.. _program_listing_file_gui_Utils_Utils.hpp:

Program Listing for File Utils.hpp
==================================

|exhale_lsh| :ref:`Return to documentation for file <file_gui_Utils_Utils.hpp>` (``gui/Utils/Utils.hpp``)

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

.. code-block:: cpp

   #include <random>
   #include <string>
   
   constexpr unsigned int hash(const char *str)
   {
     unsigned int h = 5381;  // Initial hash value
     for (; *str != '\0'; str++)
       h = (h * 33) ^ (unsigned char)*str;
     return h;
   }
   
   constexpr unsigned int hash(std::string &str)
   {
     const char *tmp_str = str.c_str();
   
     unsigned int h = 5381;  // Initial hash value
     for (; *tmp_str != '\0'; tmp_str++)
       h = (h * 33) ^ (unsigned char)*tmp_str;
     return h;
   }
   
   inline float randomFloat(float min, float max)
   {
     static std::random_device rd;
     static std::mt19937 gen(rd());
     std::uniform_real_distribution<float> dis(min, max);
   
     return dis(gen);
   }
   
   inline double hashToRange(double x, double btw = 1.0)
   {
     double hashed = std::sin(x * 12.9898) * 43758.5453;
     return (hashed - std::floor(hashed)) - btw;
   }