Subversion Repositories openrisc_2011-10-31

! { dg-do run }

! Tests the fix for PR31213, which exposed rather a lot of

! bugs - see the PR and the ChangeLog.

!

! Contributed by Joost VandeVondele 

!

module mykinds

  implicit none

  integer, parameter :: ik1 = selected_int_kind (2)

  integer, parameter :: ik2 = selected_int_kind (4)

  integer, parameter :: dp = selected_real_kind (15,300)

end module mykinds

module spec_xpr

  use mykinds

  implicit none

  integer(ik2) c_size

contains

  pure function tricky (str,ugly)

    character(*), intent(in) :: str

    integer(ik1) :: ia_ik1(len(str))

    interface yoagly

      pure function ugly(n)

        use mykinds

        implicit none

        integer, intent(in) :: n

        complex(dp) :: ugly(3*n+2)

      end function ugly

    end interface yoagly

    logical :: la(size (yoagly (size (ia_ik1))))

    integer :: i

    character(tricky_helper ((/(.TRUE., i=1, size (la))/)) + c_size) :: tricky

    tricky = transfer (yoagly (1), tricky)

  end function tricky

  pure function tricky_helper (lb)

    logical, intent(in) :: lb(:)

    integer :: tricky_helper

    tricky_helper = 2 * size (lb) + 3

  end function tricky_helper

end module spec_xpr

module xtra_fun

  implicit none

contains

  pure function butt_ugly(n)

    use mykinds

    implicit none

    integer, intent(in) :: n

    complex(dp) :: butt_ugly(3*n+2)

    real(dp) pi, sq2

    pi = 4 * atan (1.0_dp)

    sq2 = sqrt (2.0_dp)

    butt_ugly = cmplx (pi, sq2, dp)

  end function butt_ugly

end module xtra_fun

program spec_test

  use mykinds

  use spec_xpr

  use xtra_fun

  implicit none

  character(54) :: chr

  c_size = 5

  if (tricky ('Help me', butt_ugly) .ne. transfer (butt_ugly (1), chr)) call abort ()

end program spec_test

! { dg-final { cleanup-modules "mykinds spec_xpr xtra_fun" } }