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
|
/* n_13_5.c: Arithmetic conversion in #if expressions. */
#include "defs.h"
main( void)
{
fputs( "started\n", stderr);
/* 13.5: The usual arithmetic conversion is not performed on bit shift. */
#if -1 << 3U > 0
fputs( "Bad conversion of bit shift operands.\n", stderr);
exit( 1);
#endif
/* 13.6: Usual arithmetic conversions. */
#if -1 <= 0U /* -1 is converted to unsigned long. */
fputs( "Bad arithmetic conversion.\n", stderr);
exit( 1);
#endif
#if -1 * 1U <= 0
fputs( "Bad arithmetic conversion.\n", stderr);
exit( 1);
#endif
/* Second and third operands of conditional operator are converted to the
same type, thus -1 is converted to unsigned long. */
#if (1 ? -1 : 0U) <= 0
fputs( "Bad arithmetic conversion.\n", stderr);
exit( 1);
#endif
fputs( "success\n", stderr);
return 0;
}
|
