337 lines
15 KiB
C++
337 lines
15 KiB
C++
// 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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// Written by Ian Cullinan
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//! \addtogroup field
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//! @{
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struct field_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 1D/2D/3D container for arbitrary objects
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//! (the objects must have a copy constructor)
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template<typename oT>
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class field
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{
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public:
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typedef oT object_type;
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const uword n_rows; //!< number of rows (read-only)
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const uword n_cols; //!< number of columns (read-only)
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const uword n_slices; //!< number of slices (read-only)
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const uword n_elem; //!< number of elements (read-only)
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private:
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arma_aligned oT** mem; //!< pointers to stored objects
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arma_aligned oT* mem_local[ field_prealloc_n_elem::val ]; //!< local storage, for small fields
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public:
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inline ~field();
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inline field();
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inline field(const field& x);
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inline const field& operator=(const field& x);
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inline field(const subview_field<oT>& x);
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inline const field& operator=(const subview_field<oT>& x);
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inline explicit field(const uword n_elem_in);
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inline explicit field(const uword n_rows_in, const uword n_cols_in);
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inline explicit field(const uword n_rows_in, const uword n_cols_in, const uword n_slices_in);
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inline explicit field(const SizeMat& s);
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inline explicit field(const SizeCube& s);
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inline void set_size(const uword n_obj_in);
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inline void set_size(const uword n_rows_in, const uword n_cols_in);
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inline void set_size(const uword n_rows_in, const uword n_cols_in, const uword n_slices_in);
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inline void set_size(const SizeMat& s);
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inline void set_size(const SizeCube& s);
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#if defined(ARMA_USE_CXX11)
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inline field(const std::initializer_list<oT>& list);
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inline const field& operator=(const std::initializer_list<oT>& list);
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inline field(const std::initializer_list< std::initializer_list<oT> >& list);
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inline const field& operator=(const std::initializer_list< std::initializer_list<oT> >& list);
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inline field(field&& X);
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inline const field& operator=(field&& X);
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#endif
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template<typename oT2>
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inline void copy_size(const field<oT2>& 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& at(const uword i);
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arma_inline const oT& at(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 field_injector<field> operator<<(const oT& val);
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inline field_injector<field> operator<<(const injector_end_of_row<>& x);
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inline subview_field<oT> row(const uword row_num);
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inline const subview_field<oT> row(const uword row_num) const;
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inline subview_field<oT> col(const uword col_num);
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inline const subview_field<oT> col(const uword col_num) const;
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inline subview_field<oT> slice(const uword slice_num);
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inline const subview_field<oT> slice(const uword slice_num) const;
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inline subview_field<oT> rows(const uword in_row1, const uword in_row2);
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inline const subview_field<oT> rows(const uword in_row1, const uword in_row2) const;
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inline subview_field<oT> cols(const uword in_col1, const uword in_col2);
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inline const subview_field<oT> cols(const uword in_col1, const uword in_col2) const;
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inline subview_field<oT> slices(const uword in_slice1, const uword in_slice2);
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inline const subview_field<oT> slices(const uword in_slice1, const uword in_slice2) const;
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inline subview_field<oT> subfield(const uword in_row1, const uword in_col1, const uword in_row2, const uword in_col2);
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inline const subview_field<oT> subfield(const uword in_row1, const uword in_col1, const uword in_row2, const uword in_col2) const;
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inline subview_field<oT> subfield(const uword in_row1, const uword in_col1, const uword in_slice1, const uword in_row2, const uword in_col2, const uword in_slice2);
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inline const subview_field<oT> subfield(const uword in_row1, const uword in_col1, const uword in_slice1, const uword in_row2, const uword in_col2, const uword in_slice2) const;
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inline subview_field<oT> subfield(const uword in_row1, const uword in_col1, const SizeMat& s);
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inline const subview_field<oT> subfield(const uword in_row1, const uword in_col1, const SizeMat& s) const;
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inline subview_field<oT> subfield(const uword in_row1, const uword in_col1, const uword in_slice1, const SizeCube& s);
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inline const subview_field<oT> subfield(const uword in_row1, const uword in_col1, const uword in_slice1, const SizeCube& s) const;
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inline subview_field<oT> subfield(const span& row_span, const span& col_span);
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inline const subview_field<oT> subfield(const span& row_span, const span& col_span) const;
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inline subview_field<oT> subfield(const span& row_span, const span& col_span, const span& slice_span);
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inline const subview_field<oT> subfield(const span& row_span, const span& col_span, const span& slice_span) const;
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inline subview_field<oT> operator()(const span& row_span, const span& col_span);
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inline const subview_field<oT> operator()(const span& row_span, const span& col_span) const;
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inline subview_field<oT> operator()(const span& row_span, const span& col_span, const span& slice_span);
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inline const subview_field<oT> operator()(const span& row_span, const span& col_span, const span& slice_span) const;
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inline subview_field<oT> operator()(const uword in_row1, const uword in_col1, const SizeMat& s);
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inline const subview_field<oT> operator()(const uword in_row1, const uword in_col1, const SizeMat& s) const;
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inline subview_field<oT> operator()(const uword in_row1, const uword in_col1, const uword in_slice1, const SizeCube& s);
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inline const subview_field<oT> operator()(const uword in_row1, const uword in_col1, const uword in_slice1, const SizeCube& s) 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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#if defined(ARMA_USE_CXX11)
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inline const field& for_each(const std::function< void( oT&) >& F);
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inline const field& for_each(const std::function< void(const oT&) >& F) const;
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#else
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template<typename functor> inline const field& for_each(functor F);
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template<typename functor> inline const field& for_each(functor F) const;
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#endif
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inline const field& fill(const oT& x);
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inline void reset();
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inline void reset_objects();
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arma_inline bool is_empty() const;
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arma_inline arma_warn_unused bool in_range(const uword i) const;
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arma_inline arma_warn_unused bool in_range(const span& x) const;
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arma_inline arma_warn_unused bool in_range(const uword in_row, const uword in_col) const;
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arma_inline arma_warn_unused bool in_range(const span& row_span, const uword in_col) const;
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arma_inline arma_warn_unused bool in_range(const uword in_row, const span& col_span) const;
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arma_inline arma_warn_unused bool in_range(const span& row_span, const span& col_span) const;
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arma_inline arma_warn_unused bool in_range(const uword in_row, const uword in_col, const SizeMat& s) const;
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arma_inline arma_warn_unused bool in_range(const uword in_row, const uword in_col, const uword in_slice) const;
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arma_inline arma_warn_unused bool in_range(const span& row_span, const span& col_span, const span& slice_span) const;
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arma_inline arma_warn_unused bool in_range(const uword in_row, const uword in_col, const uword in_slice, const SizeCube& s) const;
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inline bool save(const std::string name, const file_type type = arma_binary, const bool print_status = true) const;
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inline bool save( std::ostream& os, const file_type type = arma_binary, const bool print_status = true) const;
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inline bool load(const std::string name, const file_type type = auto_detect, const bool print_status = true);
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inline bool load( std::istream& is, const file_type type = auto_detect, const bool print_status = true);
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inline bool quiet_save(const std::string name, const file_type type = arma_binary) const;
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inline bool quiet_save( std::ostream& os, const file_type type = arma_binary) const;
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inline bool quiet_load(const std::string name, const file_type type = auto_detect);
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inline bool quiet_load( std::istream& is, const file_type type = auto_detect);
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// for container-like functionality
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typedef oT value_type;
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typedef uword size_type;
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class iterator
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{
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public:
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inline iterator(field<oT>& in_M, const bool at_end = false);
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inline oT& operator* ();
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inline iterator& operator++();
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inline void operator++(int);
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inline iterator& operator--();
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inline void operator--(int);
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inline bool operator!=(const iterator& X) const;
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inline bool operator==(const iterator& X) const;
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arma_aligned field<oT>& M;
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arma_aligned uword i;
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};
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class const_iterator
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{
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public:
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const_iterator(const field<oT>& in_M, const bool at_end = false);
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const_iterator(const iterator& X);
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inline const oT& operator*() const;
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inline const_iterator& operator++();
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inline void operator++(int);
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inline const_iterator& operator--();
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inline void operator--(int);
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inline bool operator!=(const const_iterator& X) const;
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inline bool operator==(const const_iterator& X) const;
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arma_aligned const field<oT>& M;
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arma_aligned uword i;
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};
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inline iterator begin();
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inline const_iterator begin() const;
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inline const_iterator cbegin() const;
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inline iterator end();
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inline const_iterator end() const;
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inline const_iterator cend() const;
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inline void clear();
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inline bool empty() const;
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inline uword size() const;
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private:
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inline void init(const field<oT>& x);
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inline void init(const uword n_rows_in, const uword n_cols_in);
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inline void init(const uword n_rows_in, const uword n_cols_in, const uword n_slices_in);
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inline void delete_objects();
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inline void create_objects();
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friend class field_aux;
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friend class subview_field<oT>;
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public:
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#ifdef ARMA_EXTRA_FIELD_PROTO
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#include ARMA_INCFILE_WRAP(ARMA_EXTRA_FIELD_PROTO)
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#endif
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};
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class field_aux
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{
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public:
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template<typename oT> inline static void reset_objects(field< oT >& x);
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template<typename eT> inline static void reset_objects(field< Mat<eT> >& x);
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template<typename eT> inline static void reset_objects(field< Col<eT> >& x);
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template<typename eT> inline static void reset_objects(field< Row<eT> >& x);
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template<typename eT> inline static void reset_objects(field< Cube<eT> >& x);
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inline static void reset_objects(field< std::string >& x);
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template<typename oT> inline static bool save(const field< oT >& x, const std::string& name, const file_type type, std::string& err_msg);
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template<typename oT> inline static bool save(const field< oT >& x, std::ostream& os, const file_type type, std::string& err_msg);
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template<typename oT> inline static bool load( field< oT >& x, const std::string& name, const file_type type, std::string& err_msg);
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template<typename oT> inline static bool load( field< oT >& x, std::istream& is, const file_type type, std::string& err_msg);
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template<typename eT> inline static bool save(const field< Mat<eT> >& x, const std::string& name, const file_type type, std::string& err_msg);
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template<typename eT> inline static bool save(const field< Mat<eT> >& x, std::ostream& os, const file_type type, std::string& err_msg);
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template<typename eT> inline static bool load( field< Mat<eT> >& x, const std::string& name, const file_type type, std::string& err_msg);
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template<typename eT> inline static bool load( field< Mat<eT> >& x, std::istream& is, const file_type type, std::string& err_msg);
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template<typename eT> inline static bool save(const field< Col<eT> >& x, const std::string& name, const file_type type, std::string& err_msg);
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template<typename eT> inline static bool save(const field< Col<eT> >& x, std::ostream& os, const file_type type, std::string& err_msg);
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template<typename eT> inline static bool load( field< Col<eT> >& x, const std::string& name, const file_type type, std::string& err_msg);
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template<typename eT> inline static bool load( field< Col<eT> >& x, std::istream& is, const file_type type, std::string& err_msg);
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template<typename eT> inline static bool save(const field< Row<eT> >& x, const std::string& name, const file_type type, std::string& err_msg);
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template<typename eT> inline static bool save(const field< Row<eT> >& x, std::ostream& os, const file_type type, std::string& err_msg);
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template<typename eT> inline static bool load( field< Row<eT> >& x, const std::string& name, const file_type type, std::string& err_msg);
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template<typename eT> inline static bool load( field< Row<eT> >& x, std::istream& is, const file_type type, std::string& err_msg);
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template<typename eT> inline static bool save(const field< Cube<eT> >& x, const std::string& name, const file_type type, std::string& err_msg);
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template<typename eT> inline static bool save(const field< Cube<eT> >& x, std::ostream& os, const file_type type, std::string& err_msg);
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template<typename eT> inline static bool load( field< Cube<eT> >& x, const std::string& name, const file_type type, std::string& err_msg);
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template<typename eT> inline static bool load( field< Cube<eT> >& x, std::istream& is, const file_type type, std::string& err_msg);
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inline static bool save(const field< std::string >& x, const std::string& name, const file_type type, std::string& err_msg);
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inline static bool save(const field< std::string >& x, std::ostream& os, const file_type type, std::string& err_msg);
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inline static bool load( field< std::string >& x, const std::string& name, const file_type type, std::string& err_msg);
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inline static bool load( field< std::string >& x, std::istream& is, const file_type type, std::string& err_msg);
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};
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//! @}
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