Added support for the Two index Symmetric and Antisymmetric representations

Tested for HMC convergence: OK
Added also a test file showing an example for mixed representations

lib/qcd/action/fermion/FermionOperatorImpl.h

@@ -522,7 +522,11 @@ namespace Grid {
     typedef WilsonImpl<vComplex,  AdjointRepresentation > WilsonAdjImplR;   // Real.. whichever prec
     typedef WilsonImpl<vComplexF, AdjointRepresentation > WilsonAdjImplF;  // Float
     typedef WilsonImpl<vComplexD, AdjointRepresentation > WilsonAdjImplD;  // Double
-    
+
+    typedef WilsonImpl<vComplex,  TwoIndexSymmetricRepresentation > WilsonTwoIndexSymmetricImplR;   // Real.. whichever prec
+    typedef WilsonImpl<vComplexF, TwoIndexSymmetricRepresentation > WilsonTwoIndexSymmetricImplF;  // Float
+    typedef WilsonImpl<vComplexD, TwoIndexSymmetricRepresentation > WilsonTwoIndexSymmetricImplD;  // Double
+
     typedef DomainWallVec5dImpl<vComplex ,Nc> DomainWallVec5dImplR; // Real.. whichever prec
     typedef DomainWallVec5dImpl<vComplexF,Nc> DomainWallVec5dImplF; // Float
     typedef DomainWallVec5dImpl<vComplexD,Nc> DomainWallVec5dImplD; // Double

lib/qcd/action/fermion/WilsonFermion.cc

@@ -309,6 +309,7 @@ void WilsonFermion<Impl>::DhopInternal(StencilImpl &st, LebesgueOrder &lo,
 
 FermOpTemplateInstantiate(WilsonFermion);
 AdjointFermOpTemplateInstantiate(WilsonFermion);
+TwoIndexFermOpTemplateInstantiate(WilsonFermion);
 GparityFermOpTemplateInstantiate(WilsonFermion);
 }
 }

lib/qcd/action/fermion/WilsonKernels.cc

@@ -526,6 +526,7 @@ void WilsonKernels<Impl>::DiracOptDhopDir(
 
 FermOpTemplateInstantiate(WilsonKernels);
 AdjointFermOpTemplateInstantiate(WilsonKernels);
+TwoIndexFermOpTemplateInstantiate(WilsonKernels);
 
 }}