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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);
+ };
+
+
+
+//! @}