CAkimaInterpolator.h

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// SPDX-License-Identifier: LGPL-2.1-or-later OR GPL-2.0-or-later OR GPL-3.0-or-later OR LicenseRef-ACF-Commercial
#pragma once
 
 
// Qt includes
#include <QtCore/QMap>
 
// ACF includes
#include <imath/ISampledFunctionInterpolator.h>
 
 
namespace imath
{
 
 
class CAkimaInterpolator: virtual public imath::ISampledFunctionInterpolator
{
public:
       struct Node
       {
              double value;
              double derivative;
       };
 
       typedef QMap<double, Node> Nodes;
 
       CAkimaInterpolator();
       CAkimaInterpolator(double* positions, double* values, int nodesCount);
 
       void SetNodes(double* positions, double* values, int nodesCount);
 
       // reimplemented (imath::ISampledFunctionInterpolator)
       virtual bool InitFromFunction(const ISampledFunction& function) override;
 
       // reimplemented (imath::TIMathFunction<double, double>)
       virtual bool GetValueAt(const double& argument, double& result) const override;
       virtual double GetValueAt(const double& argument) const override;
 
protected:
       Nodes m_nodes;
};
 
 
} // namespace imath