// John Bent's CS 110 Hand-out 16
// Input error checking
//
// this code is a loop which does not exit until an integer value has
// been entered, it makes sure that an integer and not a real number has
// been entered and it clears the buffer if a character was entered

#include<iostream.h>

int main()
{
	int I; double D;

	cout << "\n\nEnter an integer:  ";
	cin >> D; // input the double 
	I = (int) D;    // assign it to the integer
	
	
	while (cin.fail() || I != D) {  // if it is not a number or if the
					// truncated integer is not the same
		cin.clear();
		while (cin.get() != '\n') ; // clear the buffer
		cout << "\nI'm sorry, that value is no good.  "
		     << "\nEnter an integer: ";
		cin >> D; // get the double
		I = (int) D; // assign it to the int
	}

	cout << "\nInteger successfully obtained with a value of " << D 
	     << endl << endl;

return 0;
}