shape_2.f90

来自「linux下编程用 编译软件」· F90 代码 · 共 31 行

! Check that lbound() and ubound() work correctly for assumed shapes.
! { dg-do run }
program main
  integer, dimension (40, 80) :: a = 1
  call test (a)
contains
  subroutine test (b)
    integer, dimension (11:, -8:), target :: b
    integer, dimension (:, :), pointer :: ptr

    if (lbound (b, 1) .ne. 11) call abort
    if (ubound (b, 1) .ne. 50) call abort
    if (lbound (b, 2) .ne. -8) call abort
    if (ubound (b, 2) .ne. 71) call abort

    if (lbound (b (:, :), 1) .ne. 1) call abort
    if (ubound (b (:, :), 1) .ne. 40) call abort
    if (lbound (b (:, :), 2) .ne. 1) call abort
    if (ubound (b (:, :), 2) .ne. 80) call abort

    if (lbound (b (20:30:3, 40), 1) .ne. 1) call abort
    if (ubound (b (20:30:3, 40), 1) .ne. 4) call abort

    ptr => b
    if (lbound (ptr, 1) .ne. 1) call abort
    if (ubound (ptr, 1) .ne. 40) call abort
    if (lbound (ptr, 2) .ne. 1) call abort
    if (ubound (ptr, 2) .ne. 80) call abort
  end subroutine test
end program main