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AMReX_EB2_3D_C.H
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#ifndef AMREX_EB2_3D_C_H_
#define AMREX_EB2_3D_C_H_
#include <AMReX_Config.H>
namespace amrex { namespace EB2 {
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE
void
amrex_eb2_build_types (Box const& tbx, Box const& bxg2,
Array4<Real const> const& s,
Array4<EBCellFlag> const& cell,
Array4<Type_t> const& fx,
Array4<Type_t> const& fy,
Array4<Type_t> const& fz,
Array4<Type_t> const& ex,
Array4<Type_t> const& ey,
Array4<Type_t> const& ez)
{
auto lo = amrex::max_lbound(tbx, bxg2);
auto hi = amrex::min_ubound(tbx, bxg2);
amrex::Loop(lo, hi,
[=] (int i, int j, int k) noexcept
{
if ( s(i,j ,k ) < 0.0_rt && s(i+1,j ,k ) < 0.0_rt
&& s(i,j+1,k ) < 0.0_rt && s(i+1,j+1,k ) < 0.0_rt
&& s(i,j ,k+1) < 0.0_rt && s(i+1,j ,k+1) < 0.0_rt
&& s(i,j+1,k+1) < 0.0_rt && s(i+1,j+1,k+1) < 0.0_rt)
{
cell(i,j,k).setRegular();
}
else if (s(i,j ,k ) >= 0.0_rt && s(i+1,j ,k ) >= 0.0_rt
&& s(i,j+1,k ) >= 0.0_rt && s(i+1,j+1,k ) >= 0.0_rt
&& s(i,j ,k+1) >= 0.0_rt && s(i+1,j ,k+1) >= 0.0_rt
&& s(i,j+1,k+1) >= 0.0_rt && s(i+1,j+1,k+1) >= 0.0_rt)
{
cell(i,j,k).setCovered();
}
else
{
cell(i,j,k).setSingleValued();
}
});
// x-face
Box b = amrex::surroundingNodes(bxg2,0);
lo = amrex::max_lbound(tbx, b);
hi = amrex::min_ubound(tbx, b);
amrex::Loop(lo, hi,
[=] (int i, int j, int k) noexcept
{
if ( s(i,j,k ) < 0.0_rt && s(i,j+1,k ) < 0.0_rt
&& s(i,j,k+1) < 0.0_rt && s(i,j+1,k+1) < 0.0_rt )
{
fx(i,j,k) = Type::regular;
}
else if (s(i,j,k ) >= 0.0_rt && s(i,j+1,k ) >= 0.0_rt
&& s(i,j,k+1) >= 0.0_rt && s(i,j+1,k+1) >= 0.0_rt )
{
fx(i,j,k) = Type::covered;
}
else
{
fx(i,j,k) = Type::irregular;
}
});
// y-face
b = amrex::surroundingNodes(bxg2,1);
lo = amrex::max_lbound(tbx, b);
hi = amrex::min_ubound(tbx, b);
amrex::Loop(lo, hi,
[=] (int i, int j, int k) noexcept
{
if ( s(i,j,k ) < 0.0_rt && s(i+1,j,k ) < 0.0_rt
&& s(i,j,k+1) < 0.0_rt && s(i+1,j,k+1) < 0.0_rt )
{
fy(i,j,k) = Type::regular;
}
else if (s(i,j,k ) >= 0.0_rt && s(i+1,j,k ) >= 0.0_rt
&& s(i,j,k+1) >= 0.0_rt && s(i+1,j,k+1) >= 0.0_rt )
{
fy(i,j,k) = Type::covered;
}
else
{
fy(i,j,k) = Type::irregular;
}
});
// z-face
b = amrex::surroundingNodes(bxg2,2);
lo = amrex::max_lbound(tbx, b);
hi = amrex::min_ubound(tbx, b);
amrex::Loop(lo, hi,
[=] (int i, int j, int k) noexcept
{
if ( s(i,j ,k) < 0.0_rt && s(i+1,j ,k) < 0.0_rt
&& s(i,j+1,k) < 0.0_rt && s(i+1,j+1,k) < 0.0_rt)
{
fz(i,j,k) = Type::regular;
}
else if (s(i,j ,k) >= 0.0_rt && s(i+1,j ,k) >= 0.0_rt
&& s(i,j+1,k) >= 0.0_rt && s(i+1,j+1,k) >= 0.0_rt)
{
fz(i,j,k) = Type::covered;
}
else
{
fz(i,j,k) = Type::irregular;
}
});
// x-edge
b = amrex::convert(bxg2,IntVect(0,1,1));
lo = amrex::max_lbound(tbx, b);
hi = amrex::min_ubound(tbx, b);
amrex::Loop(lo, hi,
[=] (int i, int j, int k) noexcept
{
if (s(i,j,k) < 0.0_rt && s(i+1,j,k) < 0.0_rt) {
ex(i,j,k) = Type::regular;
} else if (s(i,j,k) >= 0.0_rt && s(i+1,j,k) >= 0.0_rt) {
ex(i,j,k) = Type::covered;
} else {
ex(i,j,k) = Type::irregular;
}
});
// y-edge
b = amrex::convert(bxg2,IntVect(1,0,1));
lo = amrex::max_lbound(tbx, b);
hi = amrex::min_ubound(tbx, b);
amrex::Loop(lo, hi,
[=] (int i, int j, int k) noexcept
{
if (s(i,j,k) < 0.0_rt && s(i,j+1,k) < 0.0_rt) {
ey(i,j,k) = Type::regular;
} else if (s(i,j,k) >= 0.0_rt && s(i,j+1,k) >= 0.0_rt) {
ey(i,j,k) = Type::covered;
} else {
ey(i,j,k) = Type::irregular;
}
});
// z-edge
b = amrex::convert(bxg2,IntVect(1,1,0));
lo = amrex::max_lbound(tbx, b);
hi = amrex::min_ubound(tbx, b);
amrex::Loop(lo, hi,
[=] (int i, int j, int k) noexcept
{
if (s(i,j,k) < 0.0_rt && s(i,j,k+1) < 0.0_rt) {
ez(i,j,k) = Type::regular;
} else if (s(i,j,k) >= 0.0_rt && s(i,j,k+1) >= 0.0_rt) {
ez(i,j,k) = Type::covered;
} else {
ez(i,j,k) = Type::irregular;
}
});
}
namespace {
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE
int num_cuts (Real a, Real b) noexcept {
return (a >= 0.0_rt && b < 0.0_rt) || (b >= 0.0_rt && a < 0.0_rt);
}
}
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE
int check_mvmc (int i, int j, int k, Array4<Real const> const& fine)
{
int ierr = 0;
i *= 2;
j *= 2;
k *= 2;
// x-edges
int nx00 = num_cuts(fine(i,j,k),fine(i+1,j,k)) + num_cuts(fine(i+1,j,k),fine(i+2,j,k));
int nx10 = num_cuts(fine(i,j+2,k),fine(i+1,j+2,k)) + num_cuts(fine(i+1,j+2,k),fine(i+2,j+2,k));
int nx01 = num_cuts(fine(i,j,k+2),fine(i+1,j,k+2)) + num_cuts(fine(i+1,j,k+2),fine(i+2,j,k+2));
int nx11 = num_cuts(fine(i,j+2,k+2),fine(i+1,j+2,k+2)) + num_cuts(fine(i+1,j+2,k+2),fine(i+2,j+2,k+2));
// y-edges
int ny00 = num_cuts(fine(i,j,k),fine(i,j+1,k)) + num_cuts(fine(i,j+1,k),fine(i,j+2,k));
int ny10 = num_cuts(fine(i+2,j,k),fine(i+2,j+1,k)) + num_cuts(fine(i+2,j+1,k),fine(i+2,j+2,k));
int ny01 = num_cuts(fine(i,j,k+2),fine(i,j+1,k+2)) + num_cuts(fine(i,j+1,k+2),fine(i,j+2,k+2));
int ny11 = num_cuts(fine(i+2,j,k+2),fine(i+2,j+1,k+2)) + num_cuts(fine(i+2,j+1,k+2),fine(i+2,j+2,k+2));
// z-edges
int nz00 = num_cuts(fine(i,j,k),fine(i,j,k+1)) + num_cuts(fine(i,j,k+1),fine(i,j,k+2));
int nz10 = num_cuts(fine(i+2,j,k),fine(i+2,j,k+1)) + num_cuts(fine(i+2,j,k+1),fine(i+2,j,k+2));
int nz01 = num_cuts(fine(i,j+2,k),fine(i,j+2,k+1)) + num_cuts(fine(i,j+2,k+1),fine(i,j+2,k+2));
int nz11 = num_cuts(fine(i+2,j+2,k),fine(i+2,j+2,k+1)) + num_cuts(fine(i+2,j+2,k+1),fine(i+2,j+2,k+2));
// x-faces
int nxm = -1;
int n = ny00 + ny01 + nz00 + nz01;
if (n == 0) {
nxm = 0;
} else if (n == 2) {
nxm = 1;
} else {
ierr = 1;
}
int nxp = -1;
n = ny10 + ny11 + nz10 + nz11;
if (n == 0) {
nxp = 0;
} else if (n == 2) {
nxp = 1;
} else {
ierr = 1;
}
// y-faces
int nym = -1;
n = nx00 + nx01 + nz00 + nz10;
if (n == 0) {
nym = 0;
} else if (n == 2) {
nym = 1;
} else {
ierr = 1;
}
int nyp = -1;
n = nx10 + nx11 + nz01 + nz11;
if (n == 0) {
nyp = 0;
} else if (n == 2) {
nyp = 1;
} else {
ierr = 1;
}
// z-faces
int nzm = -1;
n = nx00 + nx10 + ny00 + ny10;
if (n == 0) {
nzm = 0;
} else if (n == 2) {
nzm = 1;
} else {
ierr = 1;
}
int nzp = -1;
n = nx01 + nx11 + ny01 + ny11;
if (n == 0) {
nzp = 0;
} else if (n == 2) {
nzp = 1;
} else {
ierr = 1;
}
if (nxm == 1 && nym == 1 && nzm == 1 && nxp == 1 && nyp == 1 && nzp == 1) {
n = (fine(i ,j ,k ) < 0.0_rt) + (fine(i+2,j ,k ) < 0.0_rt) +
(fine(i ,j+2,k ) < 0.0_rt) + (fine(i+2,j+2,k ) < 0.0_rt) +
(fine(i ,j ,k+2) < 0.0_rt) + (fine(i+2,j ,k+2) < 0.0_rt) +
(fine(i ,j+2,k+2) < 0.0_rt) + (fine(i+2,j+2,k+2) < 0.0_rt);
if (n == 2 || n == 6) {
ierr = 1;
} else if (n != 4) {
ierr = 1;
amrex::Abort("amrex::check_mvmc: how did this happen? nopen != 4");
}
}
return ierr;
}
namespace {
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE
Real coarsen_edge_cent (Real f1, Real f2)
{
if (f1 == Real(1.0) && f2 == Real(1.0)) {
return Real(1.0);
} else if (f1 == Real(-1.0) && f2 == Real(-1.0)) {
return Real(-1.0);
} else {
if (f1 == Real(-1.0)) {
f1 = Real(0.0);
} else if (f1 == Real(1.0)) {
f1 = Real(-0.25);
} else {
f1 = Real(0.5)*f1 - Real(0.25);
}
if (f2 == Real(-1.0)) {
f2 = Real(0.0);
} else if (f2 == Real(1.0)) {
f2 = Real(0.25);
} else {
f2 = Real(0.5)*f2 + Real(0.25);
}
Real r = (f2*f2-f1*f1)/(f2-f1+Real(1.e-30));
return amrex::min(Real(0.5),amrex::max(Real(-0.5),r));
}
}
}
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE
int coarsen_from_fine (int i, int j, int k, Box const& bx, int ngrow,
Array4<Real> const& cvol, Array4<Real> const& ccent,
Array4<Real> const& cba, Array4<Real> const& cbc,
Array4<Real> const& cbn, Array4<Real> const& capx,
Array4<Real> const& capy, Array4<Real> const& capz,
Array4<Real> const& cfcx, Array4<Real> const& cfcy,
Array4<Real> const& cfcz, Array4<Real> const& cecx,
Array4<Real> const& cecy, Array4<Real> const& cecz,
Array4<EBCellFlag> const& cflag,
Array4<Real const> const& fvol, Array4<Real const> const& fcent,
Array4<Real const> const& fba, Array4<Real const> const& fbc,
Array4<Real const> const& fbn, Array4<Real const> const& fapx,
Array4<Real const> const& fapy, Array4<Real const> const& fapz,
Array4<Real const> const& ffcx, Array4<Real const> const& ffcy,
Array4<Real const> const& ffcz, Array4<Real const> const& fecx,
Array4<Real const> const& fecy, Array4<Real const> const& fecz,
Array4<EBCellFlag const> const& fflag)
{
const Box& gbx = amrex::grow(bx,ngrow);
const Box& xbx = amrex::surroundingNodes(bx,0); // face boxes
const Box& ybx = amrex::surroundingNodes(bx,1);
const Box& zbx = amrex::surroundingNodes(bx,2);
const Box& xgbx = amrex::surroundingNodes(gbx,0);
const Box& ygbx = amrex::surroundingNodes(gbx,1);
const Box& zgbx = amrex::surroundingNodes(gbx,2);
const Box& exbx = amrex::convert(bx,IntVect(0,1,1)); // edge boxes
const Box& eybx = amrex::convert(bx,IntVect(1,0,1));
const Box& ezbx = amrex::convert(bx,IntVect(1,1,0));
const Box& exgbx = amrex::convert(gbx,IntVect(0,1,1));
const Box& eygbx = amrex::convert(gbx,IntVect(1,0,1));
const Box& ezgbx = amrex::convert(gbx,IntVect(1,1,0));
int ierr = 0;
int ii = i*2;
int jj = j*2;
int kk = k*2;
if (bx.contains(i,j,k))
{
if (fflag(ii,jj ,kk ).isRegular() && fflag(ii+1,jj ,kk ).isRegular() &&
fflag(ii,jj+1,kk ).isRegular() && fflag(ii+1,jj+1,kk ).isRegular() &&
fflag(ii,jj ,kk+1).isRegular() && fflag(ii+1,jj ,kk+1).isRegular() &&
fflag(ii,jj+1,kk+1).isRegular() && fflag(ii+1,jj+1,kk+1).isRegular())
{
cflag(i,j,k).setRegular();
cvol(i,j,k) = 1.0_rt;
ccent(i,j,k,0) = 0.0_rt;
ccent(i,j,k,1) = 0.0_rt;
ccent(i,j,k,2) = 0.0_rt;
cba(i,j,k) = 0.0_rt;
cbc(i,j,k,0) = -1.0_rt;
cbc(i,j,k,1) = -1.0_rt;
cbc(i,j,k,2) = -1.0_rt;
cbn(i,j,k,0) = 0.0_rt;
cbn(i,j,k,1) = 0.0_rt;
cbn(i,j,k,2) = 0.0_rt;
}
else if (fflag(ii,jj ,kk ).isCovered() && fflag(ii+1,jj ,kk ).isCovered() &&
fflag(ii,jj+1,kk ).isCovered() && fflag(ii+1,jj+1,kk ).isCovered() &&
fflag(ii,jj ,kk+1).isCovered() && fflag(ii+1,jj ,kk+1).isCovered() &&
fflag(ii,jj+1,kk+1).isCovered() && fflag(ii+1,jj+1,kk+1).isCovered())
{
cflag(i,j,k).setCovered();
cvol(i,j,k) = 0.0_rt;
ccent(i,j,k,0) = 0.0_rt;
ccent(i,j,k,1) = 0.0_rt;
ccent(i,j,k,2) = 0.0_rt;
cba(i,j,k) = 0.0_rt;
cbc(i,j,k,0) = -1.0_rt;
cbc(i,j,k,1) = -1.0_rt;
cbc(i,j,k,2) = -1.0_rt;
cbn(i,j,k,0) = 0.0_rt;
cbn(i,j,k,1) = 0.0_rt;
cbn(i,j,k,2) = 0.0_rt;
}
else
{
cflag(i,j,k).setSingleValued();
cvol(i,j,k) = 0.125_rt*(fvol(ii ,jj ,kk ) + fvol(ii+1,jj ,kk ) +
fvol(ii ,jj+1,kk ) + fvol(ii+1,jj+1,kk ) +
fvol(ii ,jj ,kk+1) + fvol(ii+1,jj ,kk+1) +
fvol(ii ,jj+1,kk+1) + fvol(ii+1,jj+1,kk+1));
Real cvolinv = 1.0_rt / cvol(i,j,k);
ccent(i,j,k,0) = 0.125_rt * cvolinv *
(fvol(ii ,jj ,kk )*(0.5_rt*fcent(ii ,jj ,kk ,0)-0.25_rt) +
fvol(ii+1,jj ,kk )*(0.5_rt*fcent(ii+1,jj ,kk ,0)+0.25_rt) +
fvol(ii ,jj+1,kk )*(0.5_rt*fcent(ii ,jj+1,kk ,0)-0.25_rt) +
fvol(ii+1,jj+1,kk )*(0.5_rt*fcent(ii+1,jj+1,kk ,0)+0.25_rt) +
fvol(ii ,jj ,kk+1)*(0.5_rt*fcent(ii ,jj ,kk+1,0)-0.25_rt) +
fvol(ii+1,jj ,kk+1)*(0.5_rt*fcent(ii+1,jj ,kk+1,0)+0.25_rt) +
fvol(ii ,jj+1,kk+1)*(0.5_rt*fcent(ii ,jj+1,kk+1,0)-0.25_rt) +
fvol(ii+1,jj+1,kk+1)*(0.5_rt*fcent(ii+1,jj+1,kk+1,0)+0.25_rt));
ccent(i,j,k,1) = 0.125_rt * cvolinv *
(fvol(ii ,jj ,kk )*(0.5_rt*fcent(ii ,jj ,kk ,1)-0.25_rt) +
fvol(ii+1,jj ,kk )*(0.5_rt*fcent(ii+1,jj ,kk ,1)-0.25_rt) +
fvol(ii ,jj+1,kk )*(0.5_rt*fcent(ii ,jj+1,kk ,1)+0.25_rt) +
fvol(ii+1,jj+1,kk )*(0.5_rt*fcent(ii+1,jj+1,kk ,1)+0.25_rt) +
fvol(ii ,jj ,kk+1)*(0.5_rt*fcent(ii ,jj ,kk+1,1)-0.25_rt) +
fvol(ii+1,jj ,kk+1)*(0.5_rt*fcent(ii+1,jj ,kk+1,1)-0.25_rt) +
fvol(ii ,jj+1,kk+1)*(0.5_rt*fcent(ii ,jj+1,kk+1,1)+0.25_rt) +
fvol(ii+1,jj+1,kk+1)*(0.5_rt*fcent(ii+1,jj+1,kk+1,1)+0.25_rt));
ccent(i,j,k,2) = 0.125_rt * cvolinv *
(fvol(ii ,jj ,kk )*(0.5_rt*fcent(ii ,jj ,kk ,2)-0.25_rt) +
fvol(ii+1,jj ,kk )*(0.5_rt*fcent(ii+1,jj ,kk ,2)-0.25_rt) +
fvol(ii ,jj+1,kk )*(0.5_rt*fcent(ii ,jj+1,kk ,2)-0.25_rt) +
fvol(ii+1,jj+1,kk )*(0.5_rt*fcent(ii+1,jj+1,kk ,2)-0.25_rt) +
fvol(ii ,jj ,kk+1)*(0.5_rt*fcent(ii ,jj ,kk+1,2)+0.25_rt) +
fvol(ii+1,jj ,kk+1)*(0.5_rt*fcent(ii+1,jj ,kk+1,2)+0.25_rt) +
fvol(ii ,jj+1,kk+1)*(0.5_rt*fcent(ii ,jj+1,kk+1,2)+0.25_rt) +
fvol(ii+1,jj+1,kk+1)*(0.5_rt*fcent(ii+1,jj+1,kk+1,2)+0.25_rt));
cba(i,j,k) = 0.25_rt*(fba(ii ,jj ,kk ) + fba(ii+1,jj ,kk ) +
fba(ii ,jj+1,kk ) + fba(ii+1,jj+1,kk ) +
fba(ii ,jj ,kk+1) + fba(ii+1,jj ,kk+1) +
fba(ii ,jj+1,kk+1) + fba(ii+1,jj+1,kk+1));
Real cbainv = 1.0_rt / cba(i,j,k);
cbc(i,j,k,0) = 0.25_rt * cbainv *
( fba(ii ,jj ,kk )*(0.5_rt*fbc(ii ,jj ,kk ,0)-0.25_rt)
+ fba(ii+1,jj ,kk )*(0.5_rt*fbc(ii+1,jj ,kk ,0)+0.25_rt)
+ fba(ii ,jj+1,kk )*(0.5_rt*fbc(ii ,jj+1,kk ,0)-0.25_rt)
+ fba(ii+1,jj+1,kk )*(0.5_rt*fbc(ii+1,jj+1,kk ,0)+0.25_rt)
+ fba(ii ,jj ,kk+1)*(0.5_rt*fbc(ii ,jj ,kk+1,0)-0.25_rt)
+ fba(ii+1,jj ,kk+1)*(0.5_rt*fbc(ii+1,jj ,kk+1,0)+0.25_rt)
+ fba(ii ,jj+1,kk+1)*(0.5_rt*fbc(ii ,jj+1,kk+1,0)-0.25_rt)
+ fba(ii+1,jj+1,kk+1)*(0.5_rt*fbc(ii+1,jj+1,kk+1,0)+0.25_rt) );
cbc(i,j,k,1) = 0.25_rt * cbainv *
( fba(ii ,jj ,kk )*(0.5_rt*fbc(ii ,jj ,kk ,1)-0.25_rt)
+ fba(ii+1,jj ,kk )*(0.5_rt*fbc(ii+1,jj ,kk ,1)-0.25_rt)
+ fba(ii ,jj+1,kk )*(0.5_rt*fbc(ii ,jj+1,kk ,1)+0.25_rt)
+ fba(ii+1,jj+1,kk )*(0.5_rt*fbc(ii+1,jj+1,kk ,1)+0.25_rt)
+ fba(ii ,jj ,kk+1)*(0.5_rt*fbc(ii ,jj ,kk+1,1)-0.25_rt)
+ fba(ii+1,jj ,kk+1)*(0.5_rt*fbc(ii+1,jj ,kk+1,1)-0.25_rt)
+ fba(ii ,jj+1,kk+1)*(0.5_rt*fbc(ii ,jj+1,kk+1,1)+0.25_rt)
+ fba(ii+1,jj+1,kk+1)*(0.5_rt*fbc(ii+1,jj+1,kk+1,1)+0.25_rt) );
cbc(i,j,k,2) = 0.25_rt * cbainv *
( fba(ii ,jj ,kk )*(0.5_rt*fbc(ii ,jj ,kk ,2)-0.25_rt)
+ fba(ii+1,jj ,kk )*(0.5_rt*fbc(ii+1,jj ,kk ,2)-0.25_rt)
+ fba(ii ,jj+1,kk )*(0.5_rt*fbc(ii ,jj+1,kk ,2)-0.25_rt)
+ fba(ii+1,jj+1,kk )*(0.5_rt*fbc(ii+1,jj+1,kk ,2)-0.25_rt)
+ fba(ii ,jj ,kk+1)*(0.5_rt*fbc(ii ,jj ,kk+1,2)+0.25_rt)
+ fba(ii+1,jj ,kk+1)*(0.5_rt*fbc(ii+1,jj ,kk+1,2)+0.25_rt)
+ fba(ii ,jj+1,kk+1)*(0.5_rt*fbc(ii ,jj+1,kk+1,2)+0.25_rt)
+ fba(ii+1,jj+1,kk+1)*(0.5_rt*fbc(ii+1,jj+1,kk+1,2)+0.25_rt) );
Real nx = fbn(ii ,jj ,kk ,0)*fba(ii ,jj ,kk )
+ fbn(ii+1,jj ,kk ,0)*fba(ii+1,jj ,kk )
+ fbn(ii ,jj+1,kk ,0)*fba(ii ,jj+1,kk )
+ fbn(ii+1,jj+1,kk ,0)*fba(ii+1,jj+1,kk )
+ fbn(ii ,jj ,kk+1,0)*fba(ii ,jj ,kk+1)
+ fbn(ii+1,jj ,kk+1,0)*fba(ii+1,jj ,kk+1)
+ fbn(ii ,jj+1,kk+1,0)*fba(ii ,jj+1,kk+1)
+ fbn(ii+1,jj+1,kk+1,0)*fba(ii+1,jj+1,kk+1);
Real ny = fbn(ii ,jj ,kk ,1)*fba(ii ,jj ,kk )
+ fbn(ii+1,jj ,kk ,1)*fba(ii+1,jj ,kk )
+ fbn(ii ,jj+1,kk ,1)*fba(ii ,jj+1,kk )
+ fbn(ii+1,jj+1,kk ,1)*fba(ii+1,jj+1,kk )
+ fbn(ii ,jj ,kk+1,1)*fba(ii ,jj ,kk+1)
+ fbn(ii+1,jj ,kk+1,1)*fba(ii+1,jj ,kk+1)
+ fbn(ii ,jj+1,kk+1,1)*fba(ii ,jj+1,kk+1)
+ fbn(ii+1,jj+1,kk+1,1)*fba(ii+1,jj+1,kk+1);
Real nz = fbn(ii ,jj ,kk ,2)*fba(ii ,jj ,kk )
+ fbn(ii+1,jj ,kk ,2)*fba(ii+1,jj ,kk )
+ fbn(ii ,jj+1,kk ,2)*fba(ii ,jj+1,kk )
+ fbn(ii+1,jj+1,kk ,2)*fba(ii+1,jj+1,kk )
+ fbn(ii ,jj ,kk+1,2)*fba(ii ,jj ,kk+1)
+ fbn(ii+1,jj ,kk+1,2)*fba(ii+1,jj ,kk+1)
+ fbn(ii ,jj+1,kk+1,2)*fba(ii ,jj+1,kk+1)
+ fbn(ii+1,jj+1,kk+1,2)*fba(ii+1,jj+1,kk+1);
Real nfac = 1.0_rt / std::sqrt(nx*nx+ny*ny+nz*nz+1.e-30_rt);
cbn(i,j,k,0) = nx*nfac;
cbn(i,j,k,1) = ny*nfac;
cbn(i,j,k,2) = nz*nfac;
ierr = (nx == 0.0_rt && ny == 0.0_rt && nz == 0.0_rt)
// we must check the enclosing surface to make sure the coarse cell does not
// fully contains the geometry object.
|| ( fapx(ii,jj ,kk )==1.0_rt && fapx(ii+2,jj ,kk )==1.0_rt
&& fapx(ii,jj+1,kk )==1.0_rt && fapx(ii+2,jj+1,kk )==1.0_rt
&& fapx(ii,jj ,kk+1)==1.0_rt && fapx(ii+2,jj ,kk+1)==1.0_rt
&& fapx(ii,jj+1,kk+1)==1.0_rt && fapx(ii+2,jj+1,kk+1)==1.0_rt
&& fapy(ii,jj ,kk )==1.0_rt && fapy(ii+1,jj ,kk )==1.0_rt
&& fapy(ii,jj+2,kk )==1.0_rt && fapy(ii+1,jj+2,kk )==1.0_rt
&& fapy(ii,jj ,kk+1)==1.0_rt && fapy(ii+1,jj ,kk+1)==1.0_rt
&& fapy(ii,jj+2,kk+1)==1.0_rt && fapy(ii+1,jj+2,kk+1)==1.0_rt
&& fapz(ii,jj ,kk )==1.0_rt && fapz(ii+1,jj ,kk )==1.0_rt
&& fapz(ii,jj+1,kk )==1.0_rt && fapz(ii+1,jj+1,kk )==1.0_rt
&& fapz(ii,jj ,kk+2)==1.0_rt && fapz(ii+1,jj ,kk+2)==1.0_rt
&& fapz(ii,jj+1,kk+2)==1.0_rt && fapz(ii+1,jj+1,kk+2)==1.0_rt);
}
}
else if (gbx.contains(i,j,k))
{
cvol(i,j,k) = 1.0_rt;
ccent(i,j,k,0) = 0.0_rt;
ccent(i,j,k,1) = 0.0_rt;
ccent(i,j,k,2) = 0.0_rt;
cba(i,j,k) = 0.0_rt;
cbc(i,j,k,0) = -1.0_rt;
cbc(i,j,k,1) = -1.0_rt;
cbc(i,j,k,2) = -1.0_rt;
cbn(i,j,k,0) = 0.0_rt;
cbn(i,j,k,1) = 0.0_rt;
cbn(i,j,k,2) = 0.0_rt;
}
if (xbx.contains(i,j,k))
{
capx(i,j,k) = 0.25_rt*(fapx(ii,jj ,kk ) + fapx(ii,jj+1,kk ) +
fapx(ii,jj ,kk+1) + fapx(ii,jj+1,kk+1));
if (capx(i,j,k) != 0.0_rt) {
Real apinv = 1.0_rt / capx(i,j,k);
cfcx(i,j,k,0) = 0.25_rt * apinv *
(fapx(ii,jj ,kk )*(0.5_rt*ffcx(ii,jj ,kk ,0)-0.25_rt) +
fapx(ii,jj+1,kk )*(0.5_rt*ffcx(ii,jj+1,kk ,0)+0.25_rt) +
fapx(ii,jj ,kk+1)*(0.5_rt*ffcx(ii,jj ,kk+1,0)-0.25_rt) +
fapx(ii,jj+1,kk+1)*(0.5_rt*ffcx(ii,jj+1,kk+1,0)+0.25_rt) );
cfcx(i,j,k,1) = 0.25_rt * apinv *
(fapx(ii,jj ,kk )*(0.5_rt*ffcx(ii,jj ,kk ,1)-0.25_rt) +
fapx(ii,jj+1,kk )*(0.5_rt*ffcx(ii,jj+1,kk ,1)-0.25_rt) +
fapx(ii,jj ,kk+1)*(0.5_rt*ffcx(ii,jj ,kk+1,1)+0.25_rt) +
fapx(ii,jj+1,kk+1)*(0.5_rt*ffcx(ii,jj+1,kk+1,1)+0.25_rt) );
} else {
cfcx(i,j,k,0) = 0.0_rt;
cfcx(i,j,k,1) = 0.0_rt;
}
}
else if (xgbx.contains(i,j,k))
{
capx(i,j,k) = 1.0_rt;
cfcx(i,j,k,0) = 0.0_rt;
cfcx(i,j,k,1) = 0.0_rt;
}
if (ybx.contains(i,j,k))
{
capy(i,j,k) = 0.25_rt*(fapy(ii ,jj,kk ) + fapy(ii+1,jj,kk ) +
fapy(ii ,jj,kk+1) + fapy(ii+1,jj,kk+1));
if (capy(i,j,k) != 0.0_rt) {
Real apinv = 1.0_rt / capy(i,j,k);
cfcy(i,j,k,0) = 0.25_rt * apinv *
(fapy(ii ,jj,kk )*(0.5_rt*ffcy(ii ,jj,kk ,0)-0.25_rt) +
fapy(ii+1,jj,kk )*(0.5_rt*ffcy(ii+1,jj,kk ,0)+0.25_rt) +
fapy(ii ,jj,kk+1)*(0.5_rt*ffcy(ii ,jj,kk+1,0)-0.25_rt) +
fapy(ii+1,jj,kk+1)*(0.5_rt*ffcy(ii+1,jj,kk+1,0)+0.25_rt) );
cfcy(i,j,k,1) = 0.25_rt * apinv *
(fapy(ii ,jj,kk )*(0.5_rt*ffcy(ii ,jj,kk ,1)-0.25_rt) +
fapy(ii+1,jj,kk )*(0.5_rt*ffcy(ii+1,jj,kk ,1)-0.25_rt) +
fapy(ii ,jj,kk+1)*(0.5_rt*ffcy(ii ,jj,kk+1,1)+0.25_rt) +
fapy(ii+1,jj,kk+1)*(0.5_rt*ffcy(ii+1,jj,kk+1,1)+0.25_rt) );
} else {
cfcy(i,j,k,0) = 0.0_rt;
cfcy(i,j,k,1) = 0.0_rt;
}
}
else if (ygbx.contains(i,j,k))
{
capy(i,j,k) = 1.0_rt;
cfcy(i,j,k,0) = 0.0_rt;
cfcy(i,j,k,1) = 0.0_rt;
}
if (zbx.contains(i,j,k))
{
capz(i,j,k) = 0.25_rt * (fapz(ii ,jj ,kk) + fapz(ii+1,jj ,kk) +
fapz(ii ,jj+1,kk) + fapz(ii+1,jj+1,kk));
if (capz(i,j,k) != 0.0_rt) {
Real apinv = 1.0_rt / capz(i,j,k);
cfcz(i,j,k,0) = 0.25_rt * apinv *
(fapz(ii ,jj ,kk)*(0.5_rt*ffcz(ii ,jj ,kk,0)-0.25_rt) +
fapz(ii+1,jj ,kk)*(0.5_rt*ffcz(ii+1,jj ,kk,0)+0.25_rt) +
fapz(ii ,jj+1,kk)*(0.5_rt*ffcz(ii ,jj+1,kk,0)-0.25_rt) +
fapz(ii+1,jj+1,kk)*(0.5_rt*ffcz(ii+1,jj+1,kk,0)+0.25_rt) );
cfcz(i,j,k,1) = 0.25_rt * apinv *
(fapz(ii ,jj ,kk)*(0.5_rt*ffcz(ii ,jj ,kk,1)-0.25_rt) +
fapz(ii+1,jj ,kk)*(0.5_rt*ffcz(ii+1,jj ,kk,1)-0.25_rt) +
fapz(ii ,jj+1,kk)*(0.5_rt*ffcz(ii ,jj+1,kk,1)+0.25_rt) +
fapz(ii+1,jj+1,kk)*(0.5_rt*ffcz(ii+1,jj+1,kk,1)+0.25_rt) );
} else {
cfcz(i,j,k,0) = 0.0_rt;
cfcz(i,j,k,1) = 0.0_rt;
}
}
else if (zgbx.contains(i,j,k))
{
capz(i,j,k) = 1.0_rt;
cfcz(i,j,k,0) = 0.0_rt;
cfcz(i,j,k,1) = 0.0_rt;
}
if (exbx.contains(i,j,k))
{
cecx(i,j,k) = coarsen_edge_cent(fecx(ii,jj,kk), fecx(ii+1,jj,kk));
}
else if (exgbx.contains(i,j,k))
{
cecx(i,j,k) = 1.0_rt;
}
if (eybx.contains(i,j,k))
{
cecy(i,j,k) = coarsen_edge_cent(fecy(ii,jj,kk), fecy(ii,jj+1,kk));
}
else if (eygbx.contains(i,j,k))
{
cecy(i,j,k) = 1.0_rt;
}
if (ezbx.contains(i,j,k))
{
cecz(i,j,k) = coarsen_edge_cent(fecz(ii,jj,kk), fecz(ii,jj,kk+1));
}
else if (ezgbx.contains(i,j,k))
{
cecz(i,j,k) = 1.0_rt;
}
return ierr;
}
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE
void build_cellflag_from_ap (int i, int j, int k, Array4<EBCellFlag> const& cflag,
Array4<Real const> const& apx, Array4<Real const> const& apy,
Array4<Real const> const& apz)
{
auto flg = cflag(i,j,k);
flg.setDisconnected();
if (!flg.isCovered())
{
flg.setConnected(0,0,0);
if (apx(i ,j,k) != 0.0_rt) flg.setConnected(-1, 0, 0);
if (apx(i+1,j,k) != 0.0_rt) flg.setConnected( 1, 0, 0);
if (apy(i,j ,k) != 0.0_rt) flg.setConnected( 0, -1, 0);
if (apy(i,j+1,k) != 0.0_rt) flg.setConnected( 0, 1, 0);
if (apz(i,j,k ) != 0.0_rt) flg.setConnected( 0, 0, -1);
if (apz(i,j,k+1) != 0.0_rt) flg.setConnected( 0, 0, 1);
if ( (apx(i,j,k) != 0.0_rt && apy(i-1,j,k) != 0.0_rt) ||
(apy(i,j,k) != 0.0_rt && apx(i,j-1,k) != 0.0_rt) )
{
flg.setConnected(-1, -1, 0);
if (apz(i-1,j-1,k ) != 0.0_rt) flg.setConnected(-1,-1,-1);
if (apz(i-1,j-1,k+1) != 0.0_rt) flg.setConnected(-1,-1, 1);
}
if ( (apx(i+1,j,k) != 0.0_rt && apy(i+1,j ,k) != 0.0_rt) ||
(apy(i ,j,k) != 0.0_rt && apx(i+1,j-1,k) != 0.0_rt) )
{
flg.setConnected(1, -1, 0);
if (apz(i+1,j-1,k ) != 0.0_rt) flg.setConnected(1,-1,-1);
if (apz(i+1,j-1,k+1) != 0.0_rt) flg.setConnected(1,-1, 1);
}
if ( (apx(i,j ,k) != 0.0_rt && apy(i-1,j+1,k) != 0.0_rt) ||
(apy(i,j+1,k) != 0.0_rt && apx(i ,j+1,k) != 0.0_rt) )
{
flg.setConnected(-1, 1, 0);
if (apz(i-1,j+1,k ) != 0.0_rt) flg.setConnected(-1, 1,-1);
if (apz(i-1,j+1,k+1) != 0.0_rt) flg.setConnected(-1, 1, 1);
}
if ( (apx(i+1,j ,k) != 0.0_rt && apy(i+1,j+1,k) != 0.0_rt) ||
(apy(i ,j+1,k) != 0.0_rt && apx(i+1,j+1,k) != 0.0_rt) )
{
flg.setConnected(1, 1, 0);
if (apz(i+1,j+1,k ) != 0.0_rt) flg.setConnected(1, 1,-1);
if (apz(i+1,j+1,k+1) != 0.0_rt) flg.setConnected(1, 1, 1);
}
if ( (apx(i,j,k) != 0.0_rt && apz(i-1,j,k ) != 0.0_rt) ||
(apz(i,j,k) != 0.0_rt && apx(i ,j,k-1) != 0.0_rt) )
{
flg.setConnected(-1, 0, -1);
if (apy(i-1,j ,k-1) != 0.0_rt) flg.setConnected(-1,-1,-1);
if (apy(i-1,j+1,k-1) != 0.0_rt) flg.setConnected(-1, 1,-1);
}
if ( (apx(i+1,j,k) != 0.0_rt && apz(i+1,j,k ) != 0.0_rt) ||
(apz(i ,j,k) != 0.0_rt && apx(i+1,j,k-1) != 0.0_rt) )
{
flg.setConnected(1, 0, -1);
if (apy(i+1,j ,k-1) != 0.0_rt) flg.setConnected(1,-1,-1);
if (apy(i+1,j+1,k-1) != 0.0_rt) flg.setConnected(1, 1,-1);
}
if ( (apx(i,j,k ) != 0.0_rt && apz(i-1,j,k+1) != 0.0_rt) ||
(apz(i,j,k+1) != 0.0_rt && apx(i ,j,k+1) != 0.0_rt) )
{
flg.setConnected(-1, 0, 1);
if (apy(i-1,j ,k+1) != 0.0_rt) flg.setConnected(-1,-1, 1);
if (apy(i-1,j+1,k+1) != 0.0_rt) flg.setConnected(-1, 1, 1);
}
if ( (apx(i+1,j,k ) != 0.0_rt && apz(i+1,j,k+1) != 0.0_rt) ||
(apz(i ,j,k+1) != 0.0_rt && apx(i+1,j,k+1) != 0.0_rt) )
{
flg.setConnected(1, 0, 1);
if (apy(i+1,j ,k+1) != 0.0_rt) flg.setConnected(1,-1, 1);
if (apy(i+1,j+1,k+1) != 0.0_rt) flg.setConnected(1, 1, 1);
}
if ( (apy(i,j,k) != 0.0_rt && apz(i,j-1,k ) != 0.0_rt) ||
(apz(i,j,k) != 0.0_rt && apy(i,j ,k-1) != 0.0_rt) )
{
flg.setConnected(0, -1, -1);
if (apx(i ,j-1,k-1) != 0.0_rt) flg.setConnected(-1,-1,-1);
if (apx(i+1,j-1,k-1) != 0.0_rt) flg.setConnected( 1,-1,-1);
}
if ( (apy(i,j+1,k) != 0.0_rt && apz(i,j+1,k ) != 0.0_rt) ||
(apz(i,j ,k) != 0.0_rt && apy(i,j+1,k-1) != 0.0_rt) )
{
flg.setConnected(0, 1, -1);
if (apx(i ,j+1,k-1) != 0.0_rt) flg.setConnected(-1, 1,-1);
if (apx(i+1,j+1,k-1) != 0.0_rt) flg.setConnected( 1, 1,-1);
}
if ( (apy(i,j,k ) != 0.0_rt && apz(i,j-1,k+1) != 0.0_rt) ||
(apz(i,j,k+1) != 0.0_rt && apy(i,j ,k+1) != 0.0_rt) )
{
flg.setConnected(0, -1, 1);
if (apx(i ,j-1,k+1) != 0.0_rt) flg.setConnected(-1,-1, 1);
if (apx(i+1,j-1,k+1) != 0.0_rt) flg.setConnected( 1,-1, 1);
}
if ( (apy(i,j+1,k ) != 0.0_rt && apz(i,j+1,k+1) != 0.0_rt) ||
(apz(i,j ,k+1) != 0.0_rt && apy(i,j+1,k+1) != 0.0_rt) )
{
flg.setConnected(0, 1, 1);
if (apx(i ,j+1,k+1) != 0.0_rt) flg.setConnected(-1, 1, 1);
if (apx(i+1,j+1,k+1) != 0.0_rt) flg.setConnected( 1, 1, 1);
}
}
cflag(i,j,k) = flg;
}
}}
#endif