update bundled_deps

bundled_deps/libigl/igl/quadric_binary_plus_operator.cpp

@@ -0,0 +1,24 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+// 
+// Copyright (C) 2016 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/.
+#include "quadric_binary_plus_operator.h"
+
+IGL_INLINE std::tuple< Eigen::MatrixXd, Eigen::RowVectorXd, double> 
+  igl::operator+(
+    const std::tuple< Eigen::MatrixXd, Eigen::RowVectorXd, double>  & a, 
+    const std::tuple< Eigen::MatrixXd, Eigen::RowVectorXd, double>  & b)
+{
+  std::tuple<
+    Eigen::MatrixXd,
+    Eigen::RowVectorXd,
+    double>  c;
+  std::get<0>(c) = (std::get<0>(a) + std::get<0>(b)).eval();
+  std::get<1>(c) = (std::get<1>(a) + std::get<1>(b)).eval();
+  std::get<2>(c) = (std::get<2>(a) + std::get<2>(b));
+  return c;
+}
+