Get a copy of the area.cpp file by: o Entering the cp command: cp Inet/datalftp/

Question

Get a copy of the area.cpp file by: o Entering the cp command: cp Inet/datalftp/pub/class/110/ftp/cpp/area.cpp area.cpp or, using your mouse to copy and paste the program into Pico, or o using the Hercules command-line ftp program to copy this file from the CS Department's anonymous ftp site. The path: pub/class/110/ttp/cpp The file area.cpp The purpose of this program is to practice using user defined functions with reference parameters . Add code to the program to complete it. Compile and run this C++ program. When it is running correctly, show it to your lab instructor. Copyright: Department of Computer Science, University of Regina.

Explanation / Answer

Let's start with answer.

I have improvised the code a bit for better viewing and to remove compilations errors.

1. Made all float to double to mainatin uniformity.

2. Added extra endl for better spacing.

Code:(Comments have been added).

#include <iostream>

using namespace std;

void GetValues(double &, double &);

double ComputeArea(double, double);

void PrintArea(double);

int main()
{
double length, width, area;

cout << "This program computes the area of a rectangle." << endl;
cout << "You will be prompted to enter both the length and width.";
cout << endl << "Enter a real number (such as 7.88 or 6.3) for each.";
cout << endl << "The program will then compute and print the area.";
cout << endl << endl;

GetValues(length, width);
area = ComputeArea(length, width);
PrintArea(area);

return 0;
}

void GetValues(double & l, double & w){
// Ask user for length.
cout << "Enter length of rectangle:";
// User input length.
cin >> l;
// Ask user for width.
cout << "Enter width of rectangle:";
// User input width.
cin >> w;
}

double ComputeArea(double l, double w){
// Area of rectangle is multiplication of length and width.
return l*w;
}

void PrintArea(double a){
// Show user area of rectangle.
cout << endl << "The area of rectangle is " << a << endl;
}

This completes my answer, for any extra querries post in comments.

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