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// -*- C++ -*-
// -------------------------------------------------------------------
// MAdLib - Copyright (C) 2008-2009 Universite catholique de Louvain
//
// See the Copyright.txt and License.txt files for license information.
// You should have received a copy of these files along with MAdLib.
// If not, see <http://www.madlib.be/license/>
//
// Please report all bugs and problems to <contrib@madlib.be>
//
// Authors: Gaetan Compere, Jean-Francois Remacle
// -------------------------------------------------------------------
#ifndef _H_NULLSFIELD
#define _H_NULLSFIELD
#include "SizeFieldBase.h"
namespace MAd {
// -------------------------------------------------------------------
class NullSField : public SizeFieldBase
{
public:
NullSField(): SizeFieldBase() {}
~NullSField() {}
sFieldType getType() const { return NULLSFIELD; }
// edge length (squared)
double SF_VV_lengthSq(const pVertex, const pVertex) const;
double SF_XYZ_lengthSq(const double[3], const double[3],
const pMSize, const pMSize=NULL) const;
// face area (squared)
double SF_F_areaSq(const pFace) const;
double SF_XYZ_areaSq(const double[3][3], const pMSize,
const double[3]) const;
// region volume
double SF_R_volume(const pRegion) const;
double SF_XYZ_volume(const double[4][3], const pMSize) const;
// center and its associated size
double SF_E_center(const pEdge, double[3], double * reducSq, pMSize *) const;
double SF_VV_center(const pVertex, const pVertex,
double[3], double * reducSq, pMSize *) const;
public: // functions that have no sense here...
void scale(double) {return;}
void setSize(pEntity, pMSize) {return;}
void setSize(pEntity, double) {return;}
void deleteSize(pEntity) {return;}
pMSize getSize(const pVertex) const {return NULL;}
pMSize getSizeOnEntity(const pEntity, const double[3]) const {return NULL;};
};
}
// -------------------------------------------------------------------
#endif
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