141 lines
5.0 KiB
C++
141 lines
5.0 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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//! \addtogroup subview_cube
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//! @{
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//! Class for storing data required to construct or apply operations to a subcube
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//! (i.e. where the subcube starts and ends as well as a reference/pointer to the original cube),
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template<typename eT>
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class subview_cube : public BaseCube<eT, subview_cube<eT> >
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{
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public:
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typedef eT elem_type;
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typedef typename get_pod_type<elem_type>::result pod_type;
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arma_aligned const Cube<eT>& m;
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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_elem_slice;
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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_cube(const Cube<eT>& in_m, 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_cube();
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inline void operator= (const eT val);
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inline void operator+= (const eT val);
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inline void operator-= (const eT val);
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inline void operator*= (const eT val);
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inline void operator/= (const eT val);
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// deliberately returning void
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template<typename T1> inline void operator= (const BaseCube<eT,T1>& x);
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template<typename T1> inline void operator+= (const BaseCube<eT,T1>& x);
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template<typename T1> inline void operator-= (const BaseCube<eT,T1>& x);
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template<typename T1> inline void operator%= (const BaseCube<eT,T1>& x);
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template<typename T1> inline void operator/= (const BaseCube<eT,T1>& x);
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inline void operator= (const subview_cube& x);
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inline void operator+= (const subview_cube& x);
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inline void operator-= (const subview_cube& x);
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inline void operator%= (const subview_cube& x);
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inline void operator/= (const subview_cube& x);
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template<typename T1> inline void operator= (const Base<eT,T1>& x);
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template<typename T1> inline void operator+= (const Base<eT,T1>& x);
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template<typename T1> inline void operator-= (const Base<eT,T1>& x);
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template<typename T1> inline void operator%= (const Base<eT,T1>& x);
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template<typename T1> inline void operator/= (const Base<eT,T1>& x);
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inline static void extract(Cube<eT>& out, const subview_cube& in);
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inline static void plus_inplace(Cube<eT>& out, const subview_cube& in);
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inline static void minus_inplace(Cube<eT>& out, const subview_cube& in);
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inline static void schur_inplace(Cube<eT>& out, const subview_cube& in);
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inline static void div_inplace(Cube<eT>& out, const subview_cube& in);
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inline static void extract(Mat<eT>& out, const subview_cube& in);
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inline static void plus_inplace(Mat<eT>& out, const subview_cube& in);
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inline static void minus_inplace(Mat<eT>& out, const subview_cube& in);
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inline static void schur_inplace(Mat<eT>& out, const subview_cube& in);
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inline static void div_inplace(Mat<eT>& out, const subview_cube& in);
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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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template<typename functor> inline void transform(functor F);
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template<typename functor> inline void imbue(functor F);
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#if defined(ARMA_USE_CXX11)
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inline void each_slice(const std::function< void( Mat<eT>&) >& F);
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inline void each_slice(const std::function< void(const Mat<eT>&) >& F) const;
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#endif
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inline void fill(const eT val);
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inline void zeros();
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inline void ones();
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inline void randu();
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inline void randn();
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inline arma_warn_unused bool is_finite() const;
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inline arma_warn_unused bool has_inf() const;
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inline arma_warn_unused bool has_nan() const;
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inline arma_warn_unused eT min() const;
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inline arma_warn_unused eT max() const;
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inline eT at_alt (const uword i) const;
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inline eT& operator[](const uword i);
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inline eT operator[](const uword i) const;
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inline eT& operator()(const uword i);
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inline eT operator()(const uword i) const;
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arma_inline eT& operator()(const uword in_row, const uword in_col, const uword in_slice);
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arma_inline eT operator()(const uword in_row, const uword in_col, const uword in_slice) const;
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arma_inline eT& at(const uword in_row, const uword in_col, const uword in_slice);
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arma_inline eT at(const uword in_row, const uword in_col, const uword in_slice) const;
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arma_inline eT* slice_colptr(const uword in_slice, const uword in_col);
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arma_inline const eT* slice_colptr(const uword in_slice, const uword in_col) const;
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inline bool check_overlap(const subview_cube& x) const;
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inline bool check_overlap(const Mat<eT>& x) const;
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private:
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friend class Mat<eT>;
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friend class Cube<eT>;
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subview_cube();
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};
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//! @}
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