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author | Anton Khirnov <anton@khirnov.net> | 2019-06-11 10:52:06 +0200 |
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committer | Anton Khirnov <anton@khirnov.net> | 2019-06-11 10:52:06 +0200 |
commit | ac042bca49f5b269ac3cb4d30c4a191158dc4f25 (patch) | |
tree | d048733dc2b2d5070503ac7b86a775bbb9e48fec | |
parent | 2a22da0b5724e68e4b2644cb2289f2947f9d5d46 (diff) |
Do not pass NULL to MPI as a datatype.
Use MPI_DATATYPE_NULL.
-rw-r--r-- | src/maximal_slicing_axi_mg.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/maximal_slicing_axi_mg.c b/src/maximal_slicing_axi_mg.c index 365c3ce..100f3c0 100644 --- a/src/maximal_slicing_axi_mg.c +++ b/src/maximal_slicing_axi_mg.c @@ -281,7 +281,7 @@ static void get_extents(size_t **pextents, int *level_size, cGH *gh) } if (nb_procs > 1) - MPI_Allgather(MPI_IN_PLACE, 0, NULL, extents, 4 * sizeof(*extents), MPI_BYTE, MPI_COMM_WORLD); + MPI_Allgather(MPI_IN_PLACE, 0, MPI_DATATYPE_NULL, extents, 4 * sizeof(*extents), MPI_BYTE, MPI_COMM_WORLD); level_size[0] = 0; level_size[1] = 0; |