Merged branch 'dev_native' into lm_sla_supports_auto

Added igl library files

src/igl/partition.h

@@ -0,0 +1,39 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+// 
+// Copyright (C) 2014 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_PARTITION_H
+#define IGL_PARTITION_H
+#include "igl_inline.h"
+#include <Eigen/Dense>
+
+namespace igl
+{
+  // PARTITION partition vertices into groups based on each
+  // vertex's vector: vertices with similar coordinates (close in 
+  // space) will be put in the same group.
+  //
+  // Inputs:
+  //   W  #W by dim coordinate matrix
+  //   k  desired number of groups default is dim
+  // Output:
+  //   G  #W list of group indices (1 to k) for each vertex, such that vertex i 
+  //     is assigned to group G(i)
+  //   S  k  list of seed vertices
+  //   D  #W list of squared distances for each vertex to it's corresponding
+  //     closest seed
+  IGL_INLINE void partition(
+    const Eigen::MatrixXd & W,
+    const int k,
+    Eigen::Matrix<int,Eigen::Dynamic,1> & G,
+    Eigen::Matrix<int,Eigen::Dynamic,1> & S,
+    Eigen::Matrix<double,Eigen::Dynamic,1> & D);
+}
+
+#ifndef IGL_STATIC_LIBRARY
+#include "partition.cpp"
+#endif
+#endif