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
|
#include <limits.h>
#include <mruby.h>
static inline mrb_int
to_int(mrb_state *mrb, mrb_value x)
{
x = mrb_to_int(mrb, x);
return mrb_fixnum(x);
}
/*
* call-seq:
* int.allbits?(mask) -> true or false
*
* Returns +true+ if all bits of <code>+int+ & +mask+</code> are 1.
*/
static mrb_value
mrb_int_allbits(mrb_state *mrb, mrb_value self)
{
mrb_int n, m;
mrb_get_args(mrb, "i", &m);
n = to_int(mrb, self);
return mrb_bool_value((n & m) == m);
}
/*
* call-seq:
* int.anybits?(mask) -> true or false
*
* Returns +true+ if any bits of <code>+int+ & +mask+</code> are 1.
*/
static mrb_value
mrb_int_anybits(mrb_state *mrb, mrb_value self)
{
mrb_int n, m;
mrb_get_args(mrb, "i", &m);
n = to_int(mrb, self);
return mrb_bool_value((n & m) != 0);
}
/*
* call-seq:
* int.nobits?(mask) -> true or false
*
* Returns +true+ if no bits of <code>+int+ & +mask+</code> are 1.
*/
static mrb_value
mrb_int_nobits(mrb_state *mrb, mrb_value self)
{
mrb_int n, m;
mrb_get_args(mrb, "i", &m);
n = to_int(mrb, self);
return mrb_bool_value((n & m) == 0);
}
void
mrb_mruby_numeric_ext_gem_init(mrb_state* mrb)
{
struct RClass *i = mrb_module_get(mrb, "Integral");
mrb_define_method(mrb, i, "allbits?", mrb_int_allbits, MRB_ARGS_REQ(1));
mrb_define_method(mrb, i, "anybits?", mrb_int_anybits, MRB_ARGS_REQ(1));
mrb_define_method(mrb, i, "nobits?", mrb_int_nobits, MRB_ARGS_REQ(1));
}
void
mrb_mruby_numeric_ext_gem_final(mrb_state* mrb)
{
}
|
