Function rows

extensions/include/cuMat/src/UnaryOps.h:751–757

	{}

	__host__ __device__ CUMAT_STRONG_INLINE Index rows() const
	{
		return _Row == Axis::Row ? child_.rows()
			: _Row == Axis::Column ? child_.cols()
			: _Row == Axis::Batch ? child_.batches()
			: 1;
	}
	__host__ __device__ CUMAT_STRONG_INLINE Index cols() const
	{
		return _Col == Axis::Row ? child_.rows()