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Commit 9777c495 authored by Martin Reinecke's avatar Martin Reinecke
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simplifications

parent bddb6c4f
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gridder_cxx.h
View file @ 9777c495
......@@ -823,6 +823,28 @@ template<typename T, typename T2=complex<T>> class Helper
}
};
template<class T, class Serv> class SubServ
{
private:
const Serv &srv;
const_mav<uint32_t,1> subidx;
public:
SubServ(const Serv &orig, const const_mav<uint32_t,1> &subidx_)
: srv(orig), subidx(subidx_){}
size_t Nvis() const { return subidx.size(); }
const Baselines &getBaselines() const { return srv.getBaselines(); }
UVW getCoord(size_t i) const
{ return srv.getCoord(subidx[i]); }
complex<T> getVis(size_t i) const
{ return srv.getVis(subidx[i]); }
uint32_t getIdx(size_t i) const { return srv.getIdx(subidx[i]); }
void setVis (size_t i, const complex<T> &v) const
{ srv.setVis(subidx[i], v); }
void addVis (size_t i, const complex<T> &v) const
{ srv.addVis(subidx[i], v); }
};
template<class T, class T2> class VisServ
{
private:
......@@ -842,9 +864,8 @@ template<class T, class T2> class VisServ
checkShape(idx.shape(), {nvis});
if (have_wgt) checkShape(wgt.shape(), {nvis});
}
VisServ(const VisServ &orig, const const_mav<uint32_t,1> &/*newidx*/)
: baselines(orig.baselines), idx(orig.idx), vis(orig.vis), wgt(orig.wgt)
{ myfail("must not happen"); }
SubServ<T, VisServ> getSubserv(const const_mav<uint32_t,1> &subidx) const
{ return SubServ<T, VisServ>(*this, subidx); }
size_t Nvis() const { return nvis; }
const Baselines &getBaselines() const { return baselines; }
UVW getCoord(size_t i) const
......@@ -856,7 +877,6 @@ template<class T, class T2> class VisServ
{ vis(i) = have_wgt ? v*wgt(i) : v; }
void addVis (size_t i, const complex<T> &v) const
{ vis(i) += have_wgt ? v*wgt(i) : v; }
bool isMsServ() const { return false; }
};
template<class T, class T2> VisServ<T, T2> makeVisServ
(const Baselines &baselines,
......@@ -882,8 +902,8 @@ template<class T, class T2> class MsServ
checkShape(ms.shape(), {baselines.Nrows(), baselines.Nchannels()});
if (have_wgt) checkShape(wgt.shape(), ms.shape());
}
MsServ(const MsServ &orig, const const_mav<uint32_t,1> &newidx)
: MsServ(orig.baselines, newidx, orig.ms, orig.wgt) {}
SubServ<T, MsServ> getSubserv(const const_mav<uint32_t,1> &subidx) const
{ return SubServ<T, MsServ>(*this, subidx); }
size_t Nvis() const { return nvis; }
const Baselines &getBaselines() const { return baselines; }
UVW getCoord(size_t i) const
......@@ -905,7 +925,6 @@ template<class T, class T2> class MsServ
auto rc = baselines.getRowChan(idx(i));
ms(rc.row, rc.chan) += have_wgt ? v*wgt(rc.row, rc.chan) : v;
}
bool isMsServ() const { return true; }
};
template<class T, class T2> MsServ<T, T2> makeMsServ
(const Baselines &baselines,
......@@ -1270,9 +1289,7 @@ template<typename T, typename Serv> void x2dirty(
wstack_common(gconf, srv, wmin, dw, nplanes, nvis_plane, minplane, verbosity);
dirty.fill(0);
vector<complex<T>> vis_loc_;
vector<uint32_t> idx_loc_;
vector<uint32_t> newidx;
vector<uint32_t> subidx;
tmpStorage<complex<T>,2> grid_({gconf.Nu(),gconf.Nv()});
auto grid=grid_.getMav();
tmpStorage<complex<T>,2> tdirty_(dirty.shape());
......@@ -1286,37 +1303,14 @@ template<typename T, typename Serv> void x2dirty(
double wcur = wmin+iw*dw;
size_t cnt=0;
newidx.resize(nvis_plane[iw]);
if (srv.isMsServ())
{
for (size_t ipart=0; ipart<nvis; ++ipart)
if ((int(iw)>=minplane[ipart]) && (iw<minplane[ipart]+supp))
newidx[cnt++] = srv.getIdx(ipart);
grid.fill(0);
auto newidx2 = const_mav<uint32_t, 1>(newidx.data(), {newidx.size()});
Serv newsrv(srv, newidx2);
x2grid_c(gconf, newsrv, grid, wcur, dw);
}
else
{
for (size_t ipart=0; ipart<nvis; ++ipart)
if ((int(iw)>=minplane[ipart]) && (iw<minplane[ipart]+supp))
newidx[cnt++] = ipart;
vis_loc_.resize(nvis_plane[iw]);
auto vis_loc = mav<complex<T>,1>(vis_loc_.data(), {nvis_plane[iw]});
idx_loc_.resize(nvis_plane[iw]);
auto idx_loc = mav<uint32_t,1>(idx_loc_.data(), {nvis_plane[iw]});
#pragma omp parallel for num_threads(nthreads)
for (size_t i=0; i<nvis_plane[iw]; ++i)
{
auto ipart = newidx[i];
vis_loc[i] = srv.getVis(ipart);
idx_loc[i] = srv.getIdx(ipart);
}
grid.fill(0);
vis2grid_c(srv.getBaselines(), gconf, cmav(idx_loc), cmav(vis_loc), grid,
nullmav<T,1>(), wcur, dw);
}
subidx.resize(nvis_plane[iw]);
for (size_t ipart=0; ipart<nvis; ++ipart)
if ((int(iw)>=minplane[ipart]) && (iw<minplane[ipart]+supp))
subidx[cnt++] = ipart;
auto subidx2 = const_mav<uint32_t, 1>(subidx.data(), {subidx.size()});
auto subsrv = srv.getSubserv(subidx2);
grid.fill(0);
x2grid_c(gconf, subsrv, grid, wcur, dw);
gconf.grid2dirty_c(cmav(grid), tdirty);
gconf.apply_wscreen(cmav(tdirty), tdirty, wcur, true);
#pragma omp parallel for num_threads(nthreads)
......@@ -1379,9 +1373,7 @@ template<typename T, typename Serv> void dirty2x(
// correct for w gridding
apply_wcorr(gconf, tdirty, ES_Kernel_with_correction(supp, nthreads), dw);
vector<complex<T>> vis_loc_;
vector<uint32_t> idx_loc_;
vector<uint32_t> newidx;
vector<uint32_t> subidx;
tmpStorage<complex<T>,2> grid_({gconf.Nu(),gconf.Nv()});
auto grid=grid_.getMav();
tmpStorage<complex<T>,2> tdirty2_({nx_dirty,ny_dirty});
......@@ -1401,36 +1393,14 @@ template<typename T, typename Serv> void dirty2x(
gconf.apply_wscreen(cmav(tdirty2), tdirty2, wcur, false);
gconf.dirty2grid_c(cmav(tdirty2), grid);
newidx.resize(nvis_plane[iw]);
subidx.resize(nvis_plane[iw]);
size_t cnt=0;
if (srv.isMsServ())
{
for (size_t ipart=0; ipart<nvis; ++ipart)
if ((int(iw)>=minplane[ipart]) && (iw<minplane[ipart]+supp))
newidx[cnt++] = srv.getIdx(ipart);
auto newidx2 = const_mav<uint32_t, 1>(newidx.data(), {newidx.size()});
Serv newsrv(srv, newidx2);
grid2x_c(gconf, cmav(grid), newsrv, wcur, dw);
}
else
{
for (size_t ipart=0; ipart<nvis; ++ipart)
if ((int(iw)>=minplane[ipart]) && (iw<minplane[ipart]+supp))
newidx[cnt++] = ipart;
vis_loc_.resize(nvis_plane[iw]);
auto vis_loc = mav<complex<T>,1>(vis_loc_.data(), {nvis_plane[iw]});
vis_loc.fill(0);
idx_loc_.resize(nvis_plane[iw]);
auto idx_loc = mav<uint32_t,1>(idx_loc_.data(), {nvis_plane[iw]});
#pragma omp parallel for num_threads(nthreads)
for (size_t i=0; i<nvis_plane[iw]; ++i)
idx_loc[i] = srv.getIdx(newidx[i]);
grid2vis_c(srv.getBaselines(), gconf, cmav(idx_loc), cmav(grid), vis_loc,
nullmav<T,1>(), wcur, dw);
#pragma omp parallel for num_threads(nthreads)
for (size_t i=0; i<nvis_plane[iw]; ++i)
srv.addVis(newidx[i], vis_loc[i]);
}
for (size_t ipart=0; ipart<nvis; ++ipart)
if ((int(iw)>=minplane[ipart]) && (iw<minplane[ipart]+supp))
subidx[cnt++] = ipart;
auto subidx2 = const_mav<uint32_t, 1>(subidx.data(), {subidx.size()});
auto subsrv = srv.getSubserv(subidx2);
grid2x_c(gconf, cmav(grid), subsrv, wcur, dw);
}
}
else
......
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