forked from lijiext/lammps
32 lines
1.1 KiB
C++
32 lines
1.1 KiB
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_MATH_CONST_H
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#define LMP_MATH_CONST_H
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namespace LAMMPS_NS {
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namespace MathConst {
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static const double THIRD = 1.0/3.0;
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static const double MY_PI = 3.14159265358979323846; // pi
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static const double MY_2PI = 6.28318530717958647692; // 2pi
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static const double MY_3PI = 9.42477796076937971538; // 3pi
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static const double MY_PI2 = 1.57079632679489661923; // pi/2
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static const double MY_PI4 = 0.78539816339744830962; // pi/4
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static const double MY_PIS = 1.77245385090551602729; // sqrt(pi)
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}
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}
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#endif
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