CLinearInterpolator.h

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/********************************************************************************
**  This file is part of the ICF Framework. Copyright (C) Witold Gantzke & Kirill Lepskiy
**  ICF Framework may be used under the terms of the LGPL License v. 2.1 by the Free Software Foundation.
********************************************************************************/
 
#pragma once
 
 
// Qt includes
#include <QtCore/QMap>
 
// ICF includes
#include <imath/IFunctionInterpolator.h>
 
 
namespace imath
{
 
 
class CLinearInterpolator: public virtual IFunctionInterpolator
{
public:
    CLinearInterpolator();
    CLinearInterpolator(double* positions, double* values, int nodesCount, bool isExtrapolationEnabled = false);
 
    // reimplemented (imath::IFunctionInterpolator)
    void SetNodes(double* positions, double* values, int nodesCount) override;
 
    // reimplemented (imath::TIMathFunction<double, double>)
    bool GetValueAt(const double& argument, double& result) const override;
    double GetValueAt(const double& argument) const override;
 
private:
    typedef QMap<double, double> Nodes;
    Nodes m_nodes;
    bool m_isExtrapolationEnabled;
};
 
 
} // namespace imath