Mercurial > octave
view liboctave/numeric/sparse-chol.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> |
---|---|
date | Fri, 30 Jul 2021 11:46:05 -0400 |
parents | bffdb54e78da |
children | bb9da37c0a8b |
line wrap: on
line source
//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1998-2021 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_sparse_chol_h) #define octave_sparse_chol_h 1 #include "octave-config.h" #include <memory> #include "CSparse.h" class RowVector; class SparseMatrix; class SparseComplexMatrix; namespace octave { namespace math { // If the sparse matrix classes become templated on the element type // (i.e., sparse_matrix<double>), then it might be best to make the // template parameter of this class also be the element type instead // of the matrix type. template <typename chol_type> class OCTAVE_API sparse_chol { public: sparse_chol (void); sparse_chol (const chol_type& a, bool natural, bool force); sparse_chol (const chol_type& a, octave_idx_type& info, bool natural, bool force); sparse_chol (const chol_type& a, octave_idx_type& info, bool natural); sparse_chol (const chol_type& a, octave_idx_type& info); sparse_chol (const sparse_chol<chol_type>& a) = default; virtual ~sparse_chol (void) = default; sparse_chol<chol_type>& operator = (const sparse_chol<chol_type>& a) = default; chol_type L (void) const; chol_type R (void) const { return L ().hermitian (); } octave_idx_type P (void) const; RowVector perm (void) const; SparseMatrix Q (void) const; bool is_positive_definite (void) const; double rcond (void) const; chol_type inverse (void) const; protected: typedef typename chol_type::element_type chol_elt; class sparse_chol_rep; private: std::shared_ptr<sparse_chol_rep> rep; }; template <typename chol_type> OCTAVE_API chol_type chol2inv (const chol_type& r); } } #endif