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program forall1
implicit none
! Only for Syntax check
!>>>>>>>>>>>>> Single line statments <<<<<<<<<<<<<<
FORALL (i=1:n) A(i,i) = B(i)
forall (i=1:n:3, j=1:n:5) A(i,j) = SIN(A(j,i))
forall (i=1:n, j=1:n, i/=j) A(i,j) = REAL(i+j)
forall (i=1:n, j=1:m, A(i,j).NE.0) &
A(i,j) = 1/A(i,j)
forall (i=1:1000, j=1:1000, i /= j) A(i,j) = A(j,i)
!>>>>>>>>>>>>> Multipe line statements <<<<<<<<<<<<<<
forall (j = 1:n) shared(i) local(x) default(none)
forall (i=1:j) A(i,j) = B(i)
end forall
forall (i = 1:N) reduce(*: s)
s = s + a(i)
end forall
FORALL(i = 3:N + 1, j = 3:N + 1)
C(i, j) = C(i, j + 2) + C(i, j - 2)
D(i, j) = C(i, j) + C(i + 2, j) + C(i - 2, j)
end FORALL
forall (x=1:100, J(x)>0)
where (I(x,:)<0)
I(x,:)=0
elsewhere
I(x,:)=1
end where
end forall
outer: forall (i=1:100)
inner: forall (j=1:100, i.NE.j)
A(i,j) = A(j,i)
end forall inner
end forall outer
end program
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