Method n_nested

include/tiny-cuda-nn/encoding.h:58–58

	virtual MatrixLayout preferred_output_layout() const = 0;

	virtual size_t n_nested() const { return 0; }
	virtual const std::shared_ptr<Encoding<T>>& nested(size_t idx = 0) const {
		throw std::runtime_error{"Encoding does not support nesting."};
	}