Gabriele Rossi created MATH-1451:
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Summary: Infinite loop for CycleCrossover with duplicates
Key: MATH-1451
URL: https://issues.apache.org/jira/browse/MATH-1451
Project: Commons Math
Issue Type: Bug
Affects Versions: 3.6.1
Environment: Home PC
Reporter: Gabriele Rossi
Attachments: test-apache-math3.zip
I've found an infinite loop when recombining two integers Chromosomes admitting
duplicates with CycleCrossover class.
For example, recombining example Chromosomes it works fine, but, if you
substitute all "8" with "7", you run into an infinite loop while mating.
I attach the self-contained unit test (JUnit) for a better comprehension (issue
a mvn clean install to run).
I added a little quick patch to fix, which I'm happy to provide, even could be
less efficient than original.
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