gcc/testsuite/c-c++-common/dfp/inf-1.c

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