solarisfixes.h

/* Solaris specific fixes */

#if defined(__GNUC__)
#undef isnan
#define isnan(x) \
     __extension__({ __typeof (x) __x_a = (x); \
     __builtin_expect(__x_a != __x_a, 0); })

#undef isfinite
#define isfinite(x) \
     __extension__ ({ __typeof (x) __x_f = (x); \
     __builtin_expect(!isnan(__x_f - __x_f), 1); })

#undef isinf
#define isinf(x) \
     __extension__ ({ __typeof (x) __x_i = (x); \
     __builtin_expect(!isnan(__x_i) && !isfinite(__x_i), 0); })
#endif /* __GNUC__ */