interpolater.hxx

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// Written by Curtis Olson, started April 1998.
//
// Copyright (C) 1998  Curtis L. Olson  - http://www.flightgear.org/~curt
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Library General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
//
// $Id: interpolater_8hxx-source.html,v 1.15 2007-12-17 15:37:04 curt Exp $


#ifndef _INTERPOLATER_H
#define _INTERPOLATER_H


#ifndef __cplusplus
# error This library requires C++
#endif

#include <simgear/compiler.h>

#include "simgear/structure/SGReferenced.hxx"

#include <map>

#include STL_STRING
SG_USING_STD(string);

class SGPropertyNode;

class SGInterpTable : public SGReferenced {
public:

    SGInterpTable();

    SGInterpTable(const SGPropertyNode* interpolation);

    SGInterpTable( const string& file );


    void addEntry (double ind, double dep);
    

    double interpolate(double x) const;

    ~SGInterpTable();

private:
    typedef std::map<double, double> Table;
    Table _table;
};


#endif // _INTERPOLATER_H

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