gcc/testsuite/gfortran.dg/dim_sum_1.f90

   1 ! { dg-do  run }
   2 ! { dg-shouldfail "Dim argument incorrect in SUM intrinsic: is 5, should be between 1 and 2" }
   3
   4 program summation
   5
   6   integer, parameter :: n1=5, n2=7
   7   integer, dimension(1:n1,1:n2) :: arr
   8   integer, dimension(1:n1) :: r2
   9   integer, dimension(1:n2) :: r1
  10   integer :: i,j
  11   character(len=80) :: c1, c2
  12   character(len=50) :: fmt = '(10I5)'
  13   do j=1,n2
  14      do i=1,n1
  15         arr(i,j) = i+j*10
  16      end do
  17   end do
  18
  19   r1 = sum(arr,dim=1)
  20   write (unit=c2, fmt=fmt) r1
  21   call print_sum(1,c1)
  22   if (c1 /= c2) STOP 1
  23   r2 = sum(arr,dim=2)
  24   write (unit=c2, fmt=fmt) r2
  25   call print_sum(2,c1)
  26   if (c1 /= c2) STOP 2
  27   call print_sum(5,c1)
  28
  29 contains
  30
  31   subroutine print_sum(d, c)
  32     integer, intent(in) :: d
  33     character(len=80), intent(out) :: c
  34     write (unit=c, fmt=fmt) sum(arr,dim=d)
  35    end subroutine
  36
  37 end