Returns the signum function of the specified {@code long} value. (The
return value is -1 if the specified value is negative; 0 if the
specified value is zero; and 1 if the specified value is positive.)
@param i the value whose signum is to be computed
@return the signum function of the specified {@code long} value.
Returns the signum function of the specified {@code long} value. (The return value is -1 if the specified value is negative; 0 if the specified value is zero; and 1 if the specified value is positive.)
@param i the value whose signum is to be computed @return the signum function of the specified {@code long} value.