/usr/include/healpix_cxx/lsconstants.h is in libhealpix-cxx-dev 3.30.0-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | /*
* This file is part of libcxxsupport.
*
* libcxxsupport is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* libcxxsupport is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with libcxxsupport; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* libcxxsupport is being developed at the Max-Planck-Institut fuer Astrophysik
* and financially supported by the Deutsches Zentrum fuer Luft- und Raumfahrt
* (DLR).
*/
/*! \file lsconstants.h
* Mathematical, physical and technical constants for LevelS.
*/
#ifndef PLANCK_CONSTANTS_H
#define PLANCK_CONSTANTS_H
/*! \defgroup mathconstgroup Mathematical constants */
/*! \{ */
const double pi=3.141592653589793238462643383279502884197;
const double twopi=6.283185307179586476925286766559005768394;
const double inv_twopi=1.0/twopi;
const double fourpi=12.56637061435917295385057353311801153679;
const double halfpi=1.570796326794896619231321691639751442099;
const double inv_halfpi=0.6366197723675813430755350534900574;
const double inv_sqrt4pi = 0.2820947917738781434740397257803862929220;
const double ln2 = 0.6931471805599453094172321214581766;
const double inv_ln2 = 1.4426950408889634073599246810018921;
const double ln10 = 2.3025850929940456840179914546843642;
const double onethird=1.0/3.0;
const double twothird=2.0/3.0;
const double fourthird=4.0/3.0;
const double degr2rad=pi/180.0;
const double arcmin2rad=degr2rad/60;
const double rad2degr=180.0/pi;
//! Ratio between FWHM and sigma of a Gauss curve (\f$\sqrt{8\ln2}\f$).
const double sigma2fwhm=2.3548200450309493; // sqrt(8*log(2.))
const double fwhm2sigma=1/sigma2fwhm;
/*! \} */
/*! \defgroup physconstgroup Physical constants */
/*! \{ */
const double Jansky2SI=1.0e-26;
const double SI2Jansky=1.0e+26;
//! Light speed in m/s (CODATA 2006)
const double speedOfLight=2.99792458e8;
//! Boltzmann's constant in J/K (CODATA 2006)
const double kBoltzmann=1.3806504e-23;
//! Stefan-Boltzmann constant in W/m^2/K^4 (CODATA 2006)
const double sigmaStefanBoltzmann=5.6704e-8;
//! Planck's constant in J s (CODATA 2006)
const double hPlanck=6.62606896e-34;
//! Astronomical unit in m
const double astronomicalUnit=1.49597870691e11;
//! Solar constant in W/m^2
const double solarConstant=1368.0;
//! Average CMB temperature in K (Fixsen, ApJ 709 (2009), arXiv:0911.1955)
const double tcmb = 2.72548;
//! offset (in seconds) between Jan 1, 1958 and Jan 1, 1970
const double sec_58_70 = 378691200.;
/*! \} */
#endif
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