solarisfixes.h

   1 /* Solaris specific fixes */
   2
   3 #undef isnan
   4 #define isnan(x) \
   5      __extension__({ __typeof (x) __x_a = (x); \
   6      __builtin_expect(__x_a != __x_a, 0); })
   7
   8 #undef isfinite
   9 #define isfinite(x) \
  10      __extension__ ({ __typeof (x) __x_f = (x); \
  11      __builtin_expect(!isnan(__x_f - __x_f), 1); })
  12
  13 #undef isinf
  14 #define isinf(x) \
  15      __extension__ ({ __typeof (x) __x_i = (x); \
  16      __builtin_expect(!isnan(__x_i) && !isfinite(__x_i), 0); })