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#include "fib.hpp"
#include <string>
#include <iostream>
#include <stdexcept>
using namespace std;
int Fibonacci::fib(const int n) const
{
// cout << "start" << endl;
if (n < 0) {
// HOW??
cout << "wtfff got ( " << n << " )" << endl;
// https://stackoverflow.com/questions/8480640/how-to-throw-a-c-exception
throw invalid_argument("received negative value");
} else if (n == 0) {
// cout << "********************* LINE 12" << endl;
// https://stackoverflow.com/questions/1451170/in-the-fibonacci-sequence-is-fib0-0-or-1
return 0; //1; ??????
} else if (n == 1) {
// cout << "!!!!!!!!!!!!!!!!!!!!!!!!!!!!! LINE 15" << endl;
return 1;
} else {
// cout << "GOT TO LINE 19" << endl;
// cout << "got here" << endl;
// int retVal = fib(n - 1) + fib(n - 2);
return fib(n - 1) + fib(n - 2);
// // cout << "here" << endl;
// cout << "returning: (" << retVal << " )" << endl;
}
}
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