85 lines
2.0 KiB
C++
85 lines
2.0 KiB
C++
// Copyright (C) 2008-2012 National ICT Australia (NICTA)
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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// -------------------------------------------------------------------
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//
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// Written by Conrad Sanderson - http://conradsanderson.id.au
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//! \addtogroup podarray
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//! @{
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struct podarray_prealloc_n_elem
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{
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static const uword val = 16;
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};
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//! A lightweight array for POD types. For internal use only!
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template<typename eT>
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class podarray
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{
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public:
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arma_aligned const uword n_elem; //!< number of elements held
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arma_aligned eT* mem; //!< pointer to memory used by the object
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protected:
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//! internal memory, to avoid calling the 'new' operator for small amounts of memory.
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arma_align_mem eT mem_local[ podarray_prealloc_n_elem::val ];
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public:
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inline ~podarray();
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inline podarray();
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inline podarray (const podarray& x);
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inline const podarray& operator=(const podarray& x);
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arma_inline explicit podarray(const uword new_N);
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arma_inline explicit podarray(const eT* X, const uword new_N);
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template<typename T1>
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inline explicit podarray(const Proxy<T1>& P);
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arma_inline eT& operator[] (const uword i);
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arma_inline eT operator[] (const uword i) const;
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arma_inline eT& operator() (const uword i);
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arma_inline eT operator() (const uword i) const;
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inline void set_min_size(const uword min_n_elem);
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inline void set_size(const uword new_n_elem);
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inline void reset();
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inline void fill(const eT val);
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inline void zeros();
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inline void zeros(const uword new_n_elem);
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arma_inline eT* memptr();
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arma_inline const eT* memptr() const;
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arma_hot inline void copy_row(const Mat<eT>& A, const uword row);
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protected:
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inline void init_cold(const uword new_n_elem);
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inline void init_warm(const uword new_n_elem);
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};
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//! @}
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