public void update128(int v0, int v1, int v2, int v3) {
    this.negative = (v3 < 0);
    this.mag.update(v0, v1, v2, v3 & SqlMathUtil.FULLBITS_31);
  }
Update this object with the given integers, receiving 128 bits data (full
ranges).

@param v0
         v0
@param v1
         v1
@param v2
         v2
@param v3
         v3
common/src/java/org/apache/hadoop/hive/common/type/SignedInt128.java