Roulette: Fix how negatives fitness are handled

thieu1995 / mealpy

A Collection Of The State-of-the-art Metaheuristic Algorithms In Python (Metaheuristic/Optimizer/Nature-inspired/Biology)

https://mealpy.readthedocs.io

GNU General Public License v3.0

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Roulette: Fix how negatives fitness are handled #140

Closed lucianolorenti closed 7 months ago

lucianolorenti commented 7 months ago

Closes #139

📑 Description

When handling negative values in optmizer.get_index_roulette_wheel_selection, probably due to a typo, the boolean value is being compared to be less than zero np.any(list_fitness) < 0, instead of np.any(list_fitness < 0)

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[x] My pull request adheres to the code style of this project
[ ] My code requires changes to the documentation
[ ] I have updated the documentation as required
[x] All the tests have passed

thieu1995 commented 7 months ago

@lucianolorenti, Thank you for pointing out and fixing it.