REF: Integrate symmetrization in _weighted_percentile to avoid double sorting #30894
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REF: Integrate symmetrization in _weighted_percentile to avoid double sorting
Description
This pull request refactors the computation of weighted percentiles by integrating symmetrization directly into the
_weighted_percentile
function. With this change, we avoid sorting the input array twice when computing the averaged weighted percentile. The following changes have been made:symmetrize
parameter to_weighted_percentile
that, when enabled, computes the averaged weighted percentile using both positive and negative arrays._averaged_weighted_percentile
to leverage the new symmetrization functionality.This refactor improves efficiency without altering the external API or behavior.
Please review and let me know if any adjustments are required.