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is_nzero | Function (ROM Call 0x300) |
AMS 1.01 or higher | math.h, timath.h |
short is_nzero (float x); |
Checks whether the argument is negative zero.
is_nzero returns TRUE if x is a negative zero (i.e. infinitely small negative quantity, see NEGATIVE_ZERO), else returns FALSE. This function is an alias for TIOS function originally called is_float_negative_zero.