when test in python got true.
>>> torch.cuda.is_available()
True

but in libtorch always got false.
int main(int argc, const char* argv[]) {

	torch::DeviceType device_type;

	if (torch::cuda::cudnn_is_available()) {
		std::cout << "cudnn_is_available" << std::endl;
	}



libtorch is cuda 10.0 version in windows.
What is wrong ?