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Simplify sorting of individuals in mu_plus_lambda #169

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jakobj
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@jakobj jakobj commented Jul 1, 2020

My brain was getting too hot whenever i looked at this function. Isn't this implementation much easier? It seems that we can handle the replacement nan -> -np.inf on the fly in the function used for key, no need for creating a copy of the population which we modify and then argsort.

@jakobj jakobj added the maintenance Fighting the second law label Jul 1, 2020
@jakobj jakobj added this to the 0.2.0 milestone Jul 1, 2020
@jakobj jakobj requested a review from mschmidt87 July 1, 2020 20:24
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Looks good and much simpler, just a minor suggestion for the docstring.

cgp/ea/mu_plus_lambda.py Outdated Show resolved Hide resolved
@jakobj jakobj force-pushed the maint/refactor-mu-plus-lambda-sort branch from 291d89b to 2042586 Compare July 3, 2020 16:48
@jakobj jakobj force-pushed the maint/refactor-mu-plus-lambda-sort branch from 2042586 to 9a13d85 Compare July 3, 2020 17:05
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LGTM

@mschmidt87 mschmidt87 merged commit 69dd1ca into Happy-Algorithms-League:master Jul 4, 2020
@jakobj jakobj deleted the maint/refactor-mu-plus-lambda-sort branch July 5, 2020 19:44
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2 participants