class_docstr: A generator of a grid of points with a bounded L1 norm.
code: def accumulate_integer_grid(self, index, max_val):
      if index == self.dim:
          self.accumulator.append(self.entry.copy())
      else:
          if (index == self.dim - 1) and (self.force_L1_norm):
              if self.neg_allowed[index] and max_val > 0:
                  values = [-max_val, max_val]
              else:
                  values = [max_val]
          else:
              min_val = -max_val if self.neg_allowed[index] else 0
              values = range(min_val, max_val + 1)
  
          for current_value in values:
              self.entry[index] = current_value
              self.accumulate_integer_grid(
                  index + 1, max_val - abs(current_value)
              )
  
imports: import logging
  import numpy
  import pandas
label_desc: Use image node_id 3 for calling the _GridGenerator obj's underlying member method code with example usage: obj.accumulate_integer_grid(index, max_val) without return types