[OMPI users] cannot call member function 'virtual void MPI::MPI::Datatype::Commit()' without an object

Hi, I cannot call MPI::Datatype::Commit() and MPI::Datatype::Get_size() functions from my program. The error that I receive is the some for both of them: "cannot call member function 'virtual void MPI::Datatype::Commit()' without an object or "cannot call member function 'virtual void MPI::Dataty

[OMPI users] MPI_Type_struct for template class with dynamic arrays and objs. instantiated from other classes

are highly appreciated Thank you, Victor Pomponiu - /** * VecData.h: Interface class for data appearing in vector format. */ # include "DistData.h" //Inte