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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | /* ----------------------------------------------------------------------
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.
------------------------------------------------------------------------- */
#ifndef LMP_RANMARS_H
#define LMP_RANMARS_H
#include "pointers.h"
namespace LAMMPS_NS {
class RanMars : protected Pointers {
public:
RanMars(class LAMMPS *, int);
~RanMars();
double uniform();
double gaussian();
private:
int seed,save;
double second;
double *u;
int i97,j97;
double c,cd,cm;
};
}
#endif
/* ERROR/WARNING messages:
E: Invalid seed for Marsaglia random # generator
The initial seed for this random number generator must be a positive
integer less than or equal to 900 million.
*/
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