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diff --git a/src/Eigen/src/SparseCore/SparseTranspose.h b/src/Eigen/src/SparseCore/SparseTranspose.h
new file mode 100644
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+++ b/src/Eigen/src/SparseCore/SparseTranspose.h
@@ -0,0 +1,63 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra.
+//
+// Copyright (C) 2008-2009 Gael Guennebaud <gael.guennebaud@inria.fr>
+//
+// This Source Code Form is subject to the terms of the Mozilla
+// Public License v. 2.0. If a copy of the MPL was not distributed
+// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#ifndef EIGEN_SPARSETRANSPOSE_H
+#define EIGEN_SPARSETRANSPOSE_H
+
+namespace Eigen { 
+
+template<typename MatrixType> class TransposeImpl<MatrixType,Sparse>
+  : public SparseMatrixBase<Transpose<MatrixType> >
+{
+    typedef typename internal::remove_all<typename MatrixType::Nested>::type _MatrixTypeNested;
+  public:
+
+    EIGEN_SPARSE_PUBLIC_INTERFACE(Transpose<MatrixType> )
+
+    class InnerIterator;
+    class ReverseInnerIterator;
+
+    inline Index nonZeros() const { return derived().nestedExpression().nonZeros(); }
+};
+
+// NOTE: VC10 and VC11 trigger an ICE if don't put typename TransposeImpl<MatrixType,Sparse>:: in front of Index,
+// a typedef typename TransposeImpl<MatrixType,Sparse>::Index Index;
+// does not fix the issue.
+// An alternative is to define the nested class in the parent class itself.
+template<typename MatrixType> class TransposeImpl<MatrixType,Sparse>::InnerIterator
+  : public _MatrixTypeNested::InnerIterator
+{
+    typedef typename _MatrixTypeNested::InnerIterator Base;
+    typedef typename TransposeImpl::Index Index;
+  public:
+
+    EIGEN_STRONG_INLINE InnerIterator(const TransposeImpl& trans, typename TransposeImpl<MatrixType,Sparse>::Index outer)
+      : Base(trans.derived().nestedExpression(), outer)
+    {}
+    typename TransposeImpl<MatrixType,Sparse>::Index row() const { return Base::col(); }
+    typename TransposeImpl<MatrixType,Sparse>::Index col() const { return Base::row(); }
+};
+
+template<typename MatrixType> class TransposeImpl<MatrixType,Sparse>::ReverseInnerIterator
+  : public _MatrixTypeNested::ReverseInnerIterator
+{
+    typedef typename _MatrixTypeNested::ReverseInnerIterator Base;
+    typedef typename TransposeImpl::Index Index;
+  public:
+
+    EIGEN_STRONG_INLINE ReverseInnerIterator(const TransposeImpl& xpr, typename TransposeImpl<MatrixType,Sparse>::Index outer)
+      : Base(xpr.derived().nestedExpression(), outer)
+    {}
+    typename TransposeImpl<MatrixType,Sparse>::Index row() const { return Base::col(); }
+    typename TransposeImpl<MatrixType,Sparse>::Index col() const { return Base::row(); }
+};
+
+} // end namespace Eigen
+
+#endif // EIGEN_SPARSETRANSPOSE_H