diff options
author | Hans-Christoph Steiner <eighthave@users.sourceforge.net> | 2013-01-17 22:54:00 +0000 |
---|---|---|
committer | IOhannes m zmölnig <zmoelnig@iem.at> | 2015-10-14 13:53:22 +0200 |
commit | 71b83fc040b848c98c5065d95ecbc72b0b4f8943 (patch) | |
tree | b64020d616887a488f8304fc13f57ff4d6c4e313 /rewrap.c | |
parent | 2b487890477a2ad969a1694270cee19b1265f3f6 (diff) |
merging maxlib v1.5.5 from branches/pd-extended/0.43HEADsvn2git-headmaster
svn path=/trunk/externals/maxlib/; revision=16897
Diffstat (limited to 'rewrap.c')
-rw-r--r-- | rewrap.c | 310 |
1 files changed, 155 insertions, 155 deletions
@@ -1,155 +1,155 @@ -/* ------------------------- 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
+/* ------------------------- 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); + + logpost(NULL, 4, 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 |