On Thu, Dec 13, 2018 at 4:45 PM Alan Braslau <braslau.l...@comcast.net>
wrote:
> Of course, it is:
>
> double jn(int n,double x);
>
> and
>
> vardef jn(expr n, x) = scantokens(lua("mp.quoted( ffi.C.jn(" & decimal n &
> "," & decimal x & "))")) enddef ;
>
> Alan
>
> (shows that I have yet to use jn ;-)
>
I often use this as reference
source/texk/web2c/luatexdir/luaffi/test.lua
--
luigi
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