Merged branch 'dev_native' into lm_sla_supports_auto

Added igl library files

src/igl/column_to_quats.h

@@ -0,0 +1,34 @@
+// 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_COLUMN_TO_QUATS_H
+#define IGL_COLUMN_TO_QUATS_H
+#include "igl_inline.h"
+#include <Eigen/Core>
+#include <Eigen/Geometry>
+#include <Eigen/StdVector>
+#include <vector>
+namespace igl
+{
+  // "Columnize" a list of quaternions (q1x,q1y,q1z,q1w,q2x,q2y,q2z,q2w,...)
+  //
+  // Inputs:
+  //   Q  n*4-long list of coefficients
+  // Outputs:
+  //   vQ  n-long list of quaternions
+  // Returns false if n%4!=0
+  IGL_INLINE bool column_to_quats(
+    const Eigen::VectorXd & Q,
+    std::vector<
+      Eigen::Quaterniond,Eigen::aligned_allocator<Eigen::Quaterniond> > & vQ);
+}
+
+#ifndef IGL_STATIC_LIBRARY
+#  include "column_to_quats.cpp"
+#endif
+
+#endif