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! Program to test IO of derived types
program derived_io
character(400) :: buf1, buf2, buf3
type xyz_type
integer :: x
character(11) :: y
logical :: z
end type xyz_type
type abcdef_type
integer :: a
logical :: b
type (xyz_type) :: c
integer :: d
real(4) :: e
character(11) :: f
end type abcdef_type
type (xyz_type), dimension(2) :: xyz
type (abcdef_type) abcdef
xyz(1)%x = 11111
xyz(1)%y = "hello world"
xyz(1)%z = .true.
xyz(2)%x = 0
xyz(2)%y = "go away"
xyz(2)%z = .false.
abcdef%a = 0
abcdef%b = .true.
abcdef%c%x = 111
abcdef%c%y = "bzz booo"
abcdef%c%z = .false.
abcdef%d = 3
abcdef%e = 4.0
abcdef%f = "kawabanga"
write (buf1, *), xyz(1)%x, xyz(1)%y, xyz(1)%z
! Use function call to ensure it is only evaluated once
write (buf2, *), xyz(bar())
if (buf1.ne.buf2) call abort
write (buf1, *), abcdef
write (buf2, *), abcdef%a, abcdef%b, abcdef%c, abcdef%d, abcdef%e, abcdef%f
write (buf3, *), abcdef%a, abcdef%b, abcdef%c%x, abcdef%c%y, &
abcdef%c%z, abcdef%d, abcdef%e, abcdef%f
if (buf1.ne.buf2) call abort
if (buf1.ne.buf3) call abort
call foo(xyz(1))
contains
subroutine foo(t)
type (xyz_type) t
write (buf1, *), t%x, t%y, t%z
write (buf2, *), t
if (buf1.ne.buf2) call abort
end subroutine foo
integer function bar()
integer, save :: i = 1
bar = i
i = i + 1
end function
end
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