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tiki_scala's Introduction

tiki

Summary

Summary

A library for functional graph algorithms.

Issues

Waffle board.

Documentation

Tiki information and documentation is available on the website. Scaladoc index.

Algorithm Example
depth & breadth first search graph
Kahn (topological sort) graph
Bellman-Ford (negative cycle detection) graph
Kruskal (minium spanning tree) graph
Kosaraju (strongly connected components) graph
Bowyer-Watson (Delaunay triangulation) graph
Euclidean distance mst graph
K-Spanning (clustering) trees graph
Markov Cluster Algorithm (MCL) graph

References

  • The Under-Appreciated Unfold 1.
  • Zippers and Data Type Derivaties 2

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tiki_scala's Issues

Define weighted edge.

Rather than define weighted edges as labelled edges with a label of double, define them separately.
So label can be applied to edge or weighted edge.

Improve 'negativeCycle' method

The 'negativeCycle' method returns the predecessor list output from Bellman-ford, this can be improved so that it returns just the cycle vertices.

Implement cycle detection

Cycle detection, can be based on disjoint set , dfs, or topological sorting.
Chose algorithm based on graph representation.

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