Starting the implementation of wilson; incomplete and committing non-functional code which

is not yet included from elsewhere or linked to the build system.

lib/qcd/Grid_qcd_wilson_dop.h

@@ -0,0 +1,62 @@
+#ifnfdef GRID_QCD_WILSON_DOP_H
+#define  GRID_QCD_WILSON_DOP_H
+
+#include <Grid.h>
+
+namespace Grid {
+
+  namespace QCD {
+
+
+    template<class vtype> class LinearOperatorBase {
+    public:
+      void multiply(const Lattice<vtype> &in, Lattice<vtype> &out){ assert(0);}
+    };
+
+    class WilsonMatrix : public LinearOperatorBase<LatticeFermion>
+    {
+      //NB r=1;
+    public:
+      double                        mass;
+      GridBase                     *grid;
+
+      // Copy of the gauge field 
+      LatticeGaugeField             Umu;
+
+      //Defines the stencil
+      CartesianStencil              Stencil; 
+      static const int npoint=9;
+      static const std::vector<int> directions   ;
+      static const std::vector<int> displacements;
+
+      static const int Xp,Xm,Yp,Ym,Zp,Zm,Tp,Tm;
+
+      // Comms buffer
+      std::vector<vSpinColourVector,alignedAllocator<vSpinColourVector> >  comm_buf;
+
+      // Constructor
+      WilsonMatrix(LatticeGaugeField &Umu,int mass);
+
+      // override multiply
+      void multiply(const LatticeFermion &in, LatticeFermion &out);
+
+      // non-hermitian hopping term; half cb or both
+      void Dhop(const LatticeFermion &in, LatticeFermion &out);
+
+      // m+4r -1/2 Dhop; both cb's
+      void Dw(const LatticeFermion &in, LatticeFermion &out);
+
+      // half checkerboard operaions
+      void MpcDag   (const LatticeFermion &in, LatticeFermion &out);
+      void Mpc      (const LatticeFermion &in, LatticeFermion &out);
+      void MpcDagMpc(const LatticeFermion &in, LatticeFermion &out);
+
+      // full checkerboard hermitian
+      void MDagM    (const LatticeFermion &in, LatticeFermion &out);
+
+      
+    };
+
+  }
+}
+#endif