code: def test_nans_infs(self):
      with np.errstate(all="ignore"):
          # Check some of the ufuncs
          assert_equal(np.isnan(self.all_f16), np.isnan(self.all_f32))
          assert_equal(np.isinf(self.all_f16), np.isinf(self.all_f32))
          assert_equal(
              np.isfinite(self.all_f16), np.isfinite(self.all_f32)
          )
          assert_equal(
              np.signbit(self.all_f16), np.signbit(self.all_f32)
          )
          assert_equal(np.spacing(float16(65504)), np.inf)
  
          # Check comparisons of all values with NaN
          nan = float16(np.nan)
  
          assert_(not (self.all_f16 == nan).any())
          assert_(not (nan == self.all_f16).any())
  
          assert_((self.all_f16 != nan).all())
          assert_((nan != self.all_f16).all())
  
          assert_(not (self.all_f16 < nan).any())
          assert_(not (nan < self.all_f16).any())
  
          assert_(not (self.all_f16 <= nan).any())
          assert_(not (nan <= self.all_f16).any())
  
          assert_(not (self.all_f16 > nan).any())
          assert_(not (nan > self.all_f16).any())
  
          assert_(not (self.all_f16 >= nan).any())
          assert_(not (nan >= self.all_f16).any())
  
imports: import platform
  import pytest
  import numpy
  from numpy import uint16, float16, float32, float64
  from numpy.testing import assert_, assert_equal, _OLD_PROMOTION, IS_WASM
label_desc: Use image node_id 7 for calling the TestHalf obj's underlying member method code with example usage: obj.test_nans_infs() without return types