62 files changed, 206 insertions, 1336 deletions

diff --git a/unsupported/Eigen/CholmodSupport b/Eigen/CholmodSupport
index 8a4a130c3..09d6b9da4 100644
--- a/unsupported/Eigen/CholmodSupport
+++ b/Eigen/CholmodSupport
@@ -1,7 +1,7 @@
 #ifndef EIGEN_CHOLMODSUPPORT_MODULE_H
 #define EIGEN_CHOLMODSUPPORT_MODULE_H
 
-#include "SparseExtra"
+#include "SparseCore"
 
 #include "../../Eigen/src/Core/util/DisableStupidWarnings.h"
 
@@ -11,8 +11,8 @@ extern "C" {
 
 namespace Eigen {
 
-/** \ingroup Unsupported_modules
-  * \defgroup CholmodSupport_Module Cholmod Support module
+/** \ingroup Sparse_modules
+  * \defgroup CholmodSupport_Module CholmodSupport module
   *
   *
   * \code
@@ -20,9 +20,10 @@ namespace Eigen {
   * \endcode
   */
 
-struct Cholmod {};
-#include "src/SparseExtra/CholmodSupportLegacy.h"
-#include "src/SparseExtra/CholmodSupport.h"
+#include "src/misc/Solve.h"
+#include "src/misc/SparseSolve.h"
+
+#include "src/CholmodSupport/CholmodSupport.h"
 
 
 } // namespace Eigen
diff --git a/Eigen/Sparse b/Eigen/Sparse
index a6177fbf5..b419ec7b0 100644
--- a/Eigen/Sparse
+++ b/Eigen/Sparse
@@ -1,69 +1,27 @@
 #ifndef EIGEN_SPARSE_MODULE_H
 #define EIGEN_SPARSE_MODULE_H
 
-#include "Core"
-
-#include "src/Core/util/DisableStupidWarnings.h"
-
-#include <vector>
-#include <map>
-#include <cstdlib>
-#include <cstring>
-#include <algorithm>
-
-#ifdef EIGEN2_SUPPORT
-#define EIGEN_YES_I_KNOW_SPARSE_MODULE_IS_NOT_STABLE_YET
-#endif
-
-#ifndef EIGEN_YES_I_KNOW_SPARSE_MODULE_IS_NOT_STABLE_YET
-#error The sparse module API is not stable yet. To use it anyway, please define the EIGEN_YES_I_KNOW_SPARSE_MODULE_IS_NOT_STABLE_YET preprocessor token.
-#endif
-
 namespace Eigen {
 
-/** \defgroup Sparse_Module Sparse module
+/** \defgroup Sparse_modules Sparse modules
   *
-  *
-  *
-  * See the \ref TutorialSparse "Sparse tutorial"
+  * Meta-module including all related modules:
+  * - SparseCore
+  * - OrderingMethods
+  * - SparseCholesky
+  * - IterativeLinearSolvers
   *
   * \code
   * #include <Eigen/Sparse>
   * \endcode
   */
 
-/** The type used to identify a general sparse storage. */
-struct Sparse {};
-
-#include "src/Sparse/SparseUtil.h"
-#include "src/Sparse/SparseMatrixBase.h"
-#include "src/Sparse/CompressedStorage.h"
-#include "src/Sparse/AmbiVector.h"
-#include "src/Sparse/SparseMatrix.h"
-#include "src/Sparse/MappedSparseMatrix.h"
-#include "src/Sparse/SparseVector.h"
-#include "src/Sparse/CoreIterators.h"
-#include "src/Sparse/SparseBlock.h"
-#include "src/Sparse/SparseTranspose.h"
-#include "src/Sparse/SparseCwiseUnaryOp.h"
-#include "src/Sparse/SparseCwiseBinaryOp.h"
-#include "src/Sparse/SparseDot.h"
-#include "src/Sparse/SparseAssign.h"
-#include "src/Sparse/SparseRedux.h"
-#include "src/Sparse/SparseFuzzy.h"
-#include "src/Sparse/ConservativeSparseSparseProduct.h"
-#include "src/Sparse/SparseSparseProductWithPruning.h"
-#include "src/Sparse/SparseProduct.h"
-#include "src/Sparse/SparseDenseProduct.h"
-#include "src/Sparse/SparseDiagonalProduct.h"
-#include "src/Sparse/SparseTriangularView.h"
-#include "src/Sparse/SparseSelfAdjointView.h"
-#include "src/Sparse/TriangularSolver.h"
-#include "src/Sparse/SparseView.h"
-
 } // namespace Eigen
 
-#include "src/Core/util/ReenableStupidWarnings.h"
+#include "SparseCore"
+#include "OrderingMethods"
+#include "SparseCholesky"
+#include "IterativeLinearSolvers"
 
 #endif // EIGEN_SPARSE_MODULE_H
 
diff --git a/Eigen/SparseCore b/Eigen/SparseCore
new file mode 100644
index 000000000..c4535ea3e
--- /dev/null
+++ b/Eigen/SparseCore
@@ -0,0 +1,64 @@
+#ifndef EIGEN_SPARSECORE_MODULE_H
+#define EIGEN_SPARSECORE_MODULE_H
+
+#include "Core"
+
+#include "src/Core/util/DisableStupidWarnings.h"
+
+#include <vector>
+#include <map>
+#include <cstdlib>
+#include <cstring>
+#include <algorithm>
+
+namespace Eigen {
+
+/** \defgroup Sparse_Module SparseCore module
+  *
+  * This module provides a sparse matrix representation, and basic associatd matrix manipulations
+  * and operations.
+  *
+  * See the \ref TutorialSparse "Sparse tutorial"
+  *
+  * \code
+  * #include <Eigen/SparseCore>
+  * \endcode
+  *
+  * This module depends on: Core.
+  */
+
+/** The type used to identify a general sparse storage. */
+struct Sparse {};
+
+#include "src/SparseCore/SparseUtil.h"
+#include "src/SparseCore/SparseMatrixBase.h"
+#include "src/SparseCore/CompressedStorage.h"
+#include "src/SparseCore/AmbiVector.h"
+#include "src/SparseCore/SparseMatrix.h"
+#include "src/SparseCore/MappedSparseMatrix.h"
+#include "src/SparseCore/SparseVector.h"
+#include "src/SparseCore/CoreIterators.h"
+#include "src/SparseCore/SparseBlock.h"
+#include "src/SparseCore/SparseTranspose.h"
+#include "src/SparseCore/SparseCwiseUnaryOp.h"
+#include "src/SparseCore/SparseCwiseBinaryOp.h"
+#include "src/SparseCore/SparseDot.h"
+#include "src/SparseCore/SparseAssign.h"
+#include "src/SparseCore/SparseRedux.h"
+#include "src/SparseCore/SparseFuzzy.h"
+#include "src/SparseCore/ConservativeSparseSparseProduct.h"
+#include "src/SparseCore/SparseSparseProductWithPruning.h"
+#include "src/SparseCore/SparseProduct.h"
+#include "src/SparseCore/SparseDenseProduct.h"
+#include "src/SparseCore/SparseDiagonalProduct.h"
+#include "src/SparseCore/SparseTriangularView.h"
+#include "src/SparseCore/SparseSelfAdjointView.h"
+#include "src/SparseCore/TriangularSolver.h"
+#include "src/SparseCore/SparseView.h"
+
+} // namespace Eigen
+
+#include "src/Core/util/ReenableStupidWarnings.h"
+
+#endif // EIGEN_SPARSECORE_MODULE_H
+
diff --git a/unsupported/Eigen/SuperLUSupport b/Eigen/SuperLUSupport
index 532cec8ce..291ecebf0 100644
--- a/unsupported/Eigen/SuperLUSupport
+++ b/Eigen/SuperLUSupport
@@ -1,7 +1,7 @@
 #ifndef EIGEN_SUPERLUSUPPORT_MODULE_H
 #define EIGEN_SUPERLUSUPPORT_MODULE_H
 
-#include "SparseExtra"
+#include "SparseCore"
 
 #include "../../Eigen/src/Core/util/DisableStupidWarnings.h"
 
@@ -30,8 +30,8 @@ namespace Eigen { struct SluMatrix; }
 
 namespace Eigen {
 
-/** \ingroup Unsupported_modules
-  * \defgroup SuperLUSupport_Module Super LU support
+/** \ingroup Sparse_modules
+  * \defgroup SuperLUSupport_Module SuperLUSupport module
   *
   * \warning When including this module, you have to use SUPERLU_EMPTY instead of EMPTY which is no longer defined because it is too polluting.
   *
@@ -40,10 +40,11 @@ namespace Eigen {
   * \endcode
   */
 
-#include "src/SparseExtra/SuperLUSupport.h"
+#include "src/misc/Solve.h"
+#include "src/misc/SparseSolve.h"
+
+#include "src/SuperLUSupport/SuperLUSupport.h"
 
-struct SuperLULegacy {};
-#include "src/SparseExtra/SuperLUSupportLegacy.h"
 
 } // namespace Eigen
 
diff --git a/unsupported/Eigen/UmfPackSupport b/Eigen/UmfPackSupport
index 401f260e2..a3850adb0 100644
--- a/unsupported/Eigen/UmfPackSupport
+++ b/Eigen/UmfPackSupport
@@ -1,7 +1,7 @@
 #ifndef EIGEN_UMFPACKSUPPORT_MODULE_H
 #define EIGEN_UMFPACKSUPPORT_MODULE_H
 
-#include "SparseExtra"
+#include "SparseCore"
 
 #include "../../Eigen/src/Core/util/DisableStupidWarnings.h"
 
@@ -11,8 +11,8 @@ extern "C" {
 
 namespace Eigen {
 
-/** \ingroup Unsupported_modules
-  * \defgroup UmfPackSupport_Module UmfPack support module
+/** \ingroup Sparse_modules
+  * \defgroup UmfPackSupport_Module UmfPackSupport module
   *
   *
   *
@@ -22,10 +22,10 @@ namespace Eigen {
   * \endcode
   */
 
-struct UmfPack {};
+#include "src/misc/Solve.h"
+#include "src/misc/SparseSolve.h"
 
-#include "src/SparseExtra/UmfPackSupport.h"
-#include "src/SparseExtra/UmfPackSupportLegacy.h"
+#include "src/UmfPackSupport/UmfPackSupport.h"
 
 } // namespace Eigen
 
diff --git a/Eigen/src/CholmodSupport/CMakeLists.txt b/Eigen/src/CholmodSupport/CMakeLists.txt
new file mode 100644
index 000000000..814dfa613
--- /dev/null
+++ b/Eigen/src/CholmodSupport/CMakeLists.txt
@@ -0,0 +1,6 @@
+FILE(GLOB Eigen_CholmodSupport_SRCS "*.h")
+
+INSTALL(FILES 
+  ${Eigen_CholmodSupport_SRCS}
+  DESTINATION ${INCLUDE_INSTALL_DIR}/Eigen/src/CholmodSupport COMPONENT Devel
+  )
diff --git a/unsupported/Eigen/src/SparseExtra/CholmodSupport.h b/Eigen/src/CholmodSupport/CholmodSupport.h
index 3e502c0aa..3e502c0aa 100644
--- a/unsupported/Eigen/src/SparseExtra/CholmodSupport.h
+++ b/Eigen/src/CholmodSupport/CholmodSupport.h
diff --git a/unsupported/Eigen/src/IterativeSolvers/BasicPreconditioners.h b/Eigen/src/IterativeLinearSolvers/BasicPreconditioners.h
index d9edd1461..d9edd1461 100644
--- a/unsupported/Eigen/src/IterativeSolvers/BasicPreconditioners.h
+++ b/Eigen/src/IterativeLinearSolvers/BasicPreconditioners.h
diff --git a/unsupported/Eigen/src/IterativeSolvers/BiCGSTAB.h b/Eigen/src/IterativeLinearSolvers/BiCGSTAB.h
index 798f85da5..798f85da5 100644
--- a/unsupported/Eigen/src/IterativeSolvers/BiCGSTAB.h
+++ b/Eigen/src/IterativeLinearSolvers/BiCGSTAB.h
diff --git a/Eigen/src/IterativeLinearSolvers/CMakeLists.txt b/Eigen/src/IterativeLinearSolvers/CMakeLists.txt
new file mode 100644
index 000000000..59ccc0072
--- /dev/null
+++ b/Eigen/src/IterativeLinearSolvers/CMakeLists.txt
@@ -0,0 +1,6 @@
+FILE(GLOB Eigen_IterativeLinearSolvers_SRCS "*.h")
+
+INSTALL(FILES
+  ${Eigen_IterativeLinearSolvers_SRCS}
+  DESTINATION ${INCLUDE_INSTALL_DIR}/Eigen/src/IterativeLinearSolvers COMPONENT Devel
+  )
diff --git a/unsupported/Eigen/src/IterativeSolvers/ConjugateGradient.h b/Eigen/src/IterativeLinearSolvers/ConjugateGradient.h
index ced3e310c..ced3e310c 100644
--- a/unsupported/Eigen/src/IterativeSolvers/ConjugateGradient.h
+++ b/Eigen/src/IterativeLinearSolvers/ConjugateGradient.h
diff --git a/unsupported/Eigen/src/IterativeSolvers/IterativeSolverBase.h b/Eigen/src/IterativeLinearSolvers/IterativeSolverBase.h
index 5e8bbd3e2..5e8bbd3e2 100644
--- a/unsupported/Eigen/src/IterativeSolvers/IterativeSolverBase.h
+++ b/Eigen/src/IterativeLinearSolvers/IterativeSolverBase.h
diff --git a/unsupported/Eigen/src/SparseExtra/Amd.h b/Eigen/src/OrderingMethods/Amd.h
index 3cf8bd1e1..3cf8bd1e1 100644
--- a/unsupported/Eigen/src/SparseExtra/Amd.h
+++ b/Eigen/src/OrderingMethods/Amd.h
diff --git a/Eigen/src/OrderingMethods/CMakeLists.txt b/Eigen/src/OrderingMethods/CMakeLists.txt
new file mode 100644
index 000000000..9f4bb2758
--- /dev/null
+++ b/Eigen/src/OrderingMethods/CMakeLists.txt
@@ -0,0 +1,6 @@
+FILE(GLOB Eigen_OrderingMethods_SRCS "*.h")
+
+INSTALL(FILES
+  ${Eigen_OrderingMethods_SRCS}
+  DESTINATION ${INCLUDE_INSTALL_DIR}/Eigen/src/OrderingMethods COMPONENT Devel
+  )
diff --git a/Eigen/src/Sparse/CMakeLists.txt b/Eigen/src/Sparse/CMakeLists.txt
deleted file mode 100644
index aa1468812..000000000
--- a/Eigen/src/Sparse/CMakeLists.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-FILE(GLOB Eigen_Sparse_SRCS "*.h")
-
-INSTALL(FILES 
-  ${Eigen_Sparse_SRCS}
-  DESTINATION ${INCLUDE_INSTALL_DIR}/Eigen/src/Sparse COMPONENT Devel
-  )
diff --git a/Eigen/src/SparseCholesky/CMakeLists.txt b/Eigen/src/SparseCholesky/CMakeLists.txt
new file mode 100644
index 000000000..375a59d7a
--- /dev/null
+++ b/Eigen/src/SparseCholesky/CMakeLists.txt
@@ -0,0 +1,6 @@
+FILE(GLOB Eigen_SparseCholesky_SRCS "*.h")
+
+INSTALL(FILES
+  ${Eigen_SparseCholesky_SRCS}
+  DESTINATION ${INCLUDE_INSTALL_DIR}/Eigen/src/SparseCholesky COMPONENT Devel
+  )
diff --git a/unsupported/Eigen/src/SparseExtra/SimplicialCholesky.h b/Eigen/src/SparseCholesky/SimplicialCholesky.h
index 2147af258..b9bed5d01 100644
--- a/unsupported/Eigen/src/SparseExtra/SimplicialCholesky.h
+++ b/Eigen/src/SparseCholesky/SimplicialCholesky.h
@@ -478,7 +478,7 @@ public:
 };
 
 /** \class SimplicialCholesky
-  * \deprecated
+  * \deprecated use SimplicialLDLt or class SimplicialLLt
   * \sa class SimplicialLDLt, class SimplicialLLt
   */
 template<typename _MatrixType, int _UpLo>
@@ -498,6 +498,7 @@ public:
     typedef internal::traits<SimplicialLLt<MatrixType,UpLo>  > LLtTraits;
   public:
     SimplicialCholesky() : Base(), m_LDLt(true) {}
+
     SimplicialCholesky(const MatrixType& matrix)
       : Base(), m_LDLt(true)
     {
diff --git a/Eigen/src/Sparse/AmbiVector.h b/Eigen/src/SparseCore/AmbiVector.h
index 22f3ff062..22f3ff062 100644
--- a/Eigen/src/Sparse/AmbiVector.h
+++ b/Eigen/src/SparseCore/AmbiVector.h
diff --git a/Eigen/src/SparseCore/CMakeLists.txt b/Eigen/src/SparseCore/CMakeLists.txt
new file mode 100644
index 000000000..d860452a6
--- /dev/null
+++ b/Eigen/src/SparseCore/CMakeLists.txt
@@ -0,0 +1,6 @@
+FILE(GLOB Eigen_SparseCore_SRCS "*.h")
+
+INSTALL(FILES 
+  ${Eigen_SparseCore_SRCS}
+  DESTINATION ${INCLUDE_INSTALL_DIR}/Eigen/src/SparseCore COMPONENT Devel
+  )
diff --git a/Eigen/src/Sparse/CompressedStorage.h b/Eigen/src/SparseCore/CompressedStorage.h
index 9d2fb7231..9d2fb7231 100644
--- a/Eigen/src/Sparse/CompressedStorage.h
+++ b/Eigen/src/SparseCore/CompressedStorage.h
diff --git a/Eigen/src/Sparse/ConservativeSparseSparseProduct.h b/Eigen/src/SparseCore/ConservativeSparseSparseProduct.h
index ac5303dd0..ac5303dd0 100644
--- a/Eigen/src/Sparse/ConservativeSparseSparseProduct.h
+++ b/Eigen/src/SparseCore/ConservativeSparseSparseProduct.h
diff --git a/Eigen/src/Sparse/CoreIterators.h b/Eigen/src/SparseCore/CoreIterators.h
index b4beaeee6..b4beaeee6 100644
--- a/Eigen/src/Sparse/CoreIterators.h
+++ b/Eigen/src/SparseCore/CoreIterators.h
diff --git a/Eigen/src/Sparse/MappedSparseMatrix.h b/Eigen/src/SparseCore/MappedSparseMatrix.h
index 31a431fb2..31a431fb2 100644
--- a/Eigen/src/Sparse/MappedSparseMatrix.h
+++ b/Eigen/src/SparseCore/MappedSparseMatrix.h
diff --git a/Eigen/src/Sparse/SparseAssign.h b/Eigen/src/SparseCore/SparseAssign.h
index e69de29bb..e69de29bb 100644
--- a/Eigen/src/Sparse/SparseAssign.h
+++ b/Eigen/src/SparseCore/SparseAssign.h
diff --git a/Eigen/src/Sparse/SparseBlock.h b/Eigen/src/SparseCore/SparseBlock.h
index 5054b9755..5054b9755 100644
--- a/Eigen/src/Sparse/SparseBlock.h
+++ b/Eigen/src/SparseCore/SparseBlock.h
diff --git a/Eigen/src/Sparse/SparseCwiseBinaryOp.h b/Eigen/src/SparseCore/SparseCwiseBinaryOp.h
index cde5bbc03..cde5bbc03 100644
--- a/Eigen/src/Sparse/SparseCwiseBinaryOp.h
+++ b/Eigen/src/SparseCore/SparseCwiseBinaryOp.h
diff --git a/Eigen/src/Sparse/SparseCwiseUnaryOp.h b/Eigen/src/SparseCore/SparseCwiseUnaryOp.h
index aa068835f..aa068835f 100644
--- a/Eigen/src/Sparse/SparseCwiseUnaryOp.h
+++ b/Eigen/src/SparseCore/SparseCwiseUnaryOp.h
diff --git a/Eigen/src/Sparse/SparseDenseProduct.h b/Eigen/src/SparseCore/SparseDenseProduct.h
index fff97ccd1..fff97ccd1 100644
--- a/Eigen/src/Sparse/SparseDenseProduct.h
+++ b/Eigen/src/SparseCore/SparseDenseProduct.h
diff --git a/Eigen/src/Sparse/SparseDiagonalProduct.h b/Eigen/src/SparseCore/SparseDiagonalProduct.h
index fb9a29c05..fb9a29c05 100644
--- a/Eigen/src/Sparse/SparseDiagonalProduct.h
+++ b/Eigen/src/SparseCore/SparseDiagonalProduct.h
diff --git a/Eigen/src/Sparse/SparseDot.h b/Eigen/src/SparseCore/SparseDot.h
index 1f10f71a4..1f10f71a4 100644
--- a/Eigen/src/Sparse/SparseDot.h
+++ b/Eigen/src/SparseCore/SparseDot.h
diff --git a/Eigen/src/Sparse/SparseFuzzy.h b/Eigen/src/SparseCore/SparseFuzzy.h
index f00b3d646..f00b3d646 100644
--- a/Eigen/src/Sparse/SparseFuzzy.h
+++ b/Eigen/src/SparseCore/SparseFuzzy.h
diff --git a/Eigen/src/Sparse/SparseMatrix.h b/Eigen/src/SparseCore/SparseMatrix.h
index 9f0cbc2b7..9f0cbc2b7 100644
--- a/Eigen/src/Sparse/SparseMatrix.h
+++ b/Eigen/src/SparseCore/SparseMatrix.h
diff --git a/Eigen/src/Sparse/SparseMatrixBase.h b/Eigen/src/SparseCore/SparseMatrixBase.h
index 182ea0c7e..182ea0c7e 100644
--- a/Eigen/src/Sparse/SparseMatrixBase.h
+++ b/Eigen/src/SparseCore/SparseMatrixBase.h
diff --git a/Eigen/src/Sparse/SparseProduct.h b/Eigen/src/SparseCore/SparseProduct.h
index f3b9b40b0..f3b9b40b0 100644
--- a/Eigen/src/Sparse/SparseProduct.h
+++ b/Eigen/src/SparseCore/SparseProduct.h
diff --git a/Eigen/src/Sparse/SparseRedux.h b/Eigen/src/SparseCore/SparseRedux.h
index afc49de7a..afc49de7a 100644
--- a/Eigen/src/Sparse/SparseRedux.h
+++ b/Eigen/src/SparseCore/SparseRedux.h
diff --git a/Eigen/src/Sparse/SparseSelfAdjointView.h b/Eigen/src/SparseCore/SparseSelfAdjointView.h
index a11d12aee..a11d12aee 100644
--- a/Eigen/src/Sparse/SparseSelfAdjointView.h
+++ b/Eigen/src/SparseCore/SparseSelfAdjointView.h
diff --git a/Eigen/src/Sparse/SparseSparseProductWithPruning.h b/Eigen/src/SparseCore/SparseSparseProductWithPruning.h
index 773d8110c..773d8110c 100644
--- a/Eigen/src/Sparse/SparseSparseProductWithPruning.h
+++ b/Eigen/src/SparseCore/SparseSparseProductWithPruning.h
diff --git a/Eigen/src/Sparse/SparseTranspose.h b/Eigen/src/SparseCore/SparseTranspose.h
index 2aea2fa32..2aea2fa32 100644
--- a/Eigen/src/Sparse/SparseTranspose.h
+++ b/Eigen/src/SparseCore/SparseTranspose.h
diff --git a/Eigen/src/Sparse/SparseTriangularView.h b/Eigen/src/SparseCore/SparseTriangularView.h
index dff5ae2c4..dff5ae2c4 100644
--- a/Eigen/src/Sparse/SparseTriangularView.h
+++ b/Eigen/src/SparseCore/SparseTriangularView.h
diff --git a/Eigen/src/Sparse/SparseUtil.h b/Eigen/src/SparseCore/SparseUtil.h
index db9ae98e7..db9ae98e7 100644
--- a/Eigen/src/Sparse/SparseUtil.h
+++ b/Eigen/src/SparseCore/SparseUtil.h
diff --git a/Eigen/src/Sparse/SparseVector.h b/Eigen/src/SparseCore/SparseVector.h
index ce4bb51a2..ce4bb51a2 100644
--- a/Eigen/src/Sparse/SparseVector.h
+++ b/Eigen/src/SparseCore/SparseVector.h
diff --git a/Eigen/src/Sparse/SparseView.h b/Eigen/src/SparseCore/SparseView.h
index 243065610..243065610 100644
--- a/Eigen/src/Sparse/SparseView.h
+++ b/Eigen/src/SparseCore/SparseView.h
diff --git a/Eigen/src/Sparse/TriangularSolver.h b/Eigen/src/SparseCore/TriangularSolver.h
index 6c66052bf..6c66052bf 100644
--- a/Eigen/src/Sparse/TriangularSolver.h
+++ b/Eigen/src/SparseCore/TriangularSolver.h
diff --git a/Eigen/src/SuperLUSupport/CMakeLists.txt b/Eigen/src/SuperLUSupport/CMakeLists.txt
new file mode 100644
index 000000000..b28ebe583
--- /dev/null
+++ b/Eigen/src/SuperLUSupport/CMakeLists.txt
@@ -0,0 +1,6 @@
+FILE(GLOB Eigen_SuperLUSupport_SRCS "*.h")
+
+INSTALL(FILES 
+  ${Eigen_SuperLUSupport_SRCS}
+  DESTINATION ${INCLUDE_INSTALL_DIR}/Eigen/src/SuperLUSupport COMPONENT Devel
+  )
diff --git a/unsupported/Eigen/src/SparseExtra/SuperLUSupport.h b/Eigen/src/SuperLUSupport/SuperLUSupport.h
index e485a9f50..e485a9f50 100644
--- a/unsupported/Eigen/src/SparseExtra/SuperLUSupport.h
+++ b/Eigen/src/SuperLUSupport/SuperLUSupport.h
diff --git a/Eigen/src/UmfPackSupport/CMakeLists.txt b/Eigen/src/UmfPackSupport/CMakeLists.txt
new file mode 100644
index 000000000..a57de0020
--- /dev/null
+++ b/Eigen/src/UmfPackSupport/CMakeLists.txt
@@ -0,0 +1,6 @@
+FILE(GLOB Eigen_UmfPackSupport_SRCS "*.h")
+
+INSTALL(FILES 
+  ${Eigen_UmfPackSupport_SRCS}
+  DESTINATION ${INCLUDE_INSTALL_DIR}/Eigen/src/UmfPackSupport COMPONENT Devel
+  )
diff --git a/unsupported/Eigen/src/SparseExtra/UmfPackSupport.h b/Eigen/src/UmfPackSupport/UmfPackSupport.h
index e41de8337..e41de8337 100644
--- a/unsupported/Eigen/src/SparseExtra/UmfPackSupport.h
+++ b/Eigen/src/UmfPackSupport/UmfPackSupport.h
diff --git a/unsupported/Eigen/src/SparseExtra/Solve.h b/Eigen/src/misc/SparseSolve.h
index 5b6c859ae..5b6c859ae 100644
--- a/unsupported/Eigen/src/SparseExtra/Solve.h
+++ b/Eigen/src/misc/SparseSolve.h
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 9b4c90f0c..7086f5251 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -12,6 +12,46 @@ foreach(i RANGE 1 999)
     )
 endforeach()
 
+# configure blas/lapack (use Eigen's ones)
+set(BLAS_FOUND TRUE)
+set(LAPACK_FOUND TRUE)
+set(BLAS_LIBRARIES eigen_blas)
+set(LAPACK_LIBRARIES eigen_lapack)
+
+set(SPARSE_LIBS " ")
+
+find_package(Cholmod)
+if(CHOLMOD_FOUND AND BLAS_FOUND AND LAPACK_FOUND)
+  add_definitions("-DEIGEN_CHOLMOD_SUPPORT")
+  include_directories(${CHOLMOD_INCLUDES})
+  set(SPARSE_LIBS ${SPARSE_LIBS} ${CHOLMOD_LIBRARIES} ${BLAS_LIBRARIES} ${LAPACK_LIBRARIES})
+  ei_add_property(EIGEN_TESTED_BACKENDS "Cholmod, ")
+else()
+  ei_add_property(EIGEN_MISSING_BACKENDS "Cholmod, ")
+endif()
+
+find_package(Umfpack)
+if(UMFPACK_FOUND AND BLAS_FOUND)
+  add_definitions("-DEIGEN_UMFPACK_SUPPORT")
+  include_directories(${UMFPACK_INCLUDES})
+  set(SPARSE_LIBS ${SPARSE_LIBS} ${UMFPACK_LIBRARIES} ${BLAS_LIBRARIES})
+  set(UMFPACK_ALL_LIBS ${UMFPACK_LIBRARIES} ${BLAS_LIBRARIES})
+  ei_add_property(EIGEN_TESTED_BACKENDS "UmfPack, ")
+else()
+  ei_add_property(EIGEN_MISSING_BACKENDS "UmfPack, ")
+endif()
+
+find_package(SuperLU)
+if(SUPERLU_FOUND AND BLAS_FOUND)
+  add_definitions("-DEIGEN_SUPERLU_SUPPORT")
+  include_directories(${SUPERLU_INCLUDES})
+  set(SPARSE_LIBS ${SPARSE_LIBS} ${SUPERLU_LIBRARIES} ${BLAS_LIBRARIES})
+  set(SUPERLU_ALL_LIBS ${SUPERLU_LIBRARIES} ${BLAS_LIBRARIES})
+  ei_add_property(EIGEN_TESTED_BACKENDS  "SuperLU, ")
+else()
+  ei_add_property(EIGEN_MISSING_BACKENDS  "SuperLU, ")
+endif()
+
 find_package(GSL)
 if(GSL_FOUND AND GSL_VERSION_MINOR LESS 9)
   set(GSL_FOUND "")
@@ -123,7 +163,7 @@ endif(QT4_FOUND)
 ei_add_test(sparse_vector)
 ei_add_test(sparse_basic)
 ei_add_test(sparse_product)
-ei_add_test(sparse_solvers "" "${SPARSE_LIBS}")
+ei_add_test(sparse_solvers)
 ei_add_test(umeyama)
 ei_add_test(householder)
 ei_add_test(swap)
@@ -140,6 +180,20 @@ ei_add_test(sizeoverflow)
 ei_add_test(prec_inverse_4x4)
 
 
+ei_add_test(simplicial_cholesky)
+ei_add_test(conjugate_gradient)
+ei_add_test(bicgstab)
+
+if(UMFPACK_FOUND)
+  ei_add_test(umfpack_support   "" "${UMFPACK_ALL_LIBS}")
+endif()
+
+if(SUPERLU_FOUND)
+  ei_add_test(superlu_support   "" "${SUPERLU_ALL_LIBS}")
+endif()
+
+
+
 string(TOLOWER "${CMAKE_CXX_COMPILER}" cmake_cxx_compiler_tolower)
 if(cmake_cxx_compiler_tolower MATCHES "qcc")
   set(CXX_IS_QCC "ON")
diff --git a/unsupported/test/bicgstab.cpp b/test/bicgstab.cpp
index 4acb54ade..222cd6cbd 100644
--- a/unsupported/test/bicgstab.cpp
+++ b/test/bicgstab.cpp
@@ -23,17 +23,19 @@
 // Eigen. If not, see <http://www.gnu.org/licenses/>.
 
 #include "sparse_solver.h"
-#include <Eigen/IterativeSolvers>
+#include <Eigen/IterativeLinearSolvers>
 
 template<typename T> void test_bicgstab_T()
 {
   BiCGSTAB<SparseMatrix<T>, DiagonalPreconditioner<T> > bicgstab_colmajor_diag;
   BiCGSTAB<SparseMatrix<T>, IdentityPreconditioner    > bicgstab_colmajor_I;
-  BiCGSTAB<SparseMatrix<T>, IncompleteLU<T> > bicgstab_colmajor_ilu;
+  //BiCGSTAB<SparseMatrix<T>, IncompleteLU<T> >           bicgstab_colmajor_ilu;
+  //BiCGSTAB<SparseMatrix<T>, SSORPreconditioner<T> >     bicgstab_colmajor_ssor;
 
   CALL_SUBTEST( check_sparse_square_solving(bicgstab_colmajor_diag)  );
   CALL_SUBTEST( check_sparse_square_solving(bicgstab_colmajor_I)     );
-  CALL_SUBTEST( check_sparse_square_solving(bicgstab_colmajor_ilu)     );
+  //CALL_SUBTEST( check_sparse_square_solving(bicgstab_colmajor_ilu)     );
+  //CALL_SUBTEST( check_sparse_square_solving(bicgstab_colmajor_ssor)     );
 }
 
 void test_bicgstab()
diff --git a/unsupported/test/conjugate_gradient.cpp b/test/conjugate_gradient.cpp
index 91a205a77..e76327bac 100644
--- a/unsupported/test/conjugate_gradient.cpp
+++ b/test/conjugate_gradient.cpp
@@ -23,7 +23,7 @@
 // Eigen. If not, see <http://www.gnu.org/licenses/>.
 
 #include "sparse_solver.h"
-#include <Eigen/IterativeSolvers>
+#include <Eigen/IterativeLinearSolvers>
 
 template<typename T> void test_conjugate_gradient_T()
 {
diff --git a/unsupported/test/simplicial_cholesky.cpp b/test/simplicial_cholesky.cpp
index b9a55ef36..b9a55ef36 100644
--- a/unsupported/test/simplicial_cholesky.cpp
+++ b/test/simplicial_cholesky.cpp
diff --git a/unsupported/test/sparse_solver.h b/test/sparse_solver.h
index d803ef539..51bb33a92 100644
--- a/unsupported/test/sparse_solver.h
+++ b/test/sparse_solver.h
@@ -23,7 +23,7 @@
 // Eigen. If not, see <http://www.gnu.org/licenses/>.
 
 #include "sparse.h"
-#include <Eigen/SparseExtra>
+#include <Eigen/SparseCore>
 
 template<typename Solver, typename Rhs, typename DenseMat, typename DenseRhs>
 void check_sparse_solving(Solver& solver, const typename Solver::MatrixType& A, const Rhs& b, const DenseMat& dA, const DenseRhs& db)
@@ -39,7 +39,7 @@ void check_sparse_solving(Solver& solver, const typename Solver::MatrixType& A,
   solver.compute(A);
   if (solver.info() != Success)
   {
-    std::cerr << "sparse SPD: factorization failed (check_sparse_solving)\n";
+    std::cerr << "sparse solver testing: factorization failed (check_sparse_solving)\n";
     exit(0);
     return;
   }
@@ -64,7 +64,7 @@ void check_sparse_determinant(Solver& solver, const typename Solver::MatrixType&
   solver.compute(A);
   if (solver.info() != Success)
   {
-    std::cerr << "sparse SPD: factorization failed (check_sparse_determinant)\n";
+    std::cerr << "sparse solver testing: factorization failed (check_sparse_determinant)\n";
     return;
   }
 
diff --git a/unsupported/test/superlu_support.cpp b/test/superlu_support.cpp
index e54d72c1c..e54d72c1c 100644
--- a/unsupported/test/superlu_support.cpp
+++ b/test/superlu_support.cpp
diff --git a/unsupported/test/umfpack_support.cpp b/test/umfpack_support.cpp
index 16f688302..16f688302 100644
--- a/unsupported/test/umfpack_support.cpp
+++ b/test/umfpack_support.cpp
diff --git a/unsupported/Eigen/CMakeLists.txt b/unsupported/Eigen/CMakeLists.txt
index 1618525d5..679c96736 100644
--- a/unsupported/Eigen/CMakeLists.txt
+++ b/unsupported/Eigen/CMakeLists.txt
@@ -1,5 +1,5 @@
 set(Eigen_HEADERS AdolcForward BVH IterativeSolvers MatrixFunctions MoreVectorization AutoDiff AlignedVector3 Polynomials
-                  CholmodSupport FFT NonLinearOptimization SparseExtra SuperLUSupport UmfPackSupport IterativeSolvers
+                  FFT NonLinearOptimization SparseExtra IterativeSolvers
                   NumericalDiff Skyline MPRealSupport OpenGLSupport KroneckerProduct
    )
 
diff --git a/unsupported/Eigen/IterativeSolvers b/unsupported/Eigen/IterativeSolvers
index 22f9ad100..6d7b02ad3 100644
--- a/unsupported/Eigen/IterativeSolvers
+++ b/unsupported/Eigen/IterativeSolvers
@@ -42,15 +42,12 @@ namespace Eigen {
 //@{
 
 #include "../../Eigen/src/misc/Solve.h"
-#include "src/SparseExtra/Solve.h"
+#include "../../Eigen/src/misc/SparseSolve.h"
 
-#include "src/IterativeSolvers/IterativeSolverBase.h"
 #include "src/IterativeSolvers/IterationController.h"
 #include "src/IterativeSolvers/ConstrainedConjGrad.h"
-#include "src/IterativeSolvers/BasicPreconditioners.h"
-#include "src/IterativeSolvers/ConjugateGradient.h"
-#include "src/IterativeSolvers/BiCGSTAB.h"
 #include "src/IterativeSolvers/IncompleteLU.h"
+#include "src/IterativeSolvers/SSORPreconditioner.h"
 
 //@}
 
diff --git a/unsupported/Eigen/SparseExtra b/unsupported/Eigen/SparseExtra
index 04f855a16..c207bc1dc 100644
--- a/unsupported/Eigen/SparseExtra
+++ b/unsupported/Eigen/SparseExtra
@@ -54,6 +54,7 @@ enum {
 };
 
 #include "../../Eigen/src/misc/Solve.h"
+#include "../../Eigen/src/misc/SparseSolve.h"
 
 #include "src/SparseExtra/DynamicSparseMatrix.h"
 #include "src/SparseExtra/BlockOfDynamicSparseMatrix.h"
@@ -61,10 +62,6 @@ enum {
 
 #include "src/SparseExtra/MarketIO.h"
 
-#include "src/SparseExtra/Solve.h"
-#include "src/SparseExtra/Amd.h"
-#include "src/SparseExtra/SimplicialCholesky.h"
-
 #include "src/SparseExtra/SparseLLT.h"
 #include "src/SparseExtra/SparseLDLTLegacy.h"
 #include "src/SparseExtra/SparseLU.h"
diff --git a/unsupported/Eigen/src/SparseExtra/CholmodSupportLegacy.h b/unsupported/Eigen/src/SparseExtra/CholmodSupportLegacy.h
deleted file mode 100644
index 33af6a176..000000000
--- a/unsupported/Eigen/src/SparseExtra/CholmodSupportLegacy.h
+++ /dev/null
@@ -1,520 +0,0 @@
-// 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_CHOLMODSUPPORT_LEGACY_H
-#define EIGEN_CHOLMODSUPPORT_LEGACY_H
-
-namespace internal {
-
-template<typename Scalar, typename CholmodType>
-void cholmod_configure_matrix_legacy(CholmodType& mat)
-{
-  if (internal::is_same<Scalar,float>::value)
-  {
-    mat.xtype = CHOLMOD_REAL;
-    mat.dtype = CHOLMOD_SINGLE;
-  }
-  else if (internal::is_same<Scalar,double>::value)
-  {
-    mat.xtype = CHOLMOD_REAL;
-    mat.dtype = CHOLMOD_DOUBLE;
-  }
-  else if (internal::is_same<Scalar,std::complex<float> >::value)
-  {
-    mat.xtype = CHOLMOD_COMPLEX;
-    mat.dtype = CHOLMOD_SINGLE;
-  }
-  else if (internal::is_same<Scalar,std::complex<double> >::value)
-  {
-    mat.xtype = CHOLMOD_COMPLEX;
-    mat.dtype = CHOLMOD_DOUBLE;
-  }
-  else
-  {
-    eigen_assert(false && "Scalar type not supported by CHOLMOD");
-  }
-}
-
-template<typename _MatrixType>
-cholmod_sparse cholmod_map_eigen_to_sparse(_MatrixType& mat)
-{
-  typedef typename _MatrixType::Scalar Scalar;
-  cholmod_sparse res;
-  res.nzmax   = mat.nonZeros();
-  res.nrow    = mat.rows();;
-  res.ncol    = mat.cols();
-  res.p       = mat._outerIndexPtr();
-  res.i       = mat._innerIndexPtr();
-  res.x       = mat._valuePtr();
-  res.xtype   = CHOLMOD_REAL;
-  res.itype   = CHOLMOD_INT;
-  res.sorted  = 1;
-  res.packed  = 1;
-  res.dtype   = 0;
-  res.stype   = -1;
-
-  internal::cholmod_configure_matrix_legacy<Scalar>(res);
-
-
-  if (_MatrixType::Flags & SelfAdjoint)
-  {
-    if (_MatrixType::Flags & Upper)
-      res.stype = 1;
-    else if (_MatrixType::Flags & Lower)
-      res.stype = -1;
-    else
-      res.stype = 0;
-  }
-  else
-    res.stype = -1; // by default we consider the lower part
-
-  return res;
-}
-
-template<typename Derived>
-cholmod_dense cholmod_map_eigen_to_dense(MatrixBase<Derived>& mat)
-{
-  EIGEN_STATIC_ASSERT((internal::traits<Derived>::Flags&RowMajorBit)==0,THIS_METHOD_IS_ONLY_FOR_COLUMN_MAJOR_MATRICES);
-  typedef typename Derived::Scalar Scalar;
-
-  cholmod_dense res;
-  res.nrow   = mat.rows();
-  res.ncol   = mat.cols();
-  res.nzmax  = res.nrow * res.ncol;
-  res.d      = Derived::IsVectorAtCompileTime ? mat.derived().size() : mat.derived().outerStride();
-  res.x      = mat.derived().data();
-  res.z      = 0;
-
-  internal::cholmod_configure_matrix_legacy<Scalar>(res);
-
-  return res;
-}
-
-template<typename Scalar, int Flags, typename Index>
-MappedSparseMatrix<Scalar,Flags,Index> map_cholmod_sparse_to_eigen(cholmod_sparse& cm)
-{
-  return MappedSparseMatrix<Scalar,Flags,Index>
-         (cm.nrow, cm.ncol, reinterpret_cast<Index*>(cm.p)[cm.ncol],
-          reinterpret_cast<Index*>(cm.p), reinterpret_cast<Index*>(cm.i),reinterpret_cast<Scalar*>(cm.x) );
-}
-
-} // namespace internal
-
-/** \deprecated use class SimplicialLDLT, or class SimplicialLLT, class ConjugateGradient */
-template<typename _MatrixType>
-class SparseLLT<_MatrixType, Cholmod> : public SparseLLT<_MatrixType>
-{
-  protected:
-    typedef SparseLLT<_MatrixType> Base;
-    typedef typename Base::Scalar Scalar;
-    typedef typename Base::RealScalar RealScalar;
-    typedef typename Base::CholMatrixType CholMatrixType;
-    using Base::MatrixLIsDirty;
-    using Base::SupernodalFactorIsDirty;
-    using Base::m_flags;
-    using Base::m_matrix;
-    using Base::m_status;
-
-  public:
-    typedef _MatrixType MatrixType;
-    typedef typename MatrixType::Index Index;
-
-    /** \deprecated the entire class is deprecated */
-    EIGEN_DEPRECATED SparseLLT(int flags = 0)
-      : Base(flags), m_cholmodFactor(0)
-    {
-      cholmod_start(&m_cholmod);
-    }
-
-    /** \deprecated the entire class is deprecated */
-    EIGEN_DEPRECATED SparseLLT(const MatrixType& matrix, int flags = 0)
-      : Base(flags), m_cholmodFactor(0)
-    {
-      cholmod_start(&m_cholmod);
-      compute(matrix);
-    }
-
-    ~SparseLLT()
-    {
-      if (m_cholmodFactor)
-        cholmod_free_factor(&m_cholmodFactor, &m_cholmod);
-      cholmod_finish(&m_cholmod);
-    }
-
-    inline const CholMatrixType& matrixL() const;
-
-    template<typename Derived>
-    bool solveInPlace(MatrixBase<Derived> &b) const;
-
-    template<typename Rhs>
-    inline const internal::solve_retval<SparseLLT<MatrixType, Cholmod>, Rhs>
-    solve(const MatrixBase<Rhs>& b) const
-    {
-      eigen_assert(true && "SparseLLT is not initialized.");
-      return internal::solve_retval<SparseLLT<MatrixType, Cholmod>, Rhs>(*this, b.derived());
-    }
-
-    void compute(const MatrixType& matrix);
-
-    inline Index cols() const { return m_matrix.cols(); }
-    inline Index rows() const { return m_matrix.rows(); }
-
-    inline const cholmod_factor* cholmodFactor() const
-    { return m_cholmodFactor; }
-
-    inline cholmod_common* cholmodCommon() const
-    { return &m_cholmod; }
-
-    bool succeeded() const;
-
-  protected:
-    mutable cholmod_common m_cholmod;
-    cholmod_factor* m_cholmodFactor;
-};
-
-
-namespace internal {
-
-template<typename _MatrixType, typename Rhs>
-  struct solve_retval<SparseLLT<_MatrixType, Cholmod>, Rhs>
-  : solve_retval_base<SparseLLT<_MatrixType, Cholmod>, Rhs>
-{
-  typedef SparseLLT<_MatrixType, Cholmod> SpLLTDecType;
-  EIGEN_MAKE_SOLVE_HELPERS(SpLLTDecType,Rhs)
-
-  template<typename Dest> void evalTo(Dest& dst) const
-  {
-    //Index size = dec().cholmodFactor()->n;
-    eigen_assert((Index)dec().cholmodFactor()->n==rhs().rows());
-    
-    cholmod_factor* cholmodFactor = const_cast<cholmod_factor*>(dec().cholmodFactor());
-    cholmod_common* cholmodCommon = const_cast<cholmod_common*>(dec().cholmodCommon());
-    // this uses Eigen's triangular sparse solver
-    // if (m_status & MatrixLIsDirty)
-    //   matrixL();
-    // Base::solveInPlace(b);
-    // as long as our own triangular sparse solver is not fully optimal,
-    // let's use CHOLMOD's one:
-    cholmod_dense cdb = internal::cholmod_map_eigen_to_dense(rhs().const_cast_derived());
-    cholmod_dense* x = cholmod_solve(CHOLMOD_A, cholmodFactor, &cdb, cholmodCommon);
-
-    dst = Matrix<typename Base::Scalar,Dynamic,1>::Map(reinterpret_cast<typename Base::Scalar*>(x->x), rhs().rows());  
-
-    cholmod_free_dense(&x, cholmodCommon);
-
-  }
-    
-};
-
-} // namespace internal
-
-
-
-template<typename _MatrixType>
-void SparseLLT<_MatrixType,Cholmod>::compute(const _MatrixType& a)
-{
-  if (m_cholmodFactor)
-  {
-    cholmod_free_factor(&m_cholmodFactor, &m_cholmod);
-    m_cholmodFactor = 0;
-  }
-
-  cholmod_sparse A = internal::cholmod_map_eigen_to_sparse(const_cast<_MatrixType&>(a));
-//   m_cholmod.supernodal = CHOLMOD_AUTO;
-  // TODO
-//   if (m_flags&IncompleteFactorization)
-//   {
-//     m_cholmod.nmethods = 1;
-//     m_cholmod.method[0].ordering = CHOLMOD_NATURAL;
-//     m_cholmod.postorder = 0;
-//   }
-//   else
-//   {
-//     m_cholmod.nmethods = 1;
-//     m_cholmod.method[0].ordering = CHOLMOD_NATURAL;
-//     m_cholmod.postorder = 0;
-//   }
-//   m_cholmod.final_ll = 1;
-  m_cholmodFactor = cholmod_analyze(&A, &m_cholmod);
-  cholmod_factorize(&A, m_cholmodFactor, &m_cholmod);
-
-  this->m_status = (this->m_status & ~Base::SupernodalFactorIsDirty) | Base::MatrixLIsDirty;
-}
-
-
-// TODO
-template<typename _MatrixType>
-bool SparseLLT<_MatrixType,Cholmod>::succeeded() const
-{ return true; }
-
-
-
-template<typename _MatrixType>
-inline const typename SparseLLT<_MatrixType,Cholmod>::CholMatrixType&
-SparseLLT<_MatrixType,Cholmod>::matrixL() const
-{
-  if (this->m_status & Base::MatrixLIsDirty)
-  {
-    eigen_assert(!(this->m_status & Base::SupernodalFactorIsDirty));
-
-    cholmod_sparse* cmRes = cholmod_factor_to_sparse(m_cholmodFactor, &m_cholmod);
-    const_cast<typename Base::CholMatrixType&>(this->m_matrix) = 
-      internal::map_cholmod_sparse_to_eigen<Scalar,ColMajor,Index>(*cmRes);
-    free(cmRes);
-
-    this->m_status = (this->m_status & ~Base::MatrixLIsDirty);
-  }
-  return this->m_matrix;
-}
-
-
-
-
-template<typename _MatrixType>
-template<typename Derived>
-bool SparseLLT<_MatrixType,Cholmod>::solveInPlace(MatrixBase<Derived> &b) const
-{
-  //Index size = m_cholmodFactor->n;
-  eigen_assert((Index)m_cholmodFactor->n==b.rows());
-
-  // this uses Eigen's triangular sparse solver
-  //   if (m_status & MatrixLIsDirty)
-  //     matrixL();
-  //   Base::solveInPlace(b);
-  // as long as our own triangular sparse solver is not fully optimal,
-  // let's use CHOLMOD's one:
-  cholmod_dense cdb = internal::cholmod_map_eigen_to_dense(b);
-
-  cholmod_dense* x = cholmod_solve(CHOLMOD_A, m_cholmodFactor, &cdb, &m_cholmod);
-  eigen_assert(x && "Eigen: cholmod_solve failed.");
-
-  b = Matrix<typename Base::Scalar,Dynamic,1>::Map(reinterpret_cast<typename Base::Scalar*>(x->x),b.rows());
-  cholmod_free_dense(&x, &m_cholmod);
-  return true;
-}
-
-
-
-
-
-
-
-
-
-
-
-template<typename _MatrixType>
-class SparseLDLT<_MatrixType,Cholmod> : public SparseLDLT<_MatrixType>
-{
-  protected:
-    typedef SparseLDLT<_MatrixType> Base;
-    typedef typename Base::Scalar Scalar;
-    typedef typename Base::RealScalar RealScalar;
-    using Base::MatrixLIsDirty;
-    using Base::SupernodalFactorIsDirty;
-    using Base::m_flags;
-    using Base::m_matrix;
-    using Base::m_status;
-
-  public:
-    typedef _MatrixType MatrixType;
-    typedef typename MatrixType::Index Index;
-
-    SparseLDLT(int flags = 0)
-      : Base(flags), m_cholmodFactor(0)
-    {
-      cholmod_start(&m_cholmod);
-    }
-
-    SparseLDLT(const _MatrixType& matrix, int flags = 0)
-      : Base(flags), m_cholmodFactor(0)
-    {
-      cholmod_start(&m_cholmod);
-      compute(matrix);
-    }
-
-    ~SparseLDLT()
-    {
-      if (m_cholmodFactor)
-        cholmod_free_factor(&m_cholmodFactor, &m_cholmod);
-      cholmod_finish(&m_cholmod);
-    }
-
-    inline const typename Base::CholMatrixType& matrixL(void) const;
-
-    template<typename Derived>
-    void solveInPlace(MatrixBase<Derived> &b) const;
-
-    template<typename Rhs>
-    inline const internal::solve_retval<SparseLDLT<MatrixType, Cholmod>, Rhs>
-    solve(const MatrixBase<Rhs>& b) const
-    {
-      eigen_assert(true && "SparseLDLT is not initialized.");
-      return internal::solve_retval<SparseLDLT<MatrixType, Cholmod>, Rhs>(*this, b.derived());
-    }
-
-    void compute(const _MatrixType& matrix);
-
-    inline Index cols() const { return m_matrix.cols(); }
-    inline Index rows() const { return m_matrix.rows(); }
-
-    inline const cholmod_factor* cholmodFactor() const
-    { return m_cholmodFactor; }
-
-    inline cholmod_common* cholmodCommon() const
-    { return &m_cholmod; }
-
-    bool succeeded() const;
-
-  protected:
-    mutable cholmod_common m_cholmod;
-    cholmod_factor* m_cholmodFactor;
-};
-
-
-
-namespace internal {
-
-template<typename _MatrixType, typename Rhs>
-  struct solve_retval<SparseLDLT<_MatrixType, Cholmod>, Rhs>
-  : solve_retval_base<SparseLDLT<_MatrixType, Cholmod>, Rhs>
-{
-  typedef SparseLDLT<_MatrixType, Cholmod> SpLDLTDecType;
-  EIGEN_MAKE_SOLVE_HELPERS(SpLDLTDecType,Rhs)
-
-  template<typename Dest> void evalTo(Dest& dst) const
-  {
-    //Index size = dec().cholmodFactor()->n;
-    eigen_assert((Index)dec().cholmodFactor()->n==rhs().rows());
-    
-    cholmod_factor* cholmodFactor = const_cast<cholmod_factor*>(dec().cholmodFactor());
-    cholmod_common* cholmodCommon = const_cast<cholmod_common*>(dec().cholmodCommon());
-    // this uses Eigen's triangular sparse solver
-    // if (m_status & MatrixLIsDirty)
-    //   matrixL();
-    // Base::solveInPlace(b);
-    // as long as our own triangular sparse solver is not fully optimal,
-    // let's use CHOLMOD's one:
-    cholmod_dense cdb = internal::cholmod_map_eigen_to_dense(rhs().const_cast_derived());
-    cholmod_dense* x = cholmod_solve(CHOLMOD_LDLt, cholmodFactor, &cdb, cholmodCommon);
-
-    dst = Matrix<typename Base::Scalar,Dynamic,1>::Map(reinterpret_cast<typename Base::Scalar*>(x->x), rhs().rows());  
-    cholmod_free_dense(&x, cholmodCommon);
-
-  }
-    
-};
-
-
-} // namespace internal
-
-template<typename _MatrixType>
-void SparseLDLT<_MatrixType,Cholmod>::compute(const _MatrixType& a)
-{
-  if (m_cholmodFactor)
-  {
-    cholmod_free_factor(&m_cholmodFactor, &m_cholmod);
-    m_cholmodFactor = 0;
-  }
-
-  cholmod_sparse A = internal::cholmod_map_eigen_to_sparse(const_cast<_MatrixType&>(a));
- 
-  //m_cholmod.supernodal = CHOLMOD_AUTO;
-  m_cholmod.supernodal = CHOLMOD_SIMPLICIAL;
-  //m_cholmod.supernodal = CHOLMOD_SUPERNODAL;
-  // TODO
-  if (this->m_flags & IncompleteFactorization)
-  {
-    m_cholmod.nmethods = 1;
-    //m_cholmod.method[0].ordering = CHOLMOD_NATURAL;
-    m_cholmod.method[0].ordering = CHOLMOD_COLAMD;
-    m_cholmod.postorder = 1;
-  }
-  else
-  {
-    m_cholmod.nmethods = 1;
-    m_cholmod.method[0].ordering = CHOLMOD_NATURAL;
-    m_cholmod.postorder = 0;
-  }
-  m_cholmod.final_ll = 0;
-  m_cholmodFactor = cholmod_analyze(&A, &m_cholmod);
-  cholmod_factorize(&A, m_cholmodFactor, &m_cholmod);
-  
-  this->m_status = (this->m_status & ~Base::SupernodalFactorIsDirty) | Base::MatrixLIsDirty;
-}
-
-
-// TODO
-template<typename _MatrixType>
-bool SparseLDLT<_MatrixType,Cholmod>::succeeded() const
-{ return true; }
-
-
-template<typename _MatrixType>
-inline const typename SparseLDLT<_MatrixType>::CholMatrixType&
-SparseLDLT<_MatrixType,Cholmod>::matrixL() const
-{
-  if (this->m_status & Base::MatrixLIsDirty)
-  {
-    eigen_assert(!(this->m_status & Base::SupernodalFactorIsDirty));
-
-    cholmod_sparse* cmRes = cholmod_factor_to_sparse(m_cholmodFactor, &m_cholmod);
-    const_cast<typename Base::CholMatrixType&>(this->m_matrix) = MappedSparseMatrix<Scalar>(*cmRes);
-    free(cmRes);
-
-    this->m_status = (this->m_status & ~Base::MatrixLIsDirty);
-  }
-  return this->m_matrix;
-}
-
-
-
-
-
-
-template<typename _MatrixType>
-template<typename Derived>
-void SparseLDLT<_MatrixType,Cholmod>::solveInPlace(MatrixBase<Derived> &b) const
-{
-  //Index size = m_cholmodFactor->n;
-  eigen_assert((Index)m_cholmodFactor->n == b.rows());
-
-  // this uses Eigen's triangular sparse solver
-  //   if (m_status & MatrixLIsDirty)
-  //     matrixL();
-  //   Base::solveInPlace(b);
-  // as long as our own triangular sparse solver is not fully optimal,
-  // let's use CHOLMOD's one:
-  cholmod_dense cdb = internal::cholmod_map_eigen_to_dense(b);
-  cholmod_dense* x = cholmod_solve(CHOLMOD_A, m_cholmodFactor, &cdb, &m_cholmod);
-  b = Matrix<typename Base::Scalar,Dynamic,1>::Map(reinterpret_cast<typename Base::Scalar*>(x->x),b.rows());
-  cholmod_free_dense(&x, &m_cholmod);
-}
-
-
-
-
-
-
-#endif // EIGEN_CHOLMODSUPPORT_LEGACY_H
diff --git a/unsupported/Eigen/src/SparseExtra/SuperLUSupportLegacy.h b/unsupported/Eigen/src/SparseExtra/SuperLUSupportLegacy.h
deleted file mode 100644
index e85d8d36e..000000000
--- a/unsupported/Eigen/src/SparseExtra/SuperLUSupportLegacy.h
+++ /dev/null
@@ -1,407 +0,0 @@
-// 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_SUPERLUSUPPORT_LEGACY_H
-#define EIGEN_SUPERLUSUPPORT_LEGACY_H
-
-/** \deprecated use class BiCGSTAB, class SuperLU, or class UmfPackLU */
-template<typename MatrixType>
-class SparseLU<MatrixType,SuperLULegacy> : public SparseLU<MatrixType>
-{
-  protected:
-    typedef SparseLU<MatrixType> Base;
-    typedef typename Base::Scalar Scalar;
-    typedef typename Base::RealScalar RealScalar;
-    typedef Matrix<Scalar,Dynamic,1> Vector;
-    typedef Matrix<int, 1, MatrixType::ColsAtCompileTime> IntRowVectorType;
-    typedef Matrix<int, MatrixType::RowsAtCompileTime, 1> IntColVectorType;
-    typedef SparseMatrix<Scalar,Lower|UnitDiag> LMatrixType;
-    typedef SparseMatrix<Scalar,Upper> UMatrixType;
-    using Base::m_flags;
-    using Base::m_status;
-
-  public:
-
-    /** \deprecated the entire class is deprecated */
-  EIGEN_DEPRECATED SparseLU(int flags = NaturalOrdering)
-      : Base(flags)
-    {
-    }
-
-    /** \deprecated the entire class is deprecated */
-    EIGEN_DEPRECATED SparseLU(const MatrixType& matrix, int flags = NaturalOrdering)
-      : Base(flags)
-    {
-      compute(matrix);
-    }
-
-    ~SparseLU()
-    {
-      Destroy_SuperNode_Matrix(&m_sluL);
-      Destroy_CompCol_Matrix(&m_sluU);
-    }
-
-    inline const LMatrixType& matrixL() const
-    {
-      if (m_extractedDataAreDirty) extractData();
-      return m_l;
-    }
-
-    inline const UMatrixType& matrixU() const
-    {
-      if (m_extractedDataAreDirty) extractData();
-      return m_u;
-    }
-
-    inline const IntColVectorType& permutationP() const
-    {
-      if (m_extractedDataAreDirty) extractData();
-      return m_p;
-    }
-
-    inline const IntRowVectorType& permutationQ() const
-    {
-      if (m_extractedDataAreDirty) extractData();
-      return m_q;
-    }
-
-    Scalar determinant() const;
-
-    template<typename BDerived, typename XDerived>
-    bool solve(const MatrixBase<BDerived> &b, MatrixBase<XDerived>* x, const int transposed = SvNoTrans) const;
-
-    void compute(const MatrixType& matrix);
-
-  protected:
-
-    void extractData() const;
-
-  protected:
-    // cached data to reduce reallocation, etc.
-    mutable LMatrixType m_l;
-    mutable UMatrixType m_u;
-    mutable IntColVectorType m_p;
-    mutable IntRowVectorType m_q;
-
-    mutable SparseMatrix<Scalar> m_matrix;
-    mutable SluMatrix m_sluA;
-    mutable SuperMatrix m_sluL, m_sluU;
-    mutable SluMatrix m_sluB, m_sluX;
-    mutable SuperLUStat_t m_sluStat;
-    mutable superlu_options_t m_sluOptions;
-    mutable std::vector<int> m_sluEtree;
-    mutable std::vector<RealScalar> m_sluRscale, m_sluCscale;
-    mutable std::vector<RealScalar> m_sluFerr, m_sluBerr;
-    mutable char m_sluEqued;
-    mutable bool m_extractedDataAreDirty;
-};
-
-template<typename MatrixType>
-void SparseLU<MatrixType,SuperLULegacy>::compute(const MatrixType& a)
-{
-  const int size = a.rows();
-  m_matrix = a;
-
-  set_default_options(&m_sluOptions);
-  m_sluOptions.ColPerm = NATURAL;
-  m_sluOptions.PrintStat = NO;
-  m_sluOptions.ConditionNumber = NO;
-  m_sluOptions.Trans = NOTRANS;
-  // m_sluOptions.Equil = NO;
-
-  switch (Base::orderingMethod())
-  {
-      case NaturalOrdering          : m_sluOptions.ColPerm = NATURAL; break;
-      case MinimumDegree_AT_PLUS_A  : m_sluOptions.ColPerm = MMD_AT_PLUS_A; break;
-      case MinimumDegree_ATA        : m_sluOptions.ColPerm = MMD_ATA; break;
-      case ColApproxMinimumDegree   : m_sluOptions.ColPerm = COLAMD; break;
-      default:
-        //std::cerr << "Eigen: ordering method \"" << Base::orderingMethod() << "\" not supported by the SuperLU backend\n";
-        m_sluOptions.ColPerm = NATURAL;
-  };
-
-  m_sluA = internal::asSluMatrix(m_matrix);
-  memset(&m_sluL,0,sizeof m_sluL);
-  memset(&m_sluU,0,sizeof m_sluU);
-  m_sluEqued = 'N';
-  int info = 0;
-
-  m_p.resize(size);
-  m_q.resize(size);
-  m_sluRscale.resize(size);
-  m_sluCscale.resize(size);
-  m_sluEtree.resize(size);
-
-  RealScalar recip_pivot_gross, rcond;
-  RealScalar ferr, berr;
-
-  // set empty B and X
-  m_sluB.setStorageType(SLU_DN);
-  m_sluB.setScalarType<Scalar>();
-  m_sluB.Mtype = SLU_GE;
-  m_sluB.storage.values = 0;
-  m_sluB.nrow = m_sluB.ncol = 0;
-  m_sluB.storage.lda = size;
-  m_sluX = m_sluB;
-
-  StatInit(&m_sluStat);
-  if (m_flags&IncompleteFactorization)
-  {
-    #ifdef EIGEN_SUPERLU_HAS_ILU
-    ilu_set_default_options(&m_sluOptions);
-
-    // no attempt to preserve column sum
-    m_sluOptions.ILU_MILU = SILU;
-
-    // only basic ILU(k) support -- no direct control over memory consumption
-    // better to use ILU_DropRule = DROP_BASIC | DROP_AREA
-    // and set ILU_FillFactor to max memory growth
-    m_sluOptions.ILU_DropRule = DROP_BASIC;
-    m_sluOptions.ILU_DropTol = Base::m_precision;
-
-    SuperLU_gsisx(&m_sluOptions, &m_sluA, m_q.data(), m_p.data(), &m_sluEtree[0],
-      &m_sluEqued, &m_sluRscale[0], &m_sluCscale[0],
-      &m_sluL, &m_sluU,
-      NULL, 0,
-      &m_sluB, &m_sluX,
-      &recip_pivot_gross, &rcond,
-      &m_sluStat, &info, Scalar());
-    #else
-    //std::cerr << "Incomplete factorization is only available in SuperLU v4\n";
-    Base::m_succeeded = false;
-    return;
-    #endif
-  }
-  else
-  {
-    SuperLU_gssvx(&m_sluOptions, &m_sluA, m_q.data(), m_p.data(), &m_sluEtree[0],
-      &m_sluEqued, &m_sluRscale[0], &m_sluCscale[0],
-      &m_sluL, &m_sluU,
-      NULL, 0,
-      &m_sluB, &m_sluX,
-      &recip_pivot_gross, &rcond,
-      &ferr, &berr,
-      &m_sluStat, &info, Scalar());
-  }
-  StatFree(&m_sluStat);
-
-  m_extractedDataAreDirty = true;
-
-  // FIXME how to better check for errors ???
-  Base::m_succeeded = (info == 0);
-}
-
-template<typename MatrixType>
-template<typename BDerived,typename XDerived>
-bool SparseLU<MatrixType,SuperLULegacy>::solve(const MatrixBase<BDerived> &b,
-                        MatrixBase<XDerived> *x, const int transposed) const
-{
-  const int size = m_matrix.rows();
-  const int rhsCols = b.cols();
-  eigen_assert(size==b.rows());
-
-  switch (transposed) {
-      case SvNoTrans    :  m_sluOptions.Trans = NOTRANS; break;
-      case SvTranspose  :  m_sluOptions.Trans = TRANS;   break;
-      case SvAdjoint    :  m_sluOptions.Trans = CONJ;    break;
-      default:
-        //std::cerr << "Eigen: transposition  option \"" << transposed << "\" not supported by the SuperLU backend\n";
-        m_sluOptions.Trans = NOTRANS;
-  }
-
-  m_sluOptions.Fact = FACTORED;
-  m_sluOptions.IterRefine = NOREFINE;
-
-  m_sluFerr.resize(rhsCols);
-  m_sluBerr.resize(rhsCols);
-  m_sluB = SluMatrix::Map(b.const_cast_derived());
-  m_sluX = SluMatrix::Map(x->derived());
-  
-  typename BDerived::PlainObject b_cpy;
-  if(m_sluEqued!='N')
-  {
-    b_cpy = b;
-    m_sluB = SluMatrix::Map(b_cpy.const_cast_derived());  
-  }
-
-  StatInit(&m_sluStat);
-  int info = 0;
-  RealScalar recip_pivot_gross, rcond;
-
-  if (m_flags&IncompleteFactorization)
-  {
-    #ifdef EIGEN_SUPERLU_HAS_ILU
-    SuperLU_gsisx(&m_sluOptions, &m_sluA, m_q.data(), m_p.data(), &m_sluEtree[0],
-      &m_sluEqued, &m_sluRscale[0], &m_sluCscale[0],
-      &m_sluL, &m_sluU,
-      NULL, 0,
-      &m_sluB, &m_sluX,
-      &recip_pivot_gross, &rcond,
-      &m_sluStat, &info, Scalar());
-    #else
-    //std::cerr << "Incomplete factorization is only available in SuperLU v4\n";
-    return false;
-    #endif
-  }
-  else
-  {
-    SuperLU_gssvx(
-      &m_sluOptions, &m_sluA,
-      m_q.data(), m_p.data(),
-      &m_sluEtree[0], &m_sluEqued,
-      &m_sluRscale[0], &m_sluCscale[0],
-      &m_sluL, &m_sluU,
-      NULL, 0,
-      &m_sluB, &m_sluX,
-      &recip_pivot_gross, &rcond,
-      &m_sluFerr[0], &m_sluBerr[0],
-      &m_sluStat, &info, Scalar());
-  }
-  StatFree(&m_sluStat);
-
-  // reset to previous state
-  m_sluOptions.Trans = NOTRANS;
-  return info==0;
-}
-
-//
-// the code of this extractData() function has been adapted from the SuperLU's Matlab support code,
-//
-//  Copyright (c) 1994 by Xerox Corporation.  All rights reserved.
-//
-//  THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY
-//  EXPRESSED OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
-//
-template<typename MatrixType>
-void SparseLU<MatrixType,SuperLULegacy>::extractData() const
-{
-  if (m_extractedDataAreDirty)
-  {
-    int         upper;
-    int         fsupc, istart, nsupr;
-    int         lastl = 0, lastu = 0;
-    SCformat    *Lstore = static_cast<SCformat*>(m_sluL.Store);
-    NCformat    *Ustore = static_cast<NCformat*>(m_sluU.Store);
-    Scalar      *SNptr;
-
-    const int size = m_matrix.rows();
-    m_l.resize(size,size);
-    m_l.resizeNonZeros(Lstore->nnz);
-    m_u.resize(size,size);
-    m_u.resizeNonZeros(Ustore->nnz);
-
-    int* Lcol = m_l._outerIndexPtr();
-    int* Lrow = m_l._innerIndexPtr();
-    Scalar* Lval = m_l._valuePtr();
-
-    int* Ucol = m_u._outerIndexPtr();
-    int* Urow = m_u._innerIndexPtr();
-    Scalar* Uval = m_u._valuePtr();
-
-    Ucol[0] = 0;
-    Ucol[0] = 0;
-
-    /* for each supernode */
-    for (int k = 0; k <= Lstore->nsuper; ++k)
-    {
-      fsupc   = L_FST_SUPC(k);
-      istart  = L_SUB_START(fsupc);
-      nsupr   = L_SUB_START(fsupc+1) - istart;
-      upper   = 1;
-
-      /* for each column in the supernode */
-      for (int j = fsupc; j < L_FST_SUPC(k+1); ++j)
-      {
-        SNptr = &((Scalar*)Lstore->nzval)[L_NZ_START(j)];
-
-        /* Extract U */
-        for (int i = U_NZ_START(j); i < U_NZ_START(j+1); ++i)
-        {
-          Uval[lastu] = ((Scalar*)Ustore->nzval)[i];
-          /* Matlab doesn't like explicit zero. */
-          if (Uval[lastu] != 0.0)
-            Urow[lastu++] = U_SUB(i);
-        }
-        for (int i = 0; i < upper; ++i)
-        {
-          /* upper triangle in the supernode */
-          Uval[lastu] = SNptr[i];
-          /* Matlab doesn't like explicit zero. */
-          if (Uval[lastu] != 0.0)
-            Urow[lastu++] = L_SUB(istart+i);
-        }
-        Ucol[j+1] = lastu;
-
-        /* Extract L */
-        Lval[lastl] = 1.0; /* unit diagonal */
-        Lrow[lastl++] = L_SUB(istart + upper - 1);
-        for (int i = upper; i < nsupr; ++i)
-        {
-          Lval[lastl] = SNptr[i];
-          /* Matlab doesn't like explicit zero. */
-          if (Lval[lastl] != 0.0)
-            Lrow[lastl++] = L_SUB(istart+i);
-        }
-        Lcol[j+1] = lastl;
-
-        ++upper;
-      } /* for j ... */
-
-    } /* for k ... */
-
-    // squeeze the matrices :
-    m_l.resizeNonZeros(lastl);
-    m_u.resizeNonZeros(lastu);
-
-    m_extractedDataAreDirty = false;
-  }
-}
-
-template<typename MatrixType>
-typename SparseLU<MatrixType,SuperLULegacy>::Scalar SparseLU<MatrixType,SuperLULegacy>::determinant() const
-{
-  assert((!NumTraits<Scalar>::IsComplex) && "This function is not implemented for complex yet");
-  if (m_extractedDataAreDirty)
-    extractData();
-
-  // TODO this code could be moved to the default/base backend
-  // FIXME perhaps we have to take into account the scale factors m_sluRscale and m_sluCscale ???
-  Scalar det = Scalar(1);
-  for (int j=0; j<m_u.cols(); ++j)
-  {
-    if (m_u._outerIndexPtr()[j+1]-m_u._outerIndexPtr()[j] > 0)
-    {
-      int lastId = m_u._outerIndexPtr()[j+1]-1;
-      eigen_assert(m_u._innerIndexPtr()[lastId]<=j);
-      if (m_u._innerIndexPtr()[lastId]==j)
-      {
-        det *= m_u._valuePtr()[lastId];
-      }
-    }
-//       std::cout << m_sluRscale[j] << " " << m_sluCscale[j] << "   \n";
-  }
-  return det;
-}
-
-#endif // EIGEN_SUPERLUSUPPORT_LEGACY_H
diff --git a/unsupported/Eigen/src/SparseExtra/UmfPackSupportLegacy.h b/unsupported/Eigen/src/SparseExtra/UmfPackSupportLegacy.h
deleted file mode 100644
index 3d30e1ed1..000000000
--- a/unsupported/Eigen/src/SparseExtra/UmfPackSupportLegacy.h
+++ /dev/null
@@ -1,257 +0,0 @@
-// 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_UMFPACKSUPPORT_LEGACY_H
-#define EIGEN_UMFPACKSUPPORT_LEGACY_H
-
-/** \deprecated use class BiCGSTAB, class SuperLU, or class UmfPackLU */
-template<typename _MatrixType>
-class SparseLU<_MatrixType,UmfPack> : public SparseLU<_MatrixType>
-{
-  protected:
-    typedef SparseLU<_MatrixType> Base;
-    typedef typename Base::Scalar Scalar;
-    typedef typename Base::RealScalar RealScalar;
-    typedef Matrix<Scalar,Dynamic,1> Vector;
-    typedef Matrix<int, 1, _MatrixType::ColsAtCompileTime> IntRowVectorType;
-    typedef Matrix<int, _MatrixType::RowsAtCompileTime, 1> IntColVectorType;
-    typedef SparseMatrix<Scalar,Lower|UnitDiag> LMatrixType;
-    typedef SparseMatrix<Scalar,Upper> UMatrixType;
-    using Base::m_flags;
-    using Base::m_status;
-
-  public:
-    typedef _MatrixType MatrixType;
-    typedef typename MatrixType::Index Index;
-
-    /** \deprecated the entire class is deprecated */
-    EIGEN_DEPRECATED SparseLU(int flags = NaturalOrdering)
-      : Base(flags), m_numeric(0)
-    {
-    }
-
-    /** \deprecated the entire class is deprecated */
-    EIGEN_DEPRECATED SparseLU(const MatrixType& matrix, int flags = NaturalOrdering)
-      : Base(flags), m_numeric(0)
-    {
-      compute(matrix);
-    }
-
-    ~SparseLU()
-    {
-      if (m_numeric)
-        umfpack_free_numeric(&m_numeric,Scalar());
-    }
-
-    inline const LMatrixType& matrixL() const
-    {
-      if (m_extractedDataAreDirty) extractData();
-      return m_l;
-    }
-
-    inline const UMatrixType& matrixU() const
-    {
-      if (m_extractedDataAreDirty) extractData();
-      return m_u;
-    }
-
-    inline const IntColVectorType& permutationP() const
-    {
-      if (m_extractedDataAreDirty) extractData();
-      return m_p;
-    }
-
-    inline const IntRowVectorType& permutationQ() const
-    {
-      if (m_extractedDataAreDirty) extractData();
-      return m_q;
-    }
-
-    Scalar determinant() const;
-
-    template<typename BDerived, typename XDerived>
-    bool solve(const MatrixBase<BDerived> &b, MatrixBase<XDerived>* x) const;
-
-    template<typename Rhs>
-      inline const internal::solve_retval<SparseLU<MatrixType, UmfPack>, Rhs>
-    solve(const MatrixBase<Rhs>& b) const
-    {
-      eigen_assert(true && "SparseLU is not initialized.");
-      return internal::solve_retval<SparseLU<MatrixType, UmfPack>, Rhs>(*this, b.derived());
-    }
-
-    void compute(const MatrixType& matrix);
-
-    inline Index cols() const { return m_matrixRef->cols(); }
-    inline Index rows() const { return m_matrixRef->rows(); }
-
-    inline const MatrixType& matrixLU() const
-    {
-      //eigen_assert(m_isInitialized && "LU is not initialized.");
-      return *m_matrixRef;
-    }
-
-    const void* numeric() const
-    {
-      return m_numeric;
-    }
-
-  protected:
-
-    void extractData() const;
-  
-  protected:
-    // cached data:
-    void* m_numeric;
-    const MatrixType* m_matrixRef;
-    mutable LMatrixType m_l;
-    mutable UMatrixType m_u;
-    mutable IntColVectorType m_p;
-    mutable IntRowVectorType m_q;
-    mutable bool m_extractedDataAreDirty;
-};
-
-namespace internal {
-
-template<typename _MatrixType, typename Rhs>
-  struct solve_retval<SparseLU<_MatrixType, UmfPack>, Rhs>
-  : solve_retval_base<SparseLU<_MatrixType, UmfPack>, Rhs>
-{
-  typedef SparseLU<_MatrixType, UmfPack> SpLUDecType;
-  EIGEN_MAKE_SOLVE_HELPERS(SpLUDecType,Rhs)
-
-  template<typename Dest> void evalTo(Dest& dst) const
-  {
-    const int rhsCols = rhs().cols();
-
-    eigen_assert((Rhs::Flags&RowMajorBit)==0 && "UmfPack backend does not support non col-major rhs yet");
-    eigen_assert((Dest::Flags&RowMajorBit)==0 && "UmfPack backend does not support non col-major result yet");
-
-    void* numeric = const_cast<void*>(dec().numeric());
-
-    EIGEN_UNUSED int errorCode = 0;
-    for (int j=0; j<rhsCols; ++j)
-    {
-      errorCode = umfpack_solve(UMFPACK_A,
-                                dec().matrixLU()._outerIndexPtr(), dec().matrixLU()._innerIndexPtr(), dec().matrixLU()._valuePtr(),
-                                &dst.col(j).coeffRef(0), &rhs().const_cast_derived().col(j).coeffRef(0), numeric, 0, 0);
-      eigen_assert(!errorCode && "UmfPack could not solve the system.");
-    }
-  }
-    
-};
-
-} // end namespace internal
-
-template<typename MatrixType>
-void SparseLU<MatrixType,UmfPack>::compute(const MatrixType& a)
-{
-  typedef typename MatrixType::Index Index;
-  const Index rows = a.rows();
-  const Index cols = a.cols();
-  eigen_assert((MatrixType::Flags&RowMajorBit)==0 && "Row major matrices are not supported yet");
-
-  m_matrixRef = &a;
-
-  if (m_numeric)
-    umfpack_free_numeric(&m_numeric,Scalar());
-
-  void* symbolic;
-  int errorCode = 0;
-  errorCode = umfpack_symbolic(rows, cols, a._outerIndexPtr(), a._innerIndexPtr(), a._valuePtr(),
-                                  &symbolic, 0, 0);
-  if (errorCode==0)
-    errorCode = umfpack_numeric(a._outerIndexPtr(), a._innerIndexPtr(), a._valuePtr(),
-                                   symbolic, &m_numeric, 0, 0);
-
-  umfpack_free_symbolic(&symbolic,Scalar());
-
-  m_extractedDataAreDirty = true;
-
-  Base::m_succeeded = (errorCode==0);
-}
-
-template<typename MatrixType>
-void SparseLU<MatrixType,UmfPack>::extractData() const
-{
-  if (m_extractedDataAreDirty)
-  {
-    // get size of the data
-    int lnz, unz, rows, cols, nz_udiag;
-    umfpack_get_lunz(&lnz, &unz, &rows, &cols, &nz_udiag, m_numeric, Scalar());
-
-    // allocate data
-    m_l.resize(rows,(std::min)(rows,cols));
-    m_l.resizeNonZeros(lnz);
-    
-    m_u.resize((std::min)(rows,cols),cols);
-    m_u.resizeNonZeros(unz);
-
-    m_p.resize(rows);
-    m_q.resize(cols);
-
-    // extract
-    umfpack_get_numeric(m_l._outerIndexPtr(), m_l._innerIndexPtr(), m_l._valuePtr(),
-                        m_u._outerIndexPtr(), m_u._innerIndexPtr(), m_u._valuePtr(),
-                        m_p.data(), m_q.data(), 0, 0, 0, m_numeric);
-    
-    m_extractedDataAreDirty = false;
-  }
-}
-
-template<typename MatrixType>
-typename SparseLU<MatrixType,UmfPack>::Scalar SparseLU<MatrixType,UmfPack>::determinant() const
-{
-  Scalar det;
-  umfpack_get_determinant(&det, 0, m_numeric, 0);
-  return det;
-}
-
-template<typename MatrixType>
-template<typename BDerived,typename XDerived>
-bool SparseLU<MatrixType,UmfPack>::solve(const MatrixBase<BDerived> &b, MatrixBase<XDerived> *x) const
-{
-  //const int size = m_matrix.rows();
-  const int rhsCols = b.cols();
-//   eigen_assert(size==b.rows());
-  eigen_assert((BDerived::Flags&RowMajorBit)==0 && "UmfPack backend does not support non col-major rhs yet");
-  eigen_assert((XDerived::Flags&RowMajorBit)==0 && "UmfPack backend does not support non col-major result yet");
-
-  int errorCode;
-  for (int j=0; j<rhsCols; ++j)
-  {
-    errorCode = umfpack_solve(UMFPACK_A,
-        m_matrixRef->_outerIndexPtr(), m_matrixRef->_innerIndexPtr(), m_matrixRef->_valuePtr(),
-        &x->col(j).coeffRef(0), &b.const_cast_derived().col(j).coeffRef(0), m_numeric, 0, 0);
-    if (errorCode!=0)
-      return false;
-  }
-//   errorCode = umfpack_di_solve(UMFPACK_A,
-//       m_matrixRef._outerIndexPtr(), m_matrixRef._innerIndexPtr(), m_matrixRef._valuePtr(),
-//       x->derived().data(), b.derived().data(), m_numeric, 0, 0);
-
-  return true;
-}
-
-#endif // EIGEN_UMFPACKSUPPORT_H
diff --git a/unsupported/test/CMakeLists.txt b/unsupported/test/CMakeLists.txt
index 5dfc81fff..83e947665 100644
--- a/unsupported/test/CMakeLists.txt
+++ b/unsupported/test/CMakeLists.txt
@@ -2,46 +2,6 @@
 include_directories(../../test ../../unsupported ../../Eigen 
                     ${CMAKE_CURRENT_BINARY_DIR}/../../test)
 
-set(SPARSE_LIBS "")
-
-# configure blas/lapack (use Eigen's by default)
-set(BLAS_FOUND TRUE)
-set(LAPACK_FOUND TRUE)
-set(BLAS_LIBRARIES eigen_blas)
-set(LAPACK_LIBRARIES eigen_lapack)
-
-find_package(Cholmod)
-if(CHOLMOD_FOUND AND BLAS_FOUND AND LAPACK_FOUND)
-  add_definitions("-DEIGEN_CHOLMOD_SUPPORT")
-  include_directories(${CHOLMOD_INCLUDES})
-  set(SPARSE_LIBS ${SPARSE_LIBS} ${CHOLMOD_LIBRARIES} ${BLAS_LIBRARIES} ${LAPACK_LIBRARIES})
-  ei_add_property(EIGEN_TESTED_BACKENDS "Cholmod, ")
-else()
-  ei_add_property(EIGEN_MISSING_BACKENDS "Cholmod, ")
-endif()
-
-find_package(Umfpack)
-if(UMFPACK_FOUND AND BLAS_FOUND)
-  add_definitions("-DEIGEN_UMFPACK_SUPPORT")
-  include_directories(${UMFPACK_INCLUDES})
-  set(SPARSE_LIBS ${SPARSE_LIBS} ${UMFPACK_LIBRARIES} ${BLAS_LIBRARIES})
-  set(UMFPACK_ALL_LIBS ${UMFPACK_LIBRARIES} ${BLAS_LIBRARIES})
-  ei_add_property(EIGEN_TESTED_BACKENDS "UmfPack, ")
-else()
-  ei_add_property(EIGEN_MISSING_BACKENDS "UmfPack, ")
-endif()
-
-find_package(SuperLU)
-if(SUPERLU_FOUND AND BLAS_FOUND)
-  add_definitions("-DEIGEN_SUPERLU_SUPPORT")
-  include_directories(${SUPERLU_INCLUDES})
-  set(SPARSE_LIBS ${SPARSE_LIBS} ${SUPERLU_LIBRARIES} ${BLAS_LIBRARIES})
-  set(SUPERLU_ALL_LIBS ${SUPERLU_LIBRARIES} ${BLAS_LIBRARIES})
-  ei_add_property(EIGEN_TESTED_BACKENDS  "SuperLU, ")
-else()
-  ei_add_property(EIGEN_MISSING_BACKENDS  "SuperLU, ")
-endif()
-
 find_package(GoogleHash)
 if(GOOGLEHASH_FOUND)
   add_definitions("-DEIGEN_GOOGLEHASH_SUPPORT")
@@ -88,22 +48,6 @@ else()
   ei_add_property(EIGEN_MISSING_BACKENDS "MPFR C++, ")
 endif()
 
-ei_add_test(sparse_llt  "" "${SPARSE_LIBS}")
-ei_add_test(sparse_ldlt "" "${SPARSE_LIBS}")
-ei_add_test(sparse_lu_legacy   "" "${SPARSE_LIBS}")
-
-ei_add_test(simplicial_cholesky)
-ei_add_test(conjugate_gradient)
-ei_add_test(bicgstab)
-
-if(UMFPACK_FOUND)
-  ei_add_test(umfpack_support   "" "${UMFPACK_ALL_LIBS}")
-endif()
-
-if(SUPERLU_FOUND)
-  ei_add_test(superlu_support   "" "${SUPERLU_ALL_LIBS}")
-endif()
-
 ei_add_test(sparse_extra   "" "")
 
 find_package(FFTW)
@@ -150,4 +94,3 @@ endif(GSL_FOUND)
 ei_add_test(polynomialsolver " " "${GSL_LIBRARIES}" )
 ei_add_test(polynomialutils)
 ei_add_test(kronecker_product)
-ei_add_test(cg)