class_docstr: Implements the R-operator for the downsample operation.
class_docstr_tok: ["Implements","the","R-operator","for","the","downsample","operation","."]
code: def c_header_dirs(self):
      return [gpuarray_helper_inc_dir(), pygpu.get_include()]
  
imports: from __future__ import absolute_import, print_function, division
  import theano
  from theano import Apply
  from theano.gof import ParamsType
  from theano.scalar import bool
  from theano.tensor.basic import as_tensor_variable
  from theano.tensor.signal.pool import Pool, PoolingMode_t
  from .type import gpu_context_type
  from .basic_ops import CGpuKernelBase, infer_context_name, gpuarray_helper_inc_dir, as_gpuarray_variable, gpu_contiguous
label_desc: Use image node_id 4 for calling the GpuMaxPoolRop obj's underlying member method code with example usage: obj.c_header_dirs() and returns: list