Add methods tovsort! and quicksort! to allow argsort#16
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brenhinkeller merged 3 commits intomainfrom Nov 15, 2022
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…ond array to sort; if initizlized with indices, the result will be a permutation vector
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This PR adds an optional two-argument form of
vsort!(and, internally,quicksort!) wherein one may specify an additional array (I) to sort in-place via the same permutation as the array being actively sorted (A).This may be useful in several contexts. For example, if
Iis initialized withcollect(eachindex(A)), the sortedIwill be equal tosortperm(A)for the originalA