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(parent: 049365f) | patch
fix metis partitioning with too many processors
authorTimo Heister <timo.heister@gmail.com>
Tue, 26 Jan 2016 09:51:38 +0000 (10:51 +0100)
committerTimo Heister <timo.heister@gmail.com>
Tue, 26 Jan 2016 09:51:38 +0000 (10:51 +0100)
commit97171156929d74fdb55eecc9db41ccb4233a8aa4
tree71a47c7fa91364d60e7babafcae2a19e5f9de646tree | snapshot
parent049365fe1fae2bff7a9d93100c3338d51409db0acommit | diff
fix metis partitioning with too many processors

If you have more processors than cells to partition, METIS will behave
in a weird and undesired way:
- at some point all subdomains land on a single processor
- METIS produces an error message "***Cannot bisect a graph with 0
vertices!"
source/lac/sparsity_tools.cc diff | blob | history
tests/metis/metis_04.output diff | blob | history
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