added: StandardWellAssemble

this handles assembly of the equation system for standardwell.
start by moving assembleControlEq into the new class

opm/simulators/wells/StandardWellAssemble.hpp

@@ -0,0 +1,71 @@
+/*
+  Copyright 2017 SINTEF Digital, Mathematics and Cybernetics.
+  Copyright 2017 Statoil ASA.
+  Copyright 2016 - 2017 IRIS AS.
+
+  This file is part of the Open Porous Media project (OPM).
+
+  OPM is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  OPM is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with OPM.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+
+#ifndef OPM_STANDARDWELL_ASSEMBLE_HEADER_INCLUDED
+#define OPM_STANDARDWELL_ASSEMBLE_HEADER_INCLUDED
+
+#include <functional>
+
+namespace Opm
+{
+
+class DeferredLogger;
+class GroupState;
+class Schedule;
+template<class Scalar, int numEq> class StandardWellEquations;
+class SummaryState;
+template<class FluidSystem> class WellInterfaceFluidSystem;
+class WellState;
+
+//! \brief Class handling assemble of the equation system for StandardWell.
+template<class FluidSystem, class Indices, class Scalar>
+class StandardWellAssemble
+{
+public:
+    //! \brief Constructor initializes reference to well.
+    StandardWellAssemble(const WellInterfaceFluidSystem<FluidSystem>& well)
+        : well_(well)
+    {}
+
+    //! \brief Assemble control equation.
+    template<class EvalWell>
+    void assembleControlEq(const WellState& well_state,
+                           const GroupState& group_state,
+                           const Schedule& schedule,
+                           const SummaryState& summaryState,
+                           const int numWellEq,
+                           const EvalWell& wqTotal,
+                           const EvalWell& bhp,
+                           const std::function<EvalWell(int)>& getQs,
+                           const double rho,
+                           const int Bhp,
+                           StandardWellEquations<Scalar,Indices::numEq>& eqns,
+                           DeferredLogger& deferred_logger) const;
+
+
+private:
+    const WellInterfaceFluidSystem<FluidSystem>& well_; //!< Reference to well
+};
+
+}
+
+#endif // OPM_STANDARDWELL_ASSEMBLE_HEADER_INCLUDED