remap c++

remap.cpp

#include <iostream>

float remap(float fromValue, float fromMin, float fromMax, float toMin,  float toMax)
    {
        float fromAbs  =  fromValue - fromMin;
        float fromMaxAbs = fromMax - fromMin;      
       
        float normal = fromAbs / fromMaxAbs;
 
        float toMaxAbs = toMax - toMin;
        float toAbs = toMaxAbs * normal;
 
        float toValue = toAbs + toMin;
       
        return toValue;
    }


int main() {
  std::cout << "Hello!\n";
  float cmd = remap(101, 100, 200, 0, 1.0);
  std::cout << "Output value is: " << cmd << std::endl;
}