require 'brainz'

brainz = Brainz::Brainz.new

brainz.num_hidden = [4, 7, 3]

brainz.teach(learning_rate: 0.2, momentum: 0.05, wanted_error: 0.01) do |iteration, error|
  that(a: 1, b: 1).is(0)
  that(1, 0).is(1)
  that(0, 1).is(1)
  that(0, 0).is(0)
end
p "Learning took #{brainz.last_iterations}, error: #{brainz.error}, time: #{brainz.learning_time} s."