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https://issues.apache.org/jira/browse/MATH-742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13209891#comment-13209891
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Leandro Ariel Pezzente commented on MATH-742:
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I wonder if there is any way to take your example and transform it in a Generic 
Class , that way you could create a Serializable wrapper for any propper 
subclassobject , without having to duplicate code for every class you want to 
serialize.
                
> Please make PolynomialSplineFunction Serializable
> -------------------------------------------------
>
>                 Key: MATH-742
>                 URL: https://issues.apache.org/jira/browse/MATH-742
>             Project: Commons Math
>          Issue Type: Improvement
>    Affects Versions: 2.2
>            Reporter: Neil Roeth
>            Priority: Minor
>         Attachments: PolynomialSplineFunction.java
>
>
> PolynomialSplineFunction is not Serializable, while the very similar 
> PolynomialFunction class in the same package is. All that needs to be done is 
> to add the import:
> {{import java.io.Serializable;}}
> and change this:
> {{public class PolynomialSplineFunction implements 
> DifferentiableUnivariateRealFunction}}
> to this:
> {{public class PolynomialSplineFunction implements 
> DifferentiableUnivariateRealFunction, Serializable}}
> I made exactly that modification to a local copy and it serialized 
> successfully.  Before the change, I got serialization errors.
> Thanks.

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