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#include <cassert>
#include <cmath>
#include <cstring>
#include <sstream>
#include <vector>
#include "cctk.h"
#include "cctk_Parameters.h"
#include "gh.hh"
#include "carpet.hh"
#include "regrid.hh"
namespace CarpetRegrid {
using namespace std;
using namespace Carpet;
int ManualCoordinateList (cGH const * const cctkGH,
gh const & hh,
gh::mexts & bbsss,
gh::rbnds & obss,
gh::rprocs & pss)
{
DECLARE_CCTK_PARAMETERS;
int ierr;
assert (refinement_levels >= 1);
// do nothing if the levels already exist
if (reflevel == refinement_levels) return 0;
assert (bbsss.size() >= 1);
vector<vector<ibbox> > bbss = bbsss.at(0);
jjvect nboundaryzones, is_internal, is_staggered, shiftout;
ierr = GetBoundarySpecification
(2*dim, &nboundaryzones[0][0], &is_internal[0][0],
&is_staggered[0][0], &shiftout[0][0]);
assert (!ierr);
rvect physical_min, physical_max;
rvect interior_min, interior_max;
rvect exterior_min, exterior_max;
rvect base_spacing;
ierr = GetDomainSpecification
(dim, &physical_min[0], &physical_max[0],
&interior_min[0], &interior_max[0],
&exterior_min[0], &exterior_max[0], &base_spacing[0]);
assert (!ierr);
bbss.resize (refinement_levels);
obss.resize (refinement_levels);
pss.resize (refinement_levels);
vector<vector<rbbox> > newbbss;
if (strcmp(coordinates, "") != 0) {
istringstream gp_str(coordinates);
try {
gp_str >> newbbss;
} catch (input_error) {
CCTK_WARN (0, "Could not parse parameter \"coordinates\"");
}
}
vector<vector<bbvect> > newobss;
if (smart_outer_boundaries) {
// TODO:
// assert (domain_from_coordbase);
newobss.resize(newbbss.size());
for (size_t rl=0; rl<newobss.size(); ++rl) {
newobss.at(rl).resize(newbbss.at(rl).size());
for (size_t c=0; c<newobss.at(rl).size(); ++c) {
for (int d=0; d<dim; ++d) {
assert (mglevel==0);
rvect const spacing = base_spacing * ipow((CCTK_REAL)mgfact, basemglevel) / ipow(reffact, rl+1);
ierr = ConvertFromPhysicalBoundary
(dim, &physical_min[0], &physical_max[0],
&interior_min[0], &interior_max[0],
&exterior_min[0], &exterior_max[0], &spacing[0]);
assert (!ierr);
newobss.at(rl).at(c)[d][0] = abs(newbbss.at(rl).at(c).lower()[d] - physical_min[d]) < 1.0e-6 * spacing[d];
if (newobss.at(rl).at(c)[d][0]) {
rvect lo = newbbss.at(rl).at(c).lower();
rvect up = newbbss.at(rl).at(c).upper();
rvect str = newbbss.at(rl).at(c).stride();
lo[d] = exterior_min[d];
newbbss.at(rl).at(c) = rbbox(lo, up, str);
}
newobss.at(rl).at(c)[d][1] = abs(newbbss.at(rl).at(c).upper()[d] - physical_max[d]) < 1.0e-6 * base_spacing[d] / ipow(reffact, rl);
if (newobss.at(rl).at(c)[d][1]) {
rvect lo = newbbss.at(rl).at(c).lower();
rvect up = newbbss.at(rl).at(c).upper();
rvect str = newbbss.at(rl).at(c).stride();
up[d] = exterior_max[d];
newbbss.at(rl).at(c) = rbbox(lo, up, str);
}
}
}
}
} else { // if ! smart_outer_boundaries
if (strcmp(outerbounds, "") !=0 ) {
istringstream ob_str (outerbounds);
try {
ob_str >> newobss;
} catch (input_error) {
CCTK_WARN (0, "Could not parse parameter \"outerbounds\"");
}
bool good = newobss.size() == newbbss.size();
if (good) {
for (size_t rl=0; rl<newobss.size(); ++rl) {
good = good && newobss.at(rl).size() == newbbss.at(rl).size();
}
}
if (! good) {
cout << "coordinates: " << newbbss << endl;
cout << "outerbounds: " << newobss << endl;
CCTK_WARN (0, "The parameters \"outerbounds\" and \"coordinates\" must have the same structure");
}
} else {
newobss.resize(newbbss.size());
for (size_t rl=0; rl<newobss.size(); ++rl) {
newobss.at(rl).resize(newbbss.at(rl).size());
for (size_t c=0; c<newobss.at(rl).size(); ++c) {
newobss.at(rl).at(c) = bbvect(false);
}
}
}
} // if ! smart_outer_boundaries
if (newbbss.size() < refinement_levels-1) {
CCTK_VWarn (0, __LINE__, __FILE__, CCTK_THORNSTRING,
"The parameter \"coordinates\" must contain at least \"refinement_levels-1\" (here: %d) levels", int(refinement_levels-1));
}
for (size_t rl=1; rl<refinement_levels; ++rl) {
vector<ibbox> bbs;
gh::cbnds obs;
bbs.reserve (newbbss.at(rl-1).size());
obs.reserve (newbbss.at(rl-1).size());
for (size_t c=0; c<newbbss.at(rl-1).size(); ++c) {
rbbox const & ext = newbbss.at(rl-1).at(c);
bbvect const & ob = newobss.at(rl-1).at(c);
// TODO:
// assert (domain_from_coordbase);
// TODO: why can basemglevel not be used here?
// rvect const spacing = base_spacing * ipow(CCTK_REAL(mgfact), basemglevel) / ipow(reffact, rl);
rvect const spacing = base_spacing / ipow(reffact, rl);
if (! all(abs(ext.stride() - spacing) < spacing * 1.0e-10)) {
assert (dim==3);
CCTK_VWarn (0, __LINE__, __FILE__, CCTK_THORNSTRING,
"The grid spacing on refinement level %d is incorrect. I expected [%g,%g,%g], but I found [%g,%g,%g].",
int(rl),
double(spacing[0]), double(spacing[1]), double(spacing[2]),
double(ext.stride()[0]), double(ext.stride()[1]), double(ext.stride()[2]));
}
assert (all(abs(ext.stride() - spacing) < spacing * 1.0e-10));
rvect offset = rvect(0);
if (c < num_offsets) {
if (rl >= offset_firstlevel) {
assert (dim==3);
offset = rvect(offsetx[c], offsety[c], offsetz[c]);
}
}
ManualCoordinates_OneLevel
(cctkGH, hh, rl, refinement_levels,
ext.lower() + offset, ext.upper() + offset, ob, bbs, obs);
}
// make multiprocessor aware
gh::cprocs ps;
SplitRegions (cctkGH, bbs, obs, ps);
bbss.at(rl) = bbs;
obss.at(rl) = obs;
pss.at(rl) = ps;
// make multigrid aware
MakeMultigridBoxes (cctkGH, bbss, obss, bbsss);
} // for rl
return 1;
}
} // namespace CarpetRegrid
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