[PD] Status of PD double precision

[Jonathan Wilkes]

> Though Pd 0.49 compiled as above shows those small and large numbers,
it can't show all significant decimals in the GUI. This of course
limits the usefulness of double precision and also complicates the
interpretation of other tests.

Hi Katja,
Have you taken a look at Purr Data? AFAICT the number precision is correctly 
displayed in the GUI for the double precision builds.
If you want to play around with it you can compile using the toplevel makefile 
with `make light`. This will give you a deb or tarball with which you can install 
the basic Purr Data (core, pddp, and some others). It's about a 5 minute process 
on my Chromebook.

One outstanding question that came up was wrt table sizes for sqrt~ when 
compiling with PDFLOATSIZE=64:
http://disis.music.vt.edu/pipermail/l2ork-dev/2018-June/001985.html
Atm the same table size is used for both floatsizes.
Best,
Jonathan
> Katja  
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