/*  Scicos
*
*  Copyright (C) INRIA - METALAU Project <scicos@inria.fr>
*
* 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.
*
* See the file ./license.txt
*/
/*--------------------------------------------------------------------------*/
#include <math.h>
#include "scicos_block4.h"
#include "MALLOC.h"
#include "dynlib_scicos_blocks.h"
/*--------------------------------------------------------------------------*/
SCICOS_BLOCKS_IMPEXP void counter(scicos_block *block, int flag)
{
    double *y = NULL, *z = NULL;
    int *ipar = NULL;
    y = GetRealOutPortPtrs(block, 1);
    z = GetDstate(block);
    ipar = GetIparPtrs(block);
    if (flag == 1)
    {
        if (*ipar == 1)
        {
            *y = *z + *(ipar + 2);
        }
        else
        {
            *y = *(ipar + 1) - *z;
        }
    }
    else if (flag == 2)
    {
        *z = (1 + (int) * z) % (*(ipar + 1) - * (ipar + 2) + 1);
    }
}
/*--------------------------------------------------------------------------*/