/*
 * \AUTHOR: Serena Pallecchi student of Computer Science University of Pisa (Italy)
 *                      Commission from Faunalia Pontedera (PI) www.faunalia.it
 *
 *   This program is free software under the GPL (>=v2)
 *   Read the COPYING file that comes with GRASS for details.
 *       
 */

#define AVL_S 1
#define AVL_D 2
#define AVL_SS 11
#define AVL_SD 12
#define AVL_DD 22
#define AVL_DS 21


#define AVL_PRES 0
#define AVL_ADD 1
#define AVL_ERR -1
