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#include <cctk.h>
#include <cctk_Parameters.h>
#include <algorithm>
#include <cassert>
#include <cmath>
#include <cstdlib>
#include <hrscc.hh>
#include "operator_prototypes_3d.hh"
#include "typeprops.hh"
using namespace std;
#ifdef HRSCC_GLL_ELEMENT_HH
using namespace hrscc;
#endif
namespace CarpetLib {
#define SRCIND3(i,j,k) \
index3 (i, j, k, \
srcipadext, srcjpadext, srckpadext, \
srciext, srcjext, srckext)
#define DSTIND3(i,j,k) \
index3 (i, j, k, \
dstipadext, dstjpadext, dstkpadext, \
dstiext, dstjext, dstkext)
#define SRCOFF3(i,j,k) \
offset3 (i, j, k, \
srciext, srcjext, srckext)
#define DSTOFF3(i,j,k) \
offset3 (i, j, k, \
dstiext, dstjext, dstkext)
template<typename T, int ORDER>
void
restrict_3d_dgfe_rf2(T const *restrict const src,
ivect3 const& restrict srcpadext,
ivect3 const& restrict srcext,
T *restrict const dst,
ivect3 const& restrict dstpadext,
ivect3 const& restrict dstext,
ibbox3 const& restrict srcbbox,
ibbox3 const& restrict dstbbox,
ibbox3 const& restrict,
ibbox3 const& restrict regbbox,
void *const extraargs)
{
#ifdef HRSCC_GLL_ELEMENT_HH
assert(not extraargs);
static_assert(ORDER>=0, "ORDER must be non-negative");
if (any(srcbbox.stride() >= regbbox.stride() or
dstbbox.stride() != regbbox.stride()))
{
CCTK_WARN(0, "Internal error: strides disagree");
}
if (any(reffact2 * srcbbox.stride() != dstbbox.stride())) {
CCTK_WARN(0, "Internal error: destination strides are not twice the source strides");
}
// This could be handled, but is likely to point to an error
// elsewhere
if (regbbox.empty()) {
CCTK_WARN(0, "Internal error: region extent is empty");
}
if (not regbbox.expanded_for(srcbbox).is_contained_in(srcbbox) or
not regbbox.is_contained_in(dstbbox))
{
CCTK_WARN(0, "Internal error: region extent is not contained in array extent");
}
ivect3 const regext = regbbox.shape() / regbbox.stride();
assert(all(srcbbox.stride() % 2 == 0));
assert(all((regbbox.lower() - srcbbox.lower() - srcbbox.stride() / 2) %
srcbbox.stride() == 0));
ivect3 const srcoff =
(regbbox.lower() - srcbbox.lower() - srcbbox.stride() / 2) /
srcbbox.stride();
assert(all((regbbox.lower() - dstbbox.lower()) % dstbbox.stride() == 0));
ivect3 const dstoff =
(regbbox.lower() - dstbbox.lower()) / dstbbox.stride();
ptrdiff_t const srcipadext = srcpadext[0];
ptrdiff_t const srcjpadext = srcpadext[1];
ptrdiff_t const srckpadext = srcpadext[2];
ptrdiff_t const dstipadext = dstpadext[0];
ptrdiff_t const dstjpadext = dstpadext[1];
ptrdiff_t const dstkpadext = dstpadext[2];
ptrdiff_t const srciext = srcext[0];
ptrdiff_t const srcjext = srcext[1];
ptrdiff_t const srckext = srcext[2];
ptrdiff_t const dstiext = dstext[0];
ptrdiff_t const dstjext = dstext[1];
ptrdiff_t const dstkext = dstext[2];
ptrdiff_t const regiext = regext[0];
ptrdiff_t const regjext = regext[1];
ptrdiff_t const regkext = regext[2];
ptrdiff_t const srcioff = srcoff[0];
ptrdiff_t const srcjoff = srcoff[1];
ptrdiff_t const srckoff = srcoff[2];
ptrdiff_t const dstioff = dstoff[0];
ptrdiff_t const dstjoff = dstoff[1];
ptrdiff_t const dstkoff = dstoff[2];
// int const srcdi = SRCOFF3(1,0,0) - SRCOFF3(0,0,0);
int const srcdi = 1;
assert(srcdi == SRCOFF3(1,0,0) - SRCOFF3(0,0,0));
int const srcdj = SRCOFF3(0,1,0) - SRCOFF3(0,0,0);
int const srcdk = SRCOFF3(0,0,1) - SRCOFF3(0,0,0);
// int const dstdi = DSTOFF3(1,0,0) - DSTOFF3(0,0,0);
int const dstdi = 1;
assert(dstdi == DSTOFF3(1,0,0) - DSTOFF3(0,0,0));
int const dstdj = DSTOFF3(0,1,0) - DSTOFF3(0,0,0);
int const dstdk = DSTOFF3(0,0,1) - DSTOFF3(0,0,0);
int const srcstr[3] = {srcdi, srcdj, srcdk};
int const dststr[3] = {dstdi, dstdj, dstdk};
// Ensure we traverse an integer number of elements
assert(all(regext % (ORDER+1) == 0));
// Loop over coarse region
#pragma omp parallel for collapse(3)
// Zwicky's Intel compiler 11.1 ices on ptrdiff_t
for (/*ptrdiff_t*/int k=0; k<regkext; k+=ORDER+1) {
for (/*ptrdiff_t*/int j=0; j<regjext; j+=ORDER+1) {
for (/*ptrdiff_t*/int i=0; i<regiext; i+=ORDER+1) {
GLLElement<ORDER>::restrict_full
(&src[SRCIND3(srcioff+2*i, srcjoff+2*j, srckoff+2*k)], srcstr,
&dst[DSTIND3(dstioff+i, dstjoff+j, dstkoff+k)], dststr);
}
}
}
#else
// HRSCCore is not available
assert(0);
#endif
}
#define TYPECASE(N,T) \
template \
void \
restrict_3d_dgfe_rf2<T,5>(T const *restrict const src, \
ivect3 const& restrict srcpadext, \
ivect3 const& restrict srcext, \
T *restrict const dst, \
ivect3 const& restrict dstpadext, \
ivect3 const& restrict dstext, \
ibbox3 const& restrict srcbbox, \
ibbox3 const& restrict dstbbox, \
ibbox3 const& restrict, \
ibbox3 const& restrict regbbox, \
void *extraargs);
#define CARPET_NO_INT
#define CARPET_NO_COMPLEX
#include "typecase.hh"
#undef TYPECASE
template<>
void
restrict_3d_dgfe_rf2<CCTK_COMPLEX,5>(CCTK_COMPLEX const *restrict const src,
ivect3 const& restrict srcpadext,
ivect3 const& restrict srcext,
CCTK_COMPLEX *restrict const dst,
ivect3 const& restrict dstpadext,
ivect3 const& restrict dstext,
ibbox3 const& restrict srcbbox,
ibbox3 const& restrict dstbbox,
ibbox3 const& restrict,
ibbox3 const& restrict regbbox,
void *extraargs)
{
assert(0);
}
} // namespace CarpetLib
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