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implicit none
integer, parameter :: N = 30
integer, parameter :: M = 3
integer :: a(M,N), b(M,N), c(M,N)
integer :: x, y, shift
integer :: i, j
do i = 1, N
a(1,i) = i*32
a(2,i) = i*17
a(3,i) = i*11
b(1,i) = i*7
b(2,i) = i*5
b(3,i) = i*3
end do
x = 0
!$omp parallel do simd collapse(2) reduction(inscan,+: x) private(shift)
do i = 1, N
do j = 1, M
x = x + a(j,i)
x = x + b(j,i)
!$omp scan inclusive(x)
shift = i + 29*j
c(j,i) = x + shift;
end do
end do
y = 0
do i = 1, N
do j = 1, M
y = y + a(j,i) + b(j,i)
if (c(j,i) /= y + i + 29*j) error stop 1
end do
end do
if (x /= y) error stop 2
x = 0
!$omp parallel do simd collapse(2) reduction(inscan,+: x) private(shift)
do i = 1, N
do j = 1, M
shift = i + 29*j
c(j,i) = x + shift;
!$omp scan exclusive(x)
x = x + a(j,i)
x = x + b(j,i)
end do
end do
y = 0
do i = 1, N
do j = 1, M
if (c(j,i) /= y + i + 29*j) error stop 1
y = y + a(j,i) + b(j,i)
end do
end do
if (x /= y) error stop 2
end
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