Getting vertices when version < 0.13

diff --git a/pypol/domains.py b/pypol/domains.py
index 2fbd544..600049c 100644 (file)
--- a/pypol/domains.py
+++ b/pypol/domains.py
@@ -260,16 +260,18 @@ class Domain:
     _RE_COORDINATE = re.compile(r'\((?P<num>\-?\d+)\)(/(?P<den>\d+))?')
 
     def vertices(self):
+        #returning list of verticies
+        from .polyhedra import Polyhedron
         islbset = self._toislbasicset(self.equalities, self.inequalities, self.symbols)
         vertices = libisl.isl_basic_set_compute_vertices(islbset);
         vertices = islhelper.isl_vertices_vertices(vertices)
         points = []
         for vertex in vertices:
-            expr = libisl.isl_vertex_get_expr(vertex);
+            expr = libisl.isl_vertex_get_expr(vertex); 
             if islhelper.isl_version < '0.13':
-                string = islhelper.isl_set_to_str(expr)
-                print(string)
-                # to be continued...
+                #pass bset from expr to points to get verticies
+                exp = Polyhedron._fromislbasicset(expr, self.symbols)
+                points.append(exp.points())
             else:
                 # horrible hack, find a cleaner solution
                 string = islhelper.isl_multi_aff_to_str(expr)