Context Navigation

93_integer_promotion.c@ 331

Last change on this file since 331 was 331, checked in by coas-nagasima, 6 years ago
prototoolに関連するプロジェクトをnewlibからmuslを使うよう変更・更新 ntshellをnewlibの下位の実装から、muslのsyscallの実装に変更・更新以下のOSSをアップデート・mruby-1.3.0 ・musl-1.1.18 ・onigmo-6.1.3 ・tcc-0.9.27 以下のOSSを追加・openssl-1.1.0e ・curl-7.57.0 ・zlib-1.2.11 以下のmrbgemsを追加・iij/mruby-digest ・iij/mruby-env ・iij/mruby-errno ・iij/mruby-iijson ・iij/mruby-ipaddr ・iij/mruby-mock ・iij/mruby-require ・iij/mruby-tls-openssl
Property svn:eol-style set to `native` Property svn:mime-type set to `text/x-csrc`
File size: 1.3 KB

Line
1	/* integer promotion */
2
3	int printf(const char*, ...);
4	#define promote(s) printf(" %ssigned : %s\n", (s) - 100 < 0 ? " " : "un", #s);
5
6	int main (void)
7	{
8	struct {
9	unsigned ub:3;
10	unsigned u:32;
11	unsigned long long ullb:35;
12	unsigned long long ull:64;
13	unsigned char c;
14	} s = { 1, 1, 1 };
15
16	promote(s.ub);
17	promote(s.u);
18	promote(s.ullb);
19	promote(s.ull);
20	promote(s.c);
21	printf("\n");
22
23	promote((1 ? s.ub : 1));
24	promote((1 ? s.u : 1));
25	promote((1 ? s.ullb : 1));
26	promote((1 ? s.ull : 1));
27	promote((1 ? s.c : 1));
28	printf("\n");
29
30	promote(s.ub << 1);
31	promote(s.u << 1);
32	promote(s.ullb << 1);
33	promote(s.ull << 1);
34	promote(s.c << 1);
35	printf("\n");
36
37	promote(+s.ub);
38	promote(+s.u);
39	promote(+s.ullb);
40	promote(+s.ull);
41	promote(+s.c);
42	printf("\n");
43
44	promote(-s.ub);
45	promote(-s.u);
46	promote(-s.ullb);
47	promote(-s.ull);
48	promote(-s.c);
49	printf("\n");
50
51	promote(~s.ub);
52	promote(~s.u);
53	promote(~s.ullb);
54	promote(~s.ull);
55	promote(~s.c);
56	printf("\n");
57
58	promote(!s.ub);
59	promote(!s.u);
60	promote(!s.ullb);
61	promote(!s.ull);
62	promote(!s.c);
63	printf("\n");
64
65	promote(+(unsigned)s.ub);
66	promote(-(unsigned)s.ub);
67	promote(~(unsigned)s.ub);
68	promote(!(unsigned)s.ub);
69
70	return 0;
71	}

Note: See TracBrowser for help on using the repository browser.