.. _program_listing_file_src_utils_Constants.hpp:

Program Listing for File Constants.hpp
======================================

|exhale_lsh| :ref:`Return to documentation for file <file_src_utils_Constants.hpp>` (``src/utils/Constants.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   
   #ifndef CONSTANTS_HPP
   #define CONSTANTS_HPP
   
   #include <gsl/gsl_const_cgsm.h> // NOLINT(misc-include-cleaner)
   
   namespace utils
   {
       // Physical constants, taken directly from GSL's cgs values
       // (gsl_const_cgsm.h)
       inline constexpr double c = GSL_CONST_CGSM_SPEED_OF_LIGHT;                  
       inline constexpr double h = GSL_CONST_CGSM_PLANCKS_CONSTANT_H;              
       inline constexpr double Ryd = GSL_CONST_CGSM_RYDBERG;                        // NOLINT(readability-identifier-naming) -- capitalized to match standard astrophysical/physical notation (Ryd, G, Msun, Rsun, Lsun, Jy below), rather than the project's usual camelBack variable convention
       inline constexpr double G = GSL_CONST_CGSM_GRAVITATIONAL_CONSTANT;           // NOLINT(readability-identifier-naming) -- see Ryd
       inline constexpr double pc = GSL_CONST_CGSM_PARSEC;                         
       inline constexpr double Angstrom = GSL_CONST_CGSM_ANGSTROM;                  // NOLINT(readability-identifier-naming) -- see Ryd
       inline constexpr double sigmaSB = GSL_CONST_CGSM_STEFAN_BOLTZMANN_CONSTANT; 
       inline constexpr double kB = GSL_CONST_CGSM_BOLTZMANN;                      
       inline constexpr double eV = GSL_CONST_CGSM_ELECTRON_VOLT;                  
       inline constexpr double Msun = GSL_CONST_CGSM_SOLAR_MASS;                    // NOLINT(readability-identifier-naming) -- see Ryd
       inline constexpr double day = GSL_CONST_CGSM_DAY;                           
       // Constants and units GSL has no cgs value for
       inline constexpr double yr = 365.25 * day; 
       inline constexpr double Rsun = 6.957e10;    // NOLINT(readability-identifier-naming) -- see Ryd
       inline constexpr double Lsun = 3.828e33;    // NOLINT(readability-identifier-naming) -- see Ryd
       inline constexpr double Jy = 1e-23;         // NOLINT(readability-identifier-naming) -- see Ryd
   
   } // namespace utils
   
   #endif // CONSTANTS_HPP