Added basic SkylineMatrix.

3 files changed, 10 insertions, 2 deletions

diff --git a/Eigen/src/Core/MatrixBase.h b/Eigen/src/Core/MatrixBase.h
index e5eed715b..40abe76a4 100644
--- a/Eigen/src/Core/MatrixBase.h
+++ b/Eigen/src/Core/MatrixBase.h
@@ -781,6 +781,11 @@ template<typename Derived> class MatrixBase
     template<typename Derived1, typename Derived2>
     Derived& lazyAssign(const SparseProduct<Derived1,Derived2,DenseTimeSparseProduct>& product);
 
+// dense = skyline * dense
+	template<typename Derived1, typename Derived2>
+	Derived& lazyAssign(const SkylineProduct<Derived1,Derived2,SkylineTimeDenseProduct>& product);
+
+
 ////////// Householder module ///////////
 
     void makeHouseholderInPlace(Scalar *tau, RealScalar *beta);
diff --git a/Eigen/src/Core/util/Constants.h b/Eigen/src/Core/util/Constants.h
index c9735b6e4..2ab427274 100644
--- a/Eigen/src/Core/util/Constants.h
+++ b/Eigen/src/Core/util/Constants.h
@@ -201,7 +201,7 @@ enum { AsRequested=0, EnforceAlignedAccess=2 };
 enum { ConditionalJumpCost = 5 };
 enum CornerType { TopLeft, TopRight, BottomLeft, BottomRight };
 enum DirectionType { Vertical, Horizontal, BothDirections };
-enum ProductEvaluationMode { NormalProduct, CacheFriendlyProduct, SparseTimeSparseProduct, SparseTimeDenseProduct, DenseTimeSparseProduct };
+enum ProductEvaluationMode { NormalProduct, CacheFriendlyProduct, SparseTimeSparseProduct, SparseTimeDenseProduct, DenseTimeSparseProduct, SkylineTimeDenseProduct };
 
 enum {
   /** \internal Equivalent to a slice vectorization for fixed-size matrices having good alignment
diff --git a/Eigen/src/Core/util/ForwardDeclarations.h b/Eigen/src/Core/util/ForwardDeclarations.h
index 86df5395e..af3ad8921 100644
--- a/Eigen/src/Core/util/ForwardDeclarations.h
+++ b/Eigen/src/Core/util/ForwardDeclarations.h
@@ -74,7 +74,7 @@ template<typename DecompositionType> struct ei_image_retval_base;
 template<typename DecompositionType> struct ei_image_retval;
 
 template<typename _Scalar, int Rows=Dynamic, int Cols=Dynamic, int Supers=Dynamic, int Subs=Dynamic, int Options=0> class BandMatrix;
-
+template<typename _Scalar, int Rows=Dynamic, int Cols=Dynamic, int ColsUsed=Dynamic, int Options=0> class ColumnMatrix;
 
 template<typename Lhs, typename Rhs> struct ei_product_type;
 template<typename Lhs, typename Rhs,
@@ -150,5 +150,8 @@ template<typename MatrixType,int Direction> class Homogeneous;
 
 // Sparse module:
 template<typename Lhs, typename Rhs, int ProductMode> class SparseProduct;
+// Skyline module:
+template<typename Lhs, typename Rhs, int ProductMode> class SkylineProduct;
+
 
 #endif // EIGEN_FORWARDDECLARATIONS_H