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https://issues.apache.org/jira/browse/MATH-707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13203738#comment-13203738
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Gilles commented on MATH-707:
-----------------------------
The lack of symmetry is inherent in the check: For "SimplePointChecker", the
check is the same (on the "point", a {{double[]}}), whatever the type of
"value"; for the 2 "value" checkers the types used to check are different
({{double[]}} vs {{Double}}).
The idea was certainly not to bypass the Java strong type-checking system:
Having the {{Object}} type in the "value" part of the {{Pair}} (in
"SimplePointChecker") is because it is _not_ used!
The proposal will make it clearer which type is the "point" and which is the
"value" because it will be explicit (through the instantiation of the generic
type arguments).
> Naming confusion
> ----------------
>
> Key: MATH-707
> URL: https://issues.apache.org/jira/browse/MATH-707
> Project: Commons Math
> Issue Type: Task
> Reporter: Gilles
> Assignee: Gilles
> Priority: Trivial
> Labels: api-change
> Fix For: 3.0
>
>
> This issue was raised in [this
> thread|http://markmail.org/thread/4h6omyqsik65rcgv] on the "dev" ML.
> It proposes to consistently name classes/interfaces that refer to number
> types (e.g. "Real", "Complex", ...) and structure (e.g. "Scalar",
> "Vectorial", ...), with "Real" and "Scalar" components in names being assumed
> (thus, not to be included in the name).
> For example, for the "Univariate..." interfaces (in package "analysis"), the
> proposal is to operate the following renaming:
> * {{UnivariateRealFunction}} -> {{UnivariateFunction}}
> * {{UnivariateRealVectorialFunction}} -> {{UnivariateVectorFunction}}
> * {{UnivariateMatrixFunction}} -> {{UnivariateMatrixFunction}}
> Similar changes are in order in the package "optimization" (where "Real" is
> sometimes included in the name and sometimes not, or used instead of
> "Scalar").
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