Class: Array

Inherits:
Object show all
Defined in:
lib/classifier/extensions/vector.rb

Instance Method Summary collapse

Instance Method Details

#sum_with_identity(identity = 0.0, &block) ⇒ Object 



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# File 'lib/classifier/extensions/vector.rb', line 9

def sum_with_identity(identity = 0.0, &block)
  return identity unless size.to_i.positive?

  if block_given?
    map(&block).sum_with_identity(identity)
  else
    compact.reduce(:+).to_f || identity.to_f
  end
end