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diff --git a/src/Bottleneck_distance/include/CGAL/Miscellaneous.h b/src/Bottleneck_distance/include/CGAL/Miscellaneous.h
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+/*    This file is part of the Gudhi Library. The Gudhi library
+ *    (Geometric Understanding in Higher Dimensions) is a generic C++
+ *    library for computational topology.
+ *
+ *    Author(s):       Francois Godi
+ *
+ *    Copyright (C) 2015  INRIA Sophia-Antipolis (France)
+ *
+ *    This program is free software: 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 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program 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 General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef SRC_BOTTLENECK_INCLUDE_CGAL_MISCELLANEOUS_H_
+#define SRC_BOTTLENECK_INCLUDE_CGAL_MISCELLANEOUS_H_
+
+#include <gudhi/Internal_point.h>
+
+namespace CGAL {
+
+typedef Gudhi::bipartite_graph_matching::Internal_point Internal_point;
+
+template <>
+struct Kernel_traits<Internal_point> {
+    struct Kernel {
+        typedef double FT;
+        typedef double RT;
+    };
+};
+
+
+struct Construct_coord_iterator {
+    typedef  const double* result_type;
+    const double* operator()(const Internal_point& p) const
+    { return static_cast<const double*>(p.vec); }
+    const double* operator()(const Internal_point& p, int)  const
+    { return static_cast<const double*>(p.vec+2); }
+};
+
+} //namespace CGAL
+
+#endif  // SRC_BOTTLENECK_INCLUDE_CGAL_MISCELLANEOUS_H_