namespace dk {
	///--------------------------------------------------------------------------
	///--------------------------------------------------------------------------
	template <size_t D>
	Tyler<D>::Tyler (const coords& parSize, const coords& parTileSize) :
		m_size(parSize),
		m_tilesize(parTileSize)
	{
		assert(m_size.x() > 0 and m_size.y() > 0);
	}

	///--------------------------------------------------------------------------
	///--------------------------------------------------------------------------
	template <size_t D>
	typename Tyler<D>::coords::value_type Tyler<D>::tiles_count() const {
		typename coords::value_type retval = 1;
		for (size_t d = 0; d < D; ++d) {
			retval *= m_size[d];
		}
		return retval;
	}

	///--------------------------------------------------------------------------
	///--------------------------------------------------------------------------
	template <size_t D>
	template <typename T>
	size_t Tyler<D>::push_layer (typename Layer<T, D>::streamer_type&& parStreamer) {
		const size_t retval = m_layers.size();
		m_layers.push_back(LayerPtr(new Layer<T, D>(m_size, m_tilesize, coords(1), std::move(parStreamer))));
		return retval;
	}

	///--------------------------------------------------------------------------
	///--------------------------------------------------------------------------
	template <size_t D>
	template <typename T>
	size_t Tyler<D>::push_layer (typename Layer<T, D>::streamer_type&& parStreamer, const coords& parSubdiv) {
		const size_t retval = m_layers.size();
		m_layers.push_back(LayerPtr(new Layer<T, D>(m_size * parSubdiv, m_tilesize / parSubdiv, m_tilesize, std::move(parStreamer))));
		return retval;
	}
} //namespace dk