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- // Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
- // Copyright 2008-2016 National ICT Australia (NICTA)
- //
- // Licensed under the Apache License, Version 2.0 (the "License");
- // you may not use this file except in compliance with the License.
- // You may obtain a copy of the License at
- // http://www.apache.org/licenses/LICENSE-2.0
- //
- // Unless required by applicable law or agreed to in writing, software
- // distributed under the License is distributed on an "AS IS" BASIS,
- // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- // See the License for the specific language governing permissions and
- // limitations under the License.
- // ------------------------------------------------------------------------
- //! \addtogroup Row
- //! @{
- //! Class for row vectors (matrices with only one row)
- template<typename eT>
- class Row : public Mat<eT>
- {
- public:
-
- typedef eT elem_type;
- typedef typename get_pod_type<eT>::result pod_type;
-
- static const bool is_col = false;
- static const bool is_row = true;
- static const bool is_xvec = false;
-
- inline Row();
- inline Row(const Row<eT>& X);
- inline explicit Row(const uword N);
- inline explicit Row(const uword in_rows, const uword in_cols);
- inline explicit Row(const SizeMat& s);
-
- template<typename fill_type> inline Row(const uword n_elem, const fill::fill_class<fill_type>& f);
- template<typename fill_type> inline Row(const uword in_rows, const uword in_cols, const fill::fill_class<fill_type>& f);
- template<typename fill_type> inline Row(const SizeMat& s, const fill::fill_class<fill_type>& f);
-
- inline Row(const char* text);
- inline Row& operator=(const char* text);
-
- inline Row(const std::string& text);
- inline Row& operator=(const std::string& text);
-
- inline Row(const std::vector<eT>& x);
- inline Row& operator=(const std::vector<eT>& x);
-
- #if defined(ARMA_USE_CXX11)
- inline Row(const std::initializer_list<eT>& list);
- inline Row& operator=(const std::initializer_list<eT>& list);
-
- inline Row(Row&& m);
- inline Row& operator=(Row&& m);
- #endif
-
- inline Row& operator=(const eT val);
- inline Row& operator=(const Row& X);
-
- template<typename T1> inline Row(const Base<eT,T1>& X);
- template<typename T1> inline Row& operator=(const Base<eT,T1>& X);
-
- template<typename T1> inline explicit Row(const SpBase<eT,T1>& X);
- template<typename T1> inline Row& operator=(const SpBase<eT,T1>& X);
-
- inline Row( eT* aux_mem, const uword aux_length, const bool copy_aux_mem = true, const bool strict = false);
- inline Row(const eT* aux_mem, const uword aux_length);
-
- template<typename T1, typename T2>
- inline explicit Row(const Base<pod_type,T1>& A, const Base<pod_type,T2>& B);
-
- template<typename T1> inline Row(const BaseCube<eT,T1>& X);
- template<typename T1> inline Row& operator=(const BaseCube<eT,T1>& X);
-
- inline Row(const subview_cube<eT>& X);
- inline Row& operator=(const subview_cube<eT>& X);
-
- inline mat_injector<Row> operator<<(const eT val);
-
- arma_inline const Op<Row<eT>,op_htrans> t() const;
- arma_inline const Op<Row<eT>,op_htrans> ht() const;
- arma_inline const Op<Row<eT>,op_strans> st() const;
-
- arma_inline const Op<Row<eT>,op_strans> as_col() const;
-
- arma_inline subview_row<eT> col(const uword col_num);
- arma_inline const subview_row<eT> col(const uword col_num) const;
-
- using Mat<eT>::cols;
- using Mat<eT>::operator();
-
- arma_inline subview_row<eT> cols(const uword in_col1, const uword in_col2);
- arma_inline const subview_row<eT> cols(const uword in_col1, const uword in_col2) const;
-
- arma_inline subview_row<eT> subvec(const uword in_col1, const uword in_col2);
- arma_inline const subview_row<eT> subvec(const uword in_col1, const uword in_col2) const;
-
- arma_inline subview_row<eT> cols(const span& col_span);
- arma_inline const subview_row<eT> cols(const span& col_span) const;
-
- arma_inline subview_row<eT> subvec(const span& col_span);
- arma_inline const subview_row<eT> subvec(const span& col_span) const;
-
- arma_inline subview_row<eT> operator()(const span& col_span);
- arma_inline const subview_row<eT> operator()(const span& col_span) const;
-
- arma_inline subview_row<eT> subvec(const uword start_col, const SizeMat& s);
- arma_inline const subview_row<eT> subvec(const uword start_col, const SizeMat& s) const;
-
- arma_inline subview_row<eT> head(const uword N);
- arma_inline const subview_row<eT> head(const uword N) const;
-
- arma_inline subview_row<eT> tail(const uword N);
- arma_inline const subview_row<eT> tail(const uword N) const;
-
- arma_inline subview_row<eT> head_cols(const uword N);
- arma_inline const subview_row<eT> head_cols(const uword N) const;
-
- arma_inline subview_row<eT> tail_cols(const uword N);
- arma_inline const subview_row<eT> tail_cols(const uword N) const;
-
-
- inline void shed_col (const uword col_num);
- inline void shed_cols(const uword in_col1, const uword in_col2);
-
- template<typename T1> inline void shed_cols(const Base<uword, T1>& indices);
-
- inline void insert_cols(const uword col_num, const uword N, const bool set_to_zero = true);
- template<typename T1> inline void insert_cols(const uword col_num, const Base<eT,T1>& X);
-
-
- arma_inline arma_warn_unused eT& at(const uword i);
- arma_inline arma_warn_unused const eT& at(const uword i) const;
-
- arma_inline arma_warn_unused eT& at(const uword in_row, const uword in_col);
- arma_inline arma_warn_unused const eT& at(const uword in_row, const uword in_col) const;
-
-
- typedef eT* row_iterator;
- typedef const eT* const_row_iterator;
-
- inline row_iterator begin_row(const uword row_num);
- inline const_row_iterator begin_row(const uword row_num) const;
-
- inline row_iterator end_row (const uword row_num);
- inline const_row_iterator end_row (const uword row_num) const;
-
-
- template<uword fixed_n_elem> class fixed;
-
-
- protected:
-
- inline Row(const arma_fixed_indicator&, const uword in_n_elem, const eT* in_mem);
-
-
- public:
-
- #ifdef ARMA_EXTRA_ROW_PROTO
- #include ARMA_INCFILE_WRAP(ARMA_EXTRA_ROW_PROTO)
- #endif
- };
- template<typename eT>
- template<uword fixed_n_elem>
- class Row<eT>::fixed : public Row<eT>
- {
- private:
-
- static const bool use_extra = (fixed_n_elem > arma_config::mat_prealloc);
-
- arma_align_mem eT mem_local_extra[ (use_extra) ? fixed_n_elem : 1 ];
-
-
- public:
-
- typedef fixed<fixed_n_elem> Row_fixed_type;
-
- typedef eT elem_type;
- typedef typename get_pod_type<eT>::result pod_type;
-
- static const bool is_col = false;
- static const bool is_row = true;
- static const bool is_xvec = false;
-
- static const uword n_rows; // value provided below the class definition
- static const uword n_cols; // value provided below the class definition
- static const uword n_elem; // value provided below the class definition
-
- arma_inline fixed();
- arma_inline fixed(const fixed<fixed_n_elem>& X);
- inline fixed(const subview_cube<eT>& X);
-
- template<typename fill_type> inline fixed(const fill::fill_class<fill_type>& f);
- template<typename T1> inline fixed(const Base<eT,T1>& A);
- template<typename T1, typename T2> inline fixed(const Base<pod_type,T1>& A, const Base<pod_type,T2>& B);
-
- inline fixed(const eT* aux_mem);
-
- inline fixed(const char* text);
- inline fixed(const std::string& text);
-
- template<typename T1> inline Row& operator=(const Base<eT,T1>& A);
-
- inline Row& operator=(const eT val);
- inline Row& operator=(const char* text);
- inline Row& operator=(const std::string& text);
- inline Row& operator=(const subview_cube<eT>& X);
-
- using Row<eT>::operator();
-
- #if defined(ARMA_USE_CXX11)
- inline fixed(const std::initializer_list<eT>& list);
- inline Row& operator=(const std::initializer_list<eT>& list);
- #endif
-
- arma_inline Row& operator=(const fixed<fixed_n_elem>& X);
-
- #if defined(ARMA_GOOD_COMPILER)
- template<typename T1, typename eop_type> inline Row& operator=(const eOp<T1, eop_type>& X);
- template<typename T1, typename T2, typename eglue_type> inline Row& operator=(const eGlue<T1, T2, eglue_type>& X);
- #endif
-
- arma_inline const Op< Row_fixed_type, op_htrans > t() const;
- arma_inline const Op< Row_fixed_type, op_htrans > ht() const;
- arma_inline const Op< Row_fixed_type, op_strans > st() const;
-
- arma_inline arma_warn_unused const eT& at_alt (const uword i) const;
-
- arma_inline arma_warn_unused eT& operator[] (const uword i);
- arma_inline arma_warn_unused const eT& operator[] (const uword i) const;
- arma_inline arma_warn_unused eT& at (const uword i);
- arma_inline arma_warn_unused const eT& at (const uword i) const;
- arma_inline arma_warn_unused eT& operator() (const uword i);
- arma_inline arma_warn_unused const eT& operator() (const uword i) const;
-
- arma_inline arma_warn_unused eT& at (const uword in_row, const uword in_col);
- arma_inline arma_warn_unused const eT& at (const uword in_row, const uword in_col) const;
- arma_inline arma_warn_unused eT& operator() (const uword in_row, const uword in_col);
- arma_inline arma_warn_unused const eT& operator() (const uword in_row, const uword in_col) const;
-
- arma_inline arma_warn_unused eT* memptr();
- arma_inline arma_warn_unused const eT* memptr() const;
-
- arma_hot inline const Row<eT>& fill(const eT val);
- arma_hot inline const Row<eT>& zeros();
- arma_hot inline const Row<eT>& ones();
- };
- // these definitions are outside of the class due to bizarre C++ rules;
- // C++17 has inline variables to address this shortcoming
- template<typename eT>
- template<uword fixed_n_elem>
- const uword Row<eT>::fixed<fixed_n_elem>::n_rows = 1u;
- template<typename eT>
- template<uword fixed_n_elem>
- const uword Row<eT>::fixed<fixed_n_elem>::n_cols = fixed_n_elem;
- template<typename eT>
- template<uword fixed_n_elem>
- const uword Row<eT>::fixed<fixed_n_elem>::n_elem = fixed_n_elem;
- //! @}
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