discretization_pusher.h

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//
// Copyright (c) 2014 Limit Point Systems, Inc. 
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//


#ifndef DISCRETIZATION_PUSHER_H
#define DISCRETIZATION_PUSHER_H

#ifndef SHEAF_DLL_SPEC_H
#include "SheafSystem/sheaf_dll_spec.h"
#endif

#ifndef ANY_H
#include "SheafSystem/any.h"
#endif

namespace fiber_bundle
{
class sec_vd;
class section_space_schema_member;
}

namespace fields
{

using namespace sheaf;
using namespace fiber_bundle;
 

class discretization_push_action;

class SHEAF_DLL_SPEC discretization_pusher : public any
{

  // ===========================================================
  // ===========================================================

public:

  discretization_pusher();

  // Default memberwise copy constructor will do.

  virtual ~discretization_pusher();

  void push(const section_space_schema_member& xsrc,
            const sec_vd& xglobal_coord,
            discretization_push_action& xpush_action,
            bool xauto_access);

private:

  bool must_gather(
    const section_space_schema_member& xrange_schema,
    const section_space_schema_member& xglobal_coord_schema) const;

  bool must_map(
    const section_space_schema_member& xrange_schema,
    const section_space_schema_member& xglobal_coord_schema) const;

  bool must_evaluate(
    const section_space_schema_member& xrange_schema,
    const section_space_schema_member& xglobal_coord_schema) const;

  void push_gather_no_map_no_evaluate(const section_space_schema_member& xsrc,
                                      const sec_vd& xglobal_coord,
                                      discretization_push_action& xpush_action);

  void push_gather_no_map_evaluate(const section_space_schema_member& xsrc,
                                   const sec_vd& xglobal_coord,
                                   discretization_push_action& xpush_action);
  void push_no_gather_map_evaluate(const section_space_schema_member& xsrc,
                                   const sec_vd& xglobal_coord,
                                   discretization_push_action& xpush_action);



  // ===========================================================
  // ===========================================================

public:

  virtual bool invariant() const;


};


// ===========================================================
// NONMEMBER FUNCTIONS
// ===========================================================

 
} // namespace fields

#endif // ifndef DISCRETIZATION_PUSHER_H