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// BlankConsoleLab.cpp : This file contains the 'main' function. Program execution begins and ends there.
/*
Thomas Trinh
CST116
Lab2: Calculate the wind chill given a temperature and wind speed
*/
#include <iostream>
#include <iomanip>
using namespace std;
const float MinF = -80;
const float MaxF = 121;
const float MinC = -62;
const float MaxC = 49.5;
const float MinW = 0;
const float MaxW = 231;
const string word = "yes";
void convertCelsiustoFahrenheit(float& celciusvalue);
float WindChillcalc(float temp, float wspeed);
void outputdata(float temp, float wspeed, float wchill);
int main()
{
float temp = 122;
float wspeed = 232;
bool fahrenheit = true;
string input;
cout << "Are you entering temperature in celsius? Say yes if yes, no or anything else if no: ";
cin >> input;
cout << endl;
if (input == word)
{
fahrenheit = false;
}
while (fahrenheit && ((MinF > temp) || (MaxF < temp)) || (!fahrenheit && ((MinC > temp) || (MaxC < temp))))
{
if (fahrenheit)
{
cout << "Input a fahrenheit temperature that is greater than " << MinF << " but less than " << MaxF << ": ";
}
else {
cout << "Input a celsius temperature that is greater than " << MinC << " but less than " << MaxC << ": ";
}
cin >> temp;
cout << endl;
}
if (!fahrenheit) convertCelsiustoFahrenheit(temp);
while ((MinW > wspeed) || (MaxW < wspeed))
{
cout << "Input a wind speed in that is greater than " << MinW << " but less than " << MaxW << ": ";
cin >> wspeed;
cout << endl;
}
outputdata(temp, wspeed, WindChillcalc(temp, wspeed));
return 0;
}
/// <summary>
/// Changes the reference celciusvalue to fahrenheit
/// </summary>
/// <param name="celciusvalue"></param>
void convertCelsiustoFahrenheit(float& celciusvalue)
{
celciusvalue * (9.0 / 5.0);
celciusvalue + 32;
}
/// <summary>
/// Calculates the wind chill and returns it from the temperature and wind speed
/// </summary>
/// <param name="temp"></param>
/// <param name="wspeed"></param>
/// <returns></returns>
float WindChillcalc(float temp, float wspeed)
{
return 35.74 + 0.6215 * temp - 35.75 * powf(wspeed, 0.16) + 0.4275 * temp * powf(wspeed, 0.16);
}
/// <summary>
/// Outputs the 3 inputs with format
/// </summary>
/// <param name="temp"></param>
/// <param name="wspeed"></param>
/// <param name="wchill"></param>
void outputdata(float temp, float wspeed, float wchill)
{
cout << "Temperature: " << temp << "F" << endl;
cout << "Wind speed: " << wspeed << "mph" << endl;
cout << "Wind chill: " << wchill << endl;
}
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