\usepackage[charter]{mathdesign}
\usepackage[margin=2.5cm]{geometry}
\usepackage{xspace}
+\usepackage{xcolor}
\usepackage{multicol}
\usepackage{listings}
+\usepackage{showexpl} % examples
\usepackage{mflogo}
\usepackage[frenchb]{babel}
+
+\definecolor{hellgelb}{rgb}{1,1,0.85}
+\definecolor{colKeys}{rgb}{0,0,1}
+\definecolor{colIdentifier}{rgb}{0,0,0}
+\definecolor{colComments}{rgb}{1,0,0}
+\definecolor{colString}{rgb}{0,0.5,0}
+
+
+\lstset{%
+ language=metapost,%
+ float=hbp,%
+ basicstyle=\ttfamily\small, %
+ identifierstyle=\color{colIdentifier}, %
+ keywordstyle=\color{colKeys}, %
+ stringstyle=\color{colString}, %
+ commentstyle=\color{colComments}, %
+ columns=flexible, %
+ tabsize=4, %
+ frame=single, %
+ extendedchars=true, %
+ showspaces=false, %
+ showstringspaces=false, %
+ % numbers=left,
+ % numbersep=0.8em,
+ % numberstyle=\tiny, %
+ breaklines=true, %
+ breakautoindent=true,
+ captionpos=b,
+ xleftmargin=1em
+}
+\lstset{explpreset={pos=t,wide=false,rframe={},preset=\centering}}
+\lstdefinestyle{syntax}{backgroundcolor=\color{blue!15},numbers=none,xleftmargin=0pt,xrightmargin=0pt,
+ frame=single}
+\lstdefinestyle{code}{backgroundcolor=\color{red!15},%numbers=left,
+ xleftmargin=0pt,xrightmargin=0pt,
+ frame=single}
+
+
\newcommand\mpgdd{\texttt{mpgdd}\xspace}
\newcommand\fichier[1]{\texttt{#1}}
\newcommand\variable[1]{\texttt{#1}}
\paragraph{Le type \typeGDD{point}} Ce type correspond au point de
l'espace euclidien. Pour être plus clair voici la fonction principale
pour créer un tel objet :
-
+%
\begin{lstlisting}
vardef Point(expr a,b) =
gddT[incr gddO] = "point";
enddef;
\end{lstlisting}
-
+\LTXinputExample[graphic=../exemples/cercles/cercles1-1.pdf,pos=r]{../exemples/cercles/cercles1.mp}
\section{Fonctions générales}