1 files changed, 3 insertions, 1 deletions
diff --git a/unsupported/Eigen/src/NonLinearOptimization/rwupdt.h b/unsupported/Eigen/src/NonLinearOptimization/rwupdt.h
index ec97b707a..96263f8c0 100644
--- a/unsupported/Eigen/src/NonLinearOptimization/rwupdt.h
+++ b/unsupported/Eigen/src/NonLinearOptimization/rwupdt.h
@@ -1,6 +1,7 @@
+namespace internal {
 
 template <typename Scalar>
-void ei_rwupdt(
+void rwupdt(
         Matrix< Scalar, Dynamic, Dynamic >  &r,
         const Matrix< Scalar, Dynamic, 1>  &w,
         Matrix< Scalar, Dynamic, 1>  &b,
@@ -44,3 +45,4 @@ void ei_rwupdt(
     }
 }
 
+} // end namespace internal
+\ No newline at end of file