Module: NGramDistance

Extended by:
FFI::Library
Defined in:
lib/ngramdistance.rb

Constant Summary collapse

PROPOSITIONAL = 
0
BINARY = 
1
COMPLEX = 
2

Class Method Summary collapse

Class Method Details

.distance(source, target, ngram = 3, mode = PROPOSITIONAL) ⇒ Object 



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# File 'lib/ngramdistance.rb', line 16

def self.distance(source,target,ngram=3,mode=PROPOSITIONAL)
  distance_private(source,target,ngram,mode)
end

.token_set_distance(source, target, regex = ' ', ngram = 3, mode = PROPOSITIONAL) ⇒ Object 



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# File 'lib/ngramdistance.rb', line 20

def self.token_set_distance(source,target,regex=' ',ngram=3,mode=PROPOSITIONAL)
  if source.nil? or target.nil?
    if(source == targer)
      return 1.0
    end
    return 0.0
  end
  return distance(token_set(source,regex),token_set(target,regex),ngram,mode)
end

.token_sort_distance(source, target, regex = ' ', ngram = 3, mode = PROPOSITIONAL) ⇒ Object 



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# File 'lib/ngramdistance.rb', line 30

def self.token_sort_distance(source, target,regex=' ',ngram=3,mode=PROPOSITIONAL)
  if source.nil? or target.nil?
    if(source == targer)
      return 1.0
    end
    return 0.0
  end
  return distance(token_sort(source,regex),token_sort(target,regex),ngram,mode)
end