Files
lammps/src/fix_wall_table.h
2023-02-22 19:06:07 -05:00

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1.8 KiB
C++

/* -*- c++ -*- ----------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
https://www.lammps.org/, Sandia National Laboratories
LAMMPS development team: developers@lammps.org
Copyright (2003) Sandia Corporation. Under the terms of Contract
DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
certain rights in this software. This software is distributed under
the GNU General Public License.
See the README file in the top-level LAMMPS directory.
------------------------------------------------------------------------- */
#ifdef FIX_CLASS
// clang-format off
FixStyle(wall/table,FixWallTable);
// clang-format on
#else
#ifndef LMP_FIX_WALL_TABLE_H
#define LMP_FIX_WALL_TABLE_H
#include "fix_wall.h"
namespace LAMMPS_NS {
class FixWallTable : public FixWall {
public:
FixWallTable(class LAMMPS *, int, char **);
~FixWallTable() override;
void post_constructor() override;
void precompute(int) override;
void wall_particle(int, int, double) override;
protected:
double offset[6];
int tabstyle, tablength;
struct Table {
int ninput, fpflag;
double fplo, fphi;
double lo, hi;
double *rfile, *efile, *ffile;
double *e2file, *f2file;
double delta, invdelta, deltasq6;
double *r, *e, *de, *f, *df, *e2, *f2;
};
Table *tables;
void null_table(Table &);
void free_table(Table &);
void read_table(Table &, const std::string &, const std::string &);
void bcast_table(Table &);
void spline_table(Table &);
void compute_table(Table &);
void param_extract(Table &, char *);
void spline(double *, double *, int, double, double, double *);
double splint(double *, double *, double *, int, double);
void uf_lookup(int, double, double &, double &);
};
} // namespace LAMMPS_NS
#endif
#endif