update bundled_deps

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

@@ -0,0 +1,50 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+// 
+// Copyright (C) 2016 Qingnan Zhou <qnzhou@gmail.com>
+// 
+// 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_CELL_ADJACENCY_H
+#define IGL_COPYLEFT_CGAL_CELL_ADJACENCY_H
+#include "../../igl_inline.h"
+#include <Eigen/Core>
+#include <set>
+#include <tuple>
+#include <vector>
+
+namespace igl
+{
+  namespace copyleft
+  {
+    namespace cgal
+    {
+      // Inputs:
+      //   per_patch_cells  #P by 2 list of cell labels on each side of each
+      //                    patch.  Cell labels are assumed to be continuous
+      //                    from 0 to #C.
+      //   num_cells        number of cells.
+      //
+      // Outputs:
+      //   adjacency_list  #C array of list of adjcent cell information.  If
+      //                   cell i and cell j are adjacent via patch x, where i
+      //                   is on the positive side of x, and j is on the
+      //                   negative side.  Then,
+      //                   adjacency_list[i] will contain the entry {j, false, x}
+      //                   and
+      //                   adjacency_list[j] will contain the entry {i, true, x}
+      template < typename DerivedC >
+      IGL_INLINE void cell_adjacency(
+          const Eigen::PlainObjectBase<DerivedC>& per_patch_cells,
+          const size_t num_cells,
+          std::vector<std::set<std::tuple<typename DerivedC::Scalar, bool, size_t> > >&
+          adjacency_list);
+    }
+  }
+}
+
+#ifndef IGL_STATIC_LIBRARY
+#  include "cell_adjacency.cpp"
+#endif
+#endif