48 lines
1.1 KiB
C++
48 lines
1.1 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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#ifndef LMP_RANMARS_H
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#define LMP_RANMARS_H
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#include "pointers.h"
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namespace LAMMPS_NS {
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class RanMars : protected Pointers {
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public:
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RanMars(class LAMMPS *, int);
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~RanMars();
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double uniform();
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double gaussian();
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private:
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int save;
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double second;
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double *u;
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int i97,j97;
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double c,cd,cm;
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};
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}
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#endif
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/* ERROR/WARNING messages:
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E: Invalid seed for Marsaglia random # generator
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The initial seed for this random number generator must be a positive
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integer less than or equal to 900 million.
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*/
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