// Fig. 4.17: Analysis.cpp
// Member-function definitions for class Analysis that 
// analyzes examination results.
#include <iostream>
using std::cout;
using std::cin;
using std::endl;

// include definition of class Analysis from Analysis.h
#include "Analysis.h" 

// process the examination results of 10 students
void Analysis::processExamResults()
{
   // initializing variables in declarations 
   int passes = 0; // number of passes       
   int failures = 0; // number of failures   
   int studentCounter = 1; // student counter
   int result; // one exam result (1 = pass, 2 = fail)

   // process 10 students using counter-controlled loop
   while ( studentCounter <= 10 ) 
   {
      // prompt user for input and obtain value from user
      cout << "Enter result (1 = pass, 2 = fail): ";
      cin >> result; // input result

      // if...else nested in while                           
      if ( result == 1 )          // if result is 1,         
         passes = passes + 1;     // increment passes;       
      else                        // else result is not 1, so
         failures = failures + 1; // increment failures      

      // increment studentCounter so loop eventually terminates
      studentCounter = studentCounter + 1; 
   } // end while 

   // termination phase; display number of passes and failures
   cout << "Passed " << passes << "\nFailed " << failures << endl;

   // determine whether more than eight students passed
   if ( passes > 8 )
      cout << "Raise tuition " << endl; 
} // end function processExamResults

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