from __future__ import absolute_import


class AverageMeter(object):
  """Computes and stores the average and current value"""

  def __init__(self):
    self.val = 0
    self.avg = 0
    self.sum = 0
    self.count = 0

  def reset(self):
    self.val = 0
    self.avg = 0
    self.sum = 0
    self.count = 0

  def update(self, val, n=1):
    self.val = val
    self.sum += val * n
    self.count += n
    self.avg = self.sum / self.count