module Point

# File lib/points.rb, line 21
def self.get_quadrant(point)
  x = get_x(point)
  y = get_y(point)

  if x.positive?
    return 1 if y.positive?
    return 4 if y.negative?
  end

  if x.negative?
    return 2 if y.positive?
    return 3 if y.negative?
  end
end

# File lib/points.rb, line 9
def self.get_x(point)
  Pairs.car(point)
end

# File lib/points.rb, line 13
def self.get_y(point)
  Pairs.cdr(point)
end

# File lib/points.rb, line 5
def self.make(x, y)
  Pairs.cons(x, y)
end

# File lib/points.rb, line 17
def self.to_string(point)
  Pairs.to_string(point)
end