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lammps/src/CLASS2/improper_class2.h
2025-02-07 09:28:18 +02:00

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/* -*- 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 IMPROPER_CLASS
// clang-format off
ImproperStyle(class2,ImproperClass2);
// clang-format on
#else
#ifndef LMP_IMPROPER_CLASS2_H
#define LMP_IMPROPER_CLASS2_H
#include "improper.h"
namespace LAMMPS_NS {
class ImproperClass2 : public Improper {
public:
ImproperClass2(class LAMMPS *);
~ImproperClass2() override;
void compute(int, int) override;
void coeff(int, char **) override;
void write_restart(FILE *) override;
void read_restart(FILE *) override;
void write_data(FILE *) override;
void *extract(const char *, int &) override;
protected:
double *k0, *chi0;
double *aa_k1, *aa_k2, *aa_k3, *aa_theta0_1, *aa_theta0_2, *aa_theta0_3;
int *setflag_i, *setflag_aa;
void allocate();
void angleangle(int, int);
void cross(double *, double *, double *);
double dot(double *, double *);
};
} // namespace LAMMPS_NS
#endif
#endif