Le 16 févr. 2011 à 10:37, Michael Welsh a écrit :

> On 16/02/2011, at 8:22 PM, David Arnold wrote:

>> All,

>>

>> Is Lua installed as part of Texlive Mactex?

> Yes.

>> If so, how to access it?

> luatex (or lualatex) on the commandline. Not sure how to get the engine into TeXShop though.

>>

Hello,

A minimal version is used by luatex and lualatex

If you work with lua outside TeX you can install Lua inside /usr/local/bin.

It's not a problem and it's easy

One sample with TexShop ( the main problem is to use a font; I would like to

use utopia and fourier but I don't know how to do this !

%!TEX TS-program = lualatex

\documentclass[12pt]{article}

\usepackage[utf8]{luainputenc}

\parindent = 0pt

\begin{document}

\newcommand{\euclide}[2]{%

\begin{center}

\begin{tabular}{|c|c|c|}

\hline

\directlua{a,b = #1,#2

if a < b then a,b = b,a end

r = a-math.floor(a/b)*b

tex.sprint(a .. "&" .. b .. "&" .. r .. [[\noexpand\\]])

while r > 0 do

a,b = b,r

r = a-math.floor(a/b)*b

tex.sprint(a .. "&" .. b .. "&" .. r .. [[\noexpand\\]])

end}

\hline

\end{tabular}

\end{center}}

\euclide{587}{389}

\end{document}

Best regards

Alain Matthes

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