File: igraph_marked_queue.c

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/* -*- mode: C -*-  */
/* 
   IGraph library.
   Copyright (C) 2010-2012  Gabor Csardi <csardi.gabor@gmail.com>
   334 Harvard st, Cambridge MA, 02139 USA
   
   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 <igraph.h>
#include "igraph_marked_queue.h"

int main() {
  igraph_marked_queue_t Q;
  long int i;
  
  igraph_marked_queue_init(&Q, 100);
  for (i=0; i<50; i++) {
    igraph_marked_queue_push(&Q, i);
    if (!igraph_marked_queue_iselement(&Q, i)) {
      return 4;
    }
    if (! ((i+1) % 5)) {
      igraph_marked_queue_start_batch(&Q);
    }
  }

  for (i=1; i<50; i++) {
    if (!igraph_marked_queue_iselement(&Q, i)) {
      printf("Problem with %li.\n", i);
      return 3;
    }
  }

  for (i=0; i<=50/5; i++) {
    if (igraph_marked_queue_empty(&Q)) {
      return 1;
    }
    igraph_marked_queue_pop_back_batch(&Q);
  }
  if (!igraph_marked_queue_empty(&Q)) {
    return 2;
  }

  igraph_marked_queue_destroy(&Q);

  return 0;
}