AsciiDistanceParser 
Parser for parsing one distance value per line.

DiskCacheBasedDoubleDistance 
Distance function that is based on double distances given by a distance
matrix of an external binary matrix file.

DiskCacheBasedFloatDistance 
Distance function that is based on float distances given by a distance matrix
of an external binary matrix file.

DistanceParser 
Parse distances from an input stream into a distance cache for storing.

DistanceParser.DistanceCacheWriter 
Interface to plug in the cache storage into the parser.

FileBasedSparseDoubleDistance 
Distance function that is based on double distances given by a distance
matrix of an external ASCII file.

FileBasedSparseFloatDistance 
Distance function that is based on float distances given by a distance matrix
of an external ASCII file.
