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! { dg-do run }
! { dg-additional-sources assumed_rank_1_c.c }
!
! PR fortran/48820
!
! Assumed-rank tests
!
implicit none
interface
subroutine check_value(b, n, val)
integer :: b(..)
integer, value :: n
integer :: val(n)
end subroutine
end interface
integer, target :: x(2:5,4:7), y(-4:4)
integer, allocatable, target :: z(:,:,:,:)
integer, allocatable :: val(:)
integer :: i
allocate(z(1:4, -2:5, 4, 10:11))
if (rank(x) /= 2) STOP 1
val = [(2*i+3, i = 1, size(x))]
x = reshape (val, shape(x))
call foo(x, rank(x), lbound(x), ubound(x), val)
call foo2(x, rank(x), lbound(x), ubound(x), val)
call bar(x,x,.true.)
call bar(x,prsnt=.false.)
if (rank(y) /= 1) STOP 2
val = [(2*i+7, i = 1, size(y))]
y = reshape (val, shape(y))
call foo(y, rank(y), lbound(y), ubound(y), val)
call foo2(y, rank(y), lbound(y), ubound(y), val)
call bar(y,y,.true.)
call bar(y,prsnt=.false.)
if (rank(z) /= 4) STOP 3
val = [(2*i+5, i = 1, size(z))]
z(:,:,:,:) = reshape (val, shape(z))
call foo(z, rank(z), lbound(z), ubound(z), val)
call foo(z, rank(z), lbound(z), ubound(z), val)
call foo2(z, rank(z), lbound(z), ubound(z), val)
call bar(z,z,.true.)
call bar(z,prsnt=.false.)
contains
subroutine bar(a,b, prsnt)
integer, pointer, optional, intent(in) :: a(..),b(..)
logical, value :: prsnt
if (.not. associated(a)) STOP 4
if (present(b)) then
! The following is not valid.
! Technically, it could be allowed and might be in Fortran 2015:
! if (.not. associated(a,b)) STOP 5
else
if (.not. associated(a)) STOP 6
end if
if (.not. present(a)) STOP 7
if (prsnt .neqv. present(b)) STOP 8
end subroutine
! POINTER argument - bounds as specified before
subroutine foo(a, rnk, low, high, val)
integer,pointer, intent(in) :: a(..)
integer, value :: rnk
integer, intent(in) :: low(:), high(:), val(:)
integer :: i
if (rank(a) /= rnk) STOP 9
if (size(low) /= rnk .or. size(high) /= rnk) STOP 10
if (size(a) /= product (high - low +1)) STOP 11
if (rnk > 0) then
if (low(1) /= lbound(a,1)) STOP 12
if (high(1) /= ubound(a,1)) STOP 13
if (size (a,1) /= high(1)-low(1)+1) STOP 14
end if
do i = 1, rnk
if (low(i) /= lbound(a,i)) STOP 15
if (high(i) /= ubound(a,i)) STOP 16
if (size (a,i) /= high(i)-low(i)+1) STOP 17
end do
call check_value (a, rnk, val)
call foo2(a, rnk, low, high, val)
end subroutine
! Non-pointer, non-allocatable bounds. lbound == 1
subroutine foo2(a, rnk, low, high, val)
integer, intent(in) :: a(..)
integer, value :: rnk
integer, intent(in) :: low(:), high(:), val(:)
integer :: i
if (rank(a) /= rnk) STOP 18
if (size(low) /= rnk .or. size(high) /= rnk) STOP 19
if (size(a) /= product (high - low +1)) STOP 20
if (rnk > 0) then
if (1 /= lbound(a,1)) STOP 21
if (high(1)-low(1)+1 /= ubound(a,1)) STOP 22
if (size (a,1) /= high(1)-low(1)+1) STOP 23
end if
do i = 1, rnk
if (1 /= lbound(a,i)) STOP 24
if (high(i)-low(i)+1 /= ubound(a,i)) STOP 25
if (size (a,i) /= high(i)-low(i)+1) STOP 26
end do
call check_value (a, rnk, val)
end subroutine foo2
! ALLOCATABLE argument - bounds as specified before
subroutine foo3 (a, rnk, low, high, val)
integer, allocatable, intent(in), target :: a(..)
integer, value :: rnk
integer, intent(in) :: low(:), high(:), val(:)
integer :: i
if (rank(a) /= rnk) STOP 27
if (size(low) /= rnk .or. size(high) /= rnk) STOP 28
if (size(a) /= product (high - low +1)) STOP 29
if (rnk > 0) then
if (low(1) /= lbound(a,1)) STOP 30
if (high(1) /= ubound(a,1)) STOP 31
if (size (a,1) /= high(1)-low(1)+1) STOP 32
end if
do i = 1, rnk
if (low(i) /= lbound(a,i)) STOP 33
if (high(i) /= ubound(a,i)) STOP 34
if (size (a,i) /= high(i)-low(i)+1) STOP 35
end do
call check_value (a, rnk, val)
call foo(a, rnk, low, high, val)
end subroutine
end
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