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#include "cctk.h"
#include "cctk_Functions.h"
#include "cctk_Parameters.h"
subroutine SBP_Poisoning (ni, nj, nk, bb, offset, dvar)
implicit none
DECLARE_CCTK_PARAMETERS
integer :: ni, nj, nk
CCTK_INT, dimension(6), intent(in) :: bb
CCTK_INT, dimension(6), intent(in) :: offset
CCTK_REAL, dimension(ni,nj,nk), intent(inout) :: dvar
CCTK_INT :: il, ir, jl, jr, kl, kr
il = 0; ir = 0
jl = 0; jr = 0
kl = 0; kr = 0
if ( bb(1) /= 0 ) il = offset(1)
if ( bb(2) /= 0 ) ir = offset(2)
if ( bb(3) /= 0 ) jl = offset(3)
if ( bb(4) /= 0 ) jr = offset(4)
if ( bb(5) /= 0 ) kl = offset(5)
if ( bb(6) /= 0 ) kr = offset(6)
!$omp parallel workshare
dvar(1:il,:,:) = poison_value
dvar(:,1:jl,:) = poison_value
dvar(:,:,1:kl) = poison_value
dvar(ni-ir+1:ni,:,:) = poison_value
dvar(:,nj-jr+1:nj,:) = poison_value
dvar(:,:,nk-kr+1:nk) = poison_value
!$omp end parallel workshare
end subroutine SBP_Poisoning
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