gcc/testsuite/gcc.dg/pr28796-1.c

   1 /* { dg-do link } */
   2 /* { dg-options "-ffinite-math-only" } */
   3
   4 extern void link_error(void);
   5
   6 float f;
   7 double d;
   8 long double ld;
   9
  10 int main()
  11 {
  12   if (__builtin_isunordered (f, f) != 0)
  13     link_error ();
  14   if (__builtin_isunordered (d, d) != 0)
  15     link_error ();
  16   if (__builtin_isunordered (ld, ld) != 0)
  17     link_error ();
  18
  19   if (__builtin_isnan (f) != 0)
  20     link_error ();
  21   if (__builtin_isnan (d) != 0)
  22     link_error ();
  23   if (__builtin_isnan (ld) != 0)
  24     link_error ();
  25   if (__builtin_isnanf (f) != 0)
  26     link_error ();
  27   if (__builtin_isnanl (ld) != 0)
  28     link_error ();
  29
  30   if (__builtin_finite (f) != 1)
  31     link_error ();
  32   if (__builtin_finite (d) != 1)
  33     link_error ();
  34   if (__builtin_finite (ld) != 1)
  35     link_error ();
  36   if (__builtin_finitef (f) != 1)
  37     link_error ();
  38   if (__builtin_finitel (ld) != 1)
  39     link_error ();
  40
  41   if (__builtin_isinf (f) != 0)
  42     link_error ();
  43   if (__builtin_isinf (d) != 0)
  44     link_error ();
  45   if (__builtin_isinf (ld) != 0)
  46     link_error ();
  47
  48   if (__builtin_isfinite (f) != 1)
  49     link_error ();
  50   if (__builtin_isfinite (d) != 1)
  51     link_error ();
  52   if (__builtin_isfinite (ld) != 1)
  53     link_error ();
  54
  55   if (f != f)
  56     link_error ();
  57   if (d != d)
  58     link_error ();
  59   if (ld != ld)
  60     link_error ();
  61   return 0;
  62 }