On Thu, 13 Dec 2018 09:02:05 +1300 Henri Menke <henrime...@gmail.com> wrote:
> On 13/12/18 8:56 AM, Alan Braslau wrote: > > On Wed, 12 Dec 2018 20:42:56 +0100 > > "Mikael P. Sundqvist" <mic...@gmail.com> wrote: > >> > >> Thanks, Alan! That looks very promising. I could not make it work, > >> though, and I guess that is because I use linux and do not know > >> what to change for what. I installed libcerf but I assume > >> something else is missing. In any case, this is one of the things > >> it would be nice to have, at least as a module. I have no idea on > >> how to realize that, though. > >> > >> /Mikael > > > > You likely also need to install libffi - I do not know what package > > this is on your flavor of linux - Luigi is the ffi specialist! > > FFI is integrated in LuaTeX >= 1.03 > > In you example you load libcerf but you are not using it. What you > are actually using are the Bessel function from the C Standard > library. GCC includes them as a GNU extension. > https://www.gnu.org/software/libc/manual/html_node/Special-Functions.html#index-j0 > Your example also works if you remove libcerf (at least for me on > Linux). I had stripped-down my example, for in fact I use the voigt and error functions from libcerf, and yes the Bessel functions from the standard C math library. One should note, by the way, that the C math library is more or less complete depending on the system, and not everyone uses gcc nor gnu... Alan ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : http://contextgarden.net ___________________________________________________________________________________
