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compute_hexorder_atom.h
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Sat, Jun 29, 10:50

compute_hexorder_atom.h
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/* -*- c++ -*- ----------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
http://lammps.sandia.gov, Sandia National Laboratories
Steve Plimpton, sjplimp@sandia.gov
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 COMPUTE_CLASS
ComputeStyle(hexorder/atom,ComputeHexOrderAtom)
#else
#ifndef LMP_COMPUTE_HEXORDER_ATOM_H
#define LMP_COMPUTE_HEXORDER_ATOM_H
#include "compute.h"
namespace LAMMPS_NS {
class ComputeHexOrderAtom : public Compute {
public:
ComputeHexOrderAtom(class LAMMPS *, int, char **);
~ComputeHexOrderAtom();
void init();
void init_list(int, class NeighList *);
void compute_peratom();
double memory_usage();
private:
int nmax,maxneigh,ncol,nnn,ndegree;
double cutsq;
class NeighList *list;
double *distsq;
int *nearest;
double **qnarray;
void calc_qn_complex(double, double, double&, double&);
void calc_qn_trig(double, double, double&, double&);
void select2(int, int, double *, int *);
};
}
#endif
#endif
/* ERROR/WARNING messages:
E: Illegal ... command
Self-explanatory. Check the input script syntax and compare to the
documentation for the command. You can use -echo screen as a
command-line option when running LAMMPS to see the offending line.
E: Compute hexorder/atom requires a pair style be defined
Self-explanatory.
E: Compute hexorder/atom cutoff is longer than pairwise cutoff
Cannot compute order parameter beyond cutoff.
W: More than one compute hexorder/atom
It is not efficient to use compute hexorder/atom more than once.
*/

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