From 2bad3e78d9e23dec7e4ad31c4ad2bdc761b8f3b6 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Thu, 28 Jan 2016 12:12:06 +0100
Subject: bug #96, bug #1006: fix by value argument in result_of.

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

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

diff --git a/Eigen/src/Core/CwiseBinaryOp.h b/Eigen/src/Core/CwiseBinaryOp.h
index f94629e6d..39820fd7d 100644
--- a/Eigen/src/Core/CwiseBinaryOp.h
+++ b/Eigen/src/Core/CwiseBinaryOp.h
@@ -32,8 +32,8 @@ struct traits<CwiseBinaryOp<BinaryOp, Lhs, Rhs> >
   // we still want to handle the case when the result type is different.
   typedef typename result_of<
                      BinaryOp(
-                       typename Lhs::Scalar,
-                       typename Rhs::Scalar
+                       const typename Lhs::Scalar&,
+                       const typename Rhs::Scalar&
                      )
                    >::type Scalar;
   typedef typename cwise_promote_storage_type<typename traits<Lhs>::StorageKind,
-- 
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