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lammps/src/CLASS2/angle_class2.h
2024-09-20 19:36:35 +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 ANGLE_CLASS
// clang-format off
AngleStyle(class2,AngleClass2);
// clang-format on
#else
#ifndef LMP_ANGLE_CLASS2_H
#define LMP_ANGLE_CLASS2_H
#include "angle.h"
namespace LAMMPS_NS {
class AngleClass2 : public Angle {
public:
AngleClass2(class LAMMPS *);
~AngleClass2() override;
void compute(int, int) override;
void coeff(int, char **) override;
double equilibrium_angle(int) override;
void write_restart(FILE *) override;
void read_restart(FILE *) override;
void write_data(FILE *) override;
double single(int, int, int, int) override;
void *extract(const char *, int &) override;
protected:
double *theta0, *k2, *k3, *k4;
double *bb_k, *bb_r1, *bb_r2;
double *ba_k1, *ba_k2, *ba_r1, *ba_r2;
int *setflag_a, *setflag_bb, *setflag_ba;
void allocate();
};
} // namespace LAMMPS_NS
#endif
#endif