Class: NetworkX::GlobalRelabelThreshold

Inherits:
Object
  • Object
show all
Defined in:
lib/networkx/flow/utils.rb

Overview

Helper class for preflow push algorithm

Instance Method Summary collapse

Constructor Details

#initialize(num1, num2, freq) ⇒ GlobalRelabelThreshold

Returns a new instance of GlobalRelabelThreshold.



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# File 'lib/networkx/flow/utils.rb', line 37

def initialize(num1, num2, freq)
  freq = freq.nil? ? Float::INFINITY : freq
  @threshold = (num1 + num2) / freq
  @work = 0
end

Instance Method Details

#add_work(work) ⇒ Object 



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# File 'lib/networkx/flow/utils.rb', line 43

def add_work(work)
  @work += work
end

#clear_work ⇒ Object 



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# File 'lib/networkx/flow/utils.rb', line 51

def clear_work
  @work = 0
end

#reached? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/networkx/flow/utils.rb', line 47

def reached?
  @work >= @threshold
end