code: def test_scalar(self):
      x = np.inf
      actual = np.isposinf(x)
      expected = np.True_
      assert_equal(actual, expected)
      assert_equal(type(actual), type(expected))
  
      x = -3.4
      actual = np.fix(x)
      expected = np.float64(-3.0)
      assert_equal(actual, expected)
      assert_equal(type(actual), type(expected))
  
      out = np.array(0.0)
      actual = np.fix(x, out=out)
      assert_(actual is out)
  
file_path: catboost/contrib/python/numpy/py3/numpy/lib/tests/test_ufunclike.py
imports: import numpy
  import numpy.core
  import numpy.lib.ufunclike
  from numpy.testing import assert_, assert_equal, assert_array_equal, assert_warns, assert_raises
label_desc: Use image node_id 5 for calling the TestUfunclike obj's underlying member method code with example usage: obj.test_scalar() without return types