From 1b004d579469e83d0af607e9083c680c55025694 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Thu, 27 Sep 2012 09:22:10 +0200
Subject: [PATCH] fix SparseMatrix option bit flag in eval<> helper

---
 Eigen/src/SparseCore/SparseUtil.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Eigen/src/SparseCore/SparseUtil.h b/Eigen/src/SparseCore/SparseUtil.h
index 6062a086f..a686e08da 100644
--- a/Eigen/src/SparseCore/SparseUtil.h
+++ b/Eigen/src/SparseCore/SparseUtil.h
@@ -113,9 +113,10 @@ template<typename T,int Rows> struct sparse_eval<T,Rows,1> {
 
 template<typename T,int Rows,int Cols> struct sparse_eval {
     typedef typename traits<T>::Scalar _Scalar;
-    enum { _Flags = traits<T>::Flags };
+    typedef typename traits<T>::Index _Index;
+    enum { _Options = ((traits<T>::Flags&RowMajorBit)==RowMajorBit) ? RowMajor : ColMajor };
   public:
-    typedef SparseMatrix<_Scalar, _Flags> type;
+    typedef SparseMatrix<_Scalar, _Options, _Index> type;
 };
 
 template<typename T> struct sparse_eval<T,1,1> {