gcc/libgomp/testsuite/libgomp.fortran/omp_atomic2.f90

55 lines
864 B
Fortran

! { dg-do run }
real, dimension (20) :: r
integer, dimension (20) :: d
integer :: i, j, k, n
integer (kind = 2) :: a, b, c
do 10 i = 1, 20
r(i) = i
10 d(i) = 21 - i
n = 20
call foo (r, d, n)
if (n .ne. 22) call abort
if (any (r .ne. 33)) call abort
i = 1
j = 18
k = 23
!$omp atomic
i = min (i, j, k, n)
if (i .ne. 1) call abort
!$omp atomic
i = max (j, n, k, i)
if (i .ne. 23) call abort
a = 1
b = 18
c = 23
!$omp atomic
a = min (a, b, c)
if (a .ne. 1) call abort
!$omp atomic
a = max (a, b, c)
if (a .ne. 23) call abort
contains
function bar (i)
real bar
integer i
bar = 12.0 + i
end function bar
subroutine foo (x, y, n)
integer i, y (*), n
real x (*)
do i = 1, n
!$omp atomic
x(y(i)) = x(y(i)) + bar (i)
end do
!$omp atomic
n = n + 2
end subroutine foo
end