read_eigvals Subroutine

public subroutine read_eigvals(common_data, eigval, istdout, istderr, ierr)

Uses

  • proc~~read_eigvals~~UsesGraph proc~read_eigvals read_eigvals module~w90_error w90_error proc~read_eigvals->module~w90_error module~w90_readwrite w90_readwrite proc~read_eigvals->module~w90_readwrite module~w90_comms w90_comms module~w90_error->module~w90_comms module~w90_error_base w90_error_base module~w90_error->module~w90_error_base module~w90_readwrite->module~w90_comms module~w90_constants w90_constants module~w90_readwrite->module~w90_constants module~w90_types w90_types module~w90_readwrite->module~w90_types module~w90_comms->module~w90_constants module~w90_comms->module~w90_error_base module~w90_types->module~w90_constants

Arguments

Type IntentOptional Attributes Name
type(lib_common_type), intent(inout) :: common_data
real(kind=dp), intent(inout) :: eigval(:,:)
integer, intent(in) :: istdout
integer, intent(in) :: istderr
integer, intent(out) :: ierr

Calls

proc~~read_eigvals~~CallsGraph proc~read_eigvals read_eigvals proc~prterr prterr proc~read_eigvals->proc~prterr proc~set_error_fatal set_error_fatal proc~read_eigvals->proc~set_error_fatal proc~w90_readwrite_read_eigvals w90_readwrite_read_eigvals proc~read_eigvals->proc~w90_readwrite_read_eigvals interface~comms_no_sync_bcast comms_no_sync_bcast proc~prterr->interface~comms_no_sync_bcast interface~comms_no_sync_recv comms_no_sync_recv proc~prterr->interface~comms_no_sync_recv interface~comms_no_sync_send comms_no_sync_send proc~prterr->interface~comms_no_sync_send proc~mpirank mpirank proc~prterr->proc~mpirank proc~mpisize mpisize proc~prterr->proc~mpisize proc~comms_sync_error comms_sync_error proc~set_error_fatal->proc~comms_sync_error proc~set_base_error set_base_error proc~set_error_fatal->proc~set_base_error proc~set_error_file set_error_file proc~w90_readwrite_read_eigvals->proc~set_error_file proc~comms_no_sync_bcast_char comms_no_sync_bcast_char interface~comms_no_sync_bcast->proc~comms_no_sync_bcast_char proc~comms_no_sync_bcast_cmplx comms_no_sync_bcast_cmplx interface~comms_no_sync_bcast->proc~comms_no_sync_bcast_cmplx proc~comms_no_sync_bcast_int comms_no_sync_bcast_int interface~comms_no_sync_bcast->proc~comms_no_sync_bcast_int proc~comms_no_sync_bcast_logical comms_no_sync_bcast_logical interface~comms_no_sync_bcast->proc~comms_no_sync_bcast_logical proc~comms_no_sync_bcast_real comms_no_sync_bcast_real interface~comms_no_sync_bcast->proc~comms_no_sync_bcast_real proc~comms_no_sync_recv_char comms_no_sync_recv_char interface~comms_no_sync_recv->proc~comms_no_sync_recv_char proc~comms_no_sync_recv_cmplx comms_no_sync_recv_cmplx interface~comms_no_sync_recv->proc~comms_no_sync_recv_cmplx proc~comms_no_sync_recv_int comms_no_sync_recv_int interface~comms_no_sync_recv->proc~comms_no_sync_recv_int proc~comms_no_sync_recv_logical comms_no_sync_recv_logical interface~comms_no_sync_recv->proc~comms_no_sync_recv_logical proc~comms_no_sync_recv_real comms_no_sync_recv_real interface~comms_no_sync_recv->proc~comms_no_sync_recv_real proc~comms_no_sync_send_char comms_no_sync_send_char interface~comms_no_sync_send->proc~comms_no_sync_send_char proc~comms_no_sync_send_cmplx comms_no_sync_send_cmplx interface~comms_no_sync_send->proc~comms_no_sync_send_cmplx proc~comms_no_sync_send_int comms_no_sync_send_int interface~comms_no_sync_send->proc~comms_no_sync_send_int proc~comms_no_sync_send_logical comms_no_sync_send_logical interface~comms_no_sync_send->proc~comms_no_sync_send_logical proc~comms_no_sync_send_real comms_no_sync_send_real interface~comms_no_sync_send->proc~comms_no_sync_send_real proc~set_error_file->proc~comms_sync_error proc~set_error_file->proc~set_base_error

Called by

proc~~read_eigvals~~CalledByGraph proc~read_eigvals read_eigvals program~wannier wannier program~wannier->proc~read_eigvals

Source Code

  subroutine read_eigvals(common_data, eigval, istdout, istderr, ierr)
    use w90_error, only: w90_error_type, set_error_fatal
    use w90_readwrite, only: w90_readwrite_read_eigvals

    implicit none

    ! arguments
    integer, intent(in) :: istdout, istderr
    real(kind=dp), intent(inout) :: eigval(:, :)
    type(lib_common_type), intent(inout) :: common_data
    integer, intent(out) :: ierr

    ! local vars
    type(w90_error_type), allocatable :: error
    logical :: eig_found

    ierr = 0

    if (size(eigval, 1) /= common_data%num_bands) then
      call set_error_fatal(error, &
                           'Error: eigval not dimensioned correctly (num_bands,num_kpts) in read_eigvals', common_data%comm)
      call prterr(error, ierr, istdout, istderr, common_data%comm)
      return
    elseif (size(eigval, 2) /= common_data%num_kpts) then
      call set_error_fatal(error, &
                           'Error: eigval not dimensioned correctly (num_bands,num_kpts) in read_eigvals', common_data%comm)
      call prterr(error, ierr, istdout, istderr, common_data%comm)
      return
    end if

    call w90_readwrite_read_eigvals(eig_found, eigval, common_data%num_bands, common_data%num_kpts, &
                                    istdout, common_data%seedname, error, common_data%comm)
    if (allocated(error)) then
      call prterr(error, ierr, istdout, istderr, common_data%comm)
      return
    else if (.not. eig_found) then
      call set_error_fatal(error, &
                           'Error: failed to read eigenvalues file in read_eigvals', common_data%comm)
      call prterr(error, ierr, istdout, istderr, common_data%comm)
      return
    end if
  end subroutine read_eigvals