67 lines
1.7 KiB
C++
67 lines
1.7 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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------------------------------------------------------------------------- */
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#ifdef FIX_CLASS
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// clang-format off
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FixStyle(gravity,FixGravity);
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// clang-format on
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#else
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#ifndef LMP_FIX_GRAVITY_H
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#define LMP_FIX_GRAVITY_H
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#include "fix.h"
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namespace LAMMPS_NS {
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class FixGravity : public Fix {
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friend class FixPour;
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public:
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FixGravity(class LAMMPS *, int, char **);
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~FixGravity() override;
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int setmask() override;
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void init() override;
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void setup(int) override;
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void post_force(int) override;
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void post_force_respa(int, int, int) override;
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double compute_scalar() override;
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void *extract(const char *, int &) override;
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enum { CONSTANT, EQUAL };
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protected:
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int style, disable;
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double magnitude;
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double vert, phi, theta;
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double xdir, ydir, zdir;
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double xgrav, ygrav, zgrav, xacc, yacc, zacc;
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int ilevel_respa;
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int time_origin;
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double gvec[3];
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int eflag;
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double egrav, egrav_all;
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int varflag;
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int mstyle, vstyle, pstyle, tstyle, xstyle, ystyle, zstyle;
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int mvar, vvar, pvar, tvar, xvar, yvar, zvar;
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char *mstr, *vstr, *pstr, *tstr, *xstr, *ystr, *zstr;
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void set_acceleration();
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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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