Mercurial > octave
view liboctave/numeric/base-dae.h @ 31206:7ae0a0772e9d
maint: merge stable to default
author | Arun Giridhar <arungiridhar@gmail.com> |
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date | Sun, 28 Aug 2022 12:21:36 -0400 |
parents | 796f54d4ddbf |
children | 597f3ee61a48 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 2002-2022 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_base_dae_h) #define octave_base_dae_h 1 #include "octave-config.h" #include "base-de.h" class base_diff_alg_eqn : public base_diff_eqn { public: base_diff_alg_eqn (void) : base_diff_eqn (), m_xdot () { } base_diff_alg_eqn (const ColumnVector& xx, double tt) : base_diff_eqn (xx, tt), m_xdot (xx.numel (), 0.0) { } base_diff_alg_eqn (const ColumnVector& xx, const ColumnVector& xxdot, double tt) : base_diff_eqn (xx, tt), m_xdot (xxdot) { } base_diff_alg_eqn (const base_diff_alg_eqn& a) : base_diff_eqn (a), m_xdot (a.m_xdot) { } virtual ~base_diff_alg_eqn (void) = default; base_diff_alg_eqn& operator = (const base_diff_alg_eqn& a) { if (this != &a) { base_diff_eqn::operator = (a); m_xdot = a.m_xdot; } return *this; } void initialize (const ColumnVector& x0, double t0) { base_diff_eqn::initialize (x0, t0); m_xdot = ColumnVector (x0.numel (), 0.0); } void initialize (const ColumnVector& x0, const ColumnVector& xdot0, double t0) { base_diff_eqn::initialize (x0, t0); m_xdot = xdot0; } ColumnVector state_derivative (void) { return m_xdot; } protected: ColumnVector m_xdot; }; #endif