def METHOD_NAME(self, values):
    """
    Notes
    -----
    """
    values = self._as_dtype(values)
    required_size = self.size + values.shape[0]
    if required_size >= self.capacity:
        self.resize(max(2*self.capacity, required_size))
    self.data[self.size:required_size] = values
    self.size = required_size
    if len(self.shape)==1:
        self.shape = (self.size,)
    else:
        self.shape = (self.size, values.shape[1])