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Add Hopcroft-Karp matching algorithm#291

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Robbybp wants to merge 21 commits intoJuliaGraphs:masterJuliaGraphs/Graphs.jl:masterfrom Robbybp:hk-matchingRobbybp/Graphs.jl:hk-matchingCopy head branch name to clipboard

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Commits on Jul 29, 2023

• initial implementation hopcroft-karp matching

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  9c568db

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• add docstring for hopcroft_karp_matching

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• add documentation for hopcroft-karp matching

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• add note on runtime performance to docstring

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• update hopcroft_karp_matching to not require a bipartite set

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• raise error if graph is not bipartite

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Commits on Jul 30, 2023

• add comments

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  f10a966

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• add tests for hopcroft_karp_matching

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• add example to hopcroft_karp_matching docstring

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• remove prinln from test

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  16c8770

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• add maximum_matching function, which defaults to hopcroft_karp_matching

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  0ca74b9

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• update tests to use maximum_matching

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• add docs for maximum_matching

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• update to support graphs that use a subtype of int

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  2bbd49e

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• update return types to match element type of graph

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• declare a parameterized MatchedNodeType for convenience

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  e4f1b4a

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• test where a graph with UInt8 vertices is used

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• allow AbstractGraph as arguments

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  e08d71d

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• move hopcroft-karp-specific code into its own file

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Commits on Jul 31, 2023

• add tests for empty and disconnected graphs

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• run JuliaFormatter

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