coin.cc

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/**************************
 * coin.cc
 * this file contains the definations of the
 * coin class member functions.
 *
 * Written by Paul Eugenio
 * Florida State University
 * 15 Mar 2011
 ***************************/


#include <coin.h>


void coin::flip(){
  if ( drand48() < 0.5 )
    isHeads = true;
  else
    isHeads = false;
  display();
}



void coin::flip( int aN ){
  int numOfHeads = 0;

  for( int n = 0; n < aN; n++ ){
    flip();
    if( isHeads )
      numOfHeads++;
  }
  // print out summary
  cout << "Out of " << aN << " coin flips there were " << numOfHeads 
       << " heads and " << aN - numOfHeads << " tails" << endl; 
}



void coin::display(){
  if( isHeads )
    cout << "Heads" << endl;
  else
    cout << "Tails" << endl;
}

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