From 827c70abd8c81089af13c4738e0586bf44e501ea Mon Sep 17 00:00:00 2001
From: Daniel Genrich <daniel.genrich@gmx.net>
Date: Mon, 15 Oct 2012 16:29:23 +0000
Subject: Update to stable Eigen 3.1.1

- Fixes several bugs within the Eigen library:
http://eigen.tuxfamily.org/index.php?title=ChangeLog#Eigen_3.1.1
---
 extern/Eigen3/Eigen/src/Geometry/Homogeneous.h | 39 +++++++++-----------------
 1 file changed, 14 insertions(+), 25 deletions(-)

(limited to 'extern/Eigen3/Eigen/src/Geometry/Homogeneous.h')

diff --git a/extern/Eigen3/Eigen/src/Geometry/Homogeneous.h b/extern/Eigen3/Eigen/src/Geometry/Homogeneous.h
index 2bc4f7e87e3..df03feb55c6 100644
--- a/extern/Eigen3/Eigen/src/Geometry/Homogeneous.h
+++ b/extern/Eigen3/Eigen/src/Geometry/Homogeneous.h
@@ -3,28 +3,15 @@
 //
 // Copyright (C) 2009-2010 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/>.
+// This Source Code Form is subject to the terms of the Mozilla
+// Public License v. 2.0. If a copy of the MPL was not distributed
+// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 #ifndef EIGEN_HOMOGENEOUS_H
 #define EIGEN_HOMOGENEOUS_H
 
+namespace Eigen { 
+
 /** \geometry_module \ingroup Geometry_Module
   *
   * \class Homogeneous
@@ -121,7 +108,7 @@ template<typename MatrixType,int _Direction> class Homogeneous
     }
 
   protected:
-    const typename MatrixType::Nested m_matrix;
+    typename MatrixType::Nested m_matrix;
 };
 
 /** \geometry_module
@@ -216,8 +203,8 @@ template<typename Scalar, int Dim, int Mode,int Options>
 struct take_matrix_for_product<Transform<Scalar, Dim, Mode, Options> >
 {
   typedef Transform<Scalar, Dim, Mode, Options> TransformType;
-  typedef typename TransformType::ConstAffinePart type;
-  static const type run (const TransformType& x) { return x.affine(); }
+  typedef typename internal::add_const<typename TransformType::ConstAffinePart>::type type;
+  static type run (const TransformType& x) { return x.affine(); }
 };
 
 template<typename Scalar, int Dim, int Options>
@@ -270,8 +257,8 @@ struct homogeneous_left_product_impl<Homogeneous<MatrixType,Vertical>,Lhs>
             .template replicate<MatrixType::ColsAtCompileTime>(m_rhs.cols());
   }
 
-  const typename LhsMatrixTypeCleaned::Nested m_lhs;
-  const typename MatrixType::Nested m_rhs;
+  typename LhsMatrixTypeCleaned::Nested m_lhs;
+  typename MatrixType::Nested m_rhs;
 };
 
 template<typename MatrixType,typename Rhs>
@@ -309,10 +296,12 @@ struct homogeneous_right_product_impl<Homogeneous<MatrixType,Horizontal>,Rhs>
             .template replicate<MatrixType::RowsAtCompileTime>(m_lhs.rows());
   }
 
-  const typename MatrixType::Nested m_lhs;
-  const typename Rhs::Nested m_rhs;
+  typename MatrixType::Nested m_lhs;
+  typename Rhs::Nested m_rhs;
 };
 
 } // end namespace internal
 
+} // end namespace Eigen
+
 #endif // EIGEN_HOMOGENEOUS_H
-- 
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