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
|
/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iem_dp written by IOhannes m zmoelnig, Thomas Musil, Copyright (c) IEM KUG Graz Austria 1999 - 2007 */
/* double precision library */
#include "m_pd.h"
#include "iemlib.h"
#include "iem_dp.h"
/* -------------------------- tabread__ ------------------------------ */
/* based on miller's tabread which is part of pd */
static t_class *tabread_dp_class;
typedef struct _tabread_dp
{
t_object x_obj;
t_symbol *x_arrayname;
t_float x_residual;
} t_tabread_dp;
static void *tabread_dp_new(t_symbol *s)
{
t_tabread_dp *x = (t_tabread_dp *)pd_new(tabread_dp_class);
x->x_arrayname = s;
floatinlet_new(&x->x_obj, &x->x_residual);
outlet_new(&x->x_obj, &s_float);
return (x);
}
static void tabread_dp_float(t_tabread_dp *x, t_floatarg f)
{
t_garray *a;
iemarray_t *vec;
int npoints;
if (!(a = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class)))
{
if (*x->x_arrayname->s_name)
pd_error(x, "tabread__: %s: no such array", x->x_arrayname->s_name);
vec = 0;
}
else if (!iemarray_getarray(a, &npoints, &vec))
{
pd_error(x, "%s: bad template for tabread__", x->x_arrayname->s_name);
vec = 0;
}
else
{
double findex = iem_dp_calc_sum(f, x->x_residual);
int n = findex;
if(n < 0)
n = 0;
else if(n >= npoints)
n = npoints - 1;
outlet_float(x->x_obj.ob_outlet, (npoints ? iemarray_getfloat(vec, n) : 0));
}
}
static void tabread_dp_set(t_tabread_dp *x, t_symbol *s)
{
x->x_arrayname = s;
}
static void tabread_dp_free(t_tabread_dp *x)
{
}
void tabread_dp_setup(void)
{
tabread_dp_class = class_new(gensym("tabread__"),
(t_newmethod)tabread_dp_new, (t_method)tabread_dp_free,
sizeof(t_tabread_dp), 0, A_DEFSYM, 0);
class_addcreator((t_newmethod)tabread_dp_new, gensym("tabread''"), A_DEFSYM, 0);
class_addfloat(tabread_dp_class, (t_method)tabread_dp_float);
class_addmethod(tabread_dp_class, (t_method)tabread_dp_set, gensym("set"), A_SYMBOL, 0);
}
|
