code: def testIntToFloatBoundary(self):
      i4 = np.iinfo(np.int32)
      i8 = np.iinfo(np.int64)
  
      self._compare(i4.min, np.float32, i4.min, False)
      self._compare(i4.max, np.float32, i4.max, False)
      self._compare(i8.min, np.float32, i8.min, False)
      self._compare(i8.max, np.float32, i8.max, False)
      self._compare(i4.min, np.float64, i4.min, False)
      self._compare(i4.max, np.float64, i4.max, False)
      self._compare(i8.min, np.float64, i8.min, False)
      self._compare(i8.max, np.float64, i8.max, False)
  
imports: import numpy
  from tensorflow.python.eager import context
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gen_state_ops
  from tensorflow.python.ops import gradient_checker_v2
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import variables
  from tensorflow.python.platform import test
label_desc: Use image node_id 12 for calling the CastOpTest obj's underlying member method code with example usage: obj.testIntToFloatBoundary() without return types