226 lines
4.1 KiB
Fortran
226 lines
4.1 KiB
Fortran
! { dg-do run }
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! Integer reductions
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program reduction_1
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implicit none
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integer, parameter :: n = 10, vl = 2
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integer :: i, vresult, result
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logical :: lresult, lvresult
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integer, dimension (n) :: array
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do i = 1, n
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array(i) = i
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end do
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result = 0
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vresult = 0
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! '+' reductions
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!$acc parallel vector_length(vl) num_gangs(1)
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!$acc loop reduction(+:result)
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do i = 1, n
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result = result + array(i)
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end do
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!$acc end parallel
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! Verify the results
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do i = 1, n
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vresult = vresult + array(i)
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end do
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if (result.ne.vresult) call abort
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result = 0
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vresult = 0
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! '*' reductions
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!$acc parallel vector_length(vl) num_gangs(1)
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!$acc loop reduction(*:result)
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do i = 1, n
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result = result * array(i)
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end do
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!$acc end parallel
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! Verify the results
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do i = 1, n
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vresult = vresult * array(i)
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end do
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if (result.ne.vresult) call abort
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result = 0
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vresult = 0
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! 'max' reductions
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!$acc parallel vector_length(vl) num_gangs(1)
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!$acc loop reduction(max:result)
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do i = 1, n
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result = max (result, array(i))
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end do
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!$acc end parallel
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! Verify the results
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do i = 1, n
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vresult = max (vresult, array(i))
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end do
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if (result.ne.vresult) call abort
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result = 1
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vresult = 1
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! 'min' reductions
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!$acc parallel vector_length(vl) num_gangs(1)
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!$acc loop reduction(min:result)
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do i = 1, n
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result = min (result, array(i))
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end do
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!$acc end parallel
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! Verify the results
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do i = 1, n
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vresult = min (vresult, array(i))
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end do
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if (result.ne.vresult) call abort
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result = 1
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vresult = 1
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! 'iand' reductions
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!$acc parallel vector_length(vl) num_gangs(1)
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!$acc loop reduction(iand:result)
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do i = 1, n
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result = iand (result, array(i))
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end do
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!$acc end parallel
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! Verify the results
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do i = 1, n
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vresult = iand (vresult, array(i))
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end do
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if (result.ne.vresult) call abort
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result = 1
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vresult = 1
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! 'ior' reductions
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!$acc parallel vector_length(vl) num_gangs(1)
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!$acc loop reduction(ior:result)
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do i = 1, n
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result = ior (result, array(i))
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end do
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!$acc end parallel
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! Verify the results
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do i = 1, n
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vresult = ior (vresult, array(i))
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end do
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if (result.ne.vresult) call abort
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result = 0
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vresult = 0
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! 'ieor' reductions
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!$acc parallel vector_length(vl) num_gangs(1)
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!$acc loop reduction(ieor:result)
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do i = 1, n
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result = ieor (result, array(i))
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end do
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!$acc end parallel
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! Verify the results
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do i = 1, n
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vresult = ieor (vresult, array(i))
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end do
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if (result.ne.vresult) call abort
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lresult = .false.
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lvresult = .false.
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! '.and.' reductions
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!$acc parallel vector_length(vl) num_gangs(1)
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!$acc loop reduction(.and.:lresult)
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do i = 1, n
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lresult = lresult .and. (array(i) .ge. 5)
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end do
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!$acc end parallel
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! Verify the results
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do i = 1, n
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lvresult = lvresult .and. (array(i) .ge. 5)
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end do
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if (result.ne.vresult) call abort
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lresult = .false.
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lvresult = .false.
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! '.or.' reductions
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!$acc parallel vector_length(vl) num_gangs(1)
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!$acc loop reduction(.or.:lresult)
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do i = 1, n
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lresult = lresult .or. (array(i) .ge. 5)
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end do
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!$acc end parallel
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! Verify the results
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do i = 1, n
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lvresult = lvresult .or. (array(i) .ge. 5)
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end do
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if (result.ne.vresult) call abort
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lresult = .false.
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lvresult = .false.
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! '.eqv.' reductions
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!$acc parallel vector_length(vl) num_gangs(1)
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!$acc loop reduction(.eqv.:lresult)
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do i = 1, n
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lresult = lresult .eqv. (array(i) .ge. 5)
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end do
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!$acc end parallel
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! Verify the results
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do i = 1, n
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lvresult = lvresult .eqv. (array(i) .ge. 5)
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end do
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if (result.ne.vresult) call abort
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lresult = .false.
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lvresult = .false.
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! '.neqv.' reductions
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!$acc parallel vector_length(vl) num_gangs(1)
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!$acc loop reduction(.neqv.:lresult)
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do i = 1, n
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lresult = lresult .neqv. (array(i) .ge. 5)
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end do
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!$acc end parallel
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! Verify the results
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do i = 1, n
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lvresult = lvresult .neqv. (array(i) .ge. 5)
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end do
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if (result.ne.vresult) call abort
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end program reduction_1
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