45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
/* -*- c++ -*- ----------------------------------------------------------
|
|
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
|
|
https://www.lammps.org/, 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() override;
|
|
double uniform();
|
|
double gaussian();
|
|
double gaussian(double mu, double sigma);
|
|
double rayleigh(double sigma);
|
|
double besselexp(double theta, double alpha, double cp);
|
|
void select_subset(bigint, int, int *, int *);
|
|
void get_state(double *);
|
|
void set_state(double *);
|
|
|
|
private:
|
|
int save;
|
|
double second;
|
|
double *u;
|
|
int i97, j97;
|
|
double c, cd, cm;
|
|
};
|
|
|
|
} // namespace LAMMPS_NS
|
|
|
|
#endif
|