From 2b15e001068f548b852d58472b9b29f1a7bf1a2c Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Mon, 19 Aug 2013 16:40:50 +0200
Subject: Make ArrayBase operator+=(scalar) and -=(scalar) use
 SelfCwiseBinaryOp optimization

---
 Eigen/src/Core/ArrayBase.h | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

(limited to 'Eigen/src/Core/ArrayBase.h')

diff --git a/Eigen/src/Core/ArrayBase.h b/Eigen/src/Core/ArrayBase.h
index 38852600d..b7c4a1c71 100644
--- a/Eigen/src/Core/ArrayBase.h
+++ b/Eigen/src/Core/ArrayBase.h
@@ -123,10 +123,8 @@ template<typename Derived> class ArrayBase
       return internal::assign_selector<Derived,Derived>::run(derived(), other.derived());
     }
 
-    Derived& operator+=(const Scalar& scalar)
-    { return *this = derived() + scalar; }
-    Derived& operator-=(const Scalar& scalar)
-    { return *this = derived() - scalar; }
+    Derived& operator+=(const Scalar& scalar);
+    Derived& operator-=(const Scalar& scalar);
 
     template<typename OtherDerived>
     Derived& operator+=(const ArrayBase<OtherDerived>& other);
-- 
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