From d1a29d6319d6919e0c3d1c624ad45d8202be1942 Mon Sep 17 00:00:00 2001
From: Benoit Jacob <jacob.benoit.1@gmail.com>
Date: Thu, 3 Apr 2008 11:10:17 +0000
Subject: -new: recursive costs system, useful to determine automatically  when
 to evaluate arguments and when to meta-unroll. -use it in Product to
 determine when to eval args. not yet used  to determine when to unroll. for
 now, not used anywhere else but  that'll follow. -fix badness of my last
 commit

---
 doc/examples/class_CwiseUnaryOp.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'doc/examples/class_CwiseUnaryOp.cpp')

diff --git a/doc/examples/class_CwiseUnaryOp.cpp b/doc/examples/class_CwiseUnaryOp.cpp
index 042e051e9..ea27876eb 100644
--- a/doc/examples/class_CwiseUnaryOp.cpp
+++ b/doc/examples/class_CwiseUnaryOp.cpp
@@ -5,9 +5,10 @@ using namespace std;
 // define a custom template binary functor
 template<typename Scalar>
 struct CwiseClampOp EIGEN_EMPTY_STRUCT {
-    CwiseClampOp(const Scalar& inf, const Scalar& sup) : m_inf(inf), m_sup(sup) {}
-    Scalar operator()(const Scalar& x) const { return x<m_inf ? m_inf : (x>m_sup ? m_sup : x); }
-    Scalar m_inf, m_sup;
+  CwiseClampOp(const Scalar& inf, const Scalar& sup) : m_inf(inf), m_sup(sup) {}
+  const Scalar operator()(const Scalar& x) const { return x<m_inf ? m_inf : (x>m_sup ? m_sup : x); }
+  Scalar m_inf, m_sup;
+  enum { Cost = Eigen::ConditionalJumpCost + Eigen::NumTraits<Scalar>::AddCost };
 };
 
 int main(int, char**)
-- 
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