1 files changed, 5 insertions, 0 deletions
diff --git a/Eigen/src/Eigenvalues/SelfAdjointEigenSolver.h b/Eigen/src/Eigenvalues/SelfAdjointEigenSolver.h
index 8185f079f..e0cdde9ea 100644
--- a/Eigen/src/Eigenvalues/SelfAdjointEigenSolver.h
+++ b/Eigen/src/Eigenvalues/SelfAdjointEigenSolver.h
@@ -29,6 +29,8 @@
 #include "./EigenvaluesCommon.h"
 #include "./Tridiagonalization.h"
 
+namespace Eigen { 
+
 template<typename _MatrixType>
 class GeneralizedSelfAdjointEigenSolver;
 
@@ -795,6 +797,9 @@ static void tridiagonal_qr_step(RealScalar* diag, RealScalar* subdiag, Index sta
     }
   }
 }
+
 } // end namespace internal
 
+} // end namespace Eigen
+
 #endif // EIGEN_SELFADJOINTEIGENSOLVER_H