locate_2d.c File Reference

#include "mmg2d.h"

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Macros
#define	EPST   -1e-18
#define	EPSR   1e+18
#define	EPSNULL   1e-12
#define	EPSNULL2   5e-13

Functions
int	MMG2_coorbary (MMG5_pMesh mesh, MMG5_pTria pt, double c[2], double *det, double *l1, double *l2)
int	MMG2_isInTriangle (MMG5_pMesh mesh, int k, double c[2])
int	MMG2_cutEdge (MMG5_pMesh mesh, MMG5_pTria pt, MMG5_pPoint ppa, MMG5_pPoint ppb)
int	MMG2_cutEdgeTriangle (MMG5_pMesh mesh, int k, int ia, int ib)
int	MMG2_findTria (MMG5_pMesh mesh, int ip)
int	MMG2_locateEdge (MMG5_pMesh mesh, int ia, int ib, int *kdep, int *list)

Detailed Description

Author

Charles Dapogny (UPMC)

Cécile Dobrzynski (Bx INP/Inria/UBordeaux)

Pascal Frey (UPMC)

Algiane Froehly (Inria/UBordeaux)

Version

5

Copyright

GNU Lesser General Public License.

Macro Definition Documentation

EPSNULL

#define EPSNULL   1e-12

EPSNULL2

#define EPSNULL2   5e-13

EPSR

#define EPSR   1e+18

EPST

#define EPST   -1e-18

Function Documentation

MMG2_coorbary()

int MMG2_coorbary	(	MMG5_pMesh	mesh,
		MMG5_pTria	pt,
		double	c[2],
		double *	det,
		double *	l1,
		double *	l2
	)

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MMG2_cutEdge()

int MMG2_cutEdge	(	MMG5_pMesh	mesh,
		MMG5_pTria	pt,
		MMG5_pPoint	ppa,
		MMG5_pPoint	ppb
	)

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MMG2_cutEdgeTriangle()

int MMG2_cutEdgeTriangle	(	MMG5_pMesh	mesh,
		int	k,
		int	ia,
		int	ib
	)

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MMG2_findTria()

int MMG2_findTria	(	MMG5_pMesh	mesh,
		int	ip
	)

Return the index of one triangle containing ip

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MMG2_isInTriangle()

int MMG2_isInTriangle	(	MMG5_pMesh	mesh,
		int	k,
		double	c[2]
	)

Check whether c lies in triangle k; return k if so, 0 otherwise

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MMG2_locateEdge()

int MMG2_locateEdge	(	MMG5_pMesh	mesh,
		int	ia,
		int	ib,
		int *	kdep,
		int *	list
	)

Parameters

mesh	pointer toward the mesh
ia	index of first extremity of the edge
ib	index of second extremity of the edge
kdep	pointer toward the index of the first element intersecting the edge
list	pointer toward the list of elts intersected by the edge

Returns

4 if the edge exist in the mesh, 0 if fail, ??? otherwise

Calculate the list of all the triangles intersected by edge (ia,ib), starting from kdep = one triangle in the ball of ia; List lon starts at index 0 and goes to lon-1 and stores 3*k + iare, where iare is one intersected edge; return 4 if edge exists in the mesh

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