Merged branch 'dev_native' into lm_sla_supports_auto

Added igl library files

src/igl/facet_components.h

@@ -0,0 +1,43 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+// 
+// Copyright (C) 2015 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 FACET_COMPONENTS_H
+#define FACET_COMPONENTS_H
+#include "igl_inline.h"
+#include <Eigen/Core>
+#include <vector>
+namespace igl
+{
+  // Compute connected components of facets based on edge-edge adjacency.
+  //
+  // Inputs:
+  //   F  #F by 3 list of triangle indices
+  // Outputs:
+  //   C  #F list of connected component ids
+  template <typename DerivedF, typename DerivedC>
+  IGL_INLINE void facet_components(
+    const Eigen::PlainObjectBase<DerivedF> & F,
+    Eigen::PlainObjectBase<DerivedC> & C);
+  // Inputs:
+  //   TT  #TT by 3 list of list of adjacency triangles (see
+  //   triangle_triangle_adjacency.h)
+  // Outputs:
+  //   C  #F list of connected component ids
+  //   counts #C list of number of facets in each components
+  template <
+    typename TTIndex, 
+    typename DerivedC,
+    typename Derivedcounts>
+  IGL_INLINE void facet_components(
+    const std::vector<std::vector<std::vector<TTIndex > > > & TT,
+    Eigen::PlainObjectBase<DerivedC> & C,
+    Eigen::PlainObjectBase<Derivedcounts> & counts);
+}
+#ifndef IGL_STATIC_LIBRARY
+#  include "facet_components.cpp"
+#endif
+#endif