Commit f4e3273e authored by Committed by Johannes Krause
Replace C++ MPI bindings with C MPI bindings
The C++ MPI bindings have been deprecated a long time ago and are e.g. not enabled per default in OpenMPI 4 (or even present, since I found the open-mpi configure flag to be defunct for me). Custom wrapper functions are now defined in My_MPI class.
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