MGRadBndry::MGRadBndry(const BoxArray& _grids,
const int _ngroups,
const Geometry& _geom) :
NGBndry(_grids,_ngroups,_geom)
{
if (first)
init(_ngroups);
first = 0;
const BoxArray& grids = boxes();
const Box& domain = geom.Domain();
// const Real* dx = geom.CellSize();
// const Real* xlo = geom.ProbLo();
// It is desirable that the type array be set up after static init.
// This is part of the reason this step is not in NGBndry.
for (OrientationIter fi; fi; ++fi) {
Orientation face = fi();
if (bcflag[face] == 2) {
bctypearray[face].resize(grids.size());
for (FabSetIter bi(bndry[face]); bi.isValid(); ++bi) {
int igrid = bi.index();
if (domain[face] == boxes()[igrid][face] &&
!geom.isPeriodic(face.coordDir())) {
const Box& face_box = bndry[face][bi].box();
bctypearray[face].set(igrid, new BaseFab<int>(face_box));
// We don't care about the bndry values here, only the type array.
#if 0
FORT_RADBNDRY2(bndry[face][bi].dataPtr(), dimlist(face_box),
bctypearray[face][igrid].dataPtr(),
dimlist(domain), dx, xlo, time);
#endif
}
}
}
}
}
void
BndryRegister::defineDoit (Orientation _face,
IndexType _typ,
int _in_rad,
int _out_rad,
int _extent_rad,
BoxArray& fsBA)
{
BL_PROFILE("BndryRegister::defineDoit()");
BL_ASSERT(grids.size() > 0);
const int coord_dir = _face.coordDir();
const int lo_side = _face.isLow();
//
// Build the BoxArray on which to define the FabSet on this face.
//
const int N = grids.size();
fsBA.resize(N);
#ifdef _OPENMP
#pragma omp parallel for
#endif
for (int idx = 0; idx < N; ++idx)
{
Box b;
//
// First construct proper box for direction normal to face.
//
if (_out_rad > 0)
{
if (_typ.ixType(coord_dir) == IndexType::CELL)
b = BoxLib::adjCell(grids[idx], _face, _out_rad);
else
b = BoxLib::bdryNode(grids[idx], _face, _out_rad);
if (_in_rad > 0)
b.grow(_face.flip(), _in_rad);
}
else
{
if (_in_rad > 0)
{
if (_typ.ixType(coord_dir) == IndexType::CELL)
b = BoxLib::adjCell(grids[idx], _face, _in_rad);
else
b = BoxLib::bdryNode(grids[idx], _face, _in_rad);
b.shift(coord_dir, lo_side ? _in_rad : -_in_rad);
}
else
BoxLib::Error("BndryRegister::define(): strange values for in_rad, out_rad");
}
//
// Now alter box in all other index directions.
//
for (int dir = 0; dir < BL_SPACEDIM; dir++)
{
if (dir == coord_dir)
continue;
if (_typ.ixType(dir) == IndexType::NODE)
b.surroundingNodes(dir);
if (_extent_rad > 0)
b.grow(dir,_extent_rad);
}
BL_ASSERT(b.ok());
fsBA.set(idx,b);
}
BL_ASSERT(fsBA.ok());
}
void
MCLinOp::applyBC (MultiFab& inout,
int level,
MCBC_Mode bc_mode)
{
//
// The inout MultiFab must have at least MCLinOp_grow ghost cells
// for applyBC()
//
BL_ASSERT(inout.nGrow() >= MCLinOp_grow);
//
// The inout MultiFab must have at least Periodic_BC_grow cells for the
// algorithms taking care of periodic boundary conditions.
//
BL_ASSERT(inout.nGrow() >= MCLinOp_grow);
//
// No coarsened boundary values, cannot apply inhomog at lev>0.
//
BL_ASSERT(!(level>0 && bc_mode == MCInhomogeneous_BC));
int flagden = 1; // fill in the bndry data and undrrelxr
int flagbc = 1; // with values
if (bc_mode == MCHomogeneous_BC)
flagbc = 0; // nodata if homog
int nc = inout.nComp();
BL_ASSERT(nc == numcomp );
inout.setBndry(-1.e30);
inout.FillBoundary();
prepareForLevel(level);
geomarray[level].FillPeriodicBoundary(inout,0,nc);
//
// Fill boundary cells.
//
#ifdef _OPENMP
#pragma omp parallel
#endif
for (MFIter mfi(inout); mfi.isValid(); ++mfi)
{
const int gn = mfi.index();
BL_ASSERT(gbox[level][gn] == inout.box(gn));
const BndryData::RealTuple& bdl = bgb.bndryLocs(gn);
const Array< Array<BoundCond> >& bdc = bgb.bndryConds(gn);
const MaskTuple& msk = maskvals[level][gn];
for (OrientationIter oitr; oitr; ++oitr)
{
const Orientation face = oitr();
FabSet& f = (*undrrelxr[level])[face];
FabSet& td = (*tangderiv[level])[face];
int cdr(face);
const FabSet& fs = bgb.bndryValues(face);
Real bcl = bdl[face];
const Array<BoundCond>& bc = bdc[face];
const int *bct = (const int*) bc.dataPtr();
const FArrayBox& fsfab = fs[gn];
const Real* bcvalptr = fsfab.dataPtr();
//
// Way external derivs stored.
//
const Real* exttdptr = fsfab.dataPtr(numcomp);
const int* fslo = fsfab.loVect();
const int* fshi = fsfab.hiVect();
FArrayBox& inoutfab = inout[gn];
FArrayBox& denfab = f[gn];
FArrayBox& tdfab = td[gn];
#if BL_SPACEDIM==2
int cdir = face.coordDir(), perpdir = -1;
if (cdir == 0)
perpdir = 1;
else if (cdir == 1)
perpdir = 0;
else
BoxLib::Abort("MCLinOp::applyBC(): bad logic");
const Mask& m = *msk[face];
const Mask& mphi = *msk[Orientation(perpdir,Orientation::high)];
const Mask& mplo = *msk[Orientation(perpdir,Orientation::low)];
FORT_APPLYBC(
&flagden, &flagbc, &maxorder,
inoutfab.dataPtr(),
ARLIM(inoutfab.loVect()), ARLIM(inoutfab.hiVect()),
&cdr, bct, &bcl,
bcvalptr, ARLIM(fslo), ARLIM(fshi),
m.dataPtr(), ARLIM(m.loVect()), ARLIM(m.hiVect()),
mphi.dataPtr(), ARLIM(mphi.loVect()), ARLIM(mphi.hiVect()),
mplo.dataPtr(), ARLIM(mplo.loVect()), ARLIM(mplo.hiVect()),
denfab.dataPtr(),
ARLIM(denfab.loVect()), ARLIM(denfab.hiVect()),
exttdptr, ARLIM(fslo), ARLIM(fshi),
tdfab.dataPtr(),ARLIM(tdfab.loVect()),ARLIM(tdfab.hiVect()),
inout.box(gn).loVect(), inout.box(gn).hiVect(),
&nc, h[level]);
#elif BL_SPACEDIM==3
const Mask& mn = *msk[Orientation(1,Orientation::high)];
const Mask& me = *msk[Orientation(0,Orientation::high)];
const Mask& mw = *msk[Orientation(0,Orientation::low)];
const Mask& ms = *msk[Orientation(1,Orientation::low)];
const Mask& mt = *msk[Orientation(2,Orientation::high)];
const Mask& mb = *msk[Orientation(2,Orientation::low)];
FORT_APPLYBC(
&flagden, &flagbc, &maxorder,
inoutfab.dataPtr(),
ARLIM(inoutfab.loVect()), ARLIM(inoutfab.hiVect()),
&cdr, bct, &bcl,
bcvalptr, ARLIM(fslo), ARLIM(fshi),
mn.dataPtr(),ARLIM(mn.loVect()),ARLIM(mn.hiVect()),
me.dataPtr(),ARLIM(me.loVect()),ARLIM(me.hiVect()),
mw.dataPtr(),ARLIM(mw.loVect()),ARLIM(mw.hiVect()),
ms.dataPtr(),ARLIM(ms.loVect()),ARLIM(ms.hiVect()),
mt.dataPtr(),ARLIM(mt.loVect()),ARLIM(mt.hiVect()),
mb.dataPtr(),ARLIM(mb.loVect()),ARLIM(mb.hiVect()),
denfab.dataPtr(),
ARLIM(denfab.loVect()), ARLIM(denfab.hiVect()),
exttdptr, ARLIM(fslo), ARLIM(fshi),
tdfab.dataPtr(),ARLIM(tdfab.loVect()),ARLIM(tdfab.hiVect()),
inout.box(gn).loVect(), inout.box(gn).hiVect(),
&nc, h[level]);
#endif
}
}
#if 0
// This "probably" works, but is not strictly needed just because of the way Bill
// coded up the tangential derivative stuff. It's handy code though, so I want to
// keep it around/
// Clean up corners:
// The problem here is that APPLYBC fills only grow cells normal to the boundary.
// As a result, any corner cell on the boundary (either coarse-fine or fine-fine)
// is not filled. For coarse-fine, the operator adjusts itself, sliding away from
// the box edge to avoid referencing that corner point. On the physical boundary
// though, the corner point is needed. Particularly if a fine-fine boundary intersects
// the physical boundary, since we want the stencil to be independent of the box
// blocking. FillBoundary operations wont fix the problem because the "good"
// data we need is living in the grow region of adjacent fabs. So, here we play
// the usual games to treat the newly filled grow cells as "valid" data.
// Note that we only need to do something where the grids touch the physical boundary.
const Geometry& geomlev = geomarray[level];
const BoxArray& grids = inout.boxArray();
const Box& domain = geomlev.Domain();
int nGrow = 1;
int src_comp = 0;
int num_comp = BL_SPACEDIM;
// Lets do a quick check to see if we need to do anything at all here
BoxArray BIGba = BoxArray(grids).grow(nGrow);
if (! (domain.contains(BIGba.minimalBox())) ) {
BoxArray boundary_pieces;
Array<int> proc_idxs;
Array<Array<int> > old_to_new(grids.size());
const DistributionMapping& dmap=inout.DistributionMap();
for (int d=0; d<BL_SPACEDIM; ++d) {
if (! (geomlev.isPeriodic(d)) ) {
BoxArray gba = BoxArray(grids).grow(d,nGrow);
for (int i=0; i<gba.size(); ++i) {
BoxArray new_pieces = BoxLib::boxComplement(gba[i],domain);
int size_new = new_pieces.size();
if (size_new>0) {
int size_old = boundary_pieces.size();
boundary_pieces.resize(size_old+size_new);
proc_idxs.resize(boundary_pieces.size());
for (int j=0; j<size_new; ++j) {
boundary_pieces.set(size_old+j,new_pieces[j]);
proc_idxs[size_old+j] = dmap[i];
old_to_new[i].push_back(size_old+j);
}
}
}
}
}
proc_idxs.push_back(ParallelDescriptor::MyProc());
MultiFab boundary_data(boundary_pieces,num_comp,nGrow,
DistributionMapping(proc_idxs));
for (MFIter mfi(inout); mfi.isValid(); ++mfi) {
const FArrayBox& src_fab = inout[mfi];
for (int j=0; j<old_to_new[mfi.index()].size(); ++j) {
int new_box_idx = old_to_new[mfi.index()][j];
boundary_data[new_box_idx].copy(src_fab,src_comp,0,num_comp);
}
}
boundary_data.FillBoundary();
// Use a hacked Geometry object to handle the periodic intersections for us.
// Here, the "domain" is the plane of cells on non-periodic boundary faces.
// and there may be cells over the periodic boundary in the remaining directions.
// We do a Geometry::PFB on each non-periodic face to sync these up.
if (geomlev.isAnyPeriodic()) {
Array<int> is_per(BL_SPACEDIM,0);
for (int d=0; d<BL_SPACEDIM; ++d) {
is_per[d] = geomlev.isPeriodic(d);
}
for (int d=0; d<BL_SPACEDIM; ++d) {
if (! is_per[d]) {
Box tmpLo = BoxLib::adjCellLo(geomlev.Domain(),d,1);
Geometry tmpGeomLo(tmpLo,&(geomlev.ProbDomain()),(int)geomlev.Coord(),is_per.dataPtr());
tmpGeomLo.FillPeriodicBoundary(boundary_data);
Box tmpHi = BoxLib::adjCellHi(geomlev.Domain(),d,1);
Geometry tmpGeomHi(tmpHi,&(geomlev.ProbDomain()),(int)geomlev.Coord(),is_per.dataPtr());
tmpGeomHi.FillPeriodicBoundary(boundary_data);
}
}
}
for (MFIter mfi(inout); mfi.isValid(); ++mfi) {
int idx = mfi.index();
FArrayBox& dst_fab = inout[mfi];
for (int j=0; j<old_to_new[idx].size(); ++j) {
int new_box_idx = old_to_new[mfi.index()][j];
const FArrayBox& src_fab = boundary_data[new_box_idx];
const Box& src_box = src_fab.box();
BoxArray pieces_outside_domain = BoxLib::boxComplement(src_box,domain);
for (int k=0; k<pieces_outside_domain.size(); ++k) {
const Box& outside = pieces_outside_domain[k] & dst_fab.box();
if (outside.ok()) {
dst_fab.copy(src_fab,outside,0,outside,src_comp,num_comp);
}
}
}
}
}
#endif
}
