/* noglob2.cpp
 * CS401 - Intro to Comp Sci
 *
 * how global variables can screw you over
 * 
 */
#include <iostream>
#include <string>
#include <conio>
using namespace std;

const double Pi = 3.14159;
double cylinderVolume();

int main() {
	
	int r, h;
	cout << "this will compute cylindrical volume.\n\n";
	cout << "enter radius: ";
	cin >> r;
	cout << "enter height: ";
	cin >> h;

	// input is in r and h, NOW WHAT???  the function is useless and
	// needs to be modified to work here - it was a poorly written 
	// function to begin with, not modular at all
	cout << "the answer is " << cylinderVolume() << endl;
}

double cylinderVolume() {
	return (Pi * inp1 * inp1 * inp2);
}