move sparse solvers from unsupported/ to main Eigen/ and remove the "not stable yet" warning

1 files changed, 68 insertions, 0 deletions

diff --git a/Eigen/src/SparseCore/SparseTranspose.h b/Eigen/src/SparseCore/SparseTranspose.h
new file mode 100644
index 000000000..2aea2fa32
--- /dev/null
+++ b/Eigen/src/SparseCore/SparseTranspose.h
@@ -0,0 +1,68 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra.
+//
+// Copyright (C) 2008-2009 Gael Guennebaud <gael.guennebaud@inria.fr>
+//
+// Eigen is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 3 of the License, or (at your option) any later version.
+//
+// Alternatively, you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of
+// the License, or (at your option) any later version.
+//
+// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License and a copy of the GNU General Public License along with
+// Eigen. If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef EIGEN_SPARSETRANSPOSE_H
+#define EIGEN_SPARSETRANSPOSE_H
+
+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(); }
+};
+
+template<typename MatrixType> class TransposeImpl<MatrixType,Sparse>::InnerIterator
+  : public _MatrixTypeNested::InnerIterator
+{
+    typedef typename _MatrixTypeNested::InnerIterator Base;
+  public:
+
+    EIGEN_STRONG_INLINE InnerIterator(const TransposeImpl& trans, Index outer)
+      : Base(trans.derived().nestedExpression(), outer)
+    {}
+    inline Index row() const { return Base::col(); }
+    inline Index col() const { return Base::row(); }
+};
+
+template<typename MatrixType> class TransposeImpl<MatrixType,Sparse>::ReverseInnerIterator
+  : public _MatrixTypeNested::ReverseInnerIterator
+{
+    typedef typename _MatrixTypeNested::ReverseInnerIterator Base;
+  public:
+
+    EIGEN_STRONG_INLINE ReverseInnerIterator(const TransposeImpl& xpr, Index outer)
+      : Base(xpr.derived().nestedExpression(), outer)
+    {}
+    inline Index row() const { return Base::col(); }
+    inline Index col() const { return Base::row(); }
+};
+
+#endif // EIGEN_SPARSETRANSPOSE_H