Project 7 Change the program to use structs for temperature, wind, and weather m
ID: 3604241 • Letter: P
Question
Project 7
Change the program to use structs for temperature, wind, and weather measurement.
Refactor your program so that the code for
- temperature is in two files (.h – declarations) and (.cpp – implementations)
- wind is in two files (.h – declarations) and (.cpp – implementations)
-WeatherMeasurement is in two files (.h – declarations) and (.cpp – implementations)
- And your main is in one file
I was told that this program would require at least 6 files so could you label each file and say which code goes in each file for the program. Thank you. I really appreciate it.
C++ code:
#include "stdafx.h"
#include <iostream>
#include <string>
using namespace std;
void moveTemperaturesToRight(double temperatures[],
double windSpeed[],
string windDirection[])
{
for (int i = 3; i > 0; i--)
{
temperatures[i] = temperatures[i - 1];
windSpeed[i] = windSpeed[i - 1];
windDirection[i] = windDirection[i - 1];
}
}
int main()
{
string name;
int choice;
int numOfReadings = 0;
int size;
double temperatures[4], windSpeeds[4];
string windDirections[4];
bool initialized = false;
char str;
//Have the user provide a name for the weather station upon entry.
cout << "Enter the name of weather station: ";
getline(cin, name);
//Control loop to perform various actions.
while (true)
{
cout << "I. Input a complete weather reading." << " ";
cout << "P. Print the current weather." << " ";
cout << "H. Print the weather history (from most recent to oldest)." << " ";
cout << "E. Exit the program." << " ";
cout << "Enter your choice: ";
cin >> str;
if (str != 'I'&& str != 'P'&& str != 'H'&& str != 'E')
choice = 0;
else
choice = str;
//Switch based on choice.
switch (choice)
{
case 'I':
moveTemperaturesToRight(temperatures,
windSpeeds,
windDirections);
cout << "Enter the temperature:";
cin >> temperatures[0];
//get correct wind speed
do
{
cout << "Enter the wind speed (a value >=0):";
cin >> windSpeeds[0];
while (cin.fail() || (cin.peek() != ' ' && cin.peek() != ' '))
{
cout << "Invalid Input! Re Enter the wind speed" << endl;
cin.clear();
while (cin.get() != ' ');
cin >> windSpeeds[0];
}
} while (windSpeeds[0] < 0);
//get correct wind direction
do
{
cout << "Enter the wind direction (North,South,East or West):";
cin >> windDirections[0];
} while (windDirections[0] != "North" && windDirections[0] != "South" && windDirections[0] != "East" && windDirections[0] != "West");
initialized = true;
if (initialized)
numOfReadings++;
if (numOfReadings > 4)
numOfReadings = 4;
break;
case 'H': //Print the current weather, if valid weather is entered.
cout << "Enter size of the history wants:";
cin >> size;
if (numOfReadings<size)
{
cout << "History size is high";
break;
}
for (int i = 0; i < size; i++)
{
cout << "*****" << name << "*****" << " ";
cout << "Temperature: " << temperatures[i] << " ";
cout << "Wind speed: " << windSpeeds[i] << " ";
cout << "Wind direction: " << windDirections[i] << " " << " ";
}
if (numOfReadings == 0)
cout << "Please enter the details before asking to print." << " ";
break;
case 'P':
if (numOfReadings == 0)
{
cout << "Please enter the details before asking to print." << " ";
break;
}
cout << "*****" << name << "*****" << " ";
cout << "Temperature: " << temperatures[0] << " ";
cout << "Wind speed: " << windSpeeds[0] << " ";
cout << "Wind direction: " << windDirections[0] << " " << " ";
break;
case 'E':
return 0; //Stops execution.
default:
cout << "Invalid choice. Please follow the menu." << " ";
}
}
}
Explanation / Answer
ANSWER::
#include <iostream>
#include <cmath>
using namespace std;
double windChill(double v, double t);
double f2c(int tempF);
double c2f(int tempC);
int main( )
{
double t,v,W;
int tempF,
tempC;
cout << "Enter the temperature in Farenheit: ";
cin >> t;
cout << "Enter the wind velocity in meters per second (m/s): ";
cin >> v;
cout << "temp in F is " << t << endl;
cout << "windspeed is " << v << endl;
tempC = f2c(t);
cout << "Temp in C is : " << tempC << endl;
if (tempC <= 10)
{
W = windChill(v, tempC);
cout << "Windchill is : " << W << endl;
tempF = c2f(tempC);
cout << "Temp in F after windchill is : " << tempF << endl;
cout.setf(ios::fixed);
cout.setf(ios::showpoint);
cout.precision(2);
cout << "The windchill is " << W << " degrees Celcius ";
cout << "and " << tempF << " degrees Farenheidt.";
return(0);
}
else
cout << "The Farenheidt temperature you entered is less than 10 degrees Celcius. Windchill is negligable.";
return (0);
}
}
double windChill(double v, double t)
{
double W;
W = (33-(((10 * sqrt(v))-v+10.5)*(33-t))/23.1);
return W;
}
double f2c(int tempF)
{
double tempC;
tempC = (5/9)*(tempF + 32);
return tempC;
}
double c2f(int tempC)
{
double tempF;
tempF = (9/5)*(tempC - 32);
return tempF;
}
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