java/tsfile/src/main/java/org/apache/tsfile/encoding/encoder/TSEncodingBuilder.java [163:188]:
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    @Override
    public void initFromProps(Map<String, String> props) {
      // set max error from initialized map or default value if not set
      if (props == null || !props.containsKey(Encoder.MAX_POINT_NUMBER)) {
        maxPointNumber = TSFileDescriptor.getInstance().getConfig().getFloatPrecision();
      } else {
        try {
          this.maxPointNumber = Integer.parseInt(props.get(Encoder.MAX_POINT_NUMBER));
        } catch (NumberFormatException e) {
          logger.warn(
              "The format of max point number {} is not correct."
                  + " Using default float precision.",
              props.get(Encoder.MAX_POINT_NUMBER));
        }
        if (maxPointNumber < 0) {
          maxPointNumber = TSFileDescriptor.getInstance().getConfig().getFloatPrecision();
          logger.warn(
              "cannot set max point number to negative value, replaced with default value:{}",
              maxPointNumber);
        }
      }
    }

    @Override
    public String toString() {
      return JsonFormatConstant.MAX_POINT_NUMBER + ":" + maxPointNumber;
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java/tsfile/src/main/java/org/apache/tsfile/encoding/encoder/TSEncodingBuilder.java [214:243]:
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    @Override
    /**
     * TS_2DIFF could specify <b>max_point_number</b> in given JSON Object, which means the maximum
     * decimal digits for float or double data.
     */
    public void initFromProps(Map<String, String> props) {
      // set max error from initialized map or default value if not set
      if (props == null || !props.containsKey(Encoder.MAX_POINT_NUMBER)) {
        maxPointNumber = TSFileDescriptor.getInstance().getConfig().getFloatPrecision();
      } else {
        try {
          this.maxPointNumber = Integer.parseInt(props.get(Encoder.MAX_POINT_NUMBER));
        } catch (NumberFormatException e) {
          logger.warn(
              "The format of max point number {} is not correct."
                  + " Using default float precision.",
              props.get(Encoder.MAX_POINT_NUMBER));
        }
        if (maxPointNumber < 0) {
          maxPointNumber = TSFileDescriptor.getInstance().getConfig().getFloatPrecision();
          logger.warn(
              "cannot set max point number to negative value, replaced with default value:{}",
              maxPointNumber);
        }
      }
    }

    @Override
    public String toString() {
      return JsonFormatConstant.MAX_POINT_NUMBER + ":" + maxPointNumber;
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