22 lines
532 B
C
22 lines
532 B
C
// RUN: %clang_cc1 -triple x86_64-apple-darwin -isystem %S -Wdouble-promotion -fsyntax-only %s 2>&1 | FileCheck -allow-empty %s
|
|
// CHECK: warning:
|
|
// CHECK: expanded from macro 'ISNAN'
|
|
// CHECK: expanded from macro 'isnan'
|
|
|
|
#include <warn-in-system-macro-def.c.inc>
|
|
|
|
#define isnan(x) \
|
|
(sizeof (x) == sizeof (float) \
|
|
? __isnanf (x) \
|
|
: sizeof (x) == sizeof (double) \
|
|
? __isnan (x) : __isnanl (x))
|
|
|
|
int main(void)
|
|
{
|
|
double foo = 1.0;
|
|
|
|
if (ISNAN(foo))
|
|
return 1;
|
|
return 0;
|
|
}
|