gcc/testsuite/gcc.dg/dfp/builtin-snan-1.c

   1 /* Test __builtin_nansd* functions.  Test not requiring runtime
   2    exceptions support.  */
   3 /* { dg-options "" } */
   4
   5 volatile _Decimal32 d32 = __builtin_nansd32 ("");
   6 volatile _Decimal64 d64 = __builtin_nansd64 ("");
   7 volatile _Decimal128 d128 = __builtin_nansd128 ("");
   8
   9 extern void abort (void);
  10 extern void exit (int);
  11
  12 int
  13 main (void)
  14 {
  15   if (!__builtin_isnan (d32))
  16     abort ();
  17   if (!__builtin_isnan (d64))
  18     abort ();
  19   if (!__builtin_isnan (d128))
  20     abort ();
  21   exit (0);
  22 }