update bundled_deps

bundled_deps/libigl/igl/oriented_facets.h

@@ -0,0 +1,41 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+// 
+// Copyright (C) 2017 Alec Jacobson <alecjacobson@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_ORIENTED_FACETS_H
+#define IGL_ORIENTED_FACETS_H
+#include "igl_inline.h"
+#include <Eigen/Dense>
+namespace igl
+{
+  // ORIENTED_FACETS Determines all "directed
+  // [facets](https://en.wikipedia.org/wiki/Simplex#Elements)" of a given set
+  // of simplicial elements. For a manifold triangle mesh, this computes all
+  // half-edges. For a manifold tetrahedral mesh, this computes all half-faces.
+  //
+  // Inputs:
+  //   F  #F by simplex_size list of simplices
+  // Outputs:
+  //   E  #E by simplex_size-1  list of facets
+  //
+  // Note: this is not the same as igl::edges because this includes every
+  // directed edge including repeats (meaning interior edges on a surface will
+  // show up once for each direction and non-manifold edges may appear more than
+  // once for each direction).
+  //
+  // Note: This replaces the deprecated `all_edges` function
+  template <typename DerivedF, typename DerivedE>
+  IGL_INLINE void oriented_facets(
+    const Eigen::MatrixBase<DerivedF> & F,
+    Eigen::PlainObjectBase<DerivedE> & E);
+}
+
+#ifndef IGL_STATIC_LIBRARY
+#  include "oriented_facets.cpp"
+#endif
+
+#endif
+