Method init

src/TopicModel/LDA.h:51–63

		ShareableMatrix& operator=(ShareableMatrix&& o) = default;

		void init(_Scalar* ptr, Eigen::Index rows, Eigen::Index cols)
		{
			if (!ptr && rows && cols)
			{
				ownData = Eigen::Matrix<_Scalar, _rows, _cols>::Zero(_rows != -1 ? _rows : rows, _cols != -1 ? _cols : cols);
				ptr = ownData.data();
			}
			else
			{
				ownData = Eigen::Matrix<_Scalar, _rows, _cols>{};
			}
			new (this) BaseType(ptr, _rows != -1 ? _rows : rows, _cols != -1 ? _cols : cols);
		}

		void conservativeResize(size_t newRows, size_t newCols)
		{