first commit

CMakeLists.txt

+cmake_minimum_required(VERSION 3.10)
+
+
+add_subdirectory(src)

README.md

+# Exemple de projet CGAL
+
+## Compilation
+
+* se rendre dans le répertoire ```src```, et lancer la commande ```cgal_create_CMakeLists``` pour générer le CMakeLists.txt correspondant aux sources ```.cpp``` disponibles dans ce dossier
+* se rendre dans le répertoire ```build```, puis préparer la compilation avec ```cmake ..```
+* compiler avec la commande ```make```
+
+## Utilisation
+
+Le seul programme pour l'instant implémenté est un programme qui calcule le genre d'une surface sans bord à une seul composante connexe. On peut le tester avec la commande suivante, depuis le répertoire ```build```:
+
+```
+src/genre ../data/cube.off
+```
+
+Ce qui produit la sortie suivante:
+
+```
+Nombre de sommets: 8
+Nombre d'arêtes: 12
+Nombre de faces: 6
+En supposant que le maillage contienne une unique surface sans bord, alors son genre est de 0
+````
+
+## Ajout d'un nouveau programme
+
+Tous les fichiers au format c++ présents dans le répertoire ```src``` seront considérés comme des nouveaux programmes CGAL par la commande ```cgal_create_CMakeLists``` lancée depuis ```src```. Pensez à utiliser un sous-répertoire si vous voulez faire des ```include```.

build/README.md

+# build
+
+Dossier de compilation

data/cube.off

+OFF
+#  cube.off
+#  A cube
+
+8 6 12
+ 1.0   0.0   1.0
+ 0.0   1.0   1.0
+-1.0   0.0   1.0
+ 0.0  -1.0   1.0
+ 1.0   0.0  -1.0
+ 0.0   1.0  -1.0
+-1.0   0.0  -1.0
+ 0.0  -1.0  -1.0
+ 4  0 1 2 3  
+ 4  7 4 0 3  
+ 4  4 5 1 0  
+ 4  5 6 2 1  
+ 4  3 2 6 7  
+ 4  6 5 4 7

data/mushroom.off

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+3  218 219 205
+3  219 220 206
+3  220 221 207
+3  221 222 208
+3  222 223 209
+3  223 224 210
+3  224 225 211
+3  1 2 213
+3  2 3 214
+3  3 4 215
+3  4 5 216
+3  5 6 217
+3  6 7 218
+3  7 8 219
+3  8 9 220
+3  9 10 221
+3  10 11 222
+3  11 12 223
+3  12 13 224
+3  13 14 225
+
+
+# End of OFF #