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diff --git a/src/armadillo/include/armadillo_bits/podarray_bones.hpp b/src/armadillo/include/armadillo_bits/podarray_bones.hpp
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+// 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 podarray
+//! @{
+
+
+
+struct podarray_prealloc_n_elem
+  {
+  static constexpr uword val = 16;
+  };
+
+
+
+//! A lightweight array for POD types. For internal use only!
+template<typename eT>
+class podarray
+  {
+  public:
+  
+  arma_aligned const uword n_elem; //!< number of elements held
+  arma_aligned       eT*   mem;    //!< pointer to memory used by the object
+  
+  
+  protected:
+  //! internal memory, to avoid calling the 'new' operator for small amounts of memory.
+  arma_align_mem eT mem_local[ podarray_prealloc_n_elem::val ];
+  
+  
+  public:
+  
+  inline ~podarray();
+  inline  podarray();
+  
+  inline                 podarray (const podarray& x);
+  inline const podarray& operator=(const podarray& x);
+  
+  arma_inline explicit podarray(const uword new_N);
+  
+  template<bool do_zeros>
+  inline explicit podarray(const uword new_N, const arma_initmode_indicator<do_zeros>&);
+  
+  arma_inline eT& operator[] (const uword i);
+  arma_inline eT  operator[] (const uword i) const;
+  
+  arma_inline eT& operator() (const uword i);
+  arma_inline eT  operator() (const uword i) const;
+  
+  inline void set_min_size(const uword min_n_elem);
+  
+  inline void set_size(const uword new_n_elem);
+  inline void reset();
+  
+  
+  inline void fill(const eT val);
+  
+  inline void zeros();
+  inline void zeros(const uword new_n_elem);
+  
+  arma_inline       eT* memptr();
+  arma_inline const eT* memptr() const;
+  
+  inline void copy_row(const Mat<eT>& A, const uword row);
+  
+  
+  protected:
+  
+  inline void init_cold(const uword new_n_elem);
+  inline void init_warm(const uword new_n_elem);
+  };
+
+
+
+//! @}