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Diffstat (limited to 'src/3rdparty/2geom/include/2geom/sbasis-math.h')
| -rw-r--r-- | src/3rdparty/2geom/include/2geom/sbasis-math.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/3rdparty/2geom/include/2geom/sbasis-math.h b/src/3rdparty/2geom/include/2geom/sbasis-math.h new file mode 100644 index 0000000..e191dae --- /dev/null +++ b/src/3rdparty/2geom/include/2geom/sbasis-math.h @@ -0,0 +1,99 @@ +/** @file + * @brief some std functions to work with (pw)s-basis + *//* + * Authors: + * Jean-Francois Barraud + * + * Copyright (C) 2006-2007 authors + * + * This library is free software; you can redistribute it and/or + * modify it either under the terms of the GNU Lesser General Public + * License version 2.1 as published by the Free Software Foundation + * (the "LGPL") or, at your option, under the terms of the Mozilla + * Public License Version 1.1 (the "MPL"). If you do not alter this + * notice, a recipient may use your version of this file under either + * the MPL or the LGPL. + * + * You should have received a copy of the LGPL along with this library + * in the file COPYING-LGPL-2.1; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * You should have received a copy of the MPL along with this library + * in the file COPYING-MPL-1.1 + * + * The contents of this file are subject to the Mozilla Public License + * Version 1.1 (the "License"); you may not use this file except in + * compliance with the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY + * OF ANY KIND, either express or implied. See the LGPL or the MPL for + * the specific language governing rights and limitations. + */ + +//this a first try to define sqrt, cos, sin, etc... +//TODO: define a truncated compose(sb,sb, order) and extend it to pw<sb>. +//TODO: in all these functions, compute 'order' according to 'tol'. +//TODO: use template to define the pw version automatically from the sb version? + +#ifndef LIB2GEOM_SEEN_SBASIS_MATH_H +#define LIB2GEOM_SEEN_SBASIS_MATH_H + + +#include <2geom/sbasis.h> +#include <2geom/piecewise.h> +#include <2geom/d2.h> + +namespace Geom{ +//-|x|--------------------------------------------------------------- +Piecewise<SBasis> abs( SBasis const &f); +Piecewise<SBasis> abs(Piecewise<SBasis>const &f); + +//- max(f,g), min(f,g) ---------------------------------------------- +Piecewise<SBasis> max( SBasis const &f, SBasis const &g); +Piecewise<SBasis> max(Piecewise<SBasis> const &f, SBasis const &g); +Piecewise<SBasis> max( SBasis const &f, Piecewise<SBasis> const &g); +Piecewise<SBasis> max(Piecewise<SBasis> const &f, Piecewise<SBasis> const &g); +Piecewise<SBasis> min( SBasis const &f, SBasis const &g); +Piecewise<SBasis> min(Piecewise<SBasis> const &f, SBasis const &g); +Piecewise<SBasis> min( SBasis const &f, Piecewise<SBasis> const &g); +Piecewise<SBasis> min(Piecewise<SBasis> const &f, Piecewise<SBasis> const &g); + +//-sign(x)--------------------------------------------------------------- +Piecewise<SBasis> signSb( SBasis const &f); +Piecewise<SBasis> signSb(Piecewise<SBasis>const &f); + +//-Sqrt--------------------------------------------------------------- +Piecewise<SBasis> sqrt( SBasis const &f, double tol=1e-3, int order=3); +Piecewise<SBasis> sqrt(Piecewise<SBasis>const &f, double tol=1e-3, int order=3); + +//-sin/cos-------------------------------------------------------------- +Piecewise<SBasis> cos( SBasis const &f, double tol=1e-3, int order=3); +Piecewise<SBasis> cos(Piecewise<SBasis> const &f, double tol=1e-3, int order=3); +Piecewise<SBasis> sin( SBasis const &f, double tol=1e-3, int order=3); +Piecewise<SBasis> sin(Piecewise<SBasis> const &f, double tol=1e-3, int order=3); +//-Log--------------------------------------------------------------- +Piecewise<SBasis> log( SBasis const &f, double tol=1e-3, int order=3); +Piecewise<SBasis> log(Piecewise<SBasis>const &f, double tol=1e-3, int order=3); + +//--1/x------------------------------------------------------------ +//TODO: change this... +Piecewise<SBasis> reciprocalOnDomain(Interval range, double tol=1e-3); +Piecewise<SBasis> reciprocal( SBasis const &f, double tol=1e-3, int order=3); +Piecewise<SBasis> reciprocal(Piecewise<SBasis>const &f, double tol=1e-3, int order=3); + +//--interpolate------------------------------------------------------------ +Piecewise<SBasis> interpolate( std::vector<double> times, std::vector<double> values, unsigned smoothness = 1); +} + +#endif //SEEN_GEOM_PW_SB_CALCULUS_H + +/* + Local Variables: + mode:c++ + c-file-style:"stroustrup" + c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) + indent-tabs-mode:nil + fill-column:99 + End: +*/ +// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 : |