//  File: makesortedfile.C
//
//  Use Quicksort to sort an array and store output in a binary file.


#include <iostream.h>
#include <fstream.h>
#include <stdlib.h>
#include "array.h"
#include "sorts.h"

main(int argc, char *argv[]) {
   int size=0, seed=0 ;

   if (argc != 4) {
      cerr << "Usage: makesortedfile size seed fname" << endl ;
      exit(1) ;
   }

   size = atoi(argv[1]) ;
   seed = atoi(argv[2]) ;

   if (size <= 0 || seed <= 0) {
      cerr << "Bad size or seed" << endl ;
      exit(1) ;
   }

   Array A(size, seed) ;

   QuickSort(A) ;

   ofstream ofile ;

   ofile.open(argv[3]) ;
   if (ofile == NULL) {
     cerr << "Could not open file " << argv[3] << " for output!" << endl ;
     exit(1) ;
   }

   ofile.write((char *) A.arr, sizeof(DATA)*A.length()) ;

   ofile.close() ;
}