diff options
Diffstat (limited to 'cyclone/hammer/minimum.c')
-rw-r--r-- | cyclone/hammer/minimum.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/cyclone/hammer/minimum.c b/cyclone/hammer/minimum.c new file mode 100644 index 0000000..466b6f8 --- /dev/null +++ b/cyclone/hammer/minimum.c @@ -0,0 +1,88 @@ +/* Copyright (c) 2002-2003 krzYszcz and others. + * For information on usage and redistribution, and for a DISCLAIMER OF ALL + * WARRANTIES, see the file, "LICENSE.txt," in this distribution. */ + +#include "m_pd.h" +#include "common/loud.h" + +typedef struct _minimum +{ + t_object x_ob; + t_float x_last; + t_float x_test; +} t_minimum; + +static t_class *minimum_class; + +static void minimum_bang(t_minimum *x) +{ + outlet_float(((t_object *)x)->ob_outlet, x->x_last); +} + +static void minimum_float(t_minimum *x, t_float f) +{ + outlet_float(((t_object *)x)->ob_outlet, + x->x_last = (f < x->x_test ? f : x->x_test)); +} + +static void minimum_list(t_minimum *x, t_symbol *s, int ac, t_atom *av) +{ + if (ac > 256) loud_incompatible_max(*(t_pd *)x, 256, "items"); + while (ac && av->a_type != A_FLOAT) ac--, av++; /* CHECKME (a warning?) */ + if (ac) + { + t_float fpick = av->a_w.w_float; + ac--; av++; + while (ac && av->a_type != A_FLOAT) ac--, av++; /* CHECKME */ + if (ac) + { + t_float fnext, f = av->a_w.w_float; + if (f < fpick) + { + fnext = fpick; + fpick = f; + } + else fnext = f; + ac--; av++; + while (ac--) + { + if (av->a_type == A_FLOAT) + { + f = av->a_w.w_float; + if (f < fpick) + { + fnext = fpick; + fpick = f; + } + else if (f < fnext) fnext = f; + } + /* CHECKME else */ + av++; + } + x->x_test = fnext; + outlet_float(((t_object *)x)->ob_outlet, x->x_last = fpick); + } + else minimum_float(x, fpick); /* CHECKME */ + } + /* CHECKME else */ +} + +static void *minimum_new(t_floatarg f) +{ + t_minimum *x = (t_minimum *)pd_new(minimum_class); + x->x_last = 0; /* CHECKME */ + x->x_test = f; + floatinlet_new((t_object *)x, &x->x_test); + outlet_new((t_object *)x, &s_float); + return (x); +} + +void minimum_setup(void) +{ + minimum_class = class_new(gensym("minimum"), + (t_newmethod)minimum_new, 0, + sizeof(t_minimum), 0, A_DEFFLOAT, 0); + class_addbang(minimum_class, minimum_bang); + class_addfloat(minimum_class, minimum_float); + class_addlist(minimum_class, minimum_list); +} |