Hello Sir / Madam, This is Umesh Sharad Shisode, pursuing Masters in Modeling and Simulation, at Centre for Modeling and Simulation, Pune University. I am in the final stage of my course. My Masters Thesis title is : Development of Conjugate Gradient solver in OpenFOAM / CPP using MPI I am now doing MPI part of my project and facing some problems with MPI functions syntax. I am trying to use CPP class object with MPI functions but it is giving some error. Which I don't understand. Operating system : LINUX Programming Language : CPP Commands I am using are : > mpic++ main.cpp -o result > mpirun -np 2 result Please help me to sort out this issue . I am attaching herewith zip file containing the code which I want to parallelize with the png file containing error. Waiting for your reply. Thanks in advance. Regards, Umesh Sharad Shisode, M.Tech in Modeling and Simulation(2013-15), Centre for Modeling and Simulation, University of Pune. _______________________________________________ discuss mailing list [email protected] To manage subscription options or unsubscribe: https://lists.mpich.org/mailman/listinfo/discuss