Hadrons: new solver exposing fermion matrix and generic source/solve import/export

extras/Hadrons/Modules/MSolver/RBPrecCG.hpp

@@ -32,6 +32,7 @@ See the full license in the file "LICENSE" in the top level distribution directo
 #include <Grid/Hadrons/Global.hpp>
 #include <Grid/Hadrons/Module.hpp>
 #include <Grid/Hadrons/ModuleFactory.hpp>
+#include <Grid/Hadrons/Solver.hpp>
 #include <Grid/Hadrons/EigenPack.hpp>
 
 BEGIN_HADRONS_NAMESPACE
@@ -55,7 +56,8 @@ template <typename FImpl, int nBasis>
 class TRBPrecCG: public Module<RBPrecCGPar>
 {
 public:
-    FGS_TYPE_ALIASES(FImpl,);
+    FG_TYPE_ALIASES(FImpl,);
+    SOLVER_TYPE_ALIASES(FImpl,);
     typedef FermionEigenPack<FImpl>                       EPack;
     typedef CoarseFermionEigenPack<FImpl, nBasis>         CoarseEPack;
     typedef std::shared_ptr<Guesser<FermionField>>        GuesserPt;
@@ -175,7 +177,7 @@ void TRBPrecCG<FImpl, nBasis>::setup(void)
         
         schurSolver(mat, source, sol, *guesser);
     };
-    envCreate(SolverFn, getName(), Ls, solver);
+    envCreate(Solver, getName(), Ls, solver, mat);
 }