code: """Test code for reorg"""
  import logging
  import numpy as np
  import tvm
  import topi
  import topi.testing
  from topi.util import get_const_tuple
  
  def verify_reorg(batch, in_size, in_channel, stride):
      '''Verify reorg operator by comparing outputs from tvm and numpy implementation'''
      in_height = in_width = in_size
  
      A = tvm.placeholder((batch, in_channel, in_height, in_width), name='A')
      B = topi.cpp.vision.reorg(A, stride)
  
      a_shape = get_const_tuple(A.shape)
      dtype = A.dtype
  
      def get_ref_data_reorg():
          '''Randomly initialize the data variables and get refernce output for the reorg operation'''
          a_np = np.random.uniform(size=a_shape).astype(dtype)
          b_np = topi.testing.reorg_python(a_np, stride)
          return a_np, b_np
  
      a_np, b_np = get_ref_data_reorg()
      def check_device(device):
          '''Check the device is available and if so, build and run the program'''
          if not tvm.module.enabled(device):
              print("Skip because %s is not enabled" % device)
              return
          print("Running on target: %s" % device)
          target = topi.cpp.TEST_create_target(device)
          if device == "llvm":
              s = topi.cpp.generic.default_schedule(target, [B], False)
          else:
              s = topi.cpp.cuda.schedule_injective(target, [B])
          ctx = tvm.context(device, 0)
          a = tvm.nd.array(a_np, ctx)
          b = tvm.nd.array(np.zeros(get_const_tuple(B.shape), dtype=B.dtype), ctx)
          func = tvm.build(s, [A, B], device, name="reorg")
          func(a, b)
          tvm.testing.assert_allclose(b.asnumpy(), b_np, rtol=1e-5)
  
      for device in ['cuda', 'opencl', 'metal', 'rocm', 'llvm', 'vulkan']:
          check_device(device)
  
  def test_reorg():
      verify_reorg(1, 38, 64, 2)
  
  if __name__ == "__main__":
      logging.basicConfig(level=logging.DEBUG)
      test_reorg()
  
apis: numpy.random.uniform