update bundled_deps

bundled_deps/libigl/igl/copyleft/cgal/incircle.h

@@ -0,0 +1,39 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+// 
+// Copyright (C) 2016 Qingan Zhou <qnzhou@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_COPYLEFT_CGAL_INCIRCLE_H
+#define IGL_COPYLEFT_CGAL_INCIRCLE_H
+
+#include "../../igl_inline.h"
+
+namespace igl
+{
+  namespace copyleft
+  {
+    namespace cgal
+    {
+      // Inputs:
+      //   pa,pb,pc,pd  2D points.
+      // Output:
+      //   1 if pd is inside of the oriented circle formed by pa,pb,pc.
+      //   0 if pd is co-circular with pa,pb,pc.
+      //  -1 if pd is outside of the oriented circle formed by pa,pb,pc.
+      template <typename Scalar>
+      IGL_INLINE short incircle(
+          const Scalar pa[2],
+          const Scalar pb[2],
+          const Scalar pc[2],
+          const Scalar pd[2]);
+    }
+  }
+}
+
+#ifndef IGL_STATIC_LIBRARY
+#  include "incircle.cpp"
+#endif
+#endif