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#include <stdio.h>
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#include "m3d_struct.h"
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#include "m3d_const.h"
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#include "m3d_hotes.h"
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#include "m3d_erreur.h"
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#include "prototype.h"
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#define NB_TRAITE 500
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#define TRAITE 987654321
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extern GEST_MEM *gest ;
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extern int debug ;
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extern float crit_min ;
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/* routine de tete du mailleur */
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int m3d_arete(TETRAEDRE *tetra,int num_arete,int *nb_noeud,int *nb_face,float *vcoord,int *tabele,int *neww,int *old,TETRAEDRE **tab,int *nb,FACE **tab_coq)
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{
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NOEUD *n1, *n2, *nc, *tab_noeud[500] ;
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CONNEC *connec ;
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TETRAEDRE *ele ;
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FACE *tab_face[4], *face ;
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int i, j, k, is_ok ;
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int m3d_arete();
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int tab_mark[500], tab_switch[500] ;
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/* determination des tetraedres adjacents a l'arete */
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switch(num_arete)
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{
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case 1 :
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n1 = tetra->face1->n1 ;
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n2 = tetra->face1->n2 ;
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break ;
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case 2 :
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n1 = tetra->face1->n2 ;
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n2 = tetra->face1->n3 ;
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break ;
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case 3 :
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n1 = tetra->face1->n3 ;
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n2 = tetra->face1->n1 ;
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break ;
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case 4 :
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n1 = tetra->face1->n1 ;
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NOEUD_TETRA(tetra,n2) ;
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break ;
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case 5 :
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n1 = tetra->face1->n2 ;
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NOEUD_TETRA(tetra,n2) ;
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break ;
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case 6 :
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n1 = tetra->face1->n3 ;
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NOEUD_TETRA(tetra,n2) ;
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break ;
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default :
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m3d_erreur(ERR_SYST) ;
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return(FAUX) ;
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}
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/* tetraedres connectes au noeud n1 */
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/* BIG probleme : les noeuds bougent */
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*nb = 0 ;
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connec = n1->lis_con ;
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while (connec != NULL)
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{
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if ((connec->tetra)->mark != KILLED)
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{
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i = 0 ;
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NOEUD_TETRA((connec->tetra),nc)
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if (connec->tetra->face1->n1 == n1) i ++ ;
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if (connec->tetra->face1->n1 == n2) i ++ ;
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if (connec->tetra->face1->n2 == n1) i ++ ;
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if (connec->tetra->face1->n2 == n2) i ++ ;
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if (connec->tetra->face1->n3 == n1) i ++ ;
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if (connec->tetra->face1->n3 == n2) i ++ ;
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if (nc == n1) i ++ ;
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if (nc == n2) i ++ ;
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if (i>=2)/* arete commune */
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{
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if (*nb >999)
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{
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m3d_erreur(ERR_SYST) ;
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return(FAUX) ;
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}
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tab[*nb] = connec->tetra ;
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(*nb) ++ ;
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}
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}
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connec = connec->suivant ;
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}
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/* reperage de toutes les faces de la coquille et orientation */
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/* elimination des faces contenant les noeuds n1 et n2 */
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*nb_face = 0 ;
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is_ok = VRAI ;
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for (j=0;j<*nb;j++)
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{
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ele = tab[j] ;
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tab_face[0] = ele->face1 ;
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tab_face[1] = ele->face2 ;
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tab_face[2] = ele->face3 ;
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tab_face[3] = ele->face4 ;
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for (k=0;k<4;k++)
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{
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if (tab_face[k]->mark!= TRAITE)
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{
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i = 0 ;
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if (tab_face[k]->n1 == n1) i ++ ;
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if (tab_face[k]->n1 == n2) i ++ ;
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if (tab_face[k]->n2 == n1) i ++ ;
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if (tab_face[k]->n2 == n2) i ++ ;
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if (tab_face[k]->n3 == n1) i ++ ;
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if (tab_face[k]->n3 == n2) i ++ ;
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if ((i>= 2) && (tab_face[k]->hist == 0))
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{
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is_ok = FAUX ;
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}
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if (i<2)
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{
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if (*nb_face>=500)
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{
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m3d_erreur(ERR_SYST) ;
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return(FAUX) ;
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}
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tab_coq[(*nb_face)] = tab_face[k] ;
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tab_mark[(*nb_face)] = tab_face[k]->mark ;
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tab_face[k]->mark = TRAITE ;
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if (tab_face[k]->hist == 0) tab_switch[*nb_face] = FAUX ;
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else tab_switch[*nb_face] = m3d_switch2(gest->coord,tab_face[k],ele,gest->numele) ;
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(*nb_face)++ ;
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}
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}
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}
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}
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/* remise a jour des marqueurs */
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for (j=0;j<*nb_face;j++) tab_coq[j]->mark = tab_mark[j] ;
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/* remise a jour des marqueurs */
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for (j=0;j<*nb;j++) tab[j]->mark = FAUX ;
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if (is_ok == FAUX) return(VRAI) ;
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/* liste des noeuds */
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*nb_noeud = 0 ;
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for (j=0;j<*nb_face;j++)
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{
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if (tab_coq[j]->n1->mark != TRAITE)
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{
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if (*nb_noeud>=500) return(FAUX) ;
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tab_noeud[*nb_noeud] = tab_coq[j]->n1 ;
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tab_mark[*nb_noeud] = tab_coq[j]->n1->mark ;
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(*nb_noeud) = (*nb_noeud) + 1 ;
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tab_coq[j]->n1->mark = TRAITE ;
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}
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if (tab_coq[j]->n2->mark != TRAITE)
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{
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if (*nb_noeud>=500) return(FAUX) ;
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tab_noeud[*nb_noeud] = tab_coq[j]->n2 ;
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tab_mark[*nb_noeud] = tab_coq[j]->n2->mark ;
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(*nb_noeud) = (*nb_noeud) + 1 ;
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tab_coq[j]->n2->mark = TRAITE ;
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}
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if (tab_coq[j]->n3->mark != TRAITE)
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{
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if (*nb_noeud>=500) return(FAUX) ;
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tab_noeud[*nb_noeud] = tab_coq[j]->n3 ;
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tab_mark[*nb_noeud] = tab_coq[j]->n3->mark ;
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(*nb_noeud) = (*nb_noeud) + 1 ;
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tab_coq[j]->n3->mark = TRAITE ;
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}
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}
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for (j=0;j<*nb_noeud;j++) tab_noeud[j]->mark = tab_mark[j] ;
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/* table des noeuds et des faces */
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for (j=0;j<gest->nb_noeud;j++) neww[j] = -1 ;
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/* coordonnees */
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for (j=0;j<*nb_noeud;j++)
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{
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neww[tab_noeud[j]->num] = j ;
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old[j] = tab_noeud[j]->num ;
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vcoord[x(j)] = gest->coord[x(tab_noeud[j]->num)] ;
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vcoord[y(j)] = gest->coord[y(tab_noeud[j]->num)] ;
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vcoord[z(j)] = gest->coord[z(tab_noeud[j]->num)] ;
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}
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/* connectivite */
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for (j=0;j<*nb_face;j++)
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{
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face = tab_coq[j] ;
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if (!tab_switch[j])
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{
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tabele[3*j] = neww[(face->n1->num)] ;
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tabele[3*j+1] = neww[(face->n2->num)] ;
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tabele[3*j+2] = neww[(face->n3->num)] ;
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}
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else
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{
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tabele[3*j] = neww[(face->n1->num)] ;
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tabele[3*j+2] = neww[(face->n2->num)] ;
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tabele[3*j+1] = neww[(face->n3->num)] ;
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}
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}
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return(VRAI) ;
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}
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