bool CudnnSupport::DoXYPad(Stream* stream,
                           const dnn::BatchDescriptor& dimensions,
                           const DeviceMemory<float>& input_data,
                           int64 left_pad, int64 right_pad, int64 top_pad,
                           int64 bottom_pad, DeviceMemory<float>* output_data) {
  LOG(FATAL) << "not yet implemented";  // TODO(leary)
  return false;
}
bool CudnnSupport::DoXYPad(Stream* stream,
                           const dnn::BatchDescriptor& dimensions,
                           const DeviceMemory<float>& input_data,
                           int64 left_pad, int64 right_pad, int64 top_pad,
                           int64 bottom_pad, DeviceMemory<float>* output_data) {
  LOG(FATAL) << "not yet implemented";   
  return false;
}