65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
/* -*- c++ -*- ----------------------------------------------------------
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LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
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https://www.lammps.org/, Sandia National Laboratories
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Steve Plimpton, sjplimp@sandia.gov
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Copyright (2003) Sandia Corporation. Under the terms of Contract
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DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
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certain rights in this software. This software is distributed under
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the GNU General Public License.
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See the README file in the top-level LAMMPS directory.
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Identical to dihedral harmonic, except if all k's are zero the
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force loop is skipped.
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------------------------------------------------------------------------- */
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#ifdef DIHEDRAL_CLASS
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// clang-format off
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DihedralStyle(zero,DihedralZero);
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// clang-format on
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#else
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#ifndef LMP_DIHEDRAL_ZERO_H
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#define LMP_DIHEDRAL_ZERO_H
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#include "dihedral.h"
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namespace LAMMPS_NS {
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class DihedralZero : public Dihedral {
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public:
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DihedralZero(class LAMMPS *);
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~DihedralZero() override;
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void compute(int, int) override;
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void coeff(int, char **) override;
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void settings(int, char **) override;
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void write_restart(FILE *) override;
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void read_restart(FILE *) override;
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void write_data(FILE *) override;
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protected:
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int coeffflag;
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virtual void allocate();
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};
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} // namespace LAMMPS_NS
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#endif
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#endif
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/* ERROR/WARNING messages:
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E: Illegal ... command
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UNDOCUMENTED
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E: Incorrect args for dihedral coefficients
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UNDOCUMENTED
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*/
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