gcc/testsuite/gcc.c-torture/execute/ieee/hugeval.c

   1 #include <math.h>
   2
   3 static const double zero =  0.0;
   4 static const double pone =  1.0;
   5 static const double none = -1.0;
   6 static const double pinf =  1.0 / 0.0;
   7 static const double ninf = -1.0 / 0.0;
   8
   9 int
  10 main ()
  11 {
  12   if (pinf != pone/zero)
  13     abort ();
  14
  15   if (ninf != none/zero)
  16     abort ();
  17
  18 #ifdef HUGE_VAL
  19   if (HUGE_VAL != pinf)
  20     abort ();
  21
  22   if (-HUGE_VAL != ninf)
  23     abort ();
  24 #endif
  25
  26   exit (0);
  27 }