findroot.h

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/*
    Sheep - A Rigid Body Dynamics Engine
    Copyright (C) 2001-2004 Francois Beaune
    Contact: http://toxicengine.sourceforge.net/

    This file is part of Sheep.

    Sheep 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 2 of the License, or
    (at your option) any later version.

    Sheep 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 Sheep; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifndef SHEEP_MATH_FINDROOT_H
#define SHEEP_MATH_FINDROOT_H

#include "real.h"

namespace sheep {

    class Function1 {   // abstract class
    public:
        virtual Real EvaluateAt(Real x) const = 0;
    };

    Real FindRoot(const Function1 &f, Real left, Real right, Real tolerance);

}

#endif  // !SHEEP_MATH_FINDROOT_H

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