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Lower left/upper right region cut paste

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This commit is contained in:
Peter Boyle 2020-02-06 15:50:26 -05:00
parent ef9b3e658a
commit 68b45f6444
1 changed files with 38 additions and 0 deletions
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38
Grid/lattice/Lattice_transfer.h
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@ -439,6 +439,44 @@ void localConvert(const Lattice<vobj> &in,Lattice<vvobj> &out)
});
}
template<class vobj>
void localCopyRegion(const Lattice<vobj> &From,Lattice<vobj> & To,Coordinate FromLowerLeft, Coordinate ToLowerLeft, Coordinate RegionSize)
{
typedef typename vobj::scalar_object sobj;
GridBase *Fg = From.Grid();
GridBase *Tg = To.Grid();
int nF = Fg->_ndimension;
int nT = Tg->_ndimension;
int nd = nF;
assert(nF == nT);
for(int d=0;d<nd;d++){
assert(Fg->_processors[d] == Tg->_processors[d]);
// assert(Fg->_ldimensions[d] == Tg->_ldimensions[d]);
}
// the above should guarantee that the operations are local
thread_for(idx,Fg->lSites(),{
sobj s;
Coordinate Fcoor(nd);
Coordinate Tcoor(nd);
Fg->LocalIndexToLocalCoor(idx,Fcoor);
int in_region=1;
// can now repromote to threaded loop
for(int d=0;d<nd;d++){
if ( (Fcoor[d] < FromLowerLeft[d]) || (Fcoor[d]>=FromLowerLeft[d]+RegionSize[d]) ){
in_region=0;
}
Tcoor[d] = ToLowerLeft[d]+ Fcoor[d]-FromLowerLeft[d];
}
if (in_region) {
peekLocalSite(s,From,Fcoor);
pokeLocalSite(s,To ,Tcoor);
}
});
}
template<class vobj>
void InsertSlice(const Lattice<vobj> &lowDim,Lattice<vobj> & higherDim,int slice, int orthog)