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// This file is part of ff3d - http://www.freefem.org/ff3d
// Copyright (C) 2001, 2002, 2003 Stphane Del Pino
// This program 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 2, or (at your option)
// any later version.
// This program 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 this program; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// $Id: ScalarFunctionMeshElementsReferences.hpp,v 1.3 2006/10/28 12:26:54 delpinux Exp $
#ifndef SCALAR_FUNCTION_MESH_ELEMENTS_REFERENCES_HPP
#define SCALAR_FUNCTION_MESH_ELEMENTS_REFERENCES_HPP
#include <ScalarFunctionBase.hpp>
#include <ReferenceCounting.hpp>
#include <map>
class Mesh;
/**
* @file ScalarFunctionMeshElementsReferences.hpp
* @author Stephane Del Pino
* @date Thu Jul 20 10:48:50 2006
*
* @brief function defined by mesh element's references
*
*
*/
class ScalarFunctionMeshElementsReferences
: public ScalarFunctionBase
{
public:
typedef
std::map<size_t, ConstReferenceCounting<ScalarFunctionBase> >
FunctionMap; /**< @typedef association of reference
and function */
private:
FunctionMap
__functionMap; /**< associates refernces and
functions */
ConstReferenceCounting<Mesh>
__mesh; /**< the mesh */
/**
* Write a function to a stream
*
* @param os output stream
*
* @return os
*/
std::ostream& __put(std::ostream& os) const
{
os << "references(elements,{mesh}";
for (FunctionMap::const_iterator i = __functionMap.begin();
i != __functionMap.end(); ++i) {
os << ',' << i->first << ':' << *i->second;
}
os << ')';
return os;
}
/**
* Evaluates function at position @f$ X @f$
*
* @param X position
*
* @note this is a specialization according to mesh type
*
* @return @f$ f_{\mbox{ref}}(X) @f$
*/
template <typename MeshType>
real_t __evaluate(const TinyVector<3,real_t>& X) const;
public:
/**
* Evaluates function at position @f$ X @f$
*
* @param X position
*
* @return @f$ f_{\mbox{ref}}(X) @f$
*/
real_t operator()(const TinyVector<3, real_t>& X) const;
/**
* Checks if the function can be simplified
*
* @return false
*/
bool canBeSimplified() const
{
return false;
}
/**
* Constructor
*
* @param functionMap reference/function association
* @param mesh given mesh
*/
ScalarFunctionMeshElementsReferences(const FunctionMap& functionMap,
ConstReferenceCounting<Mesh> mesh);
/**
* Constructor
*
* @param f original function
*/
ScalarFunctionMeshElementsReferences(const ScalarFunctionMeshElementsReferences& f);
/**
* Destructor
*
*/
~ScalarFunctionMeshElementsReferences();
};
#endif // SCALAR_FUNCTION_MESH_ELEMENTS_REFERENCES_HPP
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