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BitSetsNet

A .NET library for compressed bit set data structures. We have currently included implementations for Run-Length Encoding and Roaring compression algorithms.

Installation

You can download the latest release packages from NuGet: https://www.nuget.org/packages/BitsetsNET/ or from GitHub: https://github.com/BitSetsNet/BitSetsNet/releases

Usage

using BitsetsNET;

namespace BitSetUsage
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] indicies1 = new int[] {3,6,10,200,1500};
            RoaringBitset rbs1 = RoaringBitset.Create(indicies1);
            int[] indicies2 = new int[] { 3, 9, 10, 250, 1700};
            RoaringBitset rbs2 = RoaringBitset.Create(indicies2);

            RoaringBitset andResult = RoaringBitset.and(rbs1, rbs2); //Creates a new Bitset
            rbs1.OrWith(rbs2); //Modifies the bitset in-place

            //iterate through the bitset
            foreach (int i in rbs1)
            {
                System.Console.WriteLine(i);
            }
        }
    }
}

Contributing

  1. Fork the repository
  2. Create a feature branch
  3. Commit your changes
  4. Push your feature branch
  5. Submit a pull request

References

Samy Chambi, Daniel Lemire, Owen Kaser, Robert Godin, Better bitmap performance with Roaring bitmaps, Software: Practice and Experience Volume 46, Issue 5, pages 709โ€“719, May 2016 http://arxiv.org/abs/1402.6407 This paper used data from http://lemire.me/data/realroaring2014.html

Credits

The implementation for the Roaring algorithm is a port from the Roaring Bitmap Java library: https://github.com/RoaringBitmap/RoaringBitmap

bitsetsnet's People

Contributors

bitsetsnet avatar jaredvonhalle avatar jonathanjmiller avatar mamun-tanveer avatar oahassan avatar paul-mannino avatar

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