// overflow_integer_division.cpp

#include <iostream>
#include <cstdlib>
using namespace std;

int main()
{
	int num1 = 9;		// an int variable used to illustrate integer division & type casting
	int num2 = 2;		// an int variable used to illustrate integer division & type casting
	double num3 = 0.0;	// a double variable used to illustrate integer division
	int salary = 999999999999999999;		// overflow
	double radius = 1.00000000000000000077;		// underflow

	num3 = num1 / num2;			// integer division

	cout << "integer division causes 9 / 2 = " << num3 << endl;

	num3 =  num1 / double (num2);		// type casting the variable num2 to avoid integer division

	cout << "by type casting, we avoid integer division and 9 /2 = " << num3 << endl;

	cout << "trying to store a very large value in an int variable results in overflow: " << salary << endl;

	cout << "underflow occurs since .00000000000000000077 is too small: " << radius - 1 << endl;

	system("pause");
	return 0;
}// end of main