public static int fastRawPrecision(
      FastHiveDecimal fastDec) {
    return
        fastRawPrecision(
            fastDec.fastSignum, fastDec.fast0, fastDec.fast1, fastDec.fast2);
  }
Fast decimal scale up by factor of 10.
@param fast0 word 0 of the internal representation
@param fast1 word 1
@param fast2 word 2
@param scaleUp the number of integer digits to scale up by
@param fastResult an object to reuse
@return was the operation successfule?
storage-api/src/java/org/apache/hadoop/hive/common/type/FastHiveDecimalImpl.java