
Though the MPI standard does not have `MPI_CXX_COMPLEX`, `mpi.h`, `mpif.h`, and `mpi.mod` have it. So I added it for consistency. Signed-off-by: KAWASHIMA Takahiro <t-kawashima@jp.fujitsu.com>
Though the MPI standard does not have `MPI_CXX_COMPLEX`, `mpi.h`, `mpif.h`, and `mpi.mod` have it. So I added it for consistency. Signed-off-by: KAWASHIMA Takahiro <t-kawashima@jp.fujitsu.com>