xref: /petsc/src/sys/tests/ex76.c (revision 174dc0c8cee294b82b85e4dd3b331b29396264fc)
1 static char help[] = "Tests MPIU_Allreduce() for large count.\n";
2 #include <petscsys.h>
3 
4 int main(int argc, char **args)
5 {
6   PetscBool same = PETSC_FALSE;
7 
8   PetscFunctionBeginUser;
9   PetscCall(PetscInitialize(&argc, &args, NULL, help));
10   PetscCallMPI(MPIU_Allreduce(MPI_IN_PLACE, &same, PETSC_INT_MAX - 100, MPIU_BOOL, MPI_LAND, PETSC_COMM_WORLD));
11   PetscCall(PetscFinalize());
12   return 0;
13 }
14 
15 /*TEST
16 
17    test:
18      requires: !defined(PETSC_HAVE_MPI_LARGE_COUNT) defined(PETSC_HAVE_64_BIT_INDICES)
19      args: -petsc_ci_portable_error_output -error_output_stdout
20      filter: grep -E "(PETSC ERROR)" | grep -E "(Error Created|CreateError\(\)|main\(\))"
21 
22 TEST*/
23