mirror of git://gcc.gnu.org/git/gcc.git
60 lines
1.4 KiB
Fortran
60 lines
1.4 KiB
Fortran
! { dg-do run }
|
|
|
|
module e_50_4_mod
|
|
contains
|
|
subroutine init (v1, v2, N)
|
|
integer :: i, N
|
|
real, pointer, dimension(:) :: v1, v2
|
|
do i = 1, N
|
|
v1(i) = i + 2.0
|
|
v2(i) = i - 3.0
|
|
end do
|
|
end subroutine
|
|
|
|
subroutine check (p, N)
|
|
integer :: i, N
|
|
real, parameter :: EPS = 0.00001
|
|
real, pointer, dimension(:) :: p
|
|
do i = 1, N
|
|
diff = p(i) - (i + 2.0) * (i - 3.0)
|
|
if (diff > EPS .or. -diff > EPS) call abort
|
|
end do
|
|
end subroutine
|
|
|
|
subroutine vec_mult_1 (p, v1, v2, N)
|
|
integer :: i, N
|
|
real, pointer, dimension(:) :: p, v1, v2
|
|
!$omp target map(to: v1(1:N), v2(:N)) map(from: p(1:N))
|
|
!$omp parallel do
|
|
do i = 1, N
|
|
p(i) = v1(i) * v2(i)
|
|
end do
|
|
!$omp end target
|
|
end subroutine
|
|
|
|
subroutine vec_mult_2 (p, v1, v2, N)
|
|
real, dimension(*) :: p, v1, v2
|
|
integer :: i, N
|
|
!$omp target map(to: v1(1:N), v2(:N)) map(from: p(1:N))
|
|
!$omp parallel do
|
|
do i = 1, N
|
|
p(i) = v1(i) * v2(i)
|
|
end do
|
|
!$omp end target
|
|
end subroutine
|
|
end module
|
|
|
|
program e_50_4
|
|
use e_50_4_mod, only : init, check, vec_mult_1, vec_mult_2
|
|
real, pointer, dimension(:) :: p1, p2, v1, v2
|
|
integer :: n
|
|
n = 1000
|
|
allocate (p1(n), p2(n), v1(n), v2(n))
|
|
call init (v1, v2, n)
|
|
call vec_mult_1 (p1, v1, v2, n)
|
|
call vec_mult_2 (p2, v1, v2, n)
|
|
call check (p1, N)
|
|
call check (p2, N)
|
|
deallocate (p1, p2, v1, v2)
|
|
end program
|