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+! $Header$
+
+#include "cctk.h"
+#include "cctk_Parameters.h"
+
+subroutine dissipation_8_4_alt (var, ni, nj, nk, bb, gsize, delta, epsilon, rhs)
+
+ implicit none
+
+ DECLARE_CCTK_PARAMETERS
+
+ integer :: ni, nj, nk
+ CCTK_REAL, dimension(ni,nj,nk), intent(in) :: var
+ CCTK_REAL, dimension(ni,nj,nk), intent(inout) :: rhs
+ CCTK_INT, dimension(6), intent(in) :: bb
+ CCTK_INT, dimension(3), intent(in) :: gsize
+ CCTK_REAL, dimension(3), intent(in) :: delta
+ CCTK_REAL, intent(in) :: epsilon
+
+ CCTK_REAL :: zero = 0.0
+ integer, parameter :: wp = kind(zero)
+ CCTK_REAL, dimension(13,8) :: a
+ CCTK_REAL :: idel
+
+ CCTK_INT :: il, ir, jl, jr, kl, kr
+
+ call set_coeff ( a )
+
+ idel = epsilon / ( 1024 * delta(1) )
+
+ if ( bb(1) == 0 ) then
+ il = 1 + gsize(1)
+ else
+ rhs(1,:,:) = rhs(1,:,:) + &
+ ( a(1,1) * var(1,:,:) + a(2,1) * var(2,:,:) + &
+ a(3,1) * var(3,:,:) + a(4,1) * var(4,:,:) + &
+ a(5,1) * var(5,:,:) + a(6,1) * var(6,:,:) ) * idel
+ rhs(2,:,:) = rhs(2,:,:) + &
+ ( a(1,2) * var(1,:,:) + a(2,2) * var(2,:,:) + &
+ a(3,2) * var(3,:,:) + a(4,2) * var(4,:,:) + &
+ a(5,2) * var(5,:,:) + a(6,2) * var(6,:,:) + &
+ a(7,2) * var(7,:,:) ) * idel
+ rhs(3,:,:) = rhs(3,:,:) + &
+ ( a(1,3) * var(1,:,:) + a(2,3) * var(2,:,:) + &
+ a(3,3) * var(3,:,:) + a(4,3) * var(4,:,:) + &
+ a(5,3) * var(5,:,:) + a(6,3) * var(6,:,:) + &
+ a(7,3) * var(7,:,:) + a(8,3) * var(8,:,:) ) * idel
+ rhs(4,:,:) = rhs(4,:,:) + &
+ ( a(1,4) * var(1,:,:) + a(2,4) * var(2,:,:) + &
+ a(3,4) * var(3,:,:) + a(4,4) * var(4,:,:) + &
+ a(5,4) * var(5,:,:) + a(6,4) * var(6,:,:) + &
+ a(7,4) * var(7,:,:) + a(8,4) * var(8,:,:) + &
+ a(9,4) * var(9,:,:) ) * idel
+ rhs(5,:,:) = rhs(5,:,:) + &
+ ( a(1,5) * var(1,:,:) + a(2,5) * var(2,:,:) + &
+ a(3,5) * var(3,:,:) + a(4,5) * var(4,:,:) + &
+ a(5,5) * var(5,:,:) + a(6,5) * var(6,:,:) + &
+ a(7,5) * var(7,:,:) + a(8,5) * var(8,:,:) + &
+ a(9,5) * var(9,:,:) + a(10,5) * var(10,:,:) ) * idel
+ rhs(6,:,:) = rhs(6,:,:) + &
+ ( a(1,6) * var(1,:,:) + a(2,6) * var(2,:,:) + &
+ a(3,6) * var(3,:,:) + a(4,6) * var(4,:,:) + &
+ a(5,6) * var(5,:,:) + a(6,6) * var(6,:,:) + &
+ a(7,6) * var(7,:,:) + a(8,6) * var(8,:,:) + &
+ a(9,6) * var(9,:,:) + a(10,6) * var(10,:,:) + &
+ a(11,6) * var(11,:,:) ) * idel
+ rhs(7,:,:) = rhs(7,:,:) + &
+ ( a(2,7) * var(2,:,:) + a(3,7) * var(3,:,:) + &
+ a(4,7) * var(4,:,:) + a(5,7) * var(5,:,:) + &
+ a(6,7) * var(6,:,:) + a(7,7) * var(7,:,:) + &
+ a(8,7) * var(8,:,:) + a(9,7) * var(9,:,:) + &
+ a(10,7) * var(10,:,:) + a(11,7) * var(11,:,:) + &
+ a(12,7) * var(12,:,:) ) * idel
+ rhs(8,:,:) = rhs(8,:,:) + &
+ ( a(3,8) * var(3,:,:) + a(4,8) * var(4,:,:) + &
+ a(5,8) * var(5,:,:) + a(6,8) * var(6,:,:) + &
+ a(7,8) * var(7,:,:) + a(8,8) * var(8,:,:) + &
+ a(9,8) * var(9,:,:) + a(10,8) * var(10,:,:) + &
+ a(11,8) * var(11,:,:) + a(12,8) * var(12,:,:) + &
+ a(13,8) * var(13,:,:) ) * idel
+
+ il = 9
+ end if
+ if ( bb(2) == 0 ) then
+ ir = ni - gsize(1)
+ else
+ rhs(ni-7,:,:) = rhs(ni-7,:,:) + &
+ ( a(3,8) * var(ni-2,:,:) + a(4,8) * var(ni-3,:,:) + &
+ a(5,8) * var(ni-4,:,:) + a(6,8) * var(ni-5,:,:) + &
+ a(7,8) * var(ni-6,:,:) + a(8,8) * var(ni-7,:,:) + &
+ a(9,8) * var(ni-8,:,:) + a(10,8) * var(ni-9,:,:) + &
+ a(11,8) * var(ni-10,:,:) + a(12,8) * var(ni-11,:,:) + &
+ a(13,8) * var(ni-12,:,:) ) * idel
+ rhs(ni-6,:,:) = rhs(ni-6,:,:) + &
+ ( a(2,7) * var(ni-1,:,:) + a(3,7) * var(ni-2,:,:) + &
+ a(4,7) * var(ni-3,:,:) + a(5,7) * var(ni-4,:,:) + &
+ a(6,7) * var(ni-5,:,:) + a(7,7) * var(ni-6,:,:) + &
+ a(8,7) * var(ni-7,:,:) + a(9,7) * var(ni-8,:,:) + &
+ a(10,7) * var(ni-9,:,:) + a(11,7) * var(ni-10,:,:) + &
+ a(12,7) * var(ni-11,:,:) ) * idel
+ rhs(ni-5,:,:) = rhs(ni-5,:,:) + &
+ ( a(1,6) * var(ni,:,:) + a(2,6) * var(ni-1,:,:) + &
+ a(3,6) * var(ni-2,:,:) + a(4,6) * var(ni-3,:,:) + &
+ a(5,6) * var(ni-4,:,:) + a(6,6) * var(ni-5,:,:) + &
+ a(7,6) * var(ni-6,:,:) + a(8,6) * var(ni-7,:,:) + &
+ a(9,6) * var(ni-8,:,:) + a(10,6) * var(ni-9,:,:) + &
+ a(11,6) * var(ni-10,:,:) ) * idel
+ rhs(ni-4,:,:) = rhs(ni-4,:,:) + &
+ ( a(1,5) * var(ni,:,:) + a(2,5) * var(ni-1,:,:) + &
+ a(3,5) * var(ni-2,:,:) + a(4,5) * var(ni-3,:,:) + &
+ a(5,5) * var(ni-4,:,:) + a(6,5) * var(ni-5,:,:) + &
+ a(7,5) * var(ni-6,:,:) + a(8,5) * var(ni-7,:,:) + &
+ a(9,5) * var(ni-8,:,:) + a(10,5) * var(ni-9,:,:) ) * idel
+ rhs(ni-3,:,:) = rhs(ni-3,:,:) + &
+ ( a(1,4) * var(ni,:,:) + a(2,4) * var(ni-1,:,:) + &
+ a(3,4) * var(ni-2,:,:) + a(4,4) * var(ni-3,:,:) + &
+ a(5,4) * var(ni-4,:,:) + a(6,4) * var(ni-5,:,:) + &
+ a(7,4) * var(ni-6,:,:) + a(8,4) * var(ni-7,:,:) + &
+ a(9,4) * var(ni-8,:,:) ) * idel
+ rhs(ni-2,:,:) = rhs(ni-2,:,:) + &
+ ( a(1,3) * var(ni,:,:) + a(2,3) * var(ni-1,:,:) + &
+ a(3,3) * var(ni-2,:,:) + a(4,3) * var(ni-3,:,:) + &
+ a(5,3) * var(ni-4,:,:) + a(6,3) * var(ni-5,:,:) + &
+ a(7,3) * var(ni-6,:,:) + a(8,3) * var(ni-7,:,:) ) * idel
+ rhs(ni-1,:,:) = rhs(ni-1,:,:) + &
+ ( a(1,2) * var(ni,:,:) + a(2,2) * var(ni-1,:,:) + &
+ a(3,2) * var(ni-2,:,:) + a(4,2) * var(ni-3,:,:) + &
+ a(5,2) * var(ni-4,:,:) + a(6,2) * var(ni-5,:,:) + &
+ a(7,2) * var(ni-6,:,:) ) * idel
+ rhs(ni,:,:) = rhs(ni,:,:) + &
+ ( a(1,1) * var(ni,:,:) + a(2,1) * var(ni-1,:,:) + &
+ a(3,1) * var(ni-2,:,:) + a(4,1) * var(ni-3,:,:) + &
+ a(5,1) * var(ni-4,:,:) + a(6,1) * var(ni-5,:,:) ) * idel
+
+ ir = ni - 8
+ end if
+ rhs(il:ir,:,:) = rhs(il:ir,:,:) + &
+ ( -252.0_wp * var(il:ir,:,:) + &
+ 210.0_wp * ( var(il-1:ir-1,:,:) + &
+ var(il+1:ir+1,:,:) ) - &
+ 120.0_wp * ( var(il-2:ir-2,:,:) + &
+ var(il+2:ir+2,:,:) ) + &
+ 45.0_wp * ( var(il-3:ir-3,:,:) + &
+ var(il+3:ir+3,:,:) ) - &
+ 10.0_wp * ( var(il-4:ir-4,:,:) + &
+ var(il+4:ir+4,:,:) ) + &
+ ( var(il-5:ir-5,:,:) + &
+ var(il+5:ir+5,:,:) ) ) * idel
+
+ call set_coeff ( a )
+
+ idel = epsilon / ( 1024 * delta(2) )
+
+ if ( bb(3) == 0 ) then
+ jl = 1 + gsize(2)
+ else
+ rhs(:,1,:) = rhs(:,1,:) + &
+ ( a(1,1) * var(:,1,:) + a(2,1) * var(:,2,:) + &
+ a(3,1) * var(:,3,:) + a(4,1) * var(:,4,:) + &
+ a(5,1) * var(:,5,:) + a(6,1) * var(:,6,:) ) * idel
+ rhs(:,2,:) = rhs(:,2,:) + &
+ ( a(1,2) * var(:,1,:) + a(2,2) * var(:,2,:) + &
+ a(3,2) * var(:,3,:) + a(4,2) * var(:,4,:) + &
+ a(5,2) * var(:,5,:) + a(6,2) * var(:,6,:) + &
+ a(7,2) * var(:,7,:) ) * idel
+ rhs(:,3,:) = rhs(:,3,:) + &
+ ( a(1,3) * var(:,1,:) + a(2,3) * var(:,2,:) + &
+ a(3,3) * var(:,3,:) + a(4,3) * var(:,4,:) + &
+ a(5,3) * var(:,5,:) + a(6,3) * var(:,6,:) + &
+ a(7,3) * var(:,7,:) + a(8,3) * var(:,8,:) ) * idel
+ rhs(:,4,:) = rhs(:,4,:) + &
+ ( a(1,4) * var(:,1,:) + a(2,4) * var(:,2,:) + &
+ a(3,4) * var(:,3,:) + a(4,4) * var(:,4,:) + &
+ a(5,4) * var(:,5,:) + a(6,4) * var(:,6,:) + &
+ a(7,4) * var(:,7,:) + a(8,4) * var(:,8,:) + &
+ a(9,4) * var(:,9,:) ) * idel
+ rhs(:,5,:) = rhs(:,5,:) + &
+ ( a(1,5) * var(:,1,:) + a(2,5) * var(:,2,:) + &
+ a(3,5) * var(:,3,:) + a(4,5) * var(:,4,:) + &
+ a(5,5) * var(:,5,:) + a(6,5) * var(:,6,:) + &
+ a(7,5) * var(:,7,:) + a(8,5) * var(:,8,:) + &
+ a(9,5) * var(:,9,:) + a(10,5) * var(:,10,:) ) * idel
+ rhs(:,6,:) = rhs(:,6,:) + &
+ ( a(1,6) * var(:,1,:) + a(2,6) * var(:,2,:) + &
+ a(3,6) * var(:,3,:) + a(4,6) * var(:,4,:) + &
+ a(5,6) * var(:,5,:) + a(6,6) * var(:,6,:) + &
+ a(7,6) * var(:,7,:) + a(8,6) * var(:,8,:) + &
+ a(9,6) * var(:,9,:) + a(10,6) * var(:,10,:) + &
+ a(11,6) * var(:,11,:) ) * idel
+ rhs(:,7,:) = rhs(:,7,:) + &
+ ( a(2,7) * var(:,2,:) + a(3,7) * var(:,3,:) + &
+ a(4,7) * var(:,4,:) + a(5,7) * var(:,5,:) + &
+ a(6,7) * var(:,6,:) + a(7,7) * var(:,7,:) + &
+ a(8,7) * var(:,8,:) + a(9,7) * var(:,9,:) + &
+ a(10,7) * var(:,10,:) + a(11,7) * var(:,11,:) + &
+ a(12,7) * var(:,12,:) ) * idel
+ rhs(:,8,:) = rhs(:,8,:) + &
+ ( a(3,8) * var(:,3,:) + a(4,8) * var(:,4,:) + &
+ a(5,8) * var(:,5,:) + a(6,8) * var(:,6,:) + &
+ a(7,8) * var(:,7,:) + a(8,8) * var(:,8,:) + &
+ a(9,8) * var(:,9,:) + a(10,8) * var(:,10,:) + &
+ a(11,8) * var(:,11,:) + a(12,8) * var(:,12,:) + &
+ a(13,8) * var(:,13,:) ) * idel
+
+ jl = 9
+ end if
+ if ( bb(4) == 0 ) then
+ jr = nj - gsize(2)
+ else
+ rhs(:,nj-7,:) = rhs(:,nj-7,:) + &
+ ( a(3,8) * var(:,nj-2,:) + a(4,8) * var(:,nj-3,:) + &
+ a(5,8) * var(:,nj-4,:) + a(6,8) * var(:,nj-5,:) + &
+ a(7,8) * var(:,nj-6,:) + a(8,8) * var(:,nj-7,:) + &
+ a(9,8) * var(:,nj-8,:) + a(10,8) * var(:,nj-9,:) + &
+ a(11,8) * var(:,nj-10,:) + a(12,8) * var(:,nj-11,:) + &
+ a(13,8) * var(:,nj-12,:) ) * idel
+ rhs(:,nj-6,:) = rhs(:,nj-6,:) + &
+ ( a(2,7) * var(:,nj-1,:) + a(3,7) * var(:,nj-2,:) + &
+ a(4,7) * var(:,nj-3,:) + a(5,7) * var(:,nj-4,:) + &
+ a(6,7) * var(:,nj-5,:) + a(7,7) * var(:,nj-6,:) + &
+ a(8,7) * var(:,nj-7,:) + a(9,7) * var(:,nj-8,:) + &
+ a(10,7) * var(:,nj-9,:) + a(11,7) * var(:,nj-10,:) + &
+ a(12,7) * var(:,nj-11,:) ) * idel
+ rhs(:,nj-5,:) = rhs(:,nj-5,:) + &
+ ( a(1,6) * var(:,nj,:) + a(2,6) * var(:,nj-1,:) + &
+ a(3,6) * var(:,nj-2,:) + a(4,6) * var(:,nj-3,:) + &
+ a(5,6) * var(:,nj-4,:) + a(6,6) * var(:,nj-5,:) + &
+ a(7,6) * var(:,nj-6,:) + a(8,6) * var(:,nj-7,:) + &
+ a(9,6) * var(:,nj-8,:) + a(10,6) * var(:,nj-9,:) + &
+ a(11,6) * var(:,nj-10,:) ) * idel
+ rhs(:,nj-4,:) = rhs(:,nj-4,:) + &
+ ( a(1,5) * var(:,nj,:) + a(2,5) * var(:,nj-1,:) + &
+ a(3,5) * var(:,nj-2,:) + a(4,5) * var(:,nj-3,:) + &
+ a(5,5) * var(:,nj-4,:) + a(6,5) * var(:,nj-5,:) + &
+ a(7,5) * var(:,nj-6,:) + a(8,5) * var(:,nj-7,:) + &
+ a(9,5) * var(:,nj-8,:) + a(10,5) * var(:,nj-9,:) ) * idel
+ rhs(:,nj-3,:) = rhs(:,nj-3,:) + &
+ ( a(1,4) * var(:,nj,:) + a(2,4) * var(:,nj-1,:) + &
+ a(3,4) * var(:,nj-2,:) + a(4,4) * var(:,nj-3,:) + &
+ a(5,4) * var(:,nj-4,:) + a(6,4) * var(:,nj-5,:) + &
+ a(7,4) * var(:,nj-6,:) + a(8,4) * var(:,nj-7,:) + &
+ a(9,4) * var(:,nj-8,:) ) * idel
+ rhs(:,nj-2,:) = rhs(:,nj-2,:) + &
+ ( a(1,3) * var(:,nj,:) + a(2,3) * var(:,nj-1,:) + &
+ a(3,3) * var(:,nj-2,:) + a(4,3) * var(:,nj-3,:) + &
+ a(5,3) * var(:,nj-4,:) + a(6,3) * var(:,nj-5,:) + &
+ a(7,3) * var(:,nj-6,:) + a(8,3) * var(:,nj-7,:) ) * idel
+ rhs(:,nj-1,:) = rhs(:,nj-1,:) + &
+ ( a(1,2) * var(:,nj,:) + a(2,2) * var(:,nj-1,:) + &
+ a(3,2) * var(:,nj-2,:) + a(4,2) * var(:,nj-3,:) + &
+ a(5,2) * var(:,nj-4,:) + a(6,2) * var(:,nj-5,:) + &
+ a(7,2) * var(:,nj-6,:) ) * idel
+ rhs(:,nj,:) = rhs(:,nj,:) + &
+ ( a(1,1) * var(:,nj,:) + a(2,1) * var(:,nj-1,:) + &
+ a(3,1) * var(:,nj-2,:) + a(4,1) * var(:,nj-3,:) + &
+ a(5,1) * var(:,nj-4,:) + a(6,1) * var(:,nj-5,:) ) * idel
+
+ jr = nj - 8
+ end if
+ rhs(:,jl:jr,:) = rhs(:,jl:jr,:) + &
+ ( -252.0_wp * var(:,jl:jr,:) + &
+ 210.0_wp * ( var(:,jl-1:jr-1,:) + &
+ var(:,jl+1:jr+1,:) ) - &
+ 120.0_wp * ( var(:,jl-2:jr-2,:) + &
+ var(:,jl+2:jr+2,:) ) + &
+ 45.0_wp * ( var(:,jl-3:jr-3,:) + &
+ var(:,jl+3:jr+3,:) ) - &
+ 10.0_wp * ( var(:,jl-4:jr-4,:) + &
+ var(:,jl+4:jr+4,:) ) + &
+ ( var(:,jl-5:jr-5,:) + &
+ var(:,jl+5:jr+5,:) ) ) * idel
+
+ call set_coeff ( a )
+
+ idel = epsilon / ( 1024 * delta(3) )
+
+ if ( bb(5) == 0 ) then
+ kl = 1 + gsize(3)
+ else
+ rhs(:,:,1) = rhs(:,:,1) + &
+ ( a(1,1) * var(:,:,1) + a(2,1) * var(:,:,2) + &
+ a(3,1) * var(:,:,3) + a(4,1) * var(:,:,4) + &
+ a(5,1) * var(:,:,5) + a(6,1) * var(:,:,6) ) * idel
+ rhs(:,:,2) = rhs(:,:,2) + &
+ ( a(1,2) * var(:,:,1) + a(2,2) * var(:,:,2) + &
+ a(3,2) * var(:,:,3) + a(4,2) * var(:,:,4) + &
+ a(5,2) * var(:,:,5) + a(6,2) * var(:,:,6) + &
+ a(7,2) * var(:,:,7) ) * idel
+ rhs(:,:,3) = rhs(:,:,3) + &
+ ( a(1,3) * var(:,:,1) + a(2,3) * var(:,:,2) + &
+ a(3,3) * var(:,:,3) + a(4,3) * var(:,:,4) + &
+ a(5,3) * var(:,:,5) + a(6,3) * var(:,:,6) + &
+ a(7,3) * var(:,:,7) + a(8,3) * var(:,:,8) ) * idel
+ rhs(:,:,4) = rhs(:,:,4) + &
+ ( a(1,4) * var(:,:,1) + a(2,4) * var(:,:,2) + &
+ a(3,4) * var(:,:,3) + a(4,4) * var(:,:,4) + &
+ a(5,4) * var(:,:,5) + a(6,4) * var(:,:,6) + &
+ a(7,4) * var(:,:,7) + a(8,4) * var(:,:,8) + &
+ a(9,4) * var(:,:,9) ) * idel
+ rhs(:,:,5) = rhs(:,:,5) + &
+ ( a(1,5) * var(:,:,1) + a(2,5) * var(:,:,2) + &
+ a(3,5) * var(:,:,3) + a(4,5) * var(:,:,4) + &
+ a(5,5) * var(:,:,5) + a(6,5) * var(:,:,6) + &
+ a(7,5) * var(:,:,7) + a(8,5) * var(:,:,8) + &
+ a(9,5) * var(:,:,9) + a(10,5) * var(:,:,10) ) * idel
+ rhs(:,:,6) = rhs(:,:,6) + &
+ ( a(1,6) * var(:,:,1) + a(2,6) * var(:,:,2) + &
+ a(3,6) * var(:,:,3) + a(4,6) * var(:,:,4) + &
+ a(5,6) * var(:,:,5) + a(6,6) * var(:,:,6) + &
+ a(7,6) * var(:,:,7) + a(8,6) * var(:,:,8) + &
+ a(9,6) * var(:,:,9) + a(10,6) * var(:,:,10) + &
+ a(11,6) * var(:,:,11) ) * idel
+ rhs(:,:,7) = rhs(:,:,7) + &
+ ( a(2,7) * var(:,:,2) + a(3,7) * var(:,:,3) + &
+ a(4,7) * var(:,:,4) + a(5,7) * var(:,:,5) + &
+ a(6,7) * var(:,:,6) + a(7,7) * var(:,:,7) + &
+ a(8,7) * var(:,:,8) + a(9,7) * var(:,:,9) + &
+ a(10,7) * var(:,:,10) + a(11,7) * var(:,:,11) + &
+ a(12,7) * var(:,:,12) ) * idel
+ rhs(:,:,8) = rhs(:,:,8) + &
+ ( a(3,8) * var(:,:,3) + a(4,8) * var(:,:,4) + &
+ a(5,8) * var(:,:,5) + a(6,8) * var(:,:,6) + &
+ a(7,8) * var(:,:,7) + a(8,8) * var(:,:,8) + &
+ a(9,8) * var(:,:,9) + a(10,8) * var(:,:,10) + &
+ a(11,8) * var(:,:,11) + a(12,8) * var(:,:,12) + &
+ a(13,8) * var(:,:,13) ) * idel
+
+ kl = 9
+ end if
+ if ( bb(6) == 0 ) then
+ kr = nk - gsize(3)
+ else
+ rhs(:,:,nk-7) = rhs(:,:,nk-7) + &
+ ( a(3,8) * var(:,:,nk-2) + a(4,8) * var(:,:,nk-3) + &
+ a(5,8) * var(:,:,nk-4) + a(6,8) * var(:,:,nk-5) + &
+ a(7,8) * var(:,:,nk-6) + a(8,8) * var(:,:,nk-7) + &
+ a(9,8) * var(:,:,nk-8) + a(10,8) * var(:,:,nk-9) + &
+ a(11,8) * var(:,:,nk-10) + a(12,8) * var(:,:,nk-11) + &
+ a(13,8) * var(:,:,nk-12) ) * idel
+ rhs(:,:,nk-6) = rhs(:,:,nk-6) + &
+ ( a(2,7) * var(:,:,nk-1) + a(3,7) * var(:,:,nk-2) + &
+ a(4,7) * var(:,:,nk-3) + a(5,7) * var(:,:,nk-4) + &
+ a(6,7) * var(:,:,nk-5) + a(7,7) * var(:,:,nk-6) + &
+ a(8,7) * var(:,:,nk-7) + a(9,7) * var(:,:,nk-8) + &
+ a(10,7) * var(:,:,nk-9) + a(11,7) * var(:,:,nk-10) + &
+ a(12,7) * var(:,:,nk-11) ) * idel
+ rhs(:,:,nk-5) = rhs(:,:,nk-5) + &
+ ( a(1,6) * var(:,:,nk) + a(2,6) * var(:,:,nk-1) + &
+ a(3,6) * var(:,:,nk-2) + a(4,6) * var(:,:,nk-3) + &
+ a(5,6) * var(:,:,nk-4) + a(6,6) * var(:,:,nk-5) + &
+ a(7,6) * var(:,:,nk-6) + a(8,6) * var(:,:,nk-7) + &
+ a(9,6) * var(:,:,nk-8) + a(10,6) * var(:,:,nk-9) + &
+ a(11,6) * var(:,:,nk-10) ) * idel
+ rhs(:,:,nk-4) = rhs(:,:,nk-4) + &
+ ( a(1,5) * var(:,:,nk) + a(2,5) * var(:,:,nk-1) + &
+ a(3,5) * var(:,:,nk-2) + a(4,5) * var(:,:,nk-3) + &
+ a(5,5) * var(:,:,nk-4) + a(6,5) * var(:,:,nk-5) + &
+ a(7,5) * var(:,:,nk-6) + a(8,5) * var(:,:,nk-7) + &
+ a(9,5) * var(:,:,nk-8) + a(10,5) * var(:,:,nk-9) ) * idel
+ rhs(:,:,nk-3) = rhs(:,:,nk-3) + &
+ ( a(1,4) * var(:,:,nk) + a(2,4) * var(:,:,nk-1) + &
+ a(3,4) * var(:,:,nk-2) + a(4,4) * var(:,:,nk-3) + &
+ a(5,4) * var(:,:,nk-4) + a(6,4) * var(:,:,nk-5) + &
+ a(7,4) * var(:,:,nk-6) + a(8,4) * var(:,:,nk-7) + &
+ a(9,4) * var(:,:,nk-8) ) * idel
+ rhs(:,:,nk-2) = rhs(:,:,nk-2) + &
+ ( a(1,3) * var(:,:,nk) + a(2,3) * var(:,:,nk-1) + &
+ a(3,3) * var(:,:,nk-2) + a(4,3) * var(:,:,nk-3) + &
+ a(5,3) * var(:,:,nk-4) + a(6,3) * var(:,:,nk-5) + &
+ a(7,3) * var(:,:,nk-6) + a(8,3) * var(:,:,nk-7) ) * idel
+ rhs(:,:,nk-1) = rhs(:,:,nk-1) + &
+ ( a(1,2) * var(:,:,nk) + a(2,2) * var(:,:,nk-1) + &
+ a(3,2) * var(:,:,nk-2) + a(4,2) * var(:,:,nk-3) + &
+ a(5,2) * var(:,:,nk-4) + a(6,2) * var(:,:,nk-5) + &
+ a(7,2) * var(:,:,nk-6) ) * idel
+ rhs(:,:,nk) = rhs(:,:,nk) + &
+ ( a(1,1) * var(:,:,nk) + a(2,1) * var(:,:,nk-1) + &
+ a(3,1) * var(:,:,nk-2) + a(4,1) * var(:,:,nk-3) + &
+ a(5,1) * var(:,:,nk-4) + a(6,1) * var(:,:,nk-5) ) * idel
+
+ kr = nk - 8
+ end if
+ rhs(:,:,kl:kr) = rhs(:,:,kl:kr) + &
+ ( -252.0_wp * var(:,:,kl:kr) + &
+ 210.0_wp * ( var(:,:,kl-1:kr-1) + &
+ var(:,:,kl+1:kr+1) ) - &
+ 120.0_wp * ( var(:,:,kl-2:kr-2) + &
+ var(:,:,kl+2:kr+2) ) + &
+ 45.0_wp * ( var(:,:,kl-3:kr-3) + &
+ var(:,:,kl+3:kr+3) ) - &
+ 10.0_wp * ( var(:,:,kl-4:kr-4) + &
+ var(:,:,kl+4:kr+4) ) + &
+ ( var(:,:,kl-5:kr-5) + &
+ var(:,:,kl+5:kr+5) ) ) * idel
+
+contains
+
+ subroutine set_coeff ( a )
+
+ implicit none
+
+ CCTK_REAL, dimension(13,8), intent(OUT) :: a
+ CCTK_REAL :: zero = 0.0
+ integer, parameter :: wp = kind(zero)
+
+ a(1,1) = -3.3910872088637970174997113084967416241083103770745_wp
+ a(2,1) = 16.955436044318985087498556542483708120541551885372_wp
+ a(3,1) = -33.910872088637970174997113084967416241083103770745_wp
+ a(4,1) = 33.910872088637970174997113084967416241083103770745_wp
+ a(5,1) = -16.955436044318985087498556542483708120541551885372_wp
+ a(6,1) = 3.3910872088637970174997113084967416241083103770745_wp
+ a(7,1) = 0.0_wp
+ a(8,1) = 0.0_wp
+ a(9,1) = 0.0_wp
+ a(10,1) = 0.0_wp
+ a(11,1) = 0.0_wp
+ a(12,1) = 0.0_wp
+ a(13,1) = 0.0_wp
+ a(1,2) = 3.2771399440263630592058029074141137010783820566473_wp
+ a(2,2) = -17.041127708937087907870175118553391245607586694566_wp
+ a(3,2) = 36.048539384289993651263831981555250711862202623121_wp
+ a(4,2) = -39.325679328316356710469634888969364412940584679768_wp
+ a(5,2) = 22.939979608184541414440620351898795907548674396531_wp
+ a(6,2) = -6.5542798880527261184116058148282274021567641132947_wp
+ a(7,2) = 0.65542798880527261184116058148282274021567641132947_wp
+ a(8,2) = 0.0_wp
+ a(9,2) = 0.0_wp
+ a(10,2) = 0.0_wp
+ a(11,2) = 0.0_wp
+ a(12,2) = 0.0_wp
+ a(13,2) = 0.0_wp
+ a(1,3) = -38.842059631038967294446317614758441308222147295410_wp
+ a(2,3) = 213.63132797071432011945474688117142719522181012475_wp
+ a(3,3) = -489.40995135109098791002360194595636048359905592216_wp
+ a(4,3) = 602.05192428110399306391792302875584027744328307885_wp
+ a(5,3) = -427.26265594142864023890949376234285439044362024951_wp
+ a(6,3) = 174.78926833967535282500842926641298588699966282934_wp
+ a(7,3) = -38.842059631038967294446317614758441308222147295410_wp
+ a(8,3) = 3.8842059631038967294446317614758441308222147295410_wp
+ a(9,3) = 0.0_wp
+ a(10,3) = 0.0_wp
+ a(11,3) = 0.0_wp
+ a(12,3) = 0.0_wp
+ a(13,3) = 0.0_wp
+ a(1,4) = 5.5613835719414344378807953109542612676331552744485_wp
+ a(2,4) = -33.368301431648606627284771865725567605798931646691_wp
+ a(3,4) = 86.201445365092233787152327319791049648313906753952_wp
+ a(4,4) = -125.68726872587641829610597402756630464850930920254_wp
+ a(5,4) = 114.00836322479940597655630387456235598647968312619_wp
+ a(6,4) = -66.736602863297213254569543731451135211597863293382_wp
+ a(7,4) = 25.026226073736454970463578899294175704349198735018_wp
+ a(8,4) = -5.5613835719414344378807953109542612676331552744485_wp
+ a(9,4) = 0.55613835719414344378807953109542612676331552744485_wp
+ a(10,4) = 0.0_wp
+ a(11,4) = 0.0_wp
+ a(12,4) = 0.0_wp
+ a(13,4) = 0.0_wp
+ a(1,5) = -12.115101476661536355654081268132755978592914829047_wp
+ a(2,5) = 84.805710336630754489578568876929291850150403803330_wp
+ a(3,5) = -266.53223248655379982438978789892063152904412623904_wp
+ a(4,5) = 496.71916054312299058181733199344299512230950799093_wp
+ a(5,5) = -608.17809412840912505383487966026435012536432441817_wp
+ a(6,5) = 508.83426201978452693747141326157575110090242281998_wp
+ a(7,5) = -290.76243543987687253569795043518614348622995589713_wp
+ a(8,5) = 109.03591328995382720088673141319480380733623346142_wp
+ a(9,5) = -24.230202953323072711308162536265511957185829658094_wp
+ a(10,5) = 2.4230202953323072711308162536265511957185829658094_wp
+ a(11,5) = 0.0_wp
+ a(12,5) = 0.0_wp
+ a(13,5) = 0.0_wp
+ a(1,6) = 0.78217600900123184961735065035840034142603567514089_wp
+ a(2,6) = -7.8217600900123184961735065035840034142603567514089_wp
+ a(3,6) = 35.197920405055433232780779266128015364171605381340_wp
+ a(4,6) = -93.861121080147821954082078043008040971124281016906_wp
+ a(5,6) = 164.25696189025868841964363657526407169946749177959_wp
+ a(6,6) = -197.10835426831042610357236389031688603936099013550_wp
+ a(7,6) = 164.25696189025868841964363657526407169946749177959_wp
+ a(8,6) = -93.861121080147821954082078043008040971124281016906_wp
+ a(9,6) = 35.197920405055433232780779266128015364171605381340_wp
+ a(10,6) = -7.8217600900123184961735065035840034142603567514089_wp
+ a(11,6) = 0.78217600900123184961735065035840034142603567514089_wp
+ a(12,6) = 0.0_wp
+ a(13,6) = 0.0_wp
+ a(1,7) = 0.0_wp
+ a(2,7) = 1.0830767761393601764536458481012280421614377748694_wp
+ a(3,7) = -10.830767761393601764536458481012280421614377748694_wp
+ a(4,7) = 48.738454926271207940414063164555261897264699869122_wp
+ a(5,7) = -129.96921313672322117443750177214736505937253298433_wp
+ a(6,7) = 227.44612298926563705526562810125788885390193272257_wp
+ a(7,7) = -272.93534758711876446631875372150946662468231926708_wp
+ a(8,7) = 227.44612298926563705526562810125788885390193272257_wp
+ a(9,7) = -129.96921313672322117443750177214736505937253298433_wp
+ a(10,7) = 48.738454926271207940414063164555261897264699869122_wp
+ a(11,7) = -10.830767761393601764536458481012280421614377748694_wp
+ a(12,7) = 1.0830767761393601764536458481012280421614377748694_wp
+ a(13,7) = 0.0_wp
+ a(1,8) = 0.0_wp
+ a(2,8) = 0.0_wp
+ a(3,8) = 0.99075245444434671889501396229410272246695863420506_wp
+ a(4,8) = -9.9075245444434671889501396229410272246695863420506_wp
+ a(5,8) = 44.583860449995602350275628303234622511013138539228_wp
+ a(6,8) = -118.89029453332160626740167547529232669603503610461_wp
+ a(7,8) = 208.05801543331281096795293208176157171806131318306_wp
+ a(8,8) = -249.66961851997537316154351849811388606167357581967_wp
+ a(9,8) = 208.05801543331281096795293208176157171806131318306_wp
+ a(10,8) = -118.89029453332160626740167547529232669603503610461_wp
+ a(11,8) = 44.583860449995602350275628303234622511013138539228_wp
+ a(12,8) = -9.9075245444434671889501396229410272246695863420506_wp
+ a(13,8) = 0.99075245444434671889501396229410272246695863420506_wp
+
+ end subroutine set_coeff
+
+end subroutine dissipation_8_4_alt