Method isNull

core/src/main/java/io/questdb/std/Decimal256.java:683–686

Returns whether the Decimal256 is null or not. @param hh the highest 64 bits (bits 192-255) @param hl the high 64 bits (bits 128-191) @param lh the mid 64 bits (bits 64-127) @param ll the low 64 bits (bits 0-63) @return true if null, false otherwise

(long hh, long hl, long lh, long ll)

     * @return true if null, false otherwise
     */
    public static boolean isNull(long hh, long hl, long lh, long ll) {
        return hh == Decimals.DECIMAL256_HH_NULL && hl == Decimals.DECIMAL256_HL_NULL
                && lh == Decimals.DECIMAL256_LH_NULL && ll == Decimals.DECIMAL256_LL_NULL;
    }

    /**
     * Static modulo method.