From 0b32c5bddae0be7db30013864f39443e48ce5d93 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Thu, 9 Dec 2010 19:39:15 +0100
Subject: [PATCH] fix compilation of sparse_basic for DynamicSparseMatrix

---
 Eigen/src/Sparse/DynamicSparseMatrix.h   |  7 +++++++
 Eigen/src/Sparse/SparseSelfAdjointView.h | 10 +++++++++-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/Eigen/src/Sparse/DynamicSparseMatrix.h b/Eigen/src/Sparse/DynamicSparseMatrix.h
index 49a78fd26..ec6c3be8f 100644
--- a/Eigen/src/Sparse/DynamicSparseMatrix.h
+++ b/Eigen/src/Sparse/DynamicSparseMatrix.h
@@ -74,6 +74,7 @@ class DynamicSparseMatrix
     // EIGEN_SPARSE_INHERIT_ASSIGNMENT_OPERATOR(DynamicSparseMatrix, -=)
     typedef MappedSparseMatrix<Scalar,Flags> Map;
     using Base::IsRowMajor;
+    using Base::operator=;
     enum {
       Options = _Options
     };
@@ -283,6 +284,12 @@ class DynamicSparseMatrix
     {
       return SparseMatrixBase<DynamicSparseMatrix>::operator=(other.derived());
     }
+    
+    template<typename OtherDerived>
+    EIGEN_STRONG_INLINE DynamicSparseMatrix& operator=(const ReturnByValue<OtherDerived>& func)
+    {
+      return Base::operator=(func);
+    }
 
     /** Destructor */
     inline ~DynamicSparseMatrix() {}
diff --git a/Eigen/src/Sparse/SparseSelfAdjointView.h b/Eigen/src/Sparse/SparseSelfAdjointView.h
index a6542d0ce..60136e9f7 100644
--- a/Eigen/src/Sparse/SparseSelfAdjointView.h
+++ b/Eigen/src/Sparse/SparseSelfAdjointView.h
@@ -122,6 +122,14 @@ template<typename MatrixType, unsigned int UpLo> class SparseSelfAdjointView
       internal::permute_symm_to_fullsymm<UpLo>(m_matrix, _dest);
     }
     
+    template<typename DestScalar> void evalTo(DynamicSparseMatrix<DestScalar>& _dest) const
+    {
+      // TODO directly evaluate into _dest;
+      SparseMatrix<DestScalar> tmp(_dest.rows(),_dest.cols());
+      internal::permute_symm_to_fullsymm<UpLo>(m_matrix, tmp);
+      _dest = tmp;
+    }
+    
     /** \returns an expression of P^-1 H P */
     SparseSymmetricPermutationProduct<_MatrixTypeNested,UpLo> twistedBy(const PermutationMatrix<Dynamic>& perm) const
     {
@@ -291,7 +299,7 @@ void permute_symm_to_fullsymm(const MatrixType& mat, SparseMatrix<typename Matri
   
   Dest& dest(_dest.derived());
   enum {
-    StorageOrderMatch = Dest::IsRowMajor == MatrixType::IsRowMajor
+    StorageOrderMatch = int(Dest::IsRowMajor) == int(MatrixType::IsRowMajor)
   };
   eigen_assert(perm==0);
   Index size = mat.rows();