Mercurial > octave
view liboctave/numeric/schur.h @ 32633:4b601ca024d5
maint: merge stable to default
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Fri, 22 Dec 2023 12:14:08 -0500 |
parents | ae4e19c0a2b1 2e484f9f1f18 |
children |
line wrap: on
line source
//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1994-2024 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_schur_h) #define octave_schur_h 1 #include "octave-config.h" #include <string> // FIXME: Don't really need these for compiling schur.h, but it messes // up compilation in liboctave/array if these are not present. #include "CMatrix.h" #include "dMatrix.h" #include "fCMatrix.h" #include "fMatrix.h" OCTAVE_BEGIN_NAMESPACE(octave) OCTAVE_BEGIN_NAMESPACE(math) template <typename T> class schur { public: schur () : m_schur_mat (), m_unitary_schur_mat () { } schur (const T& a, const std::string& ord, bool calc_unitary = true) : m_schur_mat (), m_unitary_schur_mat () { init (a, ord, calc_unitary); } schur (const T& a, const std::string& ord, octave_f77_int_type& info, bool calc_unitary = true) : m_schur_mat (), m_unitary_schur_mat () { info = init (a, ord, calc_unitary); } // This one should really be protected or private but we need it in // rsf2csf and I don't see how to make that function a friend of // this class. schur (const T& s, const T& u) : m_schur_mat (s), m_unitary_schur_mat (u) { } schur (const schur& a) : m_schur_mat (a.m_schur_mat), m_unitary_schur_mat (a.m_unitary_schur_mat) { } schur& operator = (const schur& a) { if (this != &a) { m_schur_mat = a.m_schur_mat; m_unitary_schur_mat = a.m_unitary_schur_mat; } return *this; } ~schur () = default; T schur_matrix () const { return m_schur_mat; } T unitary_schur_matrix () const { return m_unitary_schur_mat; } protected: private: T m_schur_mat; T m_unitary_schur_mat; OCTAVE_API octave_f77_int_type init (const T& a, const std::string& ord, bool calc_unitary); }; template <typename RT, typename AT> extern OCTAVE_API schur<RT> rsf2csf (const AT& s, const AT& u); OCTAVE_END_NAMESPACE(math) OCTAVE_END_NAMESPACE(octave) #endif