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! { dg-do run }
! Test functions returning arrays of indeterminate size.
program ret_array_1
integer, dimension(:, :), allocatable :: a
integer, dimension(2) :: b
allocate (a(2, 3))
a = reshape ((/1, 2, 3, 4, 5, 6/), (/2, 3/))
! Using the return value as an actual argument
b = 0;
b = sum (transpose (a), 1);
if (any (b .ne. (/9, 12/))) STOP 1
! Using the return value in an expression
b = 0;
b = sum (transpose (a) + 1, 1);
if (any (b .ne. (/12, 15/))) STOP 2
! Same again testing a user function
! TODO: enable these once this is implemented
! b = 0;
! b = sum (my_transpose (a), 1);
! if (any (b .ne. (/9, 12/))) STOP 3
!
! ! Using the return value in an expression
! b = 0;
! b = sum (my_transpose (a) + 1, 1);
! if (any (b .ne. (/12, 15/))) STOP 4
contains
subroutine test(x, n)
integer, dimension (:, :) :: x
integer n
if (any (shape (x) .ne. (/3, 2/))) STOP 1
if (any (x .ne. (n + reshape((/1, 4, 2, 5, 3, 6/), (/3, 2/))))) STOP 2
end subroutine
function my_transpose (x) result (r)
interface
pure function obfuscate (i)
integer obfuscate
integer, intent(in) :: i
end function
end interface
integer, dimension (:, :) :: x
integer, dimension (obfuscate(ubound(x, 2)), &
obfuscate(ubound(x, 1))) :: r
integer i
do i = 1, ubound(x, 1)
r(:, i) = x(i, :)
end do
end function
end program
pure function obfuscate (i)
integer obfuscate
integer, intent(in) :: i
obfuscate = i
end function
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