Kernel functions for SPH. More...

#include "cmath"
#include "tarch/tarch.h"
#include "peano4/utils/Globals.h"
#include "tarch/compiler/CompilerSpecificSettings.h"

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Namespaces
namespace	exaparty
	This file is part of the ExaParty project.

namespace	exaparty::kernels

namespace	exaparty::kernels::legacy
	Legacy SPH implementation.

namespace	exaparty::kernels::legacy::kernelHydro

Macros
#define	kernel_gamma_inv ((float)(1. / kernel_gamma))

#define	kernel_gamma2 ((float)(kernel_gamma * kernel_gamma))

#define	kernel_ivals_f ((float)(kernel_ivals))

#define	kernel_root

Functions
static void	exaparty::kernels::legacy::kernelHydro::kernel_eval (double u, double &W)
	Computes the kernel function.

static void	exaparty::kernels::legacy::kernelHydro::kernel_deval (double u, double &W, double &dW_dx)
	Computes the kernel function and its derivative.

Detailed Description

Kernel functions for SPH.

Constants and kernel coefficients are taken from table 1 of Dehnen & Aly, MNRAS, 425, pp. 1062-1082 (2012).

This is a legacy file - kept as closely to the SWIFT original files as possible.

Definition in file kernel_hydro.h.

Macro Definition Documentation

#define kernel_gamma2 ((float)(kernel_gamma * kernel_gamma))

Definition at line 81 of file kernel_hydro.h.

#define kernel_gamma_inv ((float)(1. / kernel_gamma))

Definition at line 80 of file kernel_hydro.h.

#define kernel_ivals_f ((float)(kernel_ivals))

Definition at line 108 of file kernel_hydro.h.

#define kernel_root

Value:

((float)(kernel_coeffs[kernel_degree]) * kernel_constant \

* kernel_gamma_inv_dim)

Definition at line 111 of file kernel_hydro.h.