sph_kernels3.h

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// Copyright (c) 2018 Doyub Kim
//
// I am making my contributions/submissions to this project solely in my
// personal capacity and am not conveying any rights to any intellectual
// property of any third parties.
//
// Adopted from the sample code of:
// Bart Adams and Martin Wicke,
// "Meshless Approximation Methods and Applications in Physics Based Modeling
// and Animation", Eurographics 2009 Tutorial
 
#ifndef INCLUDE_JET_SPH_KERNELS3_H_
#define INCLUDE_JET_SPH_KERNELS3_H_
 
#include <jet/constants.h>
#include <jet/vector3.h>
 
namespace jet {
 
struct SphStdKernel3 {
    double h;
 
    double h2;
 
    double h3;
 
    double h5;
 
    SphStdKernel3();
 
    explicit SphStdKernel3(double kernelRadius);
 
    SphStdKernel3(const SphStdKernel3& other);
 
    double operator()(double distance) const;
 
    double firstDerivative(double distance) const;
 
    Vector3D gradient(const Vector3D& point) const;
 
    Vector3D gradient(double distance, const Vector3D& direction) const;
 
    double secondDerivative(double distance) const;
};
 
struct SphSpikyKernel3 {
    double h;
 
    double h2;
 
    double h3;
 
    double h4;
 
    double h5;
 
    SphSpikyKernel3();
 
    explicit SphSpikyKernel3(double kernelRadius);
 
    SphSpikyKernel3(const SphSpikyKernel3& other);
 
    double operator()(double distance) const;
 
    double firstDerivative(double distance) const;
 
    Vector3D gradient(const Vector3D& point) const;
 
    Vector3D gradient(double distance, const Vector3D& direction) const;
 
    double secondDerivative(double distance) const;
};
 
}  // namespace jet
 
#include "detail/sph_kernels3-inl.h"
 
#endif  // INCLUDE_JET_SPH_KERNELS3_H_