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#include <cassert>
#include <vector>
#include "cctk.h"
#include "cctk_Parameters.h"
#include "util_ErrorCodes.h"
#include "util_Table.h"
#include "carpet.hh"
#include "TATelliptic.h"
#include "dist.hh"
#include <petscvec.h>
#ifdef CCTK_CXX_RESTRICT
# define restrict CCTK_CXX_RESTRICT
#endif
namespace CarpetPETSc {
using namespace std;
using namespace Carpet;
char const * const solver_name = "CarpetPETSc";
struct options_t {
// Width of outer boundary
CCTK_INT bndwidth;
// Symmetry information
CCTK_INT symmetry_handle[2*dim];
CCTK_INT symmetry_zone_width[2*dim];
};
void
copy_in (cGH const * restrict const cctkGH,
Vec dst,
vector<CCTK_INT> const & src,
options_t const & options);
void
copy_out (cGH const * restrict const cctkGH,
vector<CCTK_INT> const & dst,
Vec const src,
options_t const & options);
int
solve (cGH const * const cctkGH,
int const * const var,
int const * const val,
int const nvars,
int const options_table,
int (* const fun) (cGH const * cctkGH,
int options_table,
void * data),
int (* const bnd) (cGH const * cctkGH,
int options_table,
void * data),
void * const data)
{
DECLARE_CCTK_PARAMETERS;
}
void
copy_in (cGH const * restrict const cctkGH,
Vec dst,
vector<CCTK_INT> const & src,
options_t const & options)
{
double * restrict dstptr;
VecGetArray (dst, & dstptr);
PetscInt dstsize;
VecGetSize (dst, & dstsize);
int dstind = 0;
BEGIN_MAP_LOOP (cctkGH, CCTK_GF) {
BEGIN_LOCAL_COMPONENT_LOOP (cctkGH, CCTK_GF) {
DECLARE_CCTK_ARGUMENTS;
vector <CCTK_REAL const *> srcptrs (src.size());
for (int n = 0; n < src.size(); ++ n) {
srcptrs.at(n) =
static_cast<CCTK_REAL const *>
(CCTK_VarDataPtrI (cctkGH, 0, src.at(n)));
assert (srcptrs.at(n));
}
int imin[3], imax[3];
interior_shape (cctkGH, options, imin, imax);
for (int k=imin[2]; k<imax[2]; ++k) {
for (int j=imin[1]; j<imax[1]; ++j) {
for (int i=imin[0]; i<imax[0]; ++i) {
int const srcind = CCTK_GFINDEX3D (cctkGH, i, j, k);
for (int n = 0; n < src.size(); ++ n) {
assert (dstind < dstsize);
dstptr[dstind] = srcptr[srcind];
++ dstind;
}
}
}
}
} END_LOCAL_COMPONENT_LOOP;
} END_MAP_LOOP;
}
void
copy_out (cGH const * restrict const cctkGH,
vector<CCTK_INT> const & dst,
Vec const src,
options_t const & options)
{
double const * restrict srcptr;
VecGetArray (src, & srcptr);
PetscInt srcsize;
VecGetSize (dst, & srcsize);
int srcind = 0;
BEGIN_MAP_LOOP (cctkGH, CCTK_GF) {
BEGIN_LOCAL_COMPONENT_LOOP (cctkGH, CCTK_GF) {
DECLARE_CCTK_ARGUMENTS;
vector <CCTK_REAL *> dstptrs (dst.size());
for (int n = 0; n < dst.size(); ++ n) {
dstptrs.at(n) =
static_cast<CCTK_REAL *> (CCTK_VarDataPtrI (cctkGH, 0, dst.at(n)));
assert (dstptrs.at(n));
}
int imin[3], imax[3];
interior_shape (cctkGH, options, imin, imax);
for (int k=imin[2]; k<imax[2]; ++k) {
for (int j=imin[1]; j<imax[1]; ++j) {
for (int i=imin[0]; i<imax[0]; ++i) {
int const dstind = CCTK_GFINDEX3D (cctkGH, i, j, k);
for (int n = 0; n < src.size(); ++ n) {
assert (srcind < srcsize);
dstptr[dstind] = srcptr[srcind];
++ srcind;
}
}
}
}
} END_LOCAL_COMPONENT_LOOP;
} END_MAP_LOOP;
}
// Calculate the shape of the interior
void
interior_shape (cGH const * restrict const cctkGH,
options_t const & options,
int * restrict const imin,
int * restrict const imax)
{
DECLARE_CCTK_ARGUMENTS;
for (int d=0; d<dim; ++d) {
imin[d] = 0;
if (cctk_bbox[2*d]) {
if (options.symmetry_handle[2*d] >= 0) {
imin[d] += options.symmetry_zone_width[2*d];
} else {
imin[d] += options.bndwidth;
}
} else {
imin[d] += cctk_nghostzones[d];
}
imax[d] = cctk_lsh[d];
if (cctk_bbox[2*d+1]) {
if (options.symmetry_handle[2*d+1] >= 0) {
imax[d] -= options.symmetry_zone_width[2*d+1];
} else {
imax[d] -= options.bndwidth;
}
} else {
imax[d] -= cctk_nghostzones[d];
}
assert (imin[d] <= imax[d]);
} // for d
}
} // namespace CarpetPETSc
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