doc + quick bug fix in Matrix ctor

Eigen/Core

@@ -25,6 +25,7 @@ namespace Eigen {
   */
 
 #include "src/Core/util/Memory.h"
+
 #include "src/Core/NumTraits.h"
 #include "src/Core/MathFunctions.h"
 #include "src/Core/GenericPacketMath.h"

Eigen/src/Core/Matrix.h

@@ -335,7 +335,8 @@ class Matrix
     inline Matrix(const MatrixBase<OtherDerived>& other)
              : m_storage(other.rows() * other.cols(), other.rows(), other.cols())
     {
-      Base::lazyAssign(other.derived());
+      ei_assign_selector<Matrix,OtherDerived,false>::run(*this, other.derived());
+      //Base::operator=(other.derived());
     }
     /** Copy constructor */
     inline Matrix(const Matrix& other)

Eigen/src/Core/util/ForwardDeclarations.h

@@ -81,6 +81,8 @@ template<typename Scalar> struct ei_scalar_min_op;
 template<typename Scalar> struct ei_scalar_max_op;
 template<typename Scalar> struct ei_scalar_random_op;
 template<typename Scalar> struct ei_scalar_add_op;
+template<typename Scalar> struct ei_scalar_constant_op;
+template<typename Scalar> struct ei_scalar_identity_op;
 
 struct IOFormat;
 

Eigen/src/Core/util/StaticAssert.h

@@ -121,5 +121,4 @@
     || int(TYPE0::ColsAtCompileTime)==int(TYPE1::ColsAtCompileTime))),\
     you_mixed_matrices_of_different_sizes)
 
-
 #endif // EIGEN_STATIC_ASSERT_H

Eigen/src/Geometry/Rotation.h

@@ -161,8 +161,7 @@ public:
   { return m_angle += other.m_angle; }
 
   /** Applies the rotation to a 2D vector */
-  template<typename Derived>
-  Vector2 operator* (const MatrixBase<Derived>& vec) const
+  Vector2 operator* (const Vector2& vec) const
   { return toRotationMatrix() * vec; }
 
   template<typename Derived>