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kamping-site / kamping

KaMPIng: (Near) zero-overhead MPI wrapper for modern C++
https://kamping-site.github.io/kamping/
GNU Lesser General Public License v3.0
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Remove `Group(MPI_Comm)` constructor. #672

Closed niklas-uhl closed 6 months ago

niklas-uhl commented 6 months ago

MPICH(-based) MPI's typedef both MPI_Comm and MPI_Group as int, which leads to ambigous definitions. So we should only have a group constructor accepting a kamping::Communicator.