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https://issues.apache.org/jira/browse/MATH-1074?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13843274#comment-13843274
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Gilles commented on MATH-1074:
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The "problem" is that the crossover (and mutation) operators need to know the
underlying data structure.
Even if "Chromosome" is made generic (the generic type would define the "gene"
type) and an accessor method is added to the API in order to access a single
gene by index, that would still not allow primitive types as the underlying
structure...
> Refactor fixed size chromosomes
> -------------------------------
>
> Key: MATH-1074
> URL: https://issues.apache.org/jira/browse/MATH-1074
> Project: Commons Math
> Issue Type: Improvement
> Affects Versions: 3.2
> Reporter: Thomas Neidhart
>
> Currently, only chromosomes derived from AbstractListChromosome can be used
> for most of the crossover policies. This is quite inconvenient to use,
> especially when working with primitive types.
> Need to think about ways to refactor this for better support of other
> datatypes, e.g. CharSequence or primitive arrays.
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