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/*****************************************************************
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m3d_i_tetra.cpp Type:func
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Insertion d un nouveau tetraedre
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Date de creation : 11-3-1999 15 :24 :8
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Derniere version : 11-3-1999 15 :24 :8
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Vincent FRANCOIS
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*****************************************************************/
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/**************************/
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/* include */
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <math.h>
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#include "const.h"
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#include "memoire.h"
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#include "struct.h"
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#include "struct3d.h"
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#include "prototype.h"
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/**************************/
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/* variables globales */
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extern struct environnment env;
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extern struct s_mesh *mesh;
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/**************************/
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/* programme principal */
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int m3d_i_tetra(struct s_tetra **tetr,struct s_front3d *ft,int n4,int type,struct s_front3d **list_inter,int *nb_inter)
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{
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struct s_noeud *no1,*no2,*no3,*no4,*no;
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struct s_tetra *tet,*tettmp;
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struct s_triangle *tri1,*tri2,*tri3,*tri4;
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struct s_front3d *fttmp;
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struct s_octree *oc,**liste_oc;
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float x,y,z,longueur,vol,vol1,vol2,vol3,vol4;
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int num,inter;
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int i,j,*test_ft,nb_liste,invalid,n1,n2,n3,npetit;
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char mess[255];
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no1=ADRESSE(ft->n1,noeud,mesh->);
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no2=ADRESSE(ft->n2,noeud,mesh->);
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no3=ADRESSE(ft->n3,noeud,mesh->);
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no4=ADRESSE(n4,noeud,mesh->);
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/* existance du tetraedre */
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//for (i=0;i<no1->nb_tetra;i++)
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// for (j=0;j<no2->nb_tetra;j++)
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// for (k=0;k<no3->nb_tetra;k++)
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// for (l=0;l<no4->nb_tetra;l++)
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// if (no1->tetra[i]==no2->tetra[j])
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// if (no1->tetra[i]==no3->tetra[k])
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// if (no1->tetra[i]==no4->tetra[l])
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// return(NONVALIDE);
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n1=ft->n1;
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n2=ft->n2;
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n3=ft->n3;
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MINI(npetit,n1,n2);
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MINI(npetit,npetit,n3);
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MINI(npetit,npetit,n4);
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no=ADRESSE(npetit,noeud,mesh->);
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tettmp=no->tete_tet_petit;
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while (tettmp!=NULL)
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{
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if (((tettmp->n1==n1) && (tettmp->n2==n2) && (tettmp->n3==n3) && (tettmp->n4==n4))
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|| ((tettmp->n1==n1) && (tettmp->n2==n2) && (tettmp->n4==n3) && (tettmp->n3==n4))
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|| ((tettmp->n1==n1) && (tettmp->n3==n2) && (tettmp->n2==n3) && (tettmp->n4==n4))
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|| ((tettmp->n1==n1) && (tettmp->n3==n2) && (tettmp->n4==n3) && (tettmp->n2==n4))
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|| ((tettmp->n1==n1) && (tettmp->n4==n2) && (tettmp->n2==n3) && (tettmp->n3==n4))
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|| ((tettmp->n1==n1) && (tettmp->n4==n2) && (tettmp->n3==n3) && (tettmp->n2==n4))
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|| ((tettmp->n2==n1) && (tettmp->n1==n2) && (tettmp->n3==n3) && (tettmp->n4==n4))
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|| ((tettmp->n2==n1) && (tettmp->n1==n2) && (tettmp->n4==n3) && (tettmp->n3==n4))
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|| ((tettmp->n2==n1) && (tettmp->n3==n2) && (tettmp->n1==n3) && (tettmp->n4==n4))
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|| ((tettmp->n2==n1) && (tettmp->n3==n2) && (tettmp->n4==n3) && (tettmp->n1==n4))
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|| ((tettmp->n2==n1) && (tettmp->n4==n2) && (tettmp->n1==n3) && (tettmp->n3==n4))
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|| ((tettmp->n2==n1) && (tettmp->n4==n2) && (tettmp->n3==n3) && (tettmp->n1==n4))
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|| ((tettmp->n3==n1) && (tettmp->n1==n2) && (tettmp->n2==n3) && (tettmp->n4==n4))
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|| ((tettmp->n3==n1) && (tettmp->n1==n2) && (tettmp->n4==n3) && (tettmp->n2==n4))
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|| ((tettmp->n3==n1) && (tettmp->n2==n2) && (tettmp->n1==n3) && (tettmp->n4==n4))
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|| ((tettmp->n3==n1) && (tettmp->n2==n2) && (tettmp->n4==n3) && (tettmp->n1==n4))
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|| ((tettmp->n3==n1) && (tettmp->n4==n2) && (tettmp->n1==n3) && (tettmp->n2==n4))
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|| ((tettmp->n3==n1) && (tettmp->n4==n2) && (tettmp->n2==n3) && (tettmp->n1==n4))
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|| ((tettmp->n4==n1) && (tettmp->n1==n2) && (tettmp->n2==n3) && (tettmp->n3==n4))
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|| ((tettmp->n4==n1) && (tettmp->n1==n2) && (tettmp->n3==n3) && (tettmp->n2==n4))
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|| ((tettmp->n4==n1) && (tettmp->n2==n2) && (tettmp->n1==n3) && (tettmp->n3==n4))
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|| ((tettmp->n4==n1) && (tettmp->n2==n2) && (tettmp->n3==n3) && (tettmp->n1==n4))
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|| ((tettmp->n4==n1) && (tettmp->n3==n2) && (tettmp->n1==n3) && (tettmp->n2==n4))
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|| ((tettmp->n4==n1) && (tettmp->n3==n2) && (tettmp->n2==n3) && (tettmp->n1==n4)))
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return(NONVALIDE);
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tettmp=tettmp->suiv;
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}
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/* validite de la solution */
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(*nb_inter)=0;
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liste_oc=(struct s_octree **)calloc(mesh->nb_octree+1,sizeof(struct s_octree *));
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ERREUR_ALLOC(liste_oc);
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test_ft=(int *)calloc(mesh->nb_front3d_tot,sizeof(int));
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ERREUR_ALLOC(test_ft);
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nb_liste=0;
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x=0.25*(no1->x+no2->x+no3->x+no4->x);
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y=0.25*(no1->y+no2->y+no3->y+no4->y);
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z=0.25*(no1->z+no2->z+no3->z+no4->z);
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longueur=(float)sqrt((double)((x-no1->x)*(x-no1->x)+(y-no1->y)*(y-no1->y)+(z-no1->z)*(z-no1->z)));
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oc_rechercher(x,y,z,1.2*longueur,mesh->first,liste_oc,&nb_liste);
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for (i=0;i<nb_liste;i++)
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{
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oc=liste_oc[i];
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for (j=0;j<oc->nb_front3d;j++)
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{
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fttmp=oc->front3d[j];
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if (test_ft[fttmp->num]==0)
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{
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test_ft[fttmp->num]=1;
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inter=m3d_intersection(no1->num,no2->num,no3->num,no4->num,fttmp->n1,fttmp->n2,fttmp->n3);
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if (inter==VRAI)
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{
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list_inter[*nb_inter]=fttmp;
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(*nb_inter)++;
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}
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}
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}
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}
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free(liste_oc);
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free(test_ft);
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if (*nb_inter>0)
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return(NONVALIDE);
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/* evaluation de la situation locale */
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m3d_i_triangle(&tri1,ft->n1,ft->n3,ft->n2,LIMITE);
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m3d_i_triangle(&tri2,ft->n1,ft->n2,n4,LIMITE);
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m3d_i_triangle(&tri3,ft->n2,ft->n3,n4,LIMITE);
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m3d_i_triangle(&tri4,ft->n1,n4,ft->n3,LIMITE);
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vol=m3d_cal_vol(ft->n1,ft->n2,ft->n3,n4);
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if (tri1!=NULL)
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if ((tri1->tetra[0]!=NULL)&&(tri1->type!=FACE)) vol1=tri1->tetra[0]->vol; else vol1=(-1.);
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if (tri2!=NULL)
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if ((tri2->tetra[0]!=NULL)&&(tri2->type!=FACE)) vol2=tri2->tetra[0]->vol; else vol2=(-1.);
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if (tri3!=NULL)
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if ((tri3->tetra[0]!=NULL)&&(tri3->type!=FACE)) vol3=tri3->tetra[0]->vol; else vol3=(-1.);
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if (tri4!=NULL)
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if ((tri4->tetra[0]!=NULL)&&(tri4->type!=FACE)) vol4=tri4->tetra[0]->vol; else vol4=(-1.);
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if (type==CREATION)
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{
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longueur=0.25*(no1->dens+no2->dens+no3->dens+no4->dens);
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if (vol<0.01178511302*longueur*longueur*longueur)
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{
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invalid=0;
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if ((vol1>0.)&&(vol1<0.01178511302*longueur*longueur*longueur)) invalid=1;
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if ((vol2>0.)&&(vol2<0.01178511302*longueur*longueur*longueur)) invalid=1;
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if ((vol3>0.)&&(vol3<0.01178511302*longueur*longueur*longueur)) invalid=1;
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if ((vol4>0.)&&(vol4<0.01178511302*longueur*longueur*longueur)) invalid=1;
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if (invalid==1)
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return(NONVALIDE);
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}
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}
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/* insertion du tetra */
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if (tri1==NULL) m3d_i_triangle(&tri1,ft->n1,ft->n3,ft->n2,CREATION);
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if (tri2==NULL) m3d_i_triangle(&tri2,ft->n1,ft->n2,n4,CREATION);
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if (tri3==NULL) m3d_i_triangle(&tri3,ft->n2,ft->n3,n4,CREATION);
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if (tri4==NULL) m3d_i_triangle(&tri4,ft->n1,n4,ft->n3,CREATION);
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NEW_ENTITE(tet,tetra,mesh->);
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tet->num=mesh->nb_tetra-1;
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tet->n1=ft->n1;
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tet->n2=ft->n2;
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tet->n3=ft->n3;
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tet->n4=n4;
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tet->type=BODY;
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tet->num_ent=0;
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tet->crit=m3d_cal_qual(tet->n1,tet->n2,tet->n3,tet->n4);
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tet->vol=vol;
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tet->etat=ACTIF;
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if (tet->crit<mesh->critmin) mesh->critmin=tet->crit;
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if (tet->crit>mesh->critmax) mesh->critmax=tet->crit;
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if (tet->crit<0.00001)
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{
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sprintf(mess,"Tetra inverse. Etape numero %d.",tet->num);
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aff_text(mess);
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}
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tet->triangle[0]=tri1;
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tet->triangle[1]=tri2;
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tet->triangle[2]=tri3;
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tet->triangle[3]=tri4;
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if ((tri1->type!=FACE)&&(tri1->front==1)) tri1->tetra[1]=tet; else tri1->tetra[0]=tet;
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if ((tri2->type!=FACE)&&(tri2->front==1)) tri2->tetra[1]=tet; else tri2->tetra[0]=tet;
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if ((tri3->type!=FACE)&&(tri3->front==1)) tri3->tetra[1]=tet; else tri3->tetra[0]=tet;
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if ((tri4->type!=FACE)&&(tri4->front==1)) tri4->tetra[1]=tet; else tri4->tetra[0]=tet;
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NEW_POINTEUR(num,tetra,no1->);
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no1->tetra[num]=tet;
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NEW_POINTEUR(num,tetra,no2->);
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no2->tetra[num]=tet;
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NEW_POINTEUR(num,tetra,no3->);
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no3->tetra[num]=tet;
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NEW_POINTEUR(num,tetra,no4->);
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no4->tetra[num]=tet;
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m3d_ord_tet(tet);
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*tetr=tet;
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MINI(npetit,tet->n1,tet->n2);
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MINI(npetit,npetit,tet->n3);
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MINI(npetit,npetit,tet->n4);
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no=ADRESSE(npetit,noeud,mesh->);
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if (no->tete_tet_petit==NULL)
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{
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no->tete_tet_petit=tet;
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no->queue_tet_petit=tet;
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}
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else
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{
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no->queue_tet_petit->suiv=tet;
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no->queue_tet_petit=tet;
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}
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return(VALIDE);
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}
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