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- ! Test OpenACC declare directives with optional arguments.
- ! { dg-do run }
- program test
- implicit none
- integer, parameter :: n = 64
- integer :: i
- integer :: a_int, b_int, c_int, res_int
- integer :: a_arr(n), b_arr(n), c_arr(n), res_arr(n)
- a_int = 7
- b_int = 3
- c_int = 11
- call test_int(res_int, a_int)
- if (res_int .ne. a_int) stop 1
- call test_int(res_int, a_int, b_int)
- if (res_int .ne. a_int * b_int) stop 2
- call test_int(res_int, a_int, b_int, c_int)
- if (res_int .ne. a_int * b_int + c_int) stop 3
- do i = 1, n
- a_arr(i) = i
- b_arr(i) = n - i + 1
- c_arr(i) = i * 3
- end do
- call test_array(res_arr, a_arr)
- do i = 1, n
- if (res_arr(i) .ne. a_arr(i)) stop 4
- end do
- call test_array(res_arr, a_arr, b_arr)
- do i = 1, n
- if (res_arr(i) .ne. a_arr(i) * b_arr(i)) stop 5
- end do
- call test_array(res_arr, a_arr, b_arr, c_arr)
- do i = 1, n
- if (res_arr(i) .ne. a_arr(i) * b_arr(i) + c_arr(i)) stop 6
- end do
- contains
- subroutine test_int(res, a, b, c)
- integer :: a
- integer, optional :: b, c
- !$acc declare present_or_copyin(a, b, c)
- integer :: res
- !$acc declare present_or_copyout(res)
- !$acc parallel
- res = a
- if (present(b)) res = res * b
- if (present(c)) res = res + c
- !$acc end parallel
- end subroutine test_int
- subroutine test_array(res, a, b, c)
- integer :: a(n)
- integer, optional :: b(n), c(n)
- !$acc declare present_or_copyin(a, b, c)
- integer :: res(n)
- !$acc declare present_or_copyout(res)
- !$acc parallel loop
- do i = 1, n
- res(i) = a(i)
- end do
- !$acc parallel loop
- do i = 1, n
- if (present(b)) then
- res(i) = res(i) * b(i)
- end if
- end do
- !$acc parallel loop
- do i = 1, n
- if (present(c)) then
- res(i) = res(i) + c(i)
- end if
- end do
- end subroutine test_array
- end program test
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