update bundled_deps

bundled_deps/libigl/igl/copyleft/cgal/insert_into_cdt.h

@@ -0,0 +1,60 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+//
+// Copyright (C) 2016 Alec Jacobson
+//
+// 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 IGL_COPYLEFT_CGAL_INSERT_INTO_CDT_H
+#define IGL_COPYLEFT_CGAL_INSERT_INTO_CDT_H
+#include "../../igl_inline.h"
+
+#include <CGAL/double.h> // Workaround https://github.com/CGAL/cgal/issues/2182 with CGAL 4.10-1
+#include <CGAL/Plane_3.h>
+#include <CGAL/Constrained_Delaunay_triangulation_2.h>
+#include <CGAL/Constrained_triangulation_plus_2.h>
+
+namespace igl
+{
+  namespace copyleft
+  {
+    namespace cgal
+    {
+      // Given a current 2D constrained Delaunay triangulation (cdt), insert a
+      // 3D "object" (e.g., resulting from intersecting two triangles) into the
+      // cdt, by projecting it via the given plane (P) and adding appropriate
+      // constraints.
+      //
+      // Inputs:
+      //   obj  CGAL::Object representing a vertex, segment, or (convex)
+      //     polygon. All vertices should lie on the plane P. If not, then this
+      //     adds the _projection_ of this object to the cdt and that might not
+      //     be what you wanted to do.
+      //   P  plane obj lies on and upon which the cdt is being performed
+      //   cdt  current CDT, see output
+      // Outputs:
+      //   cdt  CDT updated to contain constraints for the given object
+      //
+      template <typename Kernel>
+      IGL_INLINE void insert_into_cdt(
+        const CGAL::Object & obj,
+        const CGAL::Plane_3<Kernel> & P,
+        CGAL::Constrained_triangulation_plus_2<
+          CGAL::Constrained_Delaunay_triangulation_2<
+            Kernel,
+            CGAL::Triangulation_data_structure_2<
+              CGAL::Triangulation_vertex_base_2<Kernel>,
+              CGAL::Constrained_triangulation_face_base_2< Kernel>
+            >,
+            CGAL::Exact_intersections_tag
+          >
+        >
+        & cdt);
+    }
+  }
+}
+
+#ifndef IGL_STATIC_LIBRARY
+#  include "insert_into_cdt.cpp"
+#endif
+#endif