class_docstr: Unit test class for general utilities. 
class_docstr_tok: ["Unit","test","class","for","general","utilities","."]
docstr: Tests for stable cholesky. 
docstr_tok: ["Tests","for","stable","cholesky","."]
code: def test_stable_cholesky(self):
      """Tests for stable cholesky."""
      self.report("stable_cholesky")
      M = np.random.normal(size=(5, 5))
      M = M.dot(M.T)
      L = general_utils.stable_cholesky(M)
      assert np.linalg.norm(L.dot(L.T) - M) < 1e-5
  
file_path: dragonfly/dragonfly/utils/unittest_general_utils.py
imports: from __future__ import absolute_import
  from __future__ import division
  import numpy
  from .None import general_utils
  from .base_test_class import BaseTestClass, execute_tests
label_desc: Use image node_id 6 for calling the GeneralUtilsTestCase obj's underlying member method code with example usage: obj.test_stable_cholesky() without return types