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-rw-r--r--limit.c250
1 files changed, 125 insertions, 125 deletions
diff --git a/limit.c b/limit.c
index cf3d97a..cfd79ea 100644
--- a/limit.c
+++ b/limit.c
@@ -1,125 +1,125 @@
-/* ------------------------- limit ------------------------------------------ */
-/* */
-/* limits 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 = "limit v0.1, written by Olaf Matthes <olaf.matthes@gmx.de>";
-
-typedef struct limit
-{
- t_object x_ob;
- t_float x_ol; /* low border of output range */
- t_float x_oh; /* high border of output range */
- t_float x_ratio; /* 'compression ratio' */
- t_outlet *x_outlet1; /* result */
- t_float x_f;
-} t_limit;
-
-static void limit_float(t_limit *x, t_floatarg f)
-{
- if(x->x_oh < x->x_ol) /* swap values */
- {
- int i = x->x_oh;
- x->x_oh = x->x_ol;
- x->x_ol = i;
- }
- if(x->x_ratio == 0) /* 'clip' mode */
- {
- if(f > x->x_oh)f = x->x_oh;
- else if(f < x->x_ol)f = x->x_ol;
- }
- else /* 'compress' mode */
- {
- int diff;
- if(f > x->x_oh)
- {
- diff = f - x->x_oh;
- f = x->x_oh + (diff / x->x_ratio);
- }
- else if(f < x->x_ol)
- {
- diff = x->x_ol - f;
- f = x->x_ol - (diff / x->x_ratio);
- }
- }
- outlet_float(x->x_outlet1, f);
- x->x_f = f;
-}
-
-static void limit_bang(t_limit *x)
-{
- limit_float(x, x->x_f); /* recalculate result */
-}
-
-static t_class *limit_class;
-
-static void *limit_new(t_floatarg fol, t_floatarg foh, t_floatarg fr)
-{
- t_limit *x = (t_limit *)pd_new(limit_class);
-
- floatinlet_new(&x->x_ob, &x->x_ol);
- floatinlet_new(&x->x_ob, &x->x_oh);
- floatinlet_new(&x->x_ob, &x->x_ratio);
-
- x->x_outlet1 = outlet_new(&x->x_ob, gensym("float"));
-
- /* default values taken from Max's limit */
- x->x_ol = fol;
- x->x_oh = foh;
- if(x->x_oh < x->x_ol) /* swap values */
- {
- int i = x->x_oh;
- x->x_oh = x->x_ol;
- x->x_ol = i;
- }
- x->x_ratio = fr;
- x->x_f = 0;
-
- return (void *)x;
-}
-
-#ifndef MAXLIB
-void limit_setup(void)
-{
- limit_class = class_new(gensym("limit"), (t_newmethod)limit_new,
- 0, sizeof(t_limit), 0, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
-#else
-void maxlib_limit_setup(void)
-{
- limit_class = class_new(gensym("maxlib_limit"), (t_newmethod)limit_new,
- 0, sizeof(t_limit), 0, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
- class_addcreator((t_newmethod)limit_new, gensym("limit"), A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
-#endif
- class_addfloat(limit_class, limit_float);
- class_addbang(limit_class, limit_bang);
-#ifndef MAXLIB
-
- post(version);
-#else
- class_sethelpsymbol(limit_class, gensym("maxlib/limit-help.pd"));
-#endif
-}
-
+/* ------------------------- limit ------------------------------------------ */
+/* */
+/* limits 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 = "limit v0.1, written by Olaf Matthes <olaf.matthes@gmx.de>";
+
+typedef struct limit
+{
+ t_object x_ob;
+ t_float x_ol; /* low border of output range */
+ t_float x_oh; /* high border of output range */
+ t_float x_ratio; /* 'compression ratio' */
+ t_outlet *x_outlet1; /* result */
+ t_float x_f;
+} t_limit;
+
+static void limit_float(t_limit *x, t_floatarg f)
+{
+ if(x->x_oh < x->x_ol) /* swap values */
+ {
+ int i = x->x_oh;
+ x->x_oh = x->x_ol;
+ x->x_ol = i;
+ }
+ if(x->x_ratio == 0) /* 'clip' mode */
+ {
+ if(f > x->x_oh)f = x->x_oh;
+ else if(f < x->x_ol)f = x->x_ol;
+ }
+ else /* 'compress' mode */
+ {
+ int diff;
+ if(f > x->x_oh)
+ {
+ diff = f - x->x_oh;
+ f = x->x_oh + (diff / x->x_ratio);
+ }
+ else if(f < x->x_ol)
+ {
+ diff = x->x_ol - f;
+ f = x->x_ol - (diff / x->x_ratio);
+ }
+ }
+ outlet_float(x->x_outlet1, f);
+ x->x_f = f;
+}
+
+static void limit_bang(t_limit *x)
+{
+ limit_float(x, x->x_f); /* recalculate result */
+}
+
+static t_class *limit_class;
+
+static void *limit_new(t_floatarg fol, t_floatarg foh, t_floatarg fr)
+{
+ t_limit *x = (t_limit *)pd_new(limit_class);
+
+ floatinlet_new(&x->x_ob, &x->x_ol);
+ floatinlet_new(&x->x_ob, &x->x_oh);
+ floatinlet_new(&x->x_ob, &x->x_ratio);
+
+ x->x_outlet1 = outlet_new(&x->x_ob, gensym("float"));
+
+ /* default values taken from Max's limit */
+ x->x_ol = fol;
+ x->x_oh = foh;
+ if(x->x_oh < x->x_ol) /* swap values */
+ {
+ int i = x->x_oh;
+ x->x_oh = x->x_ol;
+ x->x_ol = i;
+ }
+ x->x_ratio = fr;
+ x->x_f = 0;
+
+ return (void *)x;
+}
+
+#ifndef MAXLIB
+void limit_setup(void)
+{
+ limit_class = class_new(gensym("limit"), (t_newmethod)limit_new,
+ 0, sizeof(t_limit), 0, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
+#else
+void maxlib_limit_setup(void)
+{
+ limit_class = class_new(gensym("maxlib_limit"), (t_newmethod)limit_new,
+ 0, sizeof(t_limit), 0, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
+ class_addcreator((t_newmethod)limit_new, gensym("limit"), A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
+#endif
+ class_addfloat(limit_class, limit_float);
+ class_addbang(limit_class, limit_bang);
+#ifndef MAXLIB
+
+ logpost(NULL, 4, version);
+#else
+ class_sethelpsymbol(limit_class, gensym("maxlib/limit-help.pd"));
+#endif
+}
+