1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/* 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"
#define MINIMUM_C74MAXITEMS 256
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 > MINIMUM_C74MAXITEMS)
loud_incompatible_max(*(t_pd *)x, MINIMUM_C74MAXITEMS, "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);
}
|
