Method negateNonNull

core/src/main/java/io/questdb/std/Decimal256.java:1445–1453

Negates this Decimal256 in-place using two's complement arithmetic. Changes the sign of the decimal number (positive becomes negative and vice versa).

()

     * Changes the sign of the decimal number (positive becomes negative and vice versa).
     */
    public void negateNonNull() {
        ll = ~ll + 1;
        long c = ll == 0L ? 1L : 0L;
        lh = ~lh + c;
        c = (c == 1L && lh == 0L) ? 1L : 0L;
        hl = ~hl + c;
        c = (c == 1L && hl == 0L) ? 1L : 0L;
        hh = ~hh + c;
    }

    /**
     * Sets this Decimal256 to the specified 256-bit value and scale.