/*  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 <stdio.h>
#include <math.h>
#include <stdlib.h>
#include "core_math.h"
#include "scicos.h"
#include "dynlib_scicos_blocks.h"
/*--------------------------------------------------------------------------*/
/*------------------------------------------------
 *     Scicos block simulator
 *     A set of elementary blocks
 *------------------------------------------------*/

/*------------------------------------------------
 *     Scicos block simulator
 *     Dead Band,
 *     if u(i)<0 ,y(i)=Min(0,u+DB(i)/2)
 *     else       y(i)=Max(0,u-DB(i)/2)
 *     DB(i)=rpar(i)
 *------------------------------------------------*/

SCICOS_BLOCKS_IMPEXP void dband (int *flag, int *nevprt, double*t, double*xd,
                                 double *x, int *nx, double*z, int *nz,
                                 double *tvec, int *ntvec, double *rpar,
                                 int *nrpar, int *ipar, int *nipar, double*u,
                                 int *nu, double *y, int *ny)
{
    int i = 0;

    for ( i = 0 ; i < *nu ; i++ )
    {
        if ( u[i] < 0 )
        {
            y[i] = Min(0.00, u[i] + rpar[i] / 2.00);
        }
        else
        {
            y[i] = Max(0.00, u[i] - rpar[i] / 2.00);
        }
    }
}
/*--------------------------------------------------------------------------*/
SCICOS_BLOCKS_IMPEXP void C2F(dband) (int *flag, int *nevprt, double*t, double*xd,
                                      double *x, int *nx, double*z, int *nz,
                                      double *tvec, int *ntvec, double *rpar,
                                      int *nrpar, int *ipar, int *nipar, double*u,
                                      int *nu, double *y, int *ny)
{
    dband (flag, nevprt, t, xd,	x, nx, z, nz, tvec, ntvec, rpar,
           nrpar, ipar, nipar, u, nu, y, ny);
}
/*--------------------------------------------------------------------------*/