From 717b7954cec7b1004dbb329fd33443f73aac5c80 Mon Sep 17 00:00:00 2001
From: Deanna Hood <deanna.m.hood@gmail.com>
Date: Tue, 17 Mar 2015 02:11:57 +1000
Subject: [PATCH] Update cost of coeff-wise arg call

---
 Eigen/src/Core/functors/UnaryFunctors.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Eigen/src/Core/functors/UnaryFunctors.h b/Eigen/src/Core/functors/UnaryFunctors.h
index e0ceb1b2b..1745d8b55 100644
--- a/Eigen/src/Core/functors/UnaryFunctors.h
+++ b/Eigen/src/Core/functors/UnaryFunctors.h
@@ -139,7 +139,7 @@ template<typename Scalar>
 struct functor_traits<scalar_arg_op<Scalar> >
 {
   enum {
-    Cost = NumTraits<Scalar>::AddCost,
+    Cost = 5 * NumTraits<Scalar>::MulCost + NumTraits<Scalar>::AddCost,
     PacketAccess = packet_traits<Scalar>::HasArg
   };
 };