code: def test_packed_dataframe_unique_pointers_numeric():
      np.random.seed(0)
  
      df = DataFrame()
      nelem = 10
      df["keys"] = np.arange(nelem, dtype=np.float64)
      df["vals"] = np.random.random(nelem)
  
      check_packed_unique_pointers(df)
  
imports: import pickle
  import sys
  import numpy
  import pandas
  from cudf import DataFrame, GenericIndex, Series
  from cudf._lib.copying import pack, unpack
  from cudf.testing._utils import assert_eq
label_desc: Use image node_id 10 for calling a global function with example usage: test_packed_dataframe_unique_pointers_numeric() without return types