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Posted to issues@systemml.apache.org by "Janardhan (JIRA)" <ji...@apache.org> on 2017/07/19 12:09:00 UTC

[jira] [Created] (SYSTEMML-1785) Call UDFs inline in the expressions without variables

Janardhan created SYSTEMML-1785:
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             Summary: Call UDFs inline in the expressions without variables
                 Key: SYSTEMML-1785
                 URL: https://issues.apache.org/jira/browse/SYSTEMML-1785
             Project: SystemML
          Issue Type: Improvement
            Reporter: Janardhan


Currently the usage of UDFs is restricted to simply being able to call the UDF and assign the results to a variable. If the user wishes to use the UDF as input to the builtin-op of any sort on the same line, an error is thrown. This is confusing for users and leads to  a messy code involving temporary variables.

example: {code:none} out = my_udf_func(x) + 4{code}
  
The UDFs should be treated like any other Op.



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