text: """
  One dimensional piecewise linear functions
  """
  
  __author__ = 'robson'
  
  
  # Obsolete: implementation dumped for some reason...
  
  class function:
      """
      One dimensional piecewise linear function
      """
      def __init__(self, x, y):
          """
          constructor
          :param x iterable arguments of the function (domain)
          :param y iterable value of the function in corresponding x y[i] = f(x[i])
          """
          self.x = x
          self.y = y
  
  
  