Chris@49: // Copyright (C) 2008-2012 NICTA (www.nicta.com.au)
Chris@49: // Copyright (C) 2008-2012 Conrad Sanderson
Chris@49: // 
Chris@49: // This Source Code Form is subject to the terms of the Mozilla Public
Chris@49: // License, v. 2.0. If a copy of the MPL was not distributed with this
Chris@49: // file, You can obtain one at http://mozilla.org/MPL/2.0/.
Chris@49: 
Chris@49: 
Chris@49: //! \addtogroup podarray
Chris@49: //! @{
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: struct podarray_prealloc_n_elem
Chris@49:   {
Chris@49:   static const uword val = 16;
Chris@49:   };
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: //! A lightweight array for POD types. For internal use only!
Chris@49: template<typename eT>
Chris@49: class podarray
Chris@49:   {
Chris@49:   public:
Chris@49:   
Chris@49:   arma_aligned const uword n_elem; //!< number of elements held
Chris@49:   arma_aligned       eT*   mem;    //!< pointer to memory used by the object
Chris@49:   
Chris@49:   
Chris@49:   protected:
Chris@49:   //! internal memory, to avoid calling the 'new' operator for small amounts of memory.
Chris@49:   arma_align_mem eT mem_local[ podarray_prealloc_n_elem::val ];
Chris@49:   
Chris@49:   
Chris@49:   public:
Chris@49:   
Chris@49:   inline ~podarray();
Chris@49:   inline  podarray();
Chris@49:   
Chris@49:   inline                 podarray (const podarray& x);
Chris@49:   inline const podarray& operator=(const podarray& x);
Chris@49:   
Chris@49:   arma_inline explicit podarray(const uword new_N);
Chris@49:   
Chris@49:   arma_inline explicit podarray(const eT* X, const uword new_N);
Chris@49:   
Chris@49:   template<typename T1>
Chris@49:   inline explicit podarray(const Proxy<T1>& P);
Chris@49:   
Chris@49:   arma_inline eT& operator[] (const uword i);
Chris@49:   arma_inline eT  operator[] (const uword i) const;
Chris@49:   
Chris@49:   arma_inline eT& operator() (const uword i);
Chris@49:   arma_inline eT  operator() (const uword i) const;
Chris@49:   
Chris@49:   inline void set_min_size(const uword min_n_elem);
Chris@49:   
Chris@49:   inline void set_size(const uword new_n_elem);
Chris@49:   inline void reset();
Chris@49:   
Chris@49:   
Chris@49:   inline void fill(const eT val);
Chris@49:   
Chris@49:   inline void zeros();
Chris@49:   inline void zeros(const uword new_n_elem);
Chris@49:   
Chris@49:   arma_inline       eT* memptr();
Chris@49:   arma_inline const eT* memptr() const;
Chris@49:   
Chris@49:   arma_hot inline void copy_row(const Mat<eT>& A, const uword row);
Chris@49:   
Chris@49:   
Chris@49:   protected:
Chris@49:   
Chris@49:   inline void init_cold(const uword new_n_elem);
Chris@49:   inline void init_warm(const uword new_n_elem);
Chris@49:   };
Chris@49: 
Chris@49: 
Chris@49: 
Chris@49: //! @}