5 files changed, 51 insertions, 14 deletions
diff --git a/extern/Eigen3/Eigen/src/Geometry/Hyperplane.h b/extern/Eigen3/Eigen/src/Geometry/Hyperplane.h
index eb0a5877168..d85d3e553f8 100644
--- a/extern/Eigen3/Eigen/src/Geometry/Hyperplane.h
+++ b/extern/Eigen3/Eigen/src/Geometry/Hyperplane.h
@@ -225,7 +225,7 @@ public:
       normal() = mat * normal();
     else
     {
-      eigen_assert("invalid traits value in Hyperplane::transform()");
+      eigen_assert(0 && "invalid traits value in Hyperplane::transform()");
     }
     return *this;
   }
diff --git a/extern/Eigen3/Eigen/src/Geometry/Quaternion.h b/extern/Eigen3/Eigen/src/Geometry/Quaternion.h
index 2662d60fed1..9180db67d84 100644
--- a/extern/Eigen3/Eigen/src/Geometry/Quaternion.h
+++ b/extern/Eigen3/Eigen/src/Geometry/Quaternion.h
@@ -182,10 +182,9 @@ public:
   template<typename NewScalarType>
   inline typename internal::cast_return_type<Derived,Quaternion<NewScalarType> >::type cast() const
   {
-    return typename internal::cast_return_type<Derived,Quaternion<NewScalarType> >::type(
-      coeffs().template cast<NewScalarType>());
+    return typename internal::cast_return_type<Derived,Quaternion<NewScalarType> >::type(derived());
   }
-  
+
 #ifdef EIGEN_QUATERNIONBASE_PLUGIN
 # include EIGEN_QUATERNIONBASE_PLUGIN
 #endif
@@ -225,22 +224,25 @@ struct traits<Quaternion<_Scalar,_Options> >
   typedef _Scalar Scalar;
   typedef Matrix<_Scalar,4,1,_Options> Coefficients;
   enum{
-    IsAligned = bool(EIGEN_ALIGN) && ((int(_Options)&Aligned)==Aligned),
+    IsAligned = internal::traits<Coefficients>::Flags & AlignedBit,
     Flags = IsAligned ? (AlignedBit | LvalueBit) : LvalueBit
   };
 };
 }
 
 template<typename _Scalar, int _Options>
-class Quaternion : public QuaternionBase<Quaternion<_Scalar,_Options> >{
+class Quaternion : public QuaternionBase<Quaternion<_Scalar,_Options> >
+{
   typedef QuaternionBase<Quaternion<_Scalar,_Options> > Base;
+  enum { IsAligned = internal::traits<Quaternion>::IsAligned };
+
 public:
   typedef _Scalar Scalar;
 
   EIGEN_INHERIT_ASSIGNMENT_EQUAL_OPERATOR(Quaternion)
   using Base::operator*=;
 
-  typedef typename internal::traits<Quaternion<Scalar,_Options> >::Coefficients Coefficients;
+  typedef typename internal::traits<Quaternion>::Coefficients Coefficients;
   typedef typename Base::AngleAxisType AngleAxisType;
 
   /** Default constructor leaving the quaternion uninitialized. */
@@ -271,9 +273,16 @@ public:
   template<typename Derived>
   explicit inline Quaternion(const MatrixBase<Derived>& other) { *this = other; }
 
+  /** Explicit copy constructor with scalar conversion */
+  template<typename OtherScalar, int OtherOptions>
+  explicit inline Quaternion(const Quaternion<OtherScalar, OtherOptions>& other)
+  { m_coeffs = other.coeffs().template cast<Scalar>(); }
+
   inline Coefficients& coeffs() { return m_coeffs;}
   inline const Coefficients& coeffs() const { return m_coeffs;}
 
+  EIGEN_MAKE_ALIGNED_OPERATOR_NEW_IF(IsAligned)
+
 protected:
   Coefficients m_coeffs;
   
@@ -673,7 +682,7 @@ QuaternionBase<Derived>::slerp(Scalar t, const QuaternionBase<OtherDerived>& oth
   Scalar scale0;
   Scalar scale1;
 
-  if (absD>=one)
+  if(absD>=one)
   {
     scale0 = Scalar(1) - t;
     scale1 = t;
@@ -686,9 +695,8 @@ QuaternionBase<Derived>::slerp(Scalar t, const QuaternionBase<OtherDerived>& oth
 
     scale0 = internal::sin( ( Scalar(1) - t ) * theta) / sinTheta;
     scale1 = internal::sin( ( t * theta) ) / sinTheta;
-    if (d<0)
-      scale1 = -scale1;
   }
+  if(d<0) scale1 = -scale1;
 
   return Quaternion<Scalar>(scale0 * coeffs() + scale1 * other.coeffs());
 }
diff --git a/extern/Eigen3/Eigen/src/Geometry/Rotation2D.h b/extern/Eigen3/Eigen/src/Geometry/Rotation2D.h
index e1214bd3ebb..cf36da1c50c 100644
--- a/extern/Eigen3/Eigen/src/Geometry/Rotation2D.h
+++ b/extern/Eigen3/Eigen/src/Geometry/Rotation2D.h
@@ -89,7 +89,7 @@ public:
 
   /** Concatenates two rotations */
   inline Rotation2D& operator*=(const Rotation2D& other)
-  { return m_angle += other.m_angle; return *this; }
+  { m_angle += other.m_angle; return *this; }
 
   /** Applies the rotation to a 2D vector */
   Vector2 operator* (const Vector2& vec) const
diff --git a/extern/Eigen3/Eigen/src/Geometry/Transform.h b/extern/Eigen3/Eigen/src/Geometry/Transform.h
index 19d012572d4..a694673ebed 100644
--- a/extern/Eigen3/Eigen/src/Geometry/Transform.h
+++ b/extern/Eigen3/Eigen/src/Geometry/Transform.h
@@ -61,7 +61,7 @@ template< typename Lhs,
           typename Rhs,
           bool AnyProjective = 
             transform_traits<Lhs>::IsProjective ||
-            transform_traits<Lhs>::IsProjective>
+            transform_traits<Rhs>::IsProjective>
 struct transform_transform_product_impl;
 
 template< typename Other,
@@ -1391,6 +1391,35 @@ struct transform_transform_product_impl<Transform<Scalar,Dim,LhsMode,LhsOptions>
   }
 };
 
+template<typename Scalar, int Dim, int LhsOptions, int RhsOptions>
+struct transform_transform_product_impl<Transform<Scalar,Dim,AffineCompact,LhsOptions>,Transform<Scalar,Dim,Projective,RhsOptions>,true >
+{
+  typedef Transform<Scalar,Dim,AffineCompact,LhsOptions> Lhs;
+  typedef Transform<Scalar,Dim,Projective,RhsOptions> Rhs;
+  typedef Transform<Scalar,Dim,Projective> ResultType;
+  static ResultType run(const Lhs& lhs, const Rhs& rhs)
+  {
+    ResultType res;
+    res.matrix().template topRows<Dim>() = lhs.matrix() * rhs.matrix();
+    res.matrix().row(Dim) = rhs.matrix().row(Dim);
+    return res;
+  }
+};
+
+template<typename Scalar, int Dim, int LhsOptions, int RhsOptions>
+struct transform_transform_product_impl<Transform<Scalar,Dim,Projective,LhsOptions>,Transform<Scalar,Dim,AffineCompact,RhsOptions>,true >
+{
+  typedef Transform<Scalar,Dim,Projective,LhsOptions> Lhs;
+  typedef Transform<Scalar,Dim,AffineCompact,RhsOptions> Rhs;
+  typedef Transform<Scalar,Dim,Projective> ResultType;
+  static ResultType run(const Lhs& lhs, const Rhs& rhs)
+  {
+    ResultType res(lhs.matrix().template leftCols<Dim>() * rhs.matrix());
+    res.matrix().col(Dim) += lhs.matrix().col(Dim);
+    return res;
+  }
+};
+
 } // end namespace internal
 
 #endif // EIGEN_TRANSFORM_H
diff --git a/extern/Eigen3/Eigen/src/Geometry/arch/Geometry_SSE.h b/extern/Eigen3/Eigen/src/Geometry/arch/Geometry_SSE.h
index cbe695c7259..2af32678d1c 100644
--- a/extern/Eigen3/Eigen/src/Geometry/arch/Geometry_SSE.h
+++ b/extern/Eigen3/Eigen/src/Geometry/arch/Geometry_SSE.h
@@ -96,7 +96,7 @@ struct quat_product<Architecture::SSE, Derived, OtherDerived, double, Aligned>
    */
   t1 = padd(pmul(a_ww, b_xy), pmul(a_yy, b_zw));
   t2 = psub(pmul(a_zz, b_xy), pmul(a_xx, b_zw));
-#ifdef __SSE3__
+#ifdef EIGEN_VECTORIZE_SSE3
   EIGEN_UNUSED_VARIABLE(mask)
   pstore(&res.x(), _mm_addsub_pd(t1, preverse(t2)));
 #else
@@ -110,7 +110,7 @@ struct quat_product<Architecture::SSE, Derived, OtherDerived, double, Aligned>
    */
   t1 = psub(pmul(a_ww, b_zw), pmul(a_yy, b_xy));
   t2 = padd(pmul(a_zz, b_zw), pmul(a_xx, b_xy));
-#ifdef __SSE3__
+#ifdef EIGEN_VECTORIZE_SSE3
   EIGEN_UNUSED_VARIABLE(mask)
   pstore(&res.z(), preverse(_mm_addsub_pd(preverse(t1), t2)));
 #else