| is_uinf_or_nan | Function (ROM Call 0x304)

AMS 1.01 or higher | math.h, timath.h

short is_uinf_or_nan (float x);

Checks whether the argument is unsigned infinity or Not_a_Number.

is_uinf_or_nan returns TRUE if x is UNSIGNED_INF or NAN, else returns FALSE. These two special numbers are treated very similarly in TIOS. This function is an alias for TIOS function originally called is_float_unsigned_inf_or_nan.

Uses: _bcd_math
Used by: atan2, itrig, push_sign