Zingale]

ok, great.  I'm happy to help test the fluid stuff.


On Wed, Apr 23, 2014 at 1:10 PM, Matthew Turk <matthewturk at gmail.com> wrote:

> Hi Mike,
>
> On Wed, Apr 23, 2014 at 12:52 PM, Michael Zingale
> <michael.zingale at stonybrook.edu> wrote:
> > Are there any plans to natively support single-precision datasets?
> > (sometimes we store 32-bit instead of 64-bit to save space).  If I
> access my
> > data and then create a covering grid, in the YTCoveringGridBase code,
> when
> > it makes the grid for the data, it hardcodes in "float64" -- ideally it
> > would keep the precision of the dataset all the way through.
>
> Yes, there are, with the exception of accumulators like sum, etc.  We
> also won't guarantee that unit conversions will not over/underflow,
> but that should be okay for your situation.  Today I started on the
> process of doing particles in native bits, and fluids will come a
> while after that.  Mostly it's a problem of getting the Cython
> routines to use "fused types."
>
> -Matt
>
> >
> > Mike
> >
> > --
> > Michael Zingale
> > Associate Professor
> >
> > Dept. of Physics & Astronomy * Stony Brook University * Stony Brook, NY
> > 11794-3800
> > phone:  631-632-8225
> > e-mail: Michael.Zingale at stonybrook.edu
> > web: http://www.astro.sunysb.edu/mzingale
> >
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-- 
Michael Zingale
Associate Professor

Dept. of Physics & Astronomy * Stony Brook University * Stony Brook, NY
11794-3800
*phone*:  631-632-8225
*e-mail*: Michael.Zingale at stonybrook.edu
*web*: http://www.astro.sunysb.edu/mzingale
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