diff options
| author | Hans-Christoph Steiner <eighthave@users.sourceforge.net> | 2010-04-26 03:10:47 +0000 |
|---|---|---|
| committer | IOhannes m zmölnig <zmoelnig@iem.at> | 2015-10-14 13:53:22 +0200 |
| commit | 8b0873392ad0db55fdb9d0cdfc670366bc96a9c9 (patch) | |
| tree | dfc09d2f2d60aac05d656906c3729348344da9d7 /src/delta.c | |
| parent | 534b4462f8efc240b8b3d76d56613f38d9a9fef4 (diff) | |
converted maxlib to use libdir template, in preparations for debianizing it
svn path=/trunk/externals/maxlib/; revision=13476
Diffstat (limited to 'src/delta.c')
| -rw-r--r-- | src/delta.c | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/src/delta.c b/src/delta.c deleted file mode 100644 index 41e9b6e..0000000 --- a/src/delta.c +++ /dev/null @@ -1,139 +0,0 @@ -/* ------------------------- delta ------------------------------------------ */
-/* */
-/* Claculate 1st or 2nd order difference. */
-/* Written by Olaf Matthes (olaf.matthes@gmx.de) */
-/* Inspired by code written by Trond Lossius. */
-/* Get source at http://www.akustische-kunst.org/puredata/maxlib/ */
-/* */
-/* 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. */
-/* */
-/* Based on PureData by Miller Puckette and others. */
-/* */
-/* ---------------------------------------------------------------------------- */
-
-#include "m_pd.h"
-#include <stdio.h>
-
-#define MAXSIZE 32
-
-static char *version = "delta v0.1, written by Olaf Matthes <olaf.matthes@gmx.de>";
-
-typedef struct delta
-{
- t_object x_ob;
- t_outlet *x_out; /* result */
- t_int x_order; /* 1st or second order */
- t_int x_clearflag;
- t_float x_delta; /* the result */
-
- t_float x_prev; /* previous value */
- t_float x_prev2; /* value previous to previous value */
-} t_delta;
-
-static void delta_clear(t_delta *x)
-{
- if(x->x_order == 2)
- x->x_clearflag = 2;
- else
- x->x_clearflag = 1;
- x->x_delta = 0;
-}
-
-static void delta_bang(t_delta *x)
-{
- outlet_float(x->x_out, x->x_delta);
-}
-
-static void delta_float(t_delta *x, t_floatarg f)
-{
- if(x->x_order != 2) /* first order */
- {
- if(x->x_clearflag)
- {
- x->x_prev = f;
- x->x_delta = 0;
- x->x_clearflag = 0;
- }
- else
- {
- x->x_delta = f - x->x_prev;
- x->x_prev = f;
- }
- }
- else
- {
- switch(x->x_clearflag)
- {
- case 0:
- x->x_delta = f - 2*x->x_prev + x->x_prev2;
- x->x_prev2 = x->x_prev;
- x->x_prev = f;
- break;
- case 1:
- x->x_prev = f;
- x->x_clearflag--;
- break;
- case 2:
- x->x_prev2 = f;
- x->x_clearflag--;
- break;
- }
- }
- delta_bang(x);
-}
-
-static t_class *delta_class;
-
-static void *delta_new(t_floatarg f)
-{
- int i;
-
- t_delta *x = (t_delta *)pd_new(delta_class);
- x->x_out = outlet_new(&x->x_ob, gensym("float"));
-
- x->x_order = (int)f;
- if(x->x_order == 2)
- x->x_clearflag = 2;
- else
- x->x_clearflag = 1;
- x->x_delta = 0;
-
- return (void *)x;
-}
-
-#ifndef MAXLIB
-void delta_setup(void)
-{
- delta_class = class_new(gensym("delta"), (t_newmethod)delta_new,
- 0, sizeof(t_delta), 0, A_DEFFLOAT, 0);
-#else
-void maxlib_delta_setup(void)
-{
- delta_class = class_new(gensym("maxlib_delta"), (t_newmethod)delta_new,
- 0, sizeof(t_delta), 0, A_DEFFLOAT, 0);
-#endif
- class_addfloat(delta_class, delta_float);
- class_addbang(delta_class, (t_method)delta_bang);
- class_addmethod(delta_class, (t_method)delta_clear, gensym("clear"), 0);
- class_sethelpsymbol(delta_class, gensym("maxlib/delta-help.pd"));
-#ifndef MAXLIB
-
- post(version);
-#else
- class_addcreator((t_newmethod)delta_new, gensym("delta"), A_DEFFLOAT, 0);
- class_sethelpsymbol(delta_class, gensym("maxlib/delta-help.pd"));
-#endif
-}
-
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