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/* 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_block.h"
#include "dynlib_scicos_blocks.h"
/*--------------------------------------------------------------------------*/
SCICOS_BLOCKS_IMPEXP void signum(scicos_block *block, int flag)
{
int i = 0, j = 0;
if (flag == 1)
{
for (i = 0; i < block->insz[0]; ++i)
{
if (get_phase_simulation() == 1 || block->ng == 0)
{
if (block->inptr[0][i] < 0)
{
j = 2;
}
else if (block->inptr[0][i] > 0)
{
j = 1;
}
else
{
j = 0;
}
}
else
{
j = block->mode[i];
}
if (j == 1)
{
block->outptr[0][i] = 1.0;
}
else if (j == 2)
{
block->outptr[0][i] = -1.0;
}
else
{
block->outptr[0][i] = 0.0;
}
}
}
else if (flag == 9)
{
for (i = 0; i < block->insz[0]; ++i)
{
block->g[i] = block->inptr[0][i];
if (get_phase_simulation() == 1)
{
if (block->g[i] < 0)
{
block->mode[i] = 2;
}
else
{
block->mode[i] = 1;
}
}
}
}
}
/*--------------------------------------------------------------------------*/
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