46 lines
851 B
Fortran
46 lines
851 B
Fortran
! { dg-do run }
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module e_53_3_mod
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!$omp declare target (N, p, v1, v2)
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integer, parameter :: N = 1000
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real :: p(N), v1(N), v2(N)
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end module
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subroutine init (v1, v2, N)
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integer :: i, N
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real :: v1(N), v2(N)
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do i = 1, N
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v1(i) = i + 2.0
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v2(i) = i - 3.0
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end do
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end subroutine
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subroutine check (p, N)
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integer :: i, N
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real, parameter :: EPS = 0.00001
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real :: diff, p(N)
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do i = 1, N
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diff = p(i) - (i + 2.0) * (i - 3.0)
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if (diff > EPS .or. -diff > EPS) stop 1
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end do
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end subroutine
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subroutine vec_mult ()
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use e_53_3_mod
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integer :: i
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call init (v1, v2, N);
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!$omp target update to(v1, v2)
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!$omp target
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!$omp parallel do
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do i = 1,N
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p(i) = v1(i) * v2(i)
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end do
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!$omp end target
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!$omp target update from (p)
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call check (p, N)
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end subroutine
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program e_53_3
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call vec_mult ()
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end program
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