00001 subroutine derivatives_EM1form
00002   use phys_constant, only : long
00003   use grid_parameter, only : nrg, ntg, npg
00004   use def_emfield, only : vaxd, vayd, vazd
00005   use def_emfield_derivatives, only : pdvaxd, pdvayd, pdvazd, &
00006   &                                   cdvaxd, cdvayd, cdvazd
00007   use interface_grgrad_vec_partial
00008   use interface_grgrad_vec_covariant
00009   implicit none
00010 
00011   character(len=1) :: index
00012 
00013   call grgrad_vec_partial(vaxd,vayd,vazd,pdvaxd,pdvayd,pdvazd)
00014   call grgrad_vec_covariant('d',vaxd,vayd,vazd,pdvaxd,pdvayd,pdvazd, &
00015        &                                       cdvaxd,cdvayd,cdvazd)
00016 
00017 end subroutine derivatives_EM1form