get_point can return a const Point&

git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/alpha_complex_create_complex@1606 636b058d-ea47-450e-bf9e-a15bfbe3eedb

Former-commit-id: 44cec97d381409fdc2a707300c2fe93c67428e09

1 files changed, 1 insertions, 1 deletions

diff --git a/src/Alpha_complex/include/gudhi/Alpha_complex.h b/src/Alpha_complex/include/gudhi/Alpha_complex.h
index b0c09b88..cda40021 100644
--- a/src/Alpha_complex/include/gudhi/Alpha_complex.h
+++ b/src/Alpha_complex/include/gudhi/Alpha_complex.h
@@ -168,7 +168,7 @@ class Alpha_complex {
    * @return The point found.
    * @exception std::out_of_range In case vertex is not found (cf. std::vector::at).
    */
-  Point_d get_point(std::size_t vertex) const {
+  const Point_d& get_point(std::size_t vertex) const {
     return vertex_handle_to_iterator_.at(vertex)->point();
   }