[jira] [Closed] (SYSTEMML-373) as.scalar vs castAsScalar

["Deron Eriksson (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SYSTEMML-373?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Deron Eriksson closed SYSTEMML-373.
-----------------------------------

> as.scalar vs castAsScalar
> -------------------------
>
>                 Key: SYSTEMML-373
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-373
>             Project: SystemML
>          Issue Type: Improvement
>          Components: APIs, Documentation
>            Reporter: Deron Eriksson
>            Priority: Minor
>
> Currently, as.scalar() and castAsScalar() both allow a matrix element value to be cast to a scalar, as in this example:
> {code}
> A = matrix("1 2 3 4", rows=2, cols=2)
> print(as.scalar(A[1,1]))
> print(castAsScalar(A[1,1]))
> {code}
> The as.scalar() function is documented in the DML Language Reference. The castAsScalar() function is not documented in the DML Language Reference.
> Which function is the preferred method to use to cast a matrix element to a scalar value?
> Should both functions exist, or should only one function exist?
> If castAsScalar() should continue to exist, the DML Language Reference should be updated to include it.



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