49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
/* -*- c++ -*- ----------------------------------------------------------
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LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
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http://lammps.sandia.gov, 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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------------------------------------------------------------------------- */
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#ifdef DIHEDRAL_CLASS
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DihedralStyle(quadratic,DihedralQuadratic)
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#else
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#ifndef LMP_DIHEDRAL_QUADRATIC_H
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#define LMP_DIHEDRAL_QUADRATIC_H
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#include <stdio.h>
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#include "dihedral.h"
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namespace LAMMPS_NS {
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class DihedralQuadratic : public Dihedral {
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public:
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DihedralQuadratic(class LAMMPS *);
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~DihedralQuadratic();
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void compute(int, int);
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void coeff(int, char **);
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void write_restart(FILE *);
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void read_restart(FILE *);
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void write_data(FILE *);
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protected:
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double *k,*phi0;
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int *sign,*multiplicity;
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void allocate();
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};
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}
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#endif
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#endif
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