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#include <iostream>
#include <cmath>
#include <iomanip>
using namespace std;
//Function prototypes
void userInput(int& temp, int& windSpeed);
double compute_windChill (int temp, int windSpeed);
void output (int temp, int windSpeed, double result);
//--------------------------------------------------------------
int main()
{
//Declare variables
int temp, windSpeed;
double windChill;
//Call functions
userInput(temp, windSpeed);
windChill = compute_windChill(temp, windSpeed);
output(temp, windSpeed, windChill);
return 0;
}
//--------------------------------------------------------------
void userInput (int& temp, int& windSpeed)
{
cout << "Please enter the temperature: " << endl;
cin >> temp;
cout << "Please enter the wind speed: " << endl;
cin >> windSpeed;
while ((temp < -45 || temp > 45) || (windSpeed < 3 || windSpeed >60))
{
cout << "Data is out of range!:" << endl;
cout << "Temperature must be from -45 to 45 degrees" <<endl;
cout << "and the wind speed must be from 3 - 60 mph" << endl;
cout << "Please enter the temperature: " << endl;
cin >> temp;
cout << "Please enter the wind speed: " << endl;
cin >> windSpeed;
}
}
//--------------------------------------------------------------
double compute_windChill(int temp, int windSpeed)
{
double windChill;
windChill = 35.74 + (0.6215 * temp) - (35.75 * pow(windSpeed,.16)) + (.4275 * temp) * pow(windSpeed,.16);
return windChill;
}
//--------------------------------------------------------------
void output (int temp, int windSpeed, double windChill)
{
cout << "The temperature is: " << temp << endl;
cout << "The wind speed is: " << windSpeed << endl;
cout << fixed <<showpoint << setprecision(1) << "The wind chill is: " << windChill << endl;
}
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