.. _program_listing_file_src_LouLib_Math_MathFunctions.cpp:

Program Listing for File MathFunctions.cpp
==========================================

|exhale_lsh| :ref:`Return to documentation for file <file_src_LouLib_Math_MathFunctions.cpp>` (``src/LouLib/Math/MathFunctions.cpp``)

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

.. code-block:: cpp

   
   #include "MathFunctions.hpp"
   
   #include <cmath>
   
   namespace LouLib{
       namespace Math{
   
           int signum(double a){
               if(a == 0) return 0;
               return a > 0 ? 1 : -1;
           }
   
           double clamp(double val, double min, double max) {
               if(val < min) return min;
               else if(val > max) return max;
               return val;
           }
   
           double constrainAngle(double x) {
               double sol = std::fmod(x + 180.0, 360.0);
               if(sol < 0) sol += 360;
               return sol - 180;
           }
   
           double angleDifference(double final, double initial) {
               double diff = final - initial;
               return constrainAngle(diff);
           }
   
       }
   }