@Override
    public Object parse(SourceData sourceData, int rowIndex, Context context) {
        Object numObj = numParser.parse(sourceData, rowIndex, context);
        if (numObj == null) {
            return null;
        }
        double num = OperatorTools.parseBigDecimal(numObj).doubleValue();
        return Erf.erfc(num);
    }
ErfcFunction  ->  erfc(numeric)
Description:
- Return NULL if 'numeric' is NULL;
- Return complementary error (1 - erf('numeric'), without loss of precision for large inputs).
inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/arithmetic/ErfcFunction.java