248 lines
7.6 KiB
C++
248 lines
7.6 KiB
C++
// SPDX-License-Identifier: Apache-2.0
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//
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// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
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// Copyright 2008-2016 National ICT Australia (NICTA)
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// ------------------------------------------------------------------------
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//! \addtogroup MapMat
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//! @{
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// this class is for internal use only; subject to change and/or removal without notice
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template<typename eT>
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class MapMat
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{
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public:
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typedef eT elem_type; //!< the type of elements stored in the matrix
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typedef typename get_pod_type<eT>::result pod_type; //!< if eT is std::complex<T>, pod_type is T; otherwise pod_type is eT
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static constexpr bool is_row = false;
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static constexpr bool is_col = false;
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static constexpr bool is_xvec = false;
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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_elem; //!< number of elements (read-only)
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private:
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typedef typename std::map<uword, eT> map_type;
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arma_aligned map_type* map_ptr;
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public:
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inline ~MapMat();
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inline MapMat();
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inline explicit MapMat(const uword in_n_rows, const uword in_n_cols);
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inline explicit MapMat(const SizeMat& s);
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inline MapMat(const MapMat<eT>& x);
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inline void operator=(const MapMat<eT>& x);
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inline explicit MapMat(const SpMat<eT>& x);
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inline void operator=(const SpMat<eT>& x);
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inline MapMat(MapMat<eT>&& x);
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inline void operator=(MapMat<eT>&& x);
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inline void reset();
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inline void set_size(const uword in_n_rows);
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inline void set_size(const uword in_n_rows, const uword in_n_cols);
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inline void set_size(const SizeMat& s);
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inline void zeros();
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inline void zeros(const uword in_n_rows);
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inline void zeros(const uword in_n_rows, const uword in_n_cols);
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inline void zeros(const SizeMat& s);
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inline void eye();
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inline void eye(const uword in_n_rows, const uword in_n_cols);
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inline void eye(const SizeMat& s);
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inline void speye();
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inline void speye(const uword in_n_rows, const uword in_n_cols);
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inline void speye(const SizeMat& s);
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arma_inline arma_warn_unused MapMat_val<eT> operator[](const uword index);
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inline arma_warn_unused eT operator[](const uword index) const;
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arma_inline arma_warn_unused MapMat_val<eT> operator()(const uword index);
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inline arma_warn_unused eT operator()(const uword index) const;
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arma_inline arma_warn_unused MapMat_val<eT> at(const uword in_row, const uword in_col);
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inline arma_warn_unused eT at(const uword in_row, const uword in_col) const;
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arma_inline arma_warn_unused MapMat_val<eT> operator()(const uword in_row, const uword in_col);
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inline arma_warn_unused eT operator()(const uword in_row, const uword in_col) const;
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inline arma_warn_unused bool is_empty() const;
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inline arma_warn_unused bool is_vec() const;
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inline arma_warn_unused bool is_rowvec() const;
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inline arma_warn_unused bool is_colvec() const;
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inline arma_warn_unused bool is_square() const;
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inline void sprandu(const uword in_n_rows, const uword in_n_cols, const double density);
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inline void print(const std::string& extra_text) const;
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inline uword get_n_nonzero() const;
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inline void get_locval_format(umat& locs, Col<eT>& vals) const;
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private:
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inline void init_cold();
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inline void init_warm(const uword in_n_rows, const uword in_n_cols);
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arma_inline void set_val(const uword index, const eT& in_val);
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inline void erase_val(const uword index);
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friend class SpMat<eT>;
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friend class MapMat_val<eT>;
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friend class SpMat_MapMat_val<eT>;
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friend class SpSubview_MapMat_val<eT>;
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};
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template<typename eT>
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class MapMat_val
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{
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private:
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arma_aligned MapMat<eT>& parent;
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arma_aligned const uword index;
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inline MapMat_val(MapMat<eT>& in_parent, const uword in_index);
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friend class MapMat<eT>;
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public:
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arma_inline operator eT() const;
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arma_inline typename get_pod_type<eT>::result real() const;
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arma_inline typename get_pod_type<eT>::result imag() const;
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arma_inline void operator= (const MapMat_val<eT>& x);
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arma_inline void operator= (const eT in_val);
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arma_inline void operator+=(const eT in_val);
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arma_inline void operator-=(const eT in_val);
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arma_inline void operator*=(const eT in_val);
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arma_inline void operator/=(const eT in_val);
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arma_inline void operator++();
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arma_inline void operator++(int);
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arma_inline void operator--();
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arma_inline void operator--(int);
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};
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template<typename eT>
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class SpMat_MapMat_val
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{
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private:
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arma_aligned SpMat<eT>& s_parent;
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arma_aligned MapMat<eT>& m_parent;
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arma_aligned const uword row;
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arma_aligned const uword col;
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inline SpMat_MapMat_val(SpMat<eT>& in_s_parent, MapMat<eT>& in_m_parent, const uword in_row, const uword in_col);
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friend class SpMat<eT>;
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friend class MapMat<eT>;
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friend class SpSubview_MapMat_val<eT>;
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public:
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inline operator eT() const;
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inline typename get_pod_type<eT>::result real() const;
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inline typename get_pod_type<eT>::result imag() const;
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inline SpMat_MapMat_val<eT>& operator= (const SpMat_MapMat_val<eT>& x);
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inline SpMat_MapMat_val<eT>& operator= (const eT in_val);
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inline SpMat_MapMat_val<eT>& operator+=(const eT in_val);
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inline SpMat_MapMat_val<eT>& operator-=(const eT in_val);
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inline SpMat_MapMat_val<eT>& operator*=(const eT in_val);
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inline SpMat_MapMat_val<eT>& operator/=(const eT in_val);
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inline SpMat_MapMat_val<eT>& operator++();
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inline arma_warn_unused eT operator++(int);
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inline SpMat_MapMat_val<eT>& operator--();
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inline arma_warn_unused eT operator--(int);
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inline void set(const eT in_val);
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inline void add(const eT in_val);
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inline void sub(const eT in_val);
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inline void mul(const eT in_val);
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inline void div(const eT in_val);
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};
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template<typename eT>
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class SpSubview_MapMat_val : public SpMat_MapMat_val<eT>
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{
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private:
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arma_inline SpSubview_MapMat_val(SpSubview<eT>& in_sv_parent, MapMat<eT>& in_m_parent, const uword in_row, const uword in_col);
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arma_aligned SpSubview<eT>& sv_parent;
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friend class SpMat<eT>;
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friend class MapMat<eT>;
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friend class SpSubview<eT>;
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friend class SpMat_MapMat_val<eT>;
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public:
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inline SpSubview_MapMat_val<eT>& operator= (const SpSubview_MapMat_val<eT>& x);
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inline SpSubview_MapMat_val<eT>& operator= (const eT in_val);
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inline SpSubview_MapMat_val<eT>& operator+=(const eT in_val);
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inline SpSubview_MapMat_val<eT>& operator-=(const eT in_val);
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inline SpSubview_MapMat_val<eT>& operator*=(const eT in_val);
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inline SpSubview_MapMat_val<eT>& operator/=(const eT in_val);
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inline SpSubview_MapMat_val<eT>& operator++();
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inline arma_warn_unused eT operator++(int);
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inline SpSubview_MapMat_val<eT>& operator--();
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inline arma_warn_unused eT operator--(int);
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};
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//! @}
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