.. _program_listing_file_src_LouLib_Units_Length.hpp:

Program Listing for File Length.hpp
===================================

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

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

.. code-block:: cpp

   
   #ifndef LOULIB_LENGTH_HPP
   #define LOULIB_LENGTH_HPP
   
   #include "BaseUnit.hpp"
   #include "UnitMath.hpp"
   
   namespace LouLib{
       namespace Units{
           DEFINE_NEW_UNIT(1, 0, 0, 0, 0, 0, 0, 0, Length);
   
           //base unit
           constexpr Length METER(1.0);
   
           //metric units
           constexpr Length DECIMETER = METER * 0.1;
           constexpr Length CENTIMETER = METER * 0.01;
           constexpr Length MILLIMETER = METER * 0.001;
   
           //imperial units
           constexpr Length INCH = METER * 0.0254;
           constexpr Length FOOT = INCH * 12.0;
           constexpr Length YARD = FOOT * 3;
   
           //VEX Units
           constexpr Length TILE = FOOT * 2;
   
           inline namespace literals{
               #define CREATE_LENGTH_STRING_LITERAL(literal, unit)             \
               constexpr Length operator"" literal(long double x){             \
                   return static_cast<double>(x)*unit;                         \
               }                                                               \
               constexpr Length operator"" literal(unsigned long long int x){  \
                   return static_cast<double>(x)*unit;                         \
               }
   
               CREATE_LENGTH_STRING_LITERAL(_m, METER);
               CREATE_LENGTH_STRING_LITERAL(_dm, DECIMETER);
               CREATE_LENGTH_STRING_LITERAL(_cm, CENTIMETER);
               CREATE_LENGTH_STRING_LITERAL(_mm, MILLIMETER);
               CREATE_LENGTH_STRING_LITERAL(_in, INCH);
               CREATE_LENGTH_STRING_LITERAL(_ft, FOOT);
               CREATE_LENGTH_STRING_LITERAL(_yd, YARD);
               CREATE_LENGTH_STRING_LITERAL(_tl, TILE);
           }
       }
   }
   
   #endif //LOULIB_LENGTH_HPP