Merged branch 'dev_native' into lm_sla_supports_auto

Added igl library files

src/igl/on_boundary.h

@@ -0,0 +1,51 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+// 
+// Copyright (C) 2013 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_ON_BOUNDARY_H
+#define IGL_ON_BOUNDARY_H
+#include "igl_inline.h"
+#include <Eigen/Dense>
+
+#include <vector>
+
+namespace igl
+{
+  // ON_BOUNDARY Determine boundary facets of mesh elements stored in T
+  //
+  // Templates:
+  //   IntegerT  integer-value: i.e. int
+  //   IntegerF  integer-value: i.e. int
+  // Input:
+  //  T  triangle|tetrahedron index list, m by 3|4, where m is the number of
+  //    elements
+  // Output:
+  //  I  m long list of bools whether tet is on boundary
+  //  C  m by 3|4 list of bools whether opposite facet is on boundary
+  //
+  template <typename IntegerT>
+  IGL_INLINE void on_boundary(
+    const std::vector<std::vector<IntegerT> > & T,
+    std::vector<bool> & I,
+    std::vector<std::vector<bool> > & C);
+  // Templates:
+  //   DerivedT  integer-value: i.e. from MatrixXi
+  //   DerivedI  bool-value: i.e. from MatrixXi
+  //   DerivedC  bool-value: i.e. from MatrixXi
+  template <typename DerivedT, typename DerivedI, typename DerivedC>
+  IGL_INLINE void on_boundary(
+    const Eigen::MatrixBase<DerivedT>& T,
+    Eigen::PlainObjectBase<DerivedI>& I,
+    Eigen::PlainObjectBase<DerivedC>& C);
+}
+
+#ifndef IGL_STATIC_LIBRARY
+#  include "on_boundary.cpp"
+#endif
+
+#endif
+
+