From 404aa963d980fcaea8daed899830378b9a6da506 Mon Sep 17 00:00:00 2001
From: Benoit Jacob <jacob.benoit.1@gmail.com>
Date: Wed, 16 Jun 2010 07:32:44 -0400
Subject: [PATCH] fix #138: const bool is (rightly) not considered a
 compile-time constant by ICC, use enum.

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

diff --git a/Eigen/src/Core/Visitor.h b/Eigen/src/Core/Visitor.h
index 9116b9512..d6efb0495 100644
--- a/Eigen/src/Core/Visitor.h
+++ b/Eigen/src/Core/Visitor.h
@@ -86,11 +86,11 @@ template<typename Derived>
 template<typename Visitor>
 void DenseBase<Derived>::visit(Visitor& visitor) const
 {
-  const bool unroll = SizeAtCompileTime != Dynamic
+  enum { unroll = SizeAtCompileTime != Dynamic
                    && CoeffReadCost != Dynamic
                    && (SizeAtCompileTime == 1 || ei_functor_traits<Visitor>::Cost != Dynamic)
                    && SizeAtCompileTime * CoeffReadCost + (SizeAtCompileTime-1) * ei_functor_traits<Visitor>::Cost
-                      <= EIGEN_UNROLLING_LIMIT;
+                      <= EIGEN_UNROLLING_LIMIT };
   return ei_visitor_impl<Visitor, Derived,
       unroll ? int(SizeAtCompileTime) : Dynamic
     >::run(derived(), visitor);