Base class for unary operations. More...
Returns the number of columns that shall have the result of the binary operation. Internaly, this method relies on the template arguments of given expression.
Cast this object as a const reference of the Derived class.
Returns the number of rows that shall have the result of the unary operation. Internaly, this method relies on the rows() method of the Derived class.
Store the expression x as plain object or reference depending of their type.