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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.