chibi-edit-distance

Chibi Scheme's edit-distance library

  1. chibi-edit-distance
    1. Module: (chibi edit-distance)
      1. edit-distance
      2. find-nearest-edits
    2. Maintainer
    3. Author
    4. Version History
    5. License

Module: (chibi edit-distance)

edit-distance

[procedure] (edit-distance s1 s2)

Returns the levenshtein distance between s1 and s2 - a cost of 1 per character insertion, deletion, or update. Runs in quadratic time and linear memory.

(edit-distance "same" "same")       ; => 0
(edit-distance "same" "sand")       ; => 2
(edit-distance "Saturday" "Sunday") ; => 3

find-nearest-edits

[procedure] (find-nearest-edits str str-ls #!optional max-distance)

Returns a list of strings in str-ls with the smallest edit distance to str, preserving order. If max-distance is provided and positive, only return if the edits are less or equal to that distance.

Maintainer

Diego A. Mundo

Author

Alex Shinn

Version History
0.1.0
Initial library port

License

BSD

Copyright (c) 2009-2021 Alex Shinn 
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