BLOCKS: Rewrite 2D neighbor pointers update in refine_block().
This update of 2D neighbor pointers iterates over corners instead of updating each neighbor pointer explicitely. It updates both, edge and corner neighbor pointers at once. Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
This commit is contained in:
parent
75653bf226
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1f7e65b359
336
src/blocks.F90
336
src/blocks.F90
@ -1581,253 +1581,117 @@ module blocks
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end do ! nchildren
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! update edge neighbor pointers of children
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! update neighbor pointers of the parent block
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!
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#if NDIMS == 2
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! child (1,1)
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pchild => pmeta%child(1)%ptr
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! X
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if (associated(pmeta%edges(1,1,1)%ptr)) then
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pneigh => pmeta%edges(1,1,1)%ptr
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if (pneigh%id == pmeta%id) then
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pchild%edges(1,1,1)%ptr => pmeta%child(3)%ptr
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pchild%edges(2,1,1)%ptr => pmeta%child(3)%ptr
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else
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pchild%edges(1,1,1)%ptr => pmeta%edges(1,1,1)%ptr
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pchild%edges(2,1,1)%ptr => pmeta%edges(1,1,1)%ptr
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end if
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end if
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pchild%edges(1,2,1)%ptr => pmeta%child(3)%ptr
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pchild%edges(2,2,1)%ptr => pmeta%child(3)%ptr
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! Y
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if (associated(pmeta%edges(1,1,2)%ptr)) then
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pneigh => pmeta%edges(1,1,2)%ptr
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if (pneigh%id == pmeta%id) then
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pchild%edges(1,1,2)%ptr => pmeta%child(2)%ptr
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pchild%edges(1,2,2)%ptr => pmeta%child(2)%ptr
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else
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pchild%edges(1,1,2)%ptr => pmeta%edges(1,1,2)%ptr
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pchild%edges(1,2,2)%ptr => pmeta%edges(1,1,2)%ptr
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end if
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end if
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pchild%edges(2,1,2)%ptr => pmeta%child(2)%ptr
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pchild%edges(2,2,2)%ptr => pmeta%child(2)%ptr
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do jp = 1, nsides
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jr = 3 - jp
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do ip = 1, nsides
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ir = 3 - ip
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! child (2,1)
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pchild => pmeta%child(2)%ptr
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! X
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if (associated(pmeta%edges(2,1,1)%ptr)) then
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pneigh => pmeta%edges(2,1,1)%ptr
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if (pneigh%id == pmeta%id) then
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pchild%edges(1,1,1)%ptr => pmeta%child(4)%ptr
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pchild%edges(2,1,1)%ptr => pmeta%child(4)%ptr
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else
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pchild%edges(1,1,1)%ptr => pmeta%edges(2,1,1)%ptr
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pchild%edges(2,1,1)%ptr => pmeta%edges(2,1,1)%ptr
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end if
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end if
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pchild%edges(1,2,1)%ptr => pmeta%child(4)%ptr
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pchild%edges(2,2,1)%ptr => pmeta%child(4)%ptr
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! Y
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pchild%edges(1,1,2)%ptr => pmeta%child(1)%ptr
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pchild%edges(1,2,2)%ptr => pmeta%child(1)%ptr
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if (associated(pmeta%edges(2,1,2)%ptr)) then
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pneigh => pmeta%edges(2,1,2)%ptr
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if (pneigh%id == pmeta%id) then
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pchild%edges(2,1,2)%ptr => pmeta%child(1)%ptr
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pchild%edges(2,2,2)%ptr => pmeta%child(1)%ptr
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else
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pchild%edges(2,1,2)%ptr => pmeta%edges(2,1,2)%ptr
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pchild%edges(2,2,2)%ptr => pmeta%edges(2,1,2)%ptr
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end if
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end if
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! child (1,2)
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pchild => pmeta%child(3)%ptr
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! X
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pchild%edges(1,1,1)%ptr => pmeta%child(1)%ptr
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pchild%edges(2,1,1)%ptr => pmeta%child(1)%ptr
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if (associated(pmeta%edges(1,2,1)%ptr)) then
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pneigh => pmeta%edges(1,2,1)%ptr
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if (pneigh%id == pmeta%id) then
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pchild%edges(1,2,1)%ptr => pmeta%child(1)%ptr
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pchild%edges(2,2,1)%ptr => pmeta%child(1)%ptr
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else
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pchild%edges(1,2,1)%ptr => pmeta%edges(1,2,1)%ptr
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pchild%edges(2,2,1)%ptr => pmeta%edges(1,2,1)%ptr
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end if
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end if
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! Y
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if (associated(pmeta%edges(1,2,2)%ptr)) then
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pneigh => pmeta%edges(1,2,2)%ptr
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if (pneigh%id == pmeta%id) then
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pchild%edges(1,1,2)%ptr => pmeta%child(4)%ptr
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pchild%edges(1,2,2)%ptr => pmeta%child(4)%ptr
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else
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pchild%edges(1,1,2)%ptr => pmeta%edges(1,2,2)%ptr
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pchild%edges(1,2,2)%ptr => pmeta%edges(1,2,2)%ptr
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end if
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end if
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pchild%edges(2,1,2)%ptr => pmeta%child(4)%ptr
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pchild%edges(2,2,2)%ptr => pmeta%child(4)%ptr
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! child (2,2)
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pchild => pmeta%child(4)%ptr
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! X
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pchild%edges(1,1,1)%ptr => pmeta%child(2)%ptr
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pchild%edges(2,1,1)%ptr => pmeta%child(2)%ptr
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if (associated(pmeta%edges(2,2,1)%ptr)) then
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pneigh => pmeta%edges(2,2,1)%ptr
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if (pneigh%id == pmeta%id) then
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pchild%edges(1,2,1)%ptr => pmeta%child(2)%ptr
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pchild%edges(2,2,1)%ptr => pmeta%child(2)%ptr
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else
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pchild%edges(1,2,1)%ptr => pmeta%edges(2,2,1)%ptr
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pchild%edges(2,2,1)%ptr => pmeta%edges(2,2,1)%ptr
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end if
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end if
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! Y
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pchild%edges(1,1,2)%ptr => pmeta%child(3)%ptr
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pchild%edges(1,2,2)%ptr => pmeta%child(3)%ptr
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if (associated(pmeta%edges(2,2,2)%ptr)) then
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pneigh => pmeta%edges(2,2,2)%ptr
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if (pneigh%id == pmeta%id) then
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pchild%edges(2,1,2)%ptr => pmeta%child(3)%ptr
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pchild%edges(2,2,2)%ptr => pmeta%child(3)%ptr
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else
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pchild%edges(2,1,2)%ptr => pmeta%edges(2,2,2)%ptr
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pchild%edges(2,2,2)%ptr => pmeta%edges(2,2,2)%ptr
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end if
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end if
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#endif /* NDIMS == 2 */
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! update corner neighbor pointers of children, and corresponding neighbor
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! corners if they lay at larger level
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! calculate the child index
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!
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#if NDIMS == 2
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! child (1,1)
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pchild => pmeta%child(1)%ptr
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p = 2 * (jp - 1) + ip
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if (associated(pmeta%corners(1,1)%ptr)) then
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pneigh => pmeta%corners(1,1)%ptr
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if (pneigh%id == pmeta%id) then
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pchild%corners(1,1)%ptr => pmeta%child(4)%ptr
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else
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pchild%corners(1,1)%ptr => pmeta%corners(1,1)%ptr
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end if
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end if
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if (associated(pmeta%edges(2,1,1)%ptr)) then
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pneigh => pmeta%edges(2,1,1)%ptr
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if (pneigh%id == pmeta%id) then
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pchild%corners(2,1)%ptr => pmeta%child(4)%ptr
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else
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if (pneigh%level > pmeta%level) &
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pchild%corners(2,1)%ptr => pmeta%edges(2,1,1)%ptr
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end if
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endif
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if (associated(pmeta%edges(1,2,2)%ptr)) then
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pneigh => pmeta%edges(1,2,2)%ptr
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if (pneigh%id == pmeta%id) then
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pchild%corners(1,2)%ptr => pmeta%child(4)%ptr
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else
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if (pneigh%level > pmeta%level) &
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pchild%corners(1,2)%ptr => pmeta%edges(1,2,2)%ptr
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end if
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end if
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pchild%corners(2,2)%ptr => pmeta%child(4)%ptr
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! associate pchild with the proper child
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!
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pchild => pmeta%child(p)%ptr
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! child (2,1)
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pchild => pmeta%child(2)%ptr
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!--- update edge neighbor pointers ---
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!
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! update external edges
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!
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! along X-direction
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!
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pneigh => pmeta%edges(ip,jp,1)%ptr
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if (associated(pneigh)) then
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if (pneigh%id == pmeta%id) then
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q = 2 * (jr - 1) + ip
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pchild%edges(ip,jp,1)%ptr => pmeta%child(q)%ptr
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pchild%edges(ir,jp,1)%ptr => pmeta%child(q)%ptr
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else
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pchild%edges(ip,jp,1)%ptr => pneigh
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pchild%edges(ir,jp,1)%ptr => pneigh
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end if
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end if ! pneigh associated
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if (associated(pmeta%edges(1,1,1)%ptr)) then
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pneigh => pmeta%edges(1,1,1)%ptr
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if (pneigh%id == pmeta%id) then
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pchild%corners(1,1)%ptr => pmeta%child(3)%ptr
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else
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if (pneigh%level > pmeta%level) &
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pchild%corners(1,1)%ptr => pmeta%edges(1,1,1)%ptr
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end if
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end if
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if (associated(pmeta%corners(2,1)%ptr)) then
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pneigh => pmeta%corners(2,1)%ptr
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if (pneigh%id == pmeta%id) then
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pchild%corners(2,1)%ptr => pmeta%child(3)%ptr
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else
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pchild%corners(2,1)%ptr => pmeta%corners(2,1)%ptr
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end if
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end if
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pchild%corners(1,2)%ptr => pmeta%child(3)%ptr
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if (associated(pmeta%edges(2,2,2)%ptr)) then
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pneigh => pmeta%edges(2,2,2)%ptr
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if (pneigh%id == pmeta%id) then
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pchild%corners(2,2)%ptr => pmeta%child(3)%ptr
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else
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if (pneigh%level > pmeta%level) &
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pchild%corners(2,2)%ptr => pmeta%edges(2,2,2)%ptr
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end if
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end if
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! along Y-direction
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!
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pneigh => pmeta%edges(ip,jp,2)%ptr
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if (associated(pneigh)) then
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if (pneigh%id == pmeta%id) then
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q = 2 * (jp - 1) + ir
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pchild%edges(ip,jp,2)%ptr => pmeta%child(q)%ptr
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pchild%edges(ip,jr,2)%ptr => pmeta%child(q)%ptr
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else
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pchild%edges(ip,jp,2)%ptr => pneigh
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pchild%edges(ip,jr,2)%ptr => pneigh
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end if
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end if ! pneigh associated
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! child (1,2)
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pchild => pmeta%child(3)%ptr
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! update internal edges
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!
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! along X-direction
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!
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q = 2 * (jr - 1) + ip
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pchild%edges(ip,jr,1)%ptr => pmeta%child(q)%ptr
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pchild%edges(ir,jr,1)%ptr => pmeta%child(q)%ptr
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if (associated(pmeta%edges(1,1,2)%ptr)) then
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pneigh => pmeta%edges(1,1,2)%ptr
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if (pneigh%id == pmeta%id) then
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pchild%corners(1,1)%ptr => pmeta%child(2)%ptr
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else
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if (pneigh%level > pmeta%level) &
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pchild%corners(1,1)%ptr => pmeta%edges(1,1,2)%ptr
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end if
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end if
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pchild%corners(2,1)%ptr => pmeta%child(2)%ptr
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if (associated(pmeta%corners(1,2)%ptr)) then
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pneigh => pmeta%corners(1,2)%ptr
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if (pneigh%id == pmeta%id) then
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pchild%corners(1,2)%ptr => pmeta%child(2)%ptr
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else
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pchild%corners(1,2)%ptr => pmeta%corners(1,2)%ptr
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end if
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end if
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if (associated(pmeta%edges(2,2,1)%ptr)) then
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pneigh => pmeta%edges(2,2,1)%ptr
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if (pneigh%id == pmeta%id) then
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pchild%corners(2,2)%ptr => pmeta%child(2)%ptr
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else
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if (pneigh%level > pmeta%level) &
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pchild%corners(2,2)%ptr => pmeta%edges(2,2,1)%ptr
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end if
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end if
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! along Y-direction
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!
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q = 2 * (jp - 1) + ir
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pchild%edges(ir,jp,2)%ptr => pmeta%child(q)%ptr
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pchild%edges(ir,jr,2)%ptr => pmeta%child(q)%ptr
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! child (2,2)
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pchild => pmeta%child(4)%ptr
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!--- update corner neighbor pointers ---
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!
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! calculate the index of opposite child
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!
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q = 2 * (jr - 1) + ir
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pchild%corners(1,1)%ptr => pmeta%child(1)%ptr
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if (associated(pmeta%edges(2,1,2)%ptr)) then
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pneigh => pmeta%edges(2,1,2)%ptr
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if (pneigh%id == pmeta%id) then
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pchild%corners(2,1)%ptr => pmeta%child(1)%ptr
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else
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if (pneigh%level > pmeta%level) &
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pchild%corners(2,1)%ptr => pmeta%edges(2,1,2)%ptr
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end if
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end if
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if (associated(pmeta%edges(1,2,1)%ptr)) then
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pneigh => pmeta%edges(1,2,1)%ptr
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if (pneigh%id == pmeta%id) then
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pchild%corners(1,2)%ptr => pmeta%child(1)%ptr
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else
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if (pneigh%level > pmeta%level) &
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pchild%corners(1,2)%ptr => pmeta%edges(1,2,1)%ptr
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end if
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end if
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if (associated(pmeta%corners(2,2)%ptr)) then
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pneigh => pmeta%corners(2,2)%ptr
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if (pneigh%id == pmeta%id) then
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pchild%corners(2,2)%ptr => pmeta%child(1)%ptr
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else
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pchild%corners(2,2)%ptr => pmeta%corners(2,2)%ptr
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end if
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end if
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! update corner located at the parent's one
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!
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pneigh => pmeta%corners(ip,jp)%ptr
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if (associated(pneigh)) then
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if (pneigh%id == pmeta%id) then
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pchild%corners(ip,jp)%ptr => pmeta%child(q)%ptr
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else
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pchild%corners(ip,jp)%ptr => pneigh
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end if
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end if ! pneigh associated
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! update corner touching another child
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!
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pchild%corners(ir,jr)%ptr => pmeta%child(q)%ptr
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! update corners laying on parent's edges
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!
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! along X-direction
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!
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pneigh => pmeta%edges(ir,jp,1)%ptr
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if (associated(pneigh)) then
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if (pneigh%id == pmeta%id) then
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pchild%corners(ir,jp)%ptr => pmeta%child(q)%ptr
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else
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if (pneigh%level > pmeta%level) &
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pchild%corners(ir,jp)%ptr => pneigh
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end if
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end if ! pneigh associated
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! along Y-direction
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!
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pneigh => pmeta%edges(ip,jr,2)%ptr
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if (associated(pneigh)) then
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if (pneigh%id == pmeta%id) then
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pchild%corners(ip,jr)%ptr => pmeta%child(q)%ptr
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else
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if (pneigh%level > pmeta%level) &
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pchild%corners(ip,jr)%ptr => pneigh
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end if
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end if ! pneigh associated
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end do ! ip = 1, nsides
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end do ! jp = 1, nsides
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#endif /* NDIMS == 2 */
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! update neighbor's edge pointers
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