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/*

  This is part of Patchwork13! the real-time data synthesis toolkit.
  http://patchwork13.sourceforge.net/

  pw13_std - the patchwork13 standard patches library
  Copyright (C) 2005 Thomas de Grivel <billitch@yahoo.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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*

  sub.pw13p.c  -  short substraction patch

*/
#include <pw13/pw13.h>
#include <std/short.pw13dt.h>


static void patch_pump (Pw13_Patch *p, Pw13_Time *time)
{
  pw13_pump_sources (p, time);

  pw13_short_output_val (p->output[0]) =
    ( pw13_short_input_val (p->input)
      - pw13_short_input_val (p->input+1) );
}

PW13_EXPORT
int pw13_dl_patch_class_init (const char *name, Pw13_Patch *p, void *param)
{
  pw13_patch_init (name, p, 2, 1);
  pw13_short_input ("A", p->input, p, 0);
  pw13_short_input ("B", p->input+1, p, 0);
  pw13_short_output ("A-B", p->output, p);
  p->pump = patch_pump;
  param = param;
  return 1;
}
thodg/patchwork13/std/short/sub.pw13p.c

Commit

std/short/sub.pw13p.c
