is_uzero Function (ROM Call 0x305)

AMS 1.01 or higher math.h, timath.h

short is_uzero (float x);

Checks whether the argument is unsigned zero.

is_uzero returns TRUE if x is an unsigned zero (i.e. infinitely small quantity with indeterminate sign, see UNSIGNED_ZERO), else returns FALSE. This function is an alias for TIOS function originally called is_float_unsigned_zero.


Used by: fabs, push_sign