Merged branch 'dev_native' into lm_sla_supports_auto

Added igl library files

src/igl/ARAPEnergyType.h

@@ -0,0 +1,36 @@
+// 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_ARAPENERGYTYPE_H
+#define IGL_ARAPENERGYTYPE_H
+namespace igl
+{
+  //     ARAP_ENERGY_TYPE_SPOKES  "As-rigid-as-possible Surface Modeling" by [Sorkine and
+  //       Alexa 2007], rotations defined at vertices affecting incident edges,
+  //       default
+  //     ARAP_ENERGY_TYPE_SPOKES-AND-RIMS  Adapted version of "As-rigid-as-possible Surface
+  //       Modeling" by [Sorkine and Alexa 2007] presented in section 4.2 of or
+  //       "A simple geometric model for elastic deformation" by [Chao et al.
+  //       2010], rotations defined at vertices affecting incident edges and
+  //       opposite edges
+  //     ARAP_ENERGY_TYPE_ELEMENTS  "A local-global approach to mesh parameterization" by
+  //       [Liu et al.  2010] or "A simple geometric model for elastic
+  //       deformation" by [Chao et al.  2010], rotations defined at elements
+  //       (triangles or tets) 
+  //     ARAP_ENERGY_TYPE_DEFAULT  Choose one automatically: spokes and rims
+  //       for surfaces, elements for planar meshes and tets (not fully
+  //       supported)
+  enum ARAPEnergyType
+  {
+    ARAP_ENERGY_TYPE_SPOKES = 0,
+    ARAP_ENERGY_TYPE_SPOKES_AND_RIMS = 1,
+    ARAP_ENERGY_TYPE_ELEMENTS = 2,
+    ARAP_ENERGY_TYPE_DEFAULT = 3,
+    NUM_ARAP_ENERGY_TYPES = 4
+  };
+}
+#endif