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Migrate Johnson's algorithm to rustworkx-core #1318

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Migrate Johnson's algorithm to rustworkx-core #1318

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47c337a
Migrate Johnson's algorithm to rustworkx-core
mtreinish Nov 17, 2024
8d66d67
Simplify python side logic
mtreinish Nov 17, 2024
081aa3c
Set name of pyclass to SimpleCycleIter for backwards compat
mtreinish Nov 18, 2024
c6fcc6e
Merge branch 'main' into johnson-core
mtreinish Nov 18, 2024
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12 changes: 12 additions & 0 deletions releasenotes/notes/add-johnson-simple-cycle-core-ac0c09d6fce07f8a.yaml
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---
features:
- |
Added a new function, ``johnson_simple_cycles``, to the ``rustworkx-core``
crate. This function implements `Johnson's algorithm <https://doi.org/10.1137/0204007>`__ for finding all
elementary cycles in a directed graph.
- |
Added a new trait ``EdgeFindable`` to find an ``EdgeIndex`` from a graph
given a pair of node indices.
- |
Added a new trait ``EdgeRemovable`` to remove an edge from a graph by
its ``EdgeIndex``.
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