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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: FEMFunctionBuilder.hpp,v 1.5 2007/05/20 23:22:26 delpinux Exp $
#ifndef FEM_FUNCTION_BUILDER_HPP
#define FEM_FUNCTION_BUILDER_HPP
#include <ReferenceCounting.hpp>
#include <Vector.hpp>
class ScalarFunctionBase;
class FEMFunctionBase;
class Mesh;
/**
* @file FEMFunctionBuilder.hpp
* @author Stephane Del Pino
* @date Wed Jul 19 18:11:58 2006
*
* @brief Factory for finite element functions
*
*
*/
class FEMFunctionBuilder
{
private:
ReferenceCounting<FEMFunctionBase>
__builtFunction; /**< the built function */
/**
* Template function that builds the function according to a mesh
* type and a kind of discretization
*
* @param d discretization type
* @param mesh specialized type mesh
*/
template <typename MeshType>
void __build(const DiscretizationType& d,
const MeshType* mesh);
public:
/**
* General function to build a function according to a mesh and a
* discretization type
*
* @param d discretization type
* @param mesh a mesh
*/
void build(const DiscretizationType& d, const Mesh* mesh);
/**
* Build a function whose values are initialized to a given @f$ f @f$
*
* @param d discretization type
* @param mesh a mesh
* @param f given function
*/
void build(const DiscretizationType& d,
const Mesh* mesh,
const ScalarFunctionBase& f);
/**
* Build a function whose values are initialized to given values
*
* @param d discretization type
* @param mesh a mesh
* @param values given values
* @param outsideValue returned value outside the mesh (necessary
* for function simplification)
*/
void build(const DiscretizationType& d,
const Mesh* mesh,
const Vector<real_t>& values,
const real_t& outsideValue = 0);
/**
* Access to the built function
*
* @return __builtFunction
*/
ReferenceCounting<FEMFunctionBase> getBuiltFEMFunction();
/**
* Read-only access to the built function viewed as a standard
* scalar function
*
* @return __builtFunction
*/
ConstReferenceCounting<ScalarFunctionBase> getBuiltScalarFunction() const;
/**
* Constructor
*
*/
FEMFunctionBuilder();
/**
* Detructor
*
*/
~FEMFunctionBuilder();
};
#endif // FEM_FUNCTION_BUILDER_HPP
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