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diff --git a/src/armadillo/include/armadillo_bits/op_median_bones.hpp b/src/armadillo/include/armadillo_bits/op_median_bones.hpp
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--- /dev/null
+++ b/src/armadillo/include/armadillo_bits/op_median_bones.hpp
@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: Apache-2.0
+// 
+// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
+// Copyright 2008-2016 National ICT Australia (NICTA)
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// ------------------------------------------------------------------------
+
+
+//! \addtogroup op_median
+//! @{
+
+
+template<typename T>
+struct arma_cx_median_packet
+  {
+  T     val;
+  uword index;
+  };
+
+
+
+template<typename T>
+arma_inline
+bool
+operator< (const arma_cx_median_packet<T>& A, const arma_cx_median_packet<T>& B)
+  {
+  return (A.val < B.val);
+  }
+
+
+
+class op_median
+  : public traits_op_xvec
+  {
+  public:
+  
+  template<typename T1>
+  inline static void apply(Mat<typename T1::elem_type>& out, const Op<T1,op_median>& expr);
+  
+  template<typename eT>
+  inline static void apply_noalias(Mat<eT>& out, const Mat<eT>& X, const uword dim, const typename arma_not_cx<eT>::result* junk = nullptr);
+  
+  template<typename eT>
+  inline static void apply_noalias(Mat<eT>& out, const Mat<eT>& X, const uword dim, const typename arma_cx_only<eT>::result* junk = nullptr);
+  
+  //
+  //
+  
+  template<typename T1>
+  inline static typename T1::elem_type median_vec(const T1& X, const typename arma_not_cx<typename T1::elem_type>::result* junk = nullptr);
+  
+  template<typename T1>
+  inline static typename T1::elem_type median_vec(const T1& X, const typename arma_cx_only<typename T1::elem_type>::result* junk = nullptr);
+  
+  //
+  //
+  
+  template<typename eT>
+  inline static eT direct_median(std::vector<eT>& X);
+  
+  template<typename T>
+  inline static void direct_cx_median_index(uword& out_index1, uword& out_index2, std::vector< arma_cx_median_packet<T> >& X);
+  };
+
+
+
+//! @}