Mercurial > hg > CbC > CbC_gcc
annotate gcc/testsuite/gcc.dg/c90-hexfloat-2.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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children |
rev | line source |
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111 | 1 /* Test for hex floating point constants: in C99 only. Preprocessor test. */ |
2 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */ | |
3 /* { dg-do run } */ | |
4 /* { dg-options "-std=iso9899:1990 -pedantic-errors" } */ | |
5 | |
6 #define f ( | |
7 #define l ) | |
8 #define str(x) #x | |
9 #define xstr(x) str(x) | |
10 | |
11 /* C90: "0x1p+( 0x1p+)"; C99: "0x1p+f 0x1p+l" */ | |
12 const char *s = xstr(0x1p+f 0x1p+l); | |
13 | |
14 extern void abort (void); | |
15 extern int strcmp (const char *, const char *); | |
16 | |
17 int | |
18 main (void) | |
19 { | |
20 if (strcmp (s, "0x1p+( 0x1p+)")) | |
21 abort (); | |
22 else | |
23 return 0; /* Correct C90 behavior. */ | |
24 } |