Please send questions to st10@humboldt.edu .
#include <iostream>
#include <cmath>
#include "circ_area.h"
using namespace std;


int main()
{
    cout << boolalpha;
    cout << endl;
    cout << "testing circ_area: true's should mean passed: " << endl;
    cout << "---------------------------------------" << endl;
    cout << "(circ_area(0) == 0): " << (circ_area(0) == 0) << endl;
    cout << "(abs(circ_area(10) - 314.159) < 0.001): " << (abs(circ_area(10) - 314.159) < 0.001) << endl;
    cout << endl;

    return EXIT_SUCCESS;
}