Mercurial > jwe > octave
view liboctave/numeric/ODEFunc.h @ 31170:06c76eca5f95 default tip @
maint: merge stable to default
author | John W. Eaton <jwe@octave.org> |
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date | Fri, 29 Jul 2022 12:02:42 -0400 |
parents | 51a3d3a69193 |
children |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1993-2022 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_ODEFunc_h) #define octave_ODEFunc_h 1 #include "octave-config.h" #include "mx-fwd.h" class ODEFunc { public: typedef ColumnVector (*ODERHSFunc) (const ColumnVector&, double); typedef Matrix (*ODEJacFunc) (const ColumnVector&, double); ODEFunc (void) : m_fcn (nullptr), m_jac (nullptr), m_reset (true) { } ODEFunc (ODERHSFunc f) : m_fcn (f), m_jac (nullptr), m_reset (true) { } ODEFunc (ODERHSFunc f, ODEJacFunc j) : m_fcn (f), m_jac (j), m_reset (true) { } ODEFunc (const ODEFunc& a) : m_fcn (a.m_fcn), m_jac (a.m_jac), m_reset (true) { } ODEFunc& operator = (const ODEFunc& a) { if (this != &a) { m_fcn = a.m_fcn; m_jac = a.m_jac; m_reset = a.m_reset; } return *this; } virtual ~ODEFunc (void) = default; ODERHSFunc function (void) const { return m_fcn; } ODEFunc& set_function (ODERHSFunc f) { m_fcn = f; m_reset = true; return *this; } ODEJacFunc jacobian_function (void) const { return m_jac; } ODEFunc& set_jacobian_function (ODEJacFunc j) { m_jac = j; m_reset = true; return *this; } protected: ODERHSFunc m_fcn; ODEJacFunc m_jac; // This variable is TRUE when this object is constructed, and also // after any internal data has changed. Derived classes may use // this information (and change it) to know when to (re)initialize // their own internal data related to this object. bool m_reset; }; #endif