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program datatype1
use mpi
implicit none
integer, dimension(8,8) :: array
integer :: rank, ierr
!TODO: declare variable for datatype
integer :: i, j
call mpi_init(ierr)
call mpi_comm_rank(MPI_COMM_WORLD, rank ,ierr)
! initialize arrays
if (rank == 0) then
do i=1,8
do j=1,8
array(i,j) = i*10 + j
end do
end do
else
array(:,:) = 0
end if
if (rank == 0) then
write(*,*) 'Data in rank 0'
do i=1,8
write(*,'(8I3)') array(i, :)
end do
end if
!TODO: create datatype describing one row, use mpi_type_vector
!TODO: send first row of matrix from rank 0 to 1
! Print out the result
if (rank == 1) then
write(*,*) 'Received data'
do i=1,8
write(*,'(8I3)') array(i, :)
end do
end if
!TODO free datatype
call mpi_finalize(ierr)
end program datatype1