gcc/testsuite/gcc.dg/20030217-1.c

   1 /* Test whether denormal floating point constants in hexadecimal notation
   2    are parsed correctly.  */
   3 /* { dg-do run { target i?86-*-linux* x86_64-*-* } } */
   4 /* { dg-options "-std=c99" } */
   5
   6 long double d = 0x0.0000003ffffffff00000p-16357L;
   7 long double e = 0x0.0000003ffffffff00000p-16356L;
   8
   9 extern void abort (void);
  10 extern void exit (int);
  11
  12 int
  13 main (void)
  14 {
  15   if (d != e / 2.0)
  16     abort ();
  17   exit (0);
  18 }