/* Filename:  readfile.cpp

   Author:  Br. David Carlson

   Date:  January 8, 2000

   Modified:  June 26, 2000

   This program reads floating point numbers from the text file
   readfile.txt and finds and prints their average.  The text
   file readfile.txt should have the numbers on separate lines or
   separated by blank space.
*/

#include <iostream>
#include <fstream>   // needed for files
using namespace std;


int main(void)
   {
   fstream InFile;
   float Num, Total;
   int Count;

   InFile.open("readfile.txt", ios::in);
   if (InFile.fail())
      {
      cout << "Could not open readfile.txt" << endl;
      exit(1);
      }

   Count = 0;
   Total = 0.0;

   InFile >> Num;

   while (! InFile.fail())
      {
      Total = Total + Num;
      Count++;
      InFile >> Num;
      }

   if (Count > 0)
      cout << "Average is " << Total / Count << endl;
   else
      cout << "No data given" << endl;

   InFile.close();
   return 0;
   }