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

   1 #include <math.h>
   2
   3 void abort (void);
   4 void exit (int);
   5
   6 static const double zero =  0.0;
   7 static const double pone =  1.0;
   8 static const double none = -1.0;
   9 static const double pinf =  1.0 / 0.0;
  10 static const double ninf = -1.0 / 0.0;
  11
  12 int
  13 main ()
  14 {
  15   if (pinf != pone/zero)
  16     abort ();
  17
  18   if (ninf != none/zero)
  19     abort ();
  20
  21 #ifdef HUGE_VAL
  22   if (HUGE_VAL != pinf)
  23     abort ();
  24
  25   if (-HUGE_VAL != ninf)
  26     abort ();
  27 #endif
  28
  29   exit (0);
  30 }