91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
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// Copyright (C) 2008-2015 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 subview_field
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//! @{
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//! Class for storing data required to construct or apply operations to a subfield
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//! (i.e. where the subfield starts and ends as well as a reference/pointer to the original field),
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template<typename oT>
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class subview_field
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{
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public:
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typedef oT object_type;
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const field<oT>& f;
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const uword aux_row1;
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const uword aux_col1;
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const uword aux_slice1;
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const uword n_rows;
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const uword n_cols;
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const uword n_slices;
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const uword n_elem;
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protected:
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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);
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arma_inline subview_field(const field<oT>& in_f, const uword in_row1, const uword in_col1, const uword in_slice1, const uword in_n_rows, const uword in_n_cols, const uword in_n_slices);
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public:
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inline ~subview_field();
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inline void operator= (const field<oT>& x);
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inline void operator= (const subview_field& x);
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arma_inline oT& operator[](const uword i);
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arma_inline const oT& operator[](const uword i) const;
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arma_inline oT& operator()(const uword i);
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arma_inline const oT& operator()(const uword i) const;
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arma_inline oT& at(const uword row, const uword col);
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arma_inline const oT& at(const uword row, const uword col) const;
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arma_inline oT& at(const uword row, const uword col, const uword slice);
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arma_inline const oT& at(const uword row, const uword col, const uword slice) const;
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arma_inline oT& operator()(const uword row, const uword col);
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arma_inline const oT& operator()(const uword row, const uword col) const;
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arma_inline oT& operator()(const uword row, const uword col, const uword slice);
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arma_inline const oT& operator()(const uword row, const uword col, const uword slice) const;
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inline bool check_overlap(const subview_field& x) const;
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inline void print(const std::string extra_text = "") const;
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inline void print(std::ostream& user_stream, const std::string extra_text = "") const;
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template<typename functor> inline void for_each(functor F);
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template<typename functor> inline void for_each(functor F) const;
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inline void fill(const oT& x);
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inline static void extract(field<oT>& out, const subview_field& in);
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private:
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friend class field<oT>;
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subview_field();
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//subview_field(const subview_field&);
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};
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//! @}
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