.. _program_listing_file_src_algo_constants.h:

Program Listing for File constants.h
====================================

|exhale_lsh| :ref:`Return to documentation for file <file_src_algo_constants.h>` (``src/algo/constants.h``)

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

.. code-block:: cpp

   #pragma once
   
   namespace sota {
   
   // C++ 20 not available for Android build => can't include <numbers>
   // M_PI may not compile for Windows.
   // So, as a workaround, declare PI here
   constexpr double PI = 3.14159265;
   
   }  // namespace sota