From 71b83fc040b848c98c5065d95ecbc72b0b4f8943 Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Thu, 17 Jan 2013 22:54:00 +0000 Subject: merging maxlib v1.5.5 from branches/pd-extended/0.43 svn path=/trunk/externals/maxlib/; revision=16897 --- wrap.c | 284 ++++++++++++++++++++++++++++++++--------------------------------- 1 file changed, 142 insertions(+), 142 deletions(-) (limited to 'wrap.c') diff --git a/wrap.c b/wrap.c index 2272045..b7a63c4 100644 --- a/wrap.c +++ b/wrap.c @@ -1,142 +1,142 @@ -/* ------------------------- wrap ------------------------------------------ */ -/* */ -/* wraps input to lie within an output range. */ -/* Written by Olaf Matthes */ -/* 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 -#include - -static char *version = "wrap v0.1, written by Olaf Matthes "; - -typedef struct wrap -{ - 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; /* wrap outlet */ -} t_wrap; - -static void wrap_float(t_wrap *x, t_floatarg f) -{ - t_float min = x->x_min; - t_float max = x->x_max; - t_float range = max - min; - t_int i; - - if(range == 0.0f) - { - f = min; - outlet_float(x->x_outlet2, 0); - } - else if(f < min) - { - t_float diff = min - f; - t_float n = ceil(diff / range); - - f += n * range; - - outlet_float(x->x_outlet2, -(t_int)n); - } - else if (f >= max) - { - t_float diff = f - max; - t_float n = floor(diff / range) + 1.0f; - - f -= n * range; - - outlet_float(x->x_outlet2, (t_int)n); - } - else - outlet_float(x->x_outlet2, 0.0f); - - outlet_float(x->x_outlet1, f); -} - -static void wrap_a(t_wrap *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 wrap_b(t_wrap *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 *wrap_class; - -static void *wrap_new(t_floatarg fmin, t_floatarg fmax) -{ - t_wrap *x = (t_wrap *)pd_new(wrap_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; - wrap_b(x, fmax); - - return (void *)x; -} - -#ifndef MAXLIB -void wrap_setup(void) -{ - wrap_class = class_new(gensym("wrap"), (t_newmethod)wrap_new, - 0, sizeof(t_wrap), 0, A_DEFFLOAT, A_DEFFLOAT, 0); -#else -void maxlib_wrap_setup(void) -{ - wrap_class = class_new(gensym("maxlib_wrap"), (t_newmethod)wrap_new, - 0, sizeof(t_wrap), 0, A_DEFFLOAT, A_DEFFLOAT, 0); - class_addcreator((t_newmethod)wrap_new, gensym("wrap"), A_DEFFLOAT, A_DEFFLOAT, 0); -#endif - class_addfloat(wrap_class, wrap_float); - class_addmethod(wrap_class, (t_method)wrap_a, gensym("a"), A_FLOAT, 0); - class_addmethod(wrap_class, (t_method)wrap_b, gensym("b"), A_FLOAT, 0); -#ifndef MAXLIB - - post(version); -#else - class_sethelpsymbol(wrap_class, gensym("maxlib/wrap-help.pd")); -#endif -} - +/* ------------------------- wrap ------------------------------------------ */ +/* */ +/* wraps input to lie within an output range. */ +/* Written by Olaf Matthes */ +/* 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 +#include + +static char *version = "wrap v0.1, written by Olaf Matthes "; + +typedef struct wrap +{ + 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; /* wrap outlet */ +} t_wrap; + +static void wrap_float(t_wrap *x, t_floatarg f) +{ + t_float min = x->x_min; + t_float max = x->x_max; + t_float range = max - min; + t_int i; + + if(range == 0.0f) + { + f = min; + outlet_float(x->x_outlet2, 0); + } + else if(f < min) + { + t_float diff = min - f; + t_float n = ceil(diff / range); + + f += n * range; + + outlet_float(x->x_outlet2, -(t_int)n); + } + else if (f >= max) + { + t_float diff = f - max; + t_float n = floor(diff / range) + 1.0f; + + f -= n * range; + + outlet_float(x->x_outlet2, (t_int)n); + } + else + outlet_float(x->x_outlet2, 0.0f); + + outlet_float(x->x_outlet1, f); +} + +static void wrap_a(t_wrap *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 wrap_b(t_wrap *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 *wrap_class; + +static void *wrap_new(t_floatarg fmin, t_floatarg fmax) +{ + t_wrap *x = (t_wrap *)pd_new(wrap_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; + wrap_b(x, fmax); + + return (void *)x; +} + +#ifndef MAXLIB +void wrap_setup(void) +{ + wrap_class = class_new(gensym("wrap"), (t_newmethod)wrap_new, + 0, sizeof(t_wrap), 0, A_DEFFLOAT, A_DEFFLOAT, 0); +#else +void maxlib_wrap_setup(void) +{ + wrap_class = class_new(gensym("maxlib_wrap"), (t_newmethod)wrap_new, + 0, sizeof(t_wrap), 0, A_DEFFLOAT, A_DEFFLOAT, 0); + class_addcreator((t_newmethod)wrap_new, gensym("wrap"), A_DEFFLOAT, A_DEFFLOAT, 0); +#endif + class_addfloat(wrap_class, wrap_float); + class_addmethod(wrap_class, (t_method)wrap_a, gensym("a"), A_FLOAT, 0); + class_addmethod(wrap_class, (t_method)wrap_b, gensym("b"), A_FLOAT, 0); +#ifndef MAXLIB + + logpost(NULL, 4, version); +#else + class_sethelpsymbol(wrap_class, gensym("maxlib/wrap-help.pd")); +#endif +} + -- cgit v1.2.1