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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 | /* -*- 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.
------------------------------------------------------------------------- */
#ifndef LMP_MATH_CONST_H
#define LMP_MATH_CONST_H
namespace LAMMPS_NS {
namespace MathConst {
static const double THIRD = 1.0/3.0;
static const double MY_PI = 3.14159265358979323846; // pi
static const double MY_2PI = 6.28318530717958647692; // 2pi
static const double MY_3PI = 9.42477796076937971538; // 3pi
static const double MY_4PI = 12.56637061435917295384; // 4pi
static const double MY_PI2 = 1.57079632679489661923; // pi/2
static const double MY_PI4 = 0.78539816339744830962; // pi/4
static const double MY_PIS = 1.77245385090551602729; // sqrt(pi)
}
}
#endif
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