update bundled_deps

bundled_deps/libigl/igl/unique_rows.h

@@ -0,0 +1,41 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+//
+// Copyright (C) 2017 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_UNIQUE_ROWS_H
+#define IGL_UNIQUE_ROWS_H
+#include "igl_inline.h"
+
+#include <vector>
+#include <Eigen/Core>
+namespace igl
+{
+  // Act like matlab's [C,IA,IC] = unique(X,'rows')
+  //
+  // Templates:
+  //   DerivedA derived scalar type, e.g. MatrixXi or MatrixXd
+  //   DerivedIA derived integer type, e.g. MatrixXi
+  //   DerivedIC derived integer type, e.g. MatrixXi
+  // Inputs:
+  //   A  m by n matrix whose entries are to unique'd according to rows
+  // Outputs:
+  //   C  #C vector of unique rows in A
+  //   IA  #C index vector so that C = A(IA,:);
+  //   IC  #A index vector so that A = C(IC,:);
+  template <typename DerivedA, typename DerivedC, typename DerivedIA, typename DerivedIC>
+  IGL_INLINE void unique_rows(
+    const Eigen::DenseBase<DerivedA>& A,
+    Eigen::PlainObjectBase<DerivedC>& C,
+    Eigen::PlainObjectBase<DerivedIA>& IA,
+    Eigen::PlainObjectBase<DerivedIC>& IC);
+
+}
+
+#ifndef IGL_STATIC_LIBRARY
+#  include "unique_rows.cpp"
+#endif
+
+#endif