Subversion Repositories openrisc

! Program to test STATEMENT function

program st_fuction

   call simple_case

   call with_function_call

   call with_character_dummy

   call with_derived_type_dummy

   call with_pointer_dummy

   call multiple_eval

contains

   subroutine simple_case

      integer st1, st2

      integer c(10, 10)

      st1 (i, j) = i + j

      st2 (i, j) = c(i, j)

      if (st1 (1, 2) .ne. 3) call abort

      c = 3

      if (st2 (1, 2) .ne. 3 .or. st2 (2, 3) .ne. 3) call abort

   end subroutine

   subroutine with_function_call

      integer fun, st3

      st3 (i, j) = fun (i) + fun (j)

      if (st3 (fun (2), 4) .ne. 16) call abort

   end subroutine

   subroutine with_character_dummy

      character (len=4) s1, s2, st4

      character (len=10) st5, s0

      st4 (i, j) = "0123456789"(i:j)

      st5 (s1, s2) = s1 // s2

      if (st4 (1, 4) .ne. "0123" ) call abort

      if (st5 ("01", "02") .ne. "01  02    ") call abort ! { dg-warning "Character length of actual argument shorter" }

   end subroutine

   subroutine with_derived_type_dummy

      type person

         integer age

         character (len=50) name

      end type person

      type (person) me, p, tom

      type (person) st6

      st6 (p) = p

      me%age = 5

      me%name = "Tom"

      tom = st6 (me)

      if (tom%age .ne. 5) call abort

      if (tom%name .gt. "Tom") call abort

   end subroutine

   subroutine with_pointer_dummy

      character(len=4), pointer:: p, p1

      character(len=4), target:: i

      character(len=6) a

      a (p) = p // '10'

      p1 => i

      i = '1234'

      if (a (p1) .ne. '123410') call abort

   end subroutine

   subroutine multiple_eval

      integer st7, fun2, fun

      st7(i) = i + fun(i)

      if (st7(fun2(10)) .ne. 3) call abort

   end subroutine

end

! This functon returns the argument passed on the previous call.

integer function fun2 (i)

  integer i

  integer, save :: val = 1

  fun2 = val

  val = i

end function

integer function fun (i)

   integer i

   fun = i * 2

end function