gomp-20050608-branch/gcc/testsuite/gcc.dg/dfp/inf-1.c

   1 /* { dg-options "-std=gnu99" } */
   2
   3 /* N1150 4: Characteristics of decimal floating types (not explicit)
   4    C99 5.2.4.2.2: Characteristics of floating types.
   5    A few simple checks on arithmetic operations. */
   6
   7 extern void abort (void);
   8
   9 int main()
  10 {
  11   /* Assumes rounding mode. */
  12   if (9999999.E90DF + 1.E90df != __builtin_infd32 ())
  13     abort ();
  14
  15   if (!__builtin_isinfd32 (9999999.E90DF + 1.E90df))
  16     abort ();
  17
  18   if (9.999999999999999E384dd + .000000000000001e384dd
  19       != __builtin_infd32 ())
  20     abort ();
  21
  22   if (-9999999.E90DF - 1.E90df != -__builtin_infd32 ())
  23     abort ();
  24
  25   if (!__builtin_isinfd32 (9.999999999999999E384dd + .000000000000001e384dd))
  26     abort ();
  27
  28   if (7.999999999999999999999999999999999E6144dl + 3.0E6144dl
  29       != __builtin_infd32 ())
  30     abort ();
  31
  32   if (__builtin_infd32 () * __builtin_infd32 () != __builtin_infd32 ())
  33     abort ();
  34
  35   if (__builtin_infd32 () * 2 != __builtin_infd32 ())
  36     abort ();
  37
  38   if (__builtin_infd64 () * -5 != -__builtin_infd32 ())
  39     abort ();
  40
  41   if (!__builtin_isinfd128 (__builtin_infd32 () / 4))
  42     abort ();
  43
  44   if (__builtin_infd64 () != __builtin_infd128 ())
  45     abort ();
  46
  47   if (!__builtin_isinfd64 (__builtin_infd128 ()))
  48     abort ();
  49
  50   if (__builtin_finited64 (__builtin_infd32 () * 4))
  51     abort ();
  52
  53   if (!__builtin_finited128 (9.999999E90DL - 1.E90dd))
  54     abort ();
  55
  56   if (__builtin_finited128 (__builtin_infd32 () *__builtin_infd128 ()))
  57     abort ();
  58
  59   if (__builtin_finited32 (__builtin_nand32 ("")))
  60     abort ();
  61
  62   return 0;
  63 }