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The user can now specify the implementation of Cshift used by the PaddedCell class through a virtual base class API. Implementations for default (regular Cshift) and for gauge links (which respects the gauge BCs)

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Fixed const-correctness for PaddedCell and ConjugateGimpl::setDirections
Modified test code for padded-cell implementation of staple, rect-staple to use cconj BCs
This commit is contained in:
Christopher Kelly
2023-06-20 17:09:56 -04:00
parent abc658dca5
commit 7b11075102
3 changed files with 36 additions and 17 deletions
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28
Grid/lattice/PaddedCell.h
View File

@ -28,12 +28,28 @@ Author: Peter Boyle pboyle@bnl.gov
NAMESPACE_BEGIN(Grid);
//Allow the user to specify how the C-shift is performed, e.g. to respect the appropriate boundary conditions
template<typename vobj>
struct CshiftImplBase{
virtual Lattice<vobj> Cshift(const Lattice<vobj> &in, int dir, int shift) const = 0;
virtual ~CshiftImplBase(){}
};
template<typename vobj>
struct CshiftImplDefault: public CshiftImplBase<vobj>{
Lattice<vobj> Cshift(const Lattice<vobj> &in, int dir, int shift) const override{ return Grid::Cshift(in,dir,shift); }
};
template<typename Gimpl>
struct CshiftImplGauge: public CshiftImplBase<typename Gimpl::GaugeLinkField::vector_object>{
typename Gimpl::GaugeLinkField Cshift(const typename Gimpl::GaugeLinkField &in, int dir, int shift) const override{ return Gimpl::CshiftLink(in,dir,shift); }
};
class PaddedCell {
public:
GridCartesian * unpadded_grid;
int dims;
int depth;
std::vector<GridCartesian *> grids;
~PaddedCell()
{
DeleteGrids();
@ -77,7 +93,7 @@ public:
}
};
template<class vobj>
inline Lattice<vobj> Extract(Lattice<vobj> &in)
inline Lattice<vobj> Extract(const Lattice<vobj> &in)
{
Lattice<vobj> out(unpadded_grid);
@ -88,19 +104,19 @@ public:
return out;
}
template<class vobj>
inline Lattice<vobj> Exchange(Lattice<vobj> &in)
inline Lattice<vobj> Exchange(const Lattice<vobj> &in, const CshiftImplBase<vobj> &cshift = CshiftImplDefault<vobj>())
{
GridBase *old_grid = in.Grid();
int dims = old_grid->Nd();
Lattice<vobj> tmp = in;
for(int d=0;d<dims;d++){
tmp = Expand(d,tmp); // rvalue && assignment
tmp = Expand(d,tmp,cshift); // rvalue && assignment
}
return tmp;
}
// expand up one dim at a time
template<class vobj>
inline Lattice<vobj> Expand(int dim,Lattice<vobj> &in)
inline Lattice<vobj> Expand(int dim, const Lattice<vobj> &in, const CshiftImplBase<vobj> &cshift = CshiftImplDefault<vobj>())
{
GridBase *old_grid = in.Grid();
GridCartesian *new_grid = grids[dim];//These are new grids
@ -117,12 +133,12 @@ public:
InsertSliceLocal(in,padded,x,depth+x,dim);
}
// High bit
shifted = Cshift(in,dim,depth);
shifted = cshift.Cshift(in,dim,depth);
for(int x=0;x<depth;x++){
InsertSliceLocal(shifted,padded,local[dim]-depth+x,depth+local[dim]+x,dim);
}
// Low bit
shifted = Cshift(in,dim,-depth);
shifted = cshift.Cshift(in,dim,-depth);
for(int x=0;x<depth;x++){
InsertSliceLocal(shifted,padded,x,x,dim);
}

2
Grid/qcd/action/gauge/GaugeImplementations.h
View File

@ -176,7 +176,7 @@ public:
return PeriodicBC::CshiftLink(Link,mu,shift);
}
static inline void setDirections(std::vector<int> &conjDirs) { _conjDirs=conjDirs; }
static inline void setDirections(const std::vector<int> &conjDirs) { _conjDirs=conjDirs; }
static inline std::vector<int> getDirections(void) { return _conjDirs; }
static inline bool isPeriodicGaugeField(void) { return false; }
};