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! Copyright 2015-2018 Free Software Foundation, Inc.
!
! This program is free software; you can redistribute it and/or modify
! it under the terms of the GNU General Public License as published by
! the Free Software Foundation; either version 3 of the License, or
! (at your option) any later version.
!
! This program is distributed in the hope that it will be useful,
! but WITHOUT ANY WARRANTY; without even the implied warranty of
! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
! GNU General Public License for more details.
!
! You should have received a copy of the GNU General Public License
! along with this program. If not, see <http://www.gnu.org/licenses/>.
program vla
real, target, allocatable :: vla1 (:, :, :)
real, target, allocatable :: vla2 (:, :, :)
real, target, allocatable :: vla3 (:, :)
real, pointer :: pvla (:, :, :)
logical :: l
nullify(pvla)
allocate (vla1 (10,10,10)) ! vla1-init
l = allocated(vla1)
allocate (vla2 (1:7,42:50,13:35)) ! vla1-allocated
l = allocated(vla2)
vla1(:, :, :) = 1311 ! vla2-allocated
vla1(3, 6, 9) = 42
vla1(1, 3, 8) = 1001
vla1(6, 2, 7) = 13
vla2(:, :, :) = 1311 ! vla1-filled
vla2(5, 45, 20) = 42
pvla => vla1 ! vla2-filled
l = associated(pvla)
pvla => vla2 ! pvla-associated
l = associated(pvla)
pvla(5, 45, 20) = 1
pvla(7, 45, 14) = 2
pvla => null() ! pvla-re-associated
l = associated(pvla)
deallocate (vla1) ! pvla-deassociated
l = allocated(vla1)
deallocate (vla2) ! vla1-deallocated
l = allocated(vla2)
allocate (vla3 (2,2)) ! vla2-deallocated
vla3(:,:) = 13
end program vla
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