Commit 0bb74580 authored by gsell's avatar gsell
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Merge branch '526-runtime-error-on-macos-reduction-mpi_sum-is-not-defined-on-mpi_integer' into 'master'

Resolve "Runtime error on macOS: reduction MPI_SUM is not defined on MPI_INTEGER"

Closes #526

See merge request OPAL/src!346
parents dad1d8d1 ee4d1520
......@@ -384,7 +384,7 @@ void ArbitraryDomain::compute(Vector_t hr, NDIndex<3> localId){
int startIdx = 0;
MPI_Scan(&numtotal, &startIdx, 1, MPI_INTEGER, MPI_SUM, MPI_COMM_WORLD);
MPI_Scan(&numtotal, &startIdx, 1, MPI_INT, MPI_SUM, MPI_COMM_WORLD);
startIdx -= numtotal;
// Build up index and coord map
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