adding applySolutionWellState to apply solution from reservoir

to update well state.

With this way, the BlackoilModelEbos does not need to know the data type
assocated with different well type.

It is not well tested yet.

opm/autodiff/StandardWell_impl.hpp

@@ -1904,4 +1904,36 @@ namespace Opm
         duneC_.mmtv(invDrw_, r);
     }
 
+
+
+
+
+    template<typename TypeTag>
+    void
+    StandardWell<TypeTag>::
+    recoverSolutionWell(const BVector& x, BVector& xw) const
+    {
+        BVector resWell = resWell_;
+        // resWell = resWell - B * x
+        duneB_.mmv(x, resWell);
+        // xw = D^-1 * resWell
+        invDuneD_.mv(resWell, xw);
+    }
+
+
+
+
+
+    template<typename TypeTag>
+    void
+    StandardWell<TypeTag>::
+    applySolutionWellState(const BVector& x,
+                           const ModelParameters& param,
+                           WellState& well_state) const
+    {
+        BVector xw(1);
+        recoverSolutionWell(x, xw);
+        updateWellState(xw, param, well_state);
+    }
+
 }