From f88ca0ac79ad67124d1c61d258d243e9f66de22f Mon Sep 17 00:00:00 2001
From: Benoit Jacob <jacob.benoit.1@gmail.com>
Date: Wed, 26 Jan 2011 09:49:06 -0500
Subject: fix the eigen3 part of bug #159 - build issue with selfadjointview

---
 Eigen/src/Core/SelfAdjointView.h | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

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

diff --git a/Eigen/src/Core/SelfAdjointView.h b/Eigen/src/Core/SelfAdjointView.h
index 92d58b9f8..0e9872bf5 100644
--- a/Eigen/src/Core/SelfAdjointView.h
+++ b/Eigen/src/Core/SelfAdjointView.h
@@ -46,14 +46,14 @@ template<typename MatrixType, unsigned int UpLo>
 struct traits<SelfAdjointView<MatrixType, UpLo> > : traits<MatrixType>
 {
   typedef typename nested<MatrixType>::type MatrixTypeNested;
-  typedef typename remove_reference<MatrixTypeNested>::type _MatrixTypeNested;
+  typedef typename remove_all<MatrixTypeNested>::type MatrixTypeNestedCleaned;
   typedef MatrixType ExpressionType;
   typedef typename MatrixType::PlainObject DenseMatrixType;
   enum {
     Mode = UpLo | SelfAdjoint,
-    Flags =  _MatrixTypeNested::Flags & (HereditaryBits)
+    Flags =  MatrixTypeNestedCleaned::Flags & (HereditaryBits)
            & (~(PacketAccessBit | DirectAccessBit | LinearAccessBit)), // FIXME these flags should be preserved
-    CoeffReadCost = _MatrixTypeNested::CoeffReadCost
+    CoeffReadCost = MatrixTypeNestedCleaned::CoeffReadCost
   };
 };
 }
@@ -69,6 +69,8 @@ template<typename MatrixType, unsigned int UpLo> class SelfAdjointView
   public:
 
     typedef TriangularBase<SelfAdjointView> Base;
+    typedef typename internal::traits<SelfAdjointView>::MatrixTypeNested MatrixTypeNested;
+    typedef typename internal::traits<SelfAdjointView>::MatrixTypeNestedCleaned MatrixTypeNestedCleaned;
 
     /** \brief The type of coefficients in this matrix */
     typedef typename internal::traits<SelfAdjointView>::Scalar Scalar; 
@@ -107,10 +109,10 @@ template<typename MatrixType, unsigned int UpLo> class SelfAdjointView
     }
 
     /** \internal */
-    const MatrixType& _expression() const { return m_matrix; }
+    const MatrixTypeNestedCleaned& _expression() const { return m_matrix; }
 
-    const MatrixType& nestedExpression() const { return m_matrix; }
-    MatrixType& nestedExpression() { return const_cast<MatrixType&>(m_matrix); }
+    const MatrixTypeNestedCleaned& nestedExpression() const { return m_matrix; }
+    MatrixTypeNestedCleaned& nestedExpression() { return *const_cast<MatrixTypeNestedCleaned*>(&m_matrix); }
 
     /** Efficient self-adjoint matrix times vector/matrix product */
     template<typename OtherDerived>
@@ -197,7 +199,7 @@ template<typename MatrixType, unsigned int UpLo> class SelfAdjointView
     #endif
 
   protected:
-    const typename MatrixType::Nested m_matrix;
+    const MatrixTypeNested m_matrix;
 };
 
 
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