RadialFunction.h

/***************************************************************************************
*                                                                                      *
*                                     Deformetrica                                     *
*                                                                                      *
*    Copyright Inria and the University of Utah.  All rights reserved. This file is    *
*    distributed under the terms of the MIT License. This file is also distributed     *
*    under the terms of the Inria Non-Commercial License Agreement.                    *
*                                                                                      *
*                                                                                      *
****************************************************************************************/

#ifndef _RadialFunction_h
#define _RadialFunction_h

#include <cuda.h>

template < typename TYPE >
class RadialFunction
{

public:

    virtual __device__ __forceinline__ TYPE Eval(TYPE u) = 0;

    virtual __device__ __forceinline__ TYPE Diff(TYPE u) = 0;

    virtual __device__ __forceinline__ TYPE Diff2(TYPE u) = 0;

    virtual __device__ __forceinline__ void DiffDiff2(TYPE u, TYPE* d1, TYPE* d2)
    {
        *d1 = Diff(u);
        *d2 = Diff2(u);
    }

}; /* class RadialFunction */


#endif /* _RadialFunction_h */