Split Rotation.h to Rotation2D.h and RotationBase.h,

and more code factorization based on RotationBase.
Added notes about the main aim of the Translation and Scaling classes.

2 files changed, 5 insertions, 4 deletions

diff --git a/Eigen/src/Core/Matrix.h b/Eigen/src/Core/Matrix.h
index 44e4c45b8..cf018ffef 100644
--- a/Eigen/src/Core/Matrix.h
+++ b/Eigen/src/Core/Matrix.h
@@ -364,10 +364,10 @@ class Matrix
 
 /////////// Geometry module ///////////
 
-    explicit Matrix(const Quaternion<Scalar>& q);
-    Matrix& operator=(const Quaternion<Scalar>& q);
-    explicit Matrix(const AngleAxis<Scalar>& aa);
-    Matrix& operator=(const AngleAxis<Scalar>& aa);
+    template<typename OtherDerived>
+    explicit Matrix(const RotationBase<OtherDerived,ColsAtCompileTime>& r);
+    template<typename OtherDerived>
+    Matrix& operator=(const RotationBase<OtherDerived,ColsAtCompileTime>& r);
 };
 
 /** \defgroup matrixtypedefs Global matrix typedefs
diff --git a/Eigen/src/Core/util/ForwardDeclarations.h b/Eigen/src/Core/util/ForwardDeclarations.h
index b85ef94f7..015f4e5b7 100644
--- a/Eigen/src/Core/util/ForwardDeclarations.h
+++ b/Eigen/src/Core/util/ForwardDeclarations.h
@@ -100,6 +100,7 @@ template<typename MatrixType> class Cholesky;
 template<typename MatrixType> class CholeskyWithoutSquareRoot;
 
 // Geometry module:
+template<typename Derived, int _Dim> class RotationBase;
 template<typename Lhs, typename Rhs> class Cross;
 template<typename Scalar> class Quaternion;
 template<typename Scalar> class Rotation2D;