none/tests/s390x/dfp_utils.h

   1 #ifndef DFP_UTILS_H
   2 #define DFP_UTILS_H
   3
   4 #include <stddef.h>      /* size_t */
   5 #include <stdio.h>       /* printf */
   6
   7 typedef float reg_d32;
   8 typedef double reg_d64;
   9 typedef long double reg_d128;
  10 typedef union { unsigned int i; reg_d32 f; } pun_d32;
  11 typedef union { unsigned long i; reg_d64 f; } pun_d64;
  12 typedef union { unsigned long i[2]; reg_d128 f; } pun_d128;
  13
  14 #define DFP_VAL_PRINT(op, type)                                         \
  15   {                                                                     \
  16     enum { n = sizeof(type) };                                          \
  17     union { type x; unsigned char i[n]; } u = { .x = op };              \
  18     for (int k = 0; k < n; k++)                                         \
  19        printf("%02x", u.i[k]);                                          \
  20   }
  21
  22 #endif /* DFP_UTILS_H */