Module: Moea::WeakPareto

Includes:

Pareto

Defined in:

../lib/pareto.rb

Overview

Instance Method Summary (collapse)

• - (Object) <=>(other)

  a<=>b returns: .

• - (Boolean) dominates?(other)

  Given that a and b are individuals of the same class, a.dominates?(b) returns true if there is no such objective in which the b is better than a.

Methods included from Pareto

clear_objectives, dominated, maximize, minimize, nondominated, objective, objective_best, objective_sort, objective_symbols, #objective_symbols

  -1 if a dominates b and b does not dominate a,
  1 if b dominates a and a does not dominate b,
  0 otherwise.

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# File '../lib/pareto.rb', line 239

def <=>(other)
  if dominates? other
    return 0 if other.dominates? self
    return -1
  else
    return 1 if other.dominates? self
    return 0
  end
end

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# File '../lib/pareto.rb', line 231

def dominates? other
  dominates_core( other, true )
end