Mercurial > octave
view liboctave/numeric/qr.h @ 29931:7faff48840eb
prefer data over fortran_vec for read-only access to data
See also the discussion here: https://octave.discourse.group/t/rename-uses-of-fortran-vec-to-data-for-clarity/1439
* Array.h (const T * Array<T>::fortran_vec (void) const): Deprecate.
Change all uses to call data instead.
author | John W. Eaton <jwe@octave.org> |
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date | Fri, 30 Jul 2021 11:46:05 -0400 |
parents | 7854d5752dd2 |
children | 97378503ee0a |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1994-2021 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // This file is part of Octave. // // Octave is free software: you can redistribute it and/or modify it // under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Octave is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Octave; see the file COPYING. If not, see // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #if ! defined (octave_qr_h) #define octave_qr_h 1 #include "octave-config.h" template <typename T> class Array; namespace octave { namespace math { template <typename T> class qr { public: typedef typename T::element_type ELT_T; typedef typename T::row_vector_type RV_T; typedef typename T::column_vector_type CV_T; enum type { std, raw, economy }; qr (void) : q (), r () { } qr (const T& a, type qr_type = qr::std) : q (), r () { init (a, qr_type); } OCTAVE_API qr (const T& q, const T& r); qr (const qr& a) : q (a.q), r (a.r) { } qr& operator = (const qr& a) { if (this != &a) { q = a.q; r = a.r; } return *this; } virtual ~qr (void) = default; T Q (void) const { return q; } T R (void) const { return r; } OCTAVE_API type get_type (void) const; OCTAVE_API bool regular (void) const; OCTAVE_API void init (const T& a, type qr_type); OCTAVE_API void update (const CV_T& u, const CV_T& v); OCTAVE_API void update (const T& u, const T& v); OCTAVE_API void insert_col (const CV_T& u, octave_idx_type j); OCTAVE_API void insert_col (const T& u, const Array<octave_idx_type>& j); OCTAVE_API void delete_col (octave_idx_type j); OCTAVE_API void delete_col (const Array<octave_idx_type>& j); OCTAVE_API void insert_row (const RV_T& u, octave_idx_type j); OCTAVE_API void delete_row (octave_idx_type j); OCTAVE_API void shift_cols (octave_idx_type i, octave_idx_type j); protected: T q; T r; OCTAVE_API void form (octave_idx_type n, T& afact, ELT_T *tau, type qr_type); }; extern OCTAVE_API void warn_qrupdate_once (void); } } #endif