From 842881cfb1b8ece6e41c58f0466ae979e514d001 Mon Sep 17 00:00:00 2001
From: Andy Somerville <andy.somerville@gmail.com>
Date: Wed, 15 Jun 2011 00:30:11 -0400
Subject: [PATCH] bug #298 - let normalize() return a reference to *this

---
 Eigen/src/Core/Dot.h        | 3 ++-
 Eigen/src/Core/MatrixBase.h | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/Eigen/src/Core/Dot.h b/Eigen/src/Core/Dot.h
index 6e83191c5..f4aa76690 100644
--- a/Eigen/src/Core/Dot.h
+++ b/Eigen/src/Core/Dot.h
@@ -159,9 +159,10 @@ MatrixBase<Derived>::normalized() const
   * \sa norm(), normalized()
   */
 template<typename Derived>
-inline void MatrixBase<Derived>::normalize()
+inline Derived& MatrixBase<Derived>::normalize()
 {
   *this /= norm();
+  return derived();
 }
 
 //---------- implementation of other norms ----------
diff --git a/Eigen/src/Core/MatrixBase.h b/Eigen/src/Core/MatrixBase.h
index e2d34d257..b75231057 100644
--- a/Eigen/src/Core/MatrixBase.h
+++ b/Eigen/src/Core/MatrixBase.h
@@ -218,7 +218,7 @@ template<typename Derived> class MatrixBase
     RealScalar blueNorm() const;
     RealScalar hypotNorm() const;
     const PlainObject normalized() const;
-    void normalize();
+    Derived& normalize();
 
     const AdjointReturnType adjoint() const;
     void adjointInPlace();