1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright held by original author
7 -------------------------------------------------------------------------------
9 This file is part of OpenFOAM.
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12 under the terms of the GNU General Public License as published by the
13 Free Software Foundation; either version 2 of the License, or (at your
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18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 You should have received a copy of the GNU General Public License
22 along with OpenFOAM; if not, write to the Free Software Foundation,
23 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
29 Bisection root Based on Numerical Recipes in C++, Section 9.1, page 358.
30 Function is provided as a template parameter function object, evaluated
31 using operator()(const scalar x)
34 Hrvoje Jasak, Wikki Ltd. All rights reserved.
39 \*---------------------------------------------------------------------------*/
41 #ifndef BisectionRoot_H
42 #define BisectionRoot_H
46 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
51 /*---------------------------------------------------------------------------*\
52 Class BisectionRoot Declaration
53 \*---------------------------------------------------------------------------*/
62 //- Reference to a function
71 // Static data members
73 //- Maximum number of iterations
74 static const label maxIter;
79 //- Construct given a function
80 BisectionRoot(const Func& f, const scalar eps);
83 // Destructor - default
89 scalar root(const scalar x0, const scalar x1) const;
93 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
95 } // End namespace Foam
97 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
100 # include "BisectionRoot.C"
103 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
107 // ************************************************************************* //