Mercurial > octave-nkf
view liboctave/numeric/base-dae.h @ 20641:c3c052b9192a
Improve performance and error reporting of betainv, gaminv (bug #34363).
* betainv.m: Replace for loop with do-until loop. Shorten max loop cycles to
40, rather than 10,000. Issue warning if algorithm fails.
* gaminv.m: Replace for loop with do-until loop. Shorten max loop cycles to
40, rather than 100. Issue warning if algorithm fails.
author | Rik <rik@octave.org> |
---|---|
date | Sun, 11 Oct 2015 16:55:17 -0700 |
parents | a9574e3c6e9e |
children |
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/* Copyright (C) 2002-2015 John W. Eaton 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 <http://www.gnu.org/licenses/>. */ #if !defined (octave_base_dae_h) #define octave_base_dae_h 1 #include "base-de.h" class base_diff_alg_eqn : public base_diff_eqn { public: base_diff_alg_eqn (void) : base_diff_eqn (), xdot () { } base_diff_alg_eqn (const ColumnVector& xx, double tt) : base_diff_eqn (xx, tt), xdot (xx.numel (), 0.0) { } base_diff_alg_eqn (const ColumnVector& xx, const ColumnVector& xxdot, double tt) : base_diff_eqn (xx, tt), xdot (xxdot) { } base_diff_alg_eqn (const base_diff_alg_eqn& a) : base_diff_eqn (a), xdot (a.xdot) { } virtual ~base_diff_alg_eqn (void) { } base_diff_alg_eqn& operator = (const base_diff_alg_eqn& a) { if (this != &a) { base_diff_eqn::operator = (a); xdot = a.xdot; } return *this; } void initialize (const ColumnVector& x0, double t0) { base_diff_eqn::initialize (x0, t0); xdot = ColumnVector (x0.numel (), 0.0); } void initialize (const ColumnVector& x0, const ColumnVector& xdot0, double t0) { base_diff_eqn::initialize (x0, t0); xdot = xdot0; } ColumnVector state_derivative (void) { return xdot; } protected: ColumnVector xdot; }; #endif