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(parent: f9ea339) | patch
return MPI_Comm by const ref 9002/head
authorTimo Heister <timo.heister@gmail.com>
Tue, 5 Nov 2019 01:38:50 +0000 (20:38 -0500)
committerTimo Heister <timo.heister@gmail.com>
Tue, 5 Nov 2019 01:38:50 +0000 (20:38 -0500)
commitd8f2acf61b98637b0824ff0c97af276aadbf239e
tree9204f7604c29fba29a3e0ec434e24421d711b34etree | snapshot
parentf9ea339613b8041c4e42e0c8b9e7297aa0a823becommit | diff
return MPI_Comm by const ref

Fix a few places where we return the MPI_Comm by value. This is
problematic if we pass it to a function taking a reference and storing
it:

    CollectiveMutex::ScopedLock lock(mutex, tria.get_communicator());
include/deal.II/distributed/tria_base.h diff | blob | history
include/deal.II/multigrid/multigrid.h diff | blob | history
source/distributed/tria_base.cc diff | blob | history
Mirror of the development repository for deal.II

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