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this library provides support to construct graphs and their coloring graphs. a coloring graph is a metagraph representing all the valid colorings of a graph. each vertex of a coloring graph represents a coloring of the base graph.

Project description

coloring-graphs

a coloring graphs library written in C++ for speedy computation and wrapped in Python for ease of development and extension!

what

this library provides support to construct graphs and their coloring graphs. a coloring graph is a metagraph representing all the valid colorings of a graph. each vertex of a coloring graph represents a coloring of the base graph.

in this project, we represent a coloring as an integer, which, when converted to base k (for a k-coloring), represents the vertex-wise colors [0,k).

the library is under development being written using Python and C/C++. for documentation, feel free to take a look inside lib/ and read the docstrings. for examples, see the files in test/. for questions, reach out.

how

  1. installation:

    • pypi

      python3 -m pip install libcolgraph

    • manual installation clone the repository

      • ssh: git clone git@github.com:aalok-sathe/coloring-graphs
      • https: git clone https://github.com/aalok-sathe/coloring-graphs

      go into the repository cd coloring-graphs

      install the prerequisites

      • using the make utility: make install
  2. quickstart:

    • usage:

    import libcolgraph

    • run a test suite! make test

    • try the sandbox file (test/sandbox.py) to see how plotting works (python-only)

      • python3 test/sandbox.py 3
      • python3 test/sandbox.py 3 test/input/g1.in

help

full documentation coming soon

who

Coloring Graphs lab, University of Richmond. Multiple contributors.

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