#include <iostream>
#include <stdexcept>
#include "FtoC.h"

// c = 5/9(f-32)
float FtoC(float f){

    if (f < -454) {
        std::cout << "Illegal Temperature in F." << std::endl;
    }

    return static_cast<float>(5.0/9.0*(f-32.0));

}

// f = 9/5(c) + 32

float CtoF(float c){

    if (c < -270) {
        throw std::invalid_argument("Temprature Below -270C");
    }

    return static_cast<float>(9.0/5.0*c+32.0);
}