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 subview_field
Chris@49: //! @{
Chris@49: 
Chris@49: 
Chris@49: //! Class for storing data required to construct or apply operations to a subfield
Chris@49: //! (i.e. where the subfield starts and ends as well as a reference/pointer to the original field),
Chris@49: template<typename oT>
Chris@49: class subview_field
Chris@49:   {
Chris@49:   public:  
Chris@49:   
Chris@49:   typedef oT object_type;
Chris@49:   
Chris@49:   const field<oT>& f;
Chris@49:   
Chris@49:   const uword aux_row1;
Chris@49:   const uword aux_col1;
Chris@49:   
Chris@49:   const uword n_rows;
Chris@49:   const uword n_cols;
Chris@49:   const uword n_elem;
Chris@49:   
Chris@49:   
Chris@49:   protected:
Chris@49:   
Chris@49:   arma_inline subview_field(const field<oT>& in_f, const uword in_row1, const uword in_col1, const uword in_n_rows, const uword in_n_cols);
Chris@49:   
Chris@49:   
Chris@49:   public:
Chris@49:   
Chris@49:   inline ~subview_field();
Chris@49:   
Chris@49:   inline void operator= (const field<oT>& x);
Chris@49:   inline void operator= (const subview_field& x);
Chris@49:   
Chris@49:   arma_inline       oT& operator[](const uword i);
Chris@49:   arma_inline const oT& operator[](const uword i) const;
Chris@49:   
Chris@49:   arma_inline       oT& operator()(const uword i);
Chris@49:   arma_inline const oT& operator()(const uword i) const;
Chris@49:   
Chris@49:   arma_inline       oT&         at(const uword row, const uword col);
Chris@49:   arma_inline const oT&         at(const uword row, const uword col) const;
Chris@49:   
Chris@49:   arma_inline       oT& operator()(const uword row, const uword col);
Chris@49:   arma_inline const oT& operator()(const uword row, const uword col) const;
Chris@49:   
Chris@49:   inline bool check_overlap(const subview_field& x) const;
Chris@49:   
Chris@49:   inline static void extract(field<oT>& out, const subview_field& in);
Chris@49:   
Chris@49:   
Chris@49:   private:
Chris@49:   
Chris@49:   friend class field<oT>;
Chris@49:   
Chris@49:   
Chris@49:   subview_field();
Chris@49:   //subview_field(const subview_field&);
Chris@49:   };
Chris@49: 
Chris@49: 
Chris@49: //! @}