.. _program_listing_file_src_LouLib_Units_Mass.hpp:

Program Listing for File Mass.hpp
=================================

|exhale_lsh| :ref:`Return to documentation for file <file_src_LouLib_Units_Mass.hpp>` (``src/LouLib/Units/Mass.hpp``)

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

.. code-block:: cpp

   
   #ifndef LOULIB_MASS_HPP
   #define LOULIB_MASS_HPP
   
   #include "BaseUnit.hpp"
   #include "UnitMath.hpp"
   
   namespace LouLib{
       namespace Units{
           DEFINE_NEW_UNIT(0, 1, 0 , 0, 0, 0, 0, 0, Mass);
   
           //base unit
           constexpr Mass KILOGRAM(1.0);
   
           //metric units
           constexpr Mass HECTOGRAM = KILOGRAM * 0.1;
           constexpr Mass DECAGRAM = KILOGRAM * 0.01;
           constexpr Mass GRAM = KILOGRAM * 0.001;
   
           //imperial units
           constexpr Mass OUNCE = KILOGRAM * 0.02834952;
           constexpr Mass POUND = OUNCE * 16.0;
   
           inline namespace literals{
               #define CREATE_MASS_STRING_LITERAL(literal, unit)               \
               constexpr Mass operator"" literal(long double x){               \
                   return static_cast<double>(x) * unit;                       \
               }                                                               \
               constexpr Mass operator"" literal(unsigned long long int x){    \
                   return static_cast<double>(x) * unit;                       \
               }
   
               CREATE_MASS_STRING_LITERAL(_kg, KILOGRAM);
               CREATE_MASS_STRING_LITERAL(_hg, HECTOGRAM);
               CREATE_MASS_STRING_LITERAL(_dag, DECAGRAM);
               CREATE_MASS_STRING_LITERAL(_g, GRAM);
               CREATE_MASS_STRING_LITERAL(_oz, OUNCE);
               CREATE_MASS_STRING_LITERAL(_lb, POUND);
           }
       }
   }
   
   #endif //LOULIB_MASS_HPP