Retro68/gcc/libgomp/testsuite/libgomp.fortran/reduction6.f90
Wolfgang Thaller aaf905ce07 add gcc 4.70
2012-03-28 01:13:14 +02:00

33 lines
697 B
Fortran

! { dg-do run }
integer, dimension (6, 6) :: a
character (36) :: c
integer nthreads
a = 9
nthreads = -1
call foo (a (2:4, 3:5), nthreads)
if (nthreads .eq. 3) then
write (c, '(36i1)') a
if (c .ne. '999999999999966699966699966699999999') call abort
end if
contains
subroutine foo (b, nthreads)
use omp_lib
integer, dimension (3:, 5:) :: b
integer :: err, nthreads
b = 0
err = 0
!$omp parallel num_threads (3) reduction (+:b)
if (any (b .ne. 0)) then
!$omp atomic
err = err + 1
end if
!$omp master
nthreads = omp_get_num_threads ()
!$omp end master
b = 2
!$omp end parallel
if (err .gt. 0) call abort
end subroutine foo
end