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