Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Consider the provided C++ code in the main.cpp file:

The function func2 has three parameters of type int, int, and double, say a, b, and c, respectively. Write the definition of func2 so that its action is as follows:

  • Prompt the user to input two integers and store the numbers in a and b, respectively.
  • If both of the numbers are nonzero:
  • If a >= b, the value assigned to c is a to the power b, that is, aᵇ.
  • If a < b, the value assigned to c is b to the power a, that is, bᵃ.
  • If a is nonzero and b is zero, the value assigned to c is the square root of the absolute value of a.
  • If b is nonzero and a is zero, the value assigned to c is the square root of the absolute value of b.
  • Otherwise, the value assigned to c is 0. The values of a, b, and c are passed back to the calling environment. After completing the definition of the func2 and writing its function prototype, run your program.

Code Given:

#include <iostream>
#include <cmath>
#include <iomanip>
using namespace std;
void func1();
void func2(/*formal parameters*/);
int main()
{
int num1, num2;
double num3;
int choice;
cout << fixed << showpoint << setprecision(2);
do
{
func1();
cin >> choice;
cout << endl;
if (choice ==1)
{
func2(num1, num2, num3);
cout << num1 << ", " << num2 << ", " << num3 << endl;
}
}
while (choice !=99);
return0;
}
void func1()
{
cout << "To run the program, enter 1." << endl;
cout << "To exit the pogram, enter 99." << endl;
cout << "Enter 1 or 99: ";
}
void func2(/*formal parameters*/)
{
//Write the body of func2.
}
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