// File program2.cpp
// Author: Joseph Ediger
// Student ID: Y493G938
// Assignment Number: 2
// Purpose: The program will allow you to continually enter numbers until you hit zero. It will then display the largest number in the sequence.
// Last Changed: September 2, 2014

#include <iostream>
using namespace std;

int main(void)
{
    double a, b; // User Entered
    a = 0;
    b = 1;


    cout.setf(ios::fixed);
    cout.setf(ios::showpoint);
    cout.precision(3); // Sets three decimal places

    cout << "Entering 0 will terminate the sequence of input values." << endl;
    cout << "Enter a number: ";
    cin >> a;

    if (a < 0)
        {
            cout << "Negative numbers are invalid. Program will terminate." << endl;

            return 0;
        }




    while (b != 0)
    {
        double c; // Computed

        cout << "Enter a number: ";
        cin >> b;

        if (b < 0)
        {
            cout << "Negative numbers are invalid. Program will terminate." << endl;

            return 0;
        }

        c = b;
        if(c > a)
        {
            a = c;
        }
    }

    cout << "The largest number you entered was " << a << endl;

    return 0;
}