c_clear.c

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/*!
   \file cluster/c_clear.c
 
   \brief Cluster library - Clear structures
 
   (C) 2001-2009 by the GRASS Development Team
 
   This program is free software under the GNU General Public License
   (>=v2). Read the file COPYING that comes with GRASS for details.
 
   \author Original author CERL
 */
 
#include <grass/cluster.h>
 
/*!
   \brief Clear Cluster structure
 
   \param C pointer to Cluster structure
 
   \return 0
 */
int I_cluster_clear(struct Cluster *C)
{
    C->points = NULL;
    C->band_sum = NULL;
    C->band_sum2 = NULL;
    C->class = NULL;
    C->reclass = NULL;
    C->count = NULL;
    C->countdiff = NULL;
    C->sum = NULL;
    C->sumdiff = NULL;
    C->sum2 = NULL;
    C->mean = NULL;
    C->nbands = 0;
    I_init_signatures(&C->S, 0);
 
    return 0;
}