copied perambulato code into PerambLight.hpp

Hadrons/Modules/MDistil/PerambLight.hpp

@@ -68,6 +68,43 @@ std::vector<std::string> Tperambulator_l<FImpl>::getOutput(void)
 template <typename FImpl>
 void Tperambulator_l<FImpl>::setup(void)
 {
+/*
+    std::cout << "Compute perambulator from timeslice " << tsrc << std::endl;
+
+    LatticeSpinColourVector dist_source(grid4d);
+    LatticeSpinColourVector tmp2(grid4d);
+    LatticeSpinColourVector tmp3d(grid3d);
+    LatticeColourVector tmp3d_nospin(grid3d);
+    LatticeColourVector evec3d(grid3d);
+    LatticeColourVector tmp_nospin(grid4d);
+
+    LatticeColourVector result_tmp(grid3d);
+
+    LatticeSpinVector peramb_tmp(grid4d);
+    LatticeFermion result(grid4d); result=zero; //Fermion = SpinColourVector!!!
+    LatticeFermion result_single_component(grid4d); result_single_component=zero; //Fermion = SpinColourVector!!!
+    LatticeColourVector result_nospin(grid4d); result_nospin=zero; //Fermion = SpinColourVector!!!
+    LatticeColourVector result_3d(grid3d); result_3d=zero; //Fermion = SpinColourVector!!!
+    LatticeFermion result_test(grid3d); result_test=zero; //Fermion = SpinColourVector!!!
+
+
+    Real mass=SPar.mass;    // TODO Infile
+    Real M5  =SPar.M5;     // TODO Infile
+    std::cout << "init RBG "  << std::endl;
+    GridRedBlackCartesian RBGrid(grid4d);
+    std::cout << "init RBG done"  << std::endl;
+
+    GridCartesian         * FGrid   = SpaceTimeGrid::makeFiveDimGrid(DPar.Ls,grid4d);
+    GridRedBlackCartesian * FrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(DPar.Ls,grid4d);
+
+    typedef DomainWallFermionR FermionAction;
+
+    FermionAction Dop(Umu,*FGrid,*FrbGrid,*grid4d,RBGrid,mass,M5);
+
+    MdagMLinearOperator<FermionAction,LatticeFermion> HermOp(Dop);
+    ConjugateGradient<LatticeFermion> CG(SPar.CGPrecision,SPar.MaxIterations);
+    SchurRedBlackDiagMooeeSolve<LatticeFermion> SchurSolver(CG);
+*/
     
 }
 
@@ -75,7 +112,68 @@ void Tperambulator_l<FImpl>::setup(void)
 template <typename FImpl>
 void Tperambulator_l<FImpl>::execute(void)
 {
-    
+/*
+    for (int inoise = 0; inoise < nnoise; inoise++) {
+      for (int dk = 0; dk < LI; dk++) {
+        for (int dt = 0; dt < Nt_inv; dt++) {
+          if(full_tdil) dt=tsrc; //this works for now, as longs as tsrc=0, but will crash otherwise!
+          for (int ds = 0; ds < Ns; ds++) {
+            std::cout <<  "LapH source vector from noise " << inoise << " and dilution component (d_k,d_t,d_alpha) : (" << dk << ","<< dt << "," << ds << ")" << std::endl;
+            dist_source = zero;
+            tmp3d_nospin = zero;
+            evec3d = zero;
+            for (int it = dt; it < Nt; it += TI){
+              if( it >= Ntfirst && it < Ntfirst + Ntlocal ) {
+                for (int ik = dk; ik < nvec; ik += LI){
+                  for (int is = ds; is < Ns; is += Ns){ //at the moment, full spin dilution is enforced
+                    std::cout <<  "LapH source vector from noise " << it << " and dilution component (d_k,d_t,d_alpha) : (" << ik << ","<< is << ")" << std::endl;
+                    ExtractSliceLocal(evec3d,eig4d.evec[ik],0,it,3);
+                    tmp3d_nospin = evec3d * noises[inoise][it][ik]()(is)(); //noises do not have to be a spin vector
+                    tmp3d=zero;
+                    pokeSpin(tmp3d,tmp3d_nospin,is);
+                    tmp2=zero;
+#ifdef USE_LOCAL_SLICES
+                    InsertSliceLocal(tmp3d,tmp2,0,it-Ntfirst,Grid::QCD::Tdir);
+#else
+                    InsertSlice(tmp3d,tmp2,it,Grid::QCD::Tdir);
+#endif
+                    dist_source += tmp2;
+                  }
+                }
+              }
+            }
+            std::cout <<  "Inversion for noise " << inoise << " and dilution component (d_k,d_t,d_alpha) : (" << dk << ","<< dt << "," << ds << ")" << std::endl;
+            result=zero;
+            LatticeFermion src5(FGrid);
+            LatticeFermion sol5(FGrid);
+            Dop.ImportPhysicalFermionSource(dist_source,src5);
+            SchurSolver(Dop,src5,sol5);
+            Dop.ExportPhysicalFermionSolution(sol5,result); //These are the meson sinks
+            if (compute_current_sink)
+              current_sink[inoise+nnoise*(dk+LI*(dt+Nt_inv*ds))] = result;
+            std::cout <<  "Contraction of perambulator from noise " << inoise << " and dilution component (d_k,d_t,d_alpha) : (" << dk << ","<< dt << "," << ds << ")" << std::endl;
+            for (int is = 0; is < Ns; is++) {
+              result_nospin = peekSpin(result,is);
+              for (int t = Ntfirst; t < Ntfirst + Ntlocal; t++) {
+#ifdef USE_LOCAL_SLICES
+                ExtractSliceLocal(result_3d,result_nospin,0,t-Ntfirst,Grid::QCD::Tdir);
+#else
+                ExtractSlice(result_3d,result_nospin,t,3);
+#endif
+                for (int ivec = 0; ivec < nvec; ivec++) {
+                  ExtractSliceLocal(evec3d,eig4d.evec[ivec],0,t,3);
+                  pokeSpin(perambulator(t, ivec, dk, inoise,dt,ds),innerProduct(evec3d, result_3d),is);
+                }
+          }
+        }
+      }
+    }
+    std::cout <<  "perambulator done" << std::endl;
+    perambulator.SliceShare( grid3d, grid4d );
+
+    // THIS IS WHERE WE WANT TO SAVE THE PERAMBULATORS TO DISK
+    perambulator.WriteTemporary(std::string(pszPerambPack));
+*/
 }
 
 END_MODULE_NAMESPACE