code: def _MakeHistogramBuckets():
      v = 1e-12
      buckets = []
      neg_buckets = []
      while v < 1e20:
          buckets.append(v)
          neg_buckets.append(-v)
          v *= 1.1
      # Should include DBL_MAX, but won't bother for test data.
      return neg_buckets[::-1] + [0] + buckets
  
file_path: tensorboard/tensorboard/scripts/generate_testdata.py
imports: import bisect
  import math
  import os
  import os.path
  import random
  import shutil
  from absl import app
  from absl import flags
  import numpy
  import tensorflow
label_desc: Use image node_id 1 for calling a global function with example usage: _MakeHistogramBuckets() and returns: unknown