# L-4 MCS 275 Wed 20 Jan 2010 : class Histogram

class Histogram:
   """
   a frequency table collects simulation results
   """

   def __init__(self,n):
      """
      initializes frequency table with n bins
      for processing data points in [0,1]
      """
      self.T = map(lambda i:0, range(0,n))

   def add(self,x):
      "adds a point to the table"
      n = len(self.T)
      ind = int(n*x) # first digit of x
      self.T[ind] = self.T[ind] + 1

   def __str__(self):
      "returns the string representation"
      return str(self.T)

   def __repr__(self):
      "defines the representation of the histogram"
      return str(self.T)