X-Git-Url: https://svn.cri.ensmp.fr/git/linpy.git/blobdiff_plain/f42e2bf07b9fb5b19b9ab243079fc69234ef4549..675e4575c2fe1315d30b845f9ab6168da30085e3:/linpy/polyhedra.py

diff --git a/linpy/polyhedra.py b/linpy/polyhedra.py
index 8426d32..9fdf6e7 100644
--- a/linpy/polyhedra.py
+++ b/linpy/polyhedra.py
@@ -173,6 +173,9 @@ class Polyhedron(Domain):
     def widen(self, other):
         """
         Compute the standard widening of two polyhedra, à la Halbwachs.
+
+        In its current implementation, this method is slow and should not be
+        used on large polyhedra.
         """
         if not isinstance(other, Polyhedron):
             raise ValueError('argument must be a Polyhedron instance')