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https://issues.apache.org/jira/browse/MATH-646?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13090179#comment-13090179
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Sébastien Brisard commented on MATH-646:
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{quote}
Before posting a patch, please don't forget to look at the output of "mvn clean
site" for Javadoc warnings and at "checkstyle.html" (in "target/site").
{quote}
I'm sorry, I'll do that next time. I must have mis-configured checkstyle in my
Eclipse. Sorry again to waste your time.
{quote}
Couldn't we call the "unmodifiableRealVector" method simply
"unmodifiableVector"?
{quote}
I'm all for it.
While we are at it, shouldn't we provide an unmodifiable view of matrices,
following the same lines? Shall I open a JIRA ticket?
> Unmodifiable views of RealVector
> --------------------------------
>
> Key: MATH-646
> URL: https://issues.apache.org/jira/browse/MATH-646
> Project: Commons Math
> Issue Type: New Feature
> Affects Versions: 3.0
> Reporter: Sébastien Brisard
> Labels: linear, vector
> Attachments: MATH-646.patch, MATH-646.patch
>
>
> The issue has been discussed on the [mailing
> list|http://mail-archives.apache.org/mod_mbox/commons-dev/201108.mbox/<CAGRH7HqxUb2y1HmFt9VJ-kxsXwipk_MdO0D=rnuazmgpnot...@mail.gmail.com>].
> Please find attached a proposal for a new class {{UnmodifiableRealVector}}.
> I chose not to nest it in {{AbstractRealVector}} because it would make the
> corresponding file huge. Therefore, {{UnmodifiableRealVector}} is {{final}}.
> Maybe you'd like it to be {{private}} as well? A static method is provided in
> {{AbstractRealVector}} to build an {{UnmodifiableRealVector}} from any
> {{RealVector}}.
> Tests are also provided. Since iterating through different implementations of
> {{RealVector}} is actually different, a test is provided for
> {{UnmodifiableRealVector}} built on {{ArrayRealVector}} and
> {{OpenMapRealVector}}. These tests both derive from the same abstract test
> class. Hope everything works fine.
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