text: /*
   *  OpenMP lecture exercises
   *  Copyright (C) 2011 by Christian Terboven <terboven@rz.rwth-aachen.de>
   *
   *  This program is free software; you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation; either version 2 of the License, or
   *  (at your option) any later version.
   *
   *  This program is distributed in the hope that it will be useful,
   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *  GNU General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License
   *  along with this program; if not, write to the Free Software
   *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
   *
   */
  
  #include <stdio.h>
  #include <omp.h>
  
  
  int fib(int n)
  {
    int x, y;
    if (n < 2) 
  	  return n;
  
    x = fib(n - 1);
  
    y = fib(n - 2);
  
    return x+y;
  
  }
  
  
  int main()
  {
    int n,fibonacci;
    double starttime;
  //  printf("Please insert n, to calculate fib(n): \n");
  //  scanf("%d",&n);
   
    n=34;
    starttime=omp_get_wtime();
  
    fibonacci=fib(n);
  
    printf("fib(%d)=%d \n",n,fibonacci);
    printf("calculation took %lf sec\n",omp_get_wtime()-starttime);
    return 0;
  }
  