Class: Lda::Backends::Native

Inherits:
Base
  • Object
show all
Defined in:
lib/lda-ruby/backends/native.rb

Constant Summary collapse

REQUIRED_NATIVE_METHODS = 
i[
  __native_fast_load_corpus_from_file
  __native_load_settings
  __native_set_config
  __native_em
  __native_beta
  __native_gamma
  __native_compute_phi
  __native_model
  __native_set_corpus
  __native_max_iter
  __native_set_max_iter
  __native_convergence
  __native_set_convergence
  __native_em_max_iter
  __native_set_em_max_iter
  __native_em_convergence
  __native_set_em_convergence
  __native_init_alpha
  __native_set_init_alpha
  __native_num_topics
  __native_set_num_topics
  __native_est_alpha
  __native_set_est_alpha
  __native_verbose
  __native_set_verbose
].freeze

Instance Attribute Summary

Attributes inherited from Base

#corpus

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#topic_document_probability

Constructor Details

#initialize(host, random_seed: nil) ⇒ Native

Returns a new instance of Native.



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# File 'lib/lda-ruby/backends/native.rb', line 38

def initialize(host, random_seed: nil)
  super(random_seed: random_seed)
  @host = host
end

Class Method Details

.available?(host) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lda-ruby/backends/native.rb', line 34

def self.available?(host)
  REQUIRED_NATIVE_METHODS.all? { |method_name| host.respond_to?(method_name, true) }
end

Instance Method Details

#beta ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 141

def beta
  @host.__send__(:__native_beta)
end

#compute_phi ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 149

def compute_phi
  @host.__send__(:__native_compute_phi)
end

#convergence ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 81

def convergence
  @host.__send__(:__native_convergence)
end

#convergence=(value) ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 85

def convergence=(value)
  @host.__send__(:__native_set_convergence, Float(value))
end

#corpus=(corpus) ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 47

def corpus=(corpus)
  @corpus = corpus
  @host.__send__(:__native_set_corpus, corpus)
end

#em(start) ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 137

def em(start)
  @host.__send__(:__native_em, start)
end

#em_convergence ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 97

def em_convergence
  @host.__send__(:__native_em_convergence)
end

#em_convergence=(value) ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 101

def em_convergence=(value)
  @host.__send__(:__native_set_em_convergence, Float(value))
end

#em_max_iter ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 89

def em_max_iter
  @host.__send__(:__native_em_max_iter)
end

#em_max_iter=(value) ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 93

def em_max_iter=(value)
  @host.__send__(:__native_set_em_max_iter, Integer(value))
end

#est_alpha ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 121

def est_alpha
  @host.__send__(:__native_est_alpha)
end

#est_alpha=(value) ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 125

def est_alpha=(value)
  @host.__send__(:__native_set_est_alpha, Integer(value))
end

#fast_load_corpus_from_file(filename) ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 52

def fast_load_corpus_from_file(filename)
  @host.__send__(:__native_fast_load_corpus_from_file, filename)
end

#gamma ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 145

def gamma
  @host.__send__(:__native_gamma)
end

#init_alpha ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 105

def init_alpha
  @host.__send__(:__native_init_alpha)
end

#init_alpha=(value) ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 109

def init_alpha=(value)
  @host.__send__(:__native_set_init_alpha, Float(value))
end

#load_settings(settings_file) ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 56

def load_settings(settings_file)
  @host.__send__(:__native_load_settings, settings_file)
end

#max_iter ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 73

def max_iter
  @host.__send__(:__native_max_iter)
end

#max_iter=(value) ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 77

def max_iter=(value)
  @host.__send__(:__native_set_max_iter, Integer(value))
end

#model ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 153

def model
  @host.__send__(:__native_model)
end

#name ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 43

def name
  "native"
end

#num_topics ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 113

def num_topics
  @host.__send__(:__native_num_topics)
end

#num_topics=(value) ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 117

def num_topics=(value)
  @host.__send__(:__native_set_num_topics, Integer(value))
end

#set_config(init_alpha, num_topics, max_iter, convergence, em_max_iter, em_convergence, est_alpha) ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 60

def set_config(init_alpha, num_topics, max_iter, convergence, em_max_iter, em_convergence, est_alpha)
  @host.__send__(
    :__native_set_config,
    init_alpha,
    num_topics,
    max_iter,
    convergence,
    em_max_iter,
    em_convergence,
    est_alpha
  )
end

#verbose ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 129

def verbose
  @host.__send__(:__native_verbose)
end

#verbose=(value) ⇒ Object 



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# File 'lib/lda-ruby/backends/native.rb', line 133

def verbose=(value)
  @host.__send__(:__native_set_verbose, !!value)
end