diff options
Diffstat (limited to 'src/rewrap.c')
| -rw-r--r-- | src/rewrap.c | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/src/rewrap.c b/src/rewrap.c deleted file mode 100644 index e429dc0..0000000 --- a/src/rewrap.c +++ /dev/null @@ -1,155 +0,0 @@ -/* ------------------------- rewrap ------------------------------------------ */
-/* */
-/* rewraps input to lie within an output range. */
-/* Written by Olaf Matthes <olaf.matthes@gmx.de> */
-/* 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>
-#include <math.h>
-
-static char *version = "rewrap v0.1, written by Olaf Matthes <olaf.matthes@gmx.de>";
-
-typedef struct rewrap
-{
- t_object x_ob;
- t_float x_min; /* low border of input range */
- t_float x_max; /* high border of input range */
- t_outlet *x_outlet1; /* path-through outlet */
- t_outlet *x_outlet2; /* rewrap outlet */
-} t_rewrap;
-
-static void rewrap_float(t_rewrap *x, t_floatarg f)
-{
- t_float min = x->x_min;
- t_float max = x->x_max;
- t_float range = 2.0f * (max - min);
- t_int i;
-
- if(range == 0.0f)
- {
- f = min;
- outlet_float(x->x_outlet2, 0);
- }
- else if(f < min)
- {
- float diff = min - f;
- float n = ceil(diff / range);
-
- f += n * range;
-
- if(f >= max)
- {
- f = 2 * max - f;
- n -= 0.5;
- }
-
- outlet_float(x->x_outlet2, (t_int)(-2.0f * n));
- }
- else if (f >= max)
- {
- float diff = f - max;
- float n = floor(diff / range) + 1.0f;
-
- f -= n * range;
-
- if(f < min)
- {
- f = 2 * min - f;
- n -= 0.5;
- }
-
- outlet_float(x->x_outlet2, (t_int)(2.0f * n));
- }
- else
- outlet_float(x->x_outlet2, 0.0f);
-
-
- outlet_float(x->x_outlet1, f);
-}
-
-static void rewrap_a(t_rewrap *x, t_floatarg a)
-{
- t_float max = x->x_max;
-
- if(a <= max)
- x->x_min = a;
- else
- {
- x->x_min = max;
- x->x_max = a;
- }
-}
-
-static void rewrap_b(t_rewrap *x, t_floatarg b)
-{
- t_float min = x->x_min;
-
- if(b >= min)
- x->x_max = b;
- else
- {
- x->x_max = min;
- x->x_min = b;
- }
-}
-
-static t_class *rewrap_class;
-
-static void *rewrap_new(t_floatarg fmin, t_floatarg fmax)
-{
- t_rewrap *x = (t_rewrap *)pd_new(rewrap_class);
-
- inlet_new(&x->x_ob, &x->x_ob.ob_pd, gensym("float"), gensym("a"));
- inlet_new(&x->x_ob, &x->x_ob.ob_pd, gensym("float"), gensym("b"));
-
- x->x_outlet1 = outlet_new(&x->x_ob, gensym("float"));
- x->x_outlet2 = outlet_new(&x->x_ob, gensym("float"));
-
- x->x_min = fmin;
- rewrap_b(x, fmax);
-
- return (void *)x;
-}
-
-#ifndef MAXLIB
-void rewrap_setup(void)
-{
- rewrap_class = class_new(gensym("rewrap"), (t_newmethod)rewrap_new,
- 0, sizeof(t_rewrap), 0, A_DEFFLOAT, A_DEFFLOAT, 0);
- class_addfloat(rewrap_class, rewrap_float);
- class_addmethod(rewrap_class, (t_method)rewrap_a, gensym("a"), A_FLOAT, 0);
- class_addmethod(rewrap_class, (t_method)rewrap_b, gensym("b"), A_FLOAT, 0);
-
- post(version);
-}
-#else
-void maxlib_rewrap_setup(void)
-{
- rewrap_class = class_new(gensym("maxlib_rewrap"), (t_newmethod)rewrap_new,
- 0, sizeof(t_rewrap), 0, A_DEFFLOAT, A_DEFFLOAT, 0);
- class_addcreator((t_newmethod)rewrap_new, gensym("rewrap"), A_DEFFLOAT, A_DEFFLOAT, 0);
- class_addfloat(rewrap_class, rewrap_float);
- class_addmethod(rewrap_class, (t_method)rewrap_a, gensym("a"), A_FLOAT, 0);
- class_addmethod(rewrap_class, (t_method)rewrap_b, gensym("b"), A_FLOAT, 0);
- class_sethelpsymbol(rewrap_class, gensym("maxlib/rewrap-help.pd"));
-}
-#endif
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