/usr/include/liggghts/sph_kernels.h is in libliggghts-dev 3.7.0+repack1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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This is the
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╚══════╝╚═╝ ╚═════╝ ╚═════╝ ╚═════╝ ╚═╝ ╚═╝ ╚═╝ ╚══════╝®
DEM simulation engine, released by
DCS Computing Gmbh, Linz, Austria
http://www.dcs-computing.com, office@dcs-computing.com
LIGGGHTS® is part of CFDEM®project:
http://www.liggghts.com | http://www.cfdem.com
Core developer and main author:
Christoph Kloss, christoph.kloss@dcs-computing.com
LIGGGHTS® is open-source, distributed under the terms of the GNU Public
License, version 2 or later. It is distributed in the hope that it will
be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. You should have
received a copy of the GNU General Public License along with LIGGGHTS®.
If not, see http://www.gnu.org/licenses . See also top-level README
and LICENSE files.
LIGGGHTS® and CFDEM® are registered trade marks of DCS Computing GmbH,
the producer of the LIGGGHTS® software and the CFDEM®coupling software
See http://www.cfdem.com/terms-trademark-policy for details.
-------------------------------------------------------------------------
Contributing author and copyright for this file:
Andreas Aigner (JKU Linz)
Copyright 2009-2012 JKU Linz
------------------------------------------------------------------------- */
#ifndef LMP_SPH_KERNELS
#define LMP_SPH_KERNELS
#include "style_sph_kernel.h"
namespace SPH_KERNEL_NS {
inline int sph_kernels_unique_id();
inline int sph_kernel_id(char *style);
inline double sph_kernel(int id,double s,double h,double hinv);
inline double sph_kernel_der(int id,double s,double h,double hinv);
inline double sph_kernel_cut(int id);
}
/* ---------------------------------------------------------------------- */
inline int SPH_KERNEL_NS::sph_kernels_unique_id()
{
int ids[50];
int nkernels = 0;
if (0) return 0.;
#define SPH_KERNEL_CLASS
#define SPHKernel(kernel_id,kernelstyle,SPHKernelCalculation,SPHKernelCalculationDer,SPHKernelCalculationCut) \
ids[nkernels++] = kernel_id;
#include "style_sph_kernel.h"
#undef SPH_KERNEL_CLASS
#undef SPHKernel
// check if double ids
for (int i = 0; i < nkernels; i++)
for (int j = i+1; j < nkernels; j++)
if(ids[i] == ids[j]) return -1;
return 0;
}
/* ---------------------------------------------------------------------- */
inline int SPH_KERNEL_NS::sph_kernel_id(char *style)
{
if (0) return 0.;
#define SPH_KERNEL_CLASS
#define SPHKernel(kernel_id,kernelstyle,SPHKernelCalculation,SPHKernelCalculationDer,SPHKernelCalculationCut) \
else if (strcmp(style,#kernelstyle) == 0) return kernel_id;
#include "style_sph_kernel.h"
#undef SPH_KERNEL_CLASS
#undef SPHKernel
return -1;
}
/* ---------------------------------------------------------------------- */
inline double SPH_KERNEL_NS::sph_kernel(int id,double s,double h,double hinv)
{
if (0) return 0.;
#define SPH_KERNEL_CLASS
#define SPHKernel(kernel_id,kernelstyle,SPHKernelCalculation,SPHKernelCalculationDer,SPHKernelCalculationCut) \
else if (kernel_id == id) return SPH_KERNEL_NS::SPHKernelCalculation(s,h,hinv);
#include "style_sph_kernel.h"
#undef SPH_KERNEL_CLASS
#undef SPHKernel
return 0.;
}
/* ---------------------------------------------------------------------- */
inline double SPH_KERNEL_NS::sph_kernel_der(int id,double s,double h,double hinv)
{
if (0) return 0.;
#define SPH_KERNEL_CLASS
#define SPHKernel(kernel_id,kernelstyle,SPHKernelCalculation,SPHKernelCalculationDer,SPHKernelCalculationCut) \
else if (kernel_id == id) return SPH_KERNEL_NS::SPHKernelCalculationDer(s,h,hinv);
#include "style_sph_kernel.h"
#undef SPH_KERNEL_CLASS
#undef SPHKernel
return 0.;
}
/* ---------------------------------------------------------------------- */
inline double SPH_KERNEL_NS::sph_kernel_cut(int id)
{
if (0) return 0.;
#define SPH_KERNEL_CLASS
#define SPHKernel(kernel_id,kernelstyle,SPHKernelCalculation,SPHKernelCalculationDer,SPHKernelCalculationCut) \
else if (kernel_id == id) return SPH_KERNEL_NS::SPHKernelCalculationCut();
#include "style_sph_kernel.h"
#undef SPH_KERNEL_CLASS
#undef SPHKernel
return 0.;
}
#endif
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