[NTG-context] graphics

Alan Braslau braslau.list at comcast.net
Wed Dec 12 22:39:52 CET 2018

On Thu, 13 Dec 2018 10:03:40 +1300
Henri Menke <henrimenke at gmail.com> wrote:

> Sorry, my mistake, the Bessel functions are not a GCC extension but
> POSIX standard functions.
> http://pubs.opengroup.org/onlinepubs/9699919799/functions/j0.html
> Since TeX Live is always built on a POSIX platform (MSYS2 on Windows),
> you can expect j0 etc. to be available in LuaTeX.

That is true for the Bessel functions, but not for some other "-lmath"
functions (such as the erf), so they may depend on the system.


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