%@AUTEUR:Guillaume Connan
prologues:=2;

verbatimtex
%&latex
\documentclass{article}
\usepackage{amsmath,amsfonts}
\begin{document}
etex

input courbes;
input geo;

color vert_e, turquoise, orange, vert_fonce, rose, vert_mer, bleu_ciel, or, rouge_v,bleu_m,bleu,bleu_f;
vert_e:=(0,0.790002,0.340007);
turquoise:=(0.250999,0.878399,0.815699);
orange:=(0.589999,0.269997,0.080004);
vert_fonce:=(0,1.4*0.392193,0);
rose:=(1.0, 0.752907, 0.796106);
bleu_ciel:=(1.2*0.529405,1.2*0.807794,1);%.2*0.921598);
or:=(1,0.843104,0);
rouge_v:=(0.829997,0.099994,0.119999);
bleu_m:=(0.7*0.529405,0.7*0.807794,0.7);%*0.921598);
bleu_f:=(0.211762,0.3231176,0.3686392);
bleu:=(0.529405,0.807794,1);

%    AXE DES REELS

beginfig(1);
  drawarrow (-5cm,0)--(5cm,0) withcolor bleu_m withpen pencircle scaled 1.5bp;
  draw (-3cm,-0.2cm)--(-3cm,0.2cm);
  draw (-1.414cm,-0.2cm)--(-1.414cm,0.2cm);
  draw (0cm,-0.2cm)--(0cm,0.2cm);
  draw (0.66666666cm,-0.2cm)--(0.66666666cm,0.2cm);
  draw (3.14cm,-0.2cm)--(3.14cm,0.2cm);
  
  label.bot(btex $3$ etex,(-3cm,-0.2cm));
  label.bot(btex $-\sqrt{2}$ etex,(-1.414cm,-0.2cm));
  label.bot(btex $0$ etex,(0cm,-0.2cm));
  label.bot(btex $\frac23$ etex,(0.66666666cm,-0.2cm));
  label.bot(btex $\pi$ etex,(3.14cm,-0.2cm));
  label.bot(btex $\mathbb{R}$ etex,(5cm,-0.2cm)) withcolor bleu_m withpen pencircle scaled 1.5bp;
endfig;
end