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/*****************************************************************
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o3d_mail_coq.cpp Type:Func
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Remaillage d une coquille
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Date de creation : 22-4-1999 9 :5 :7
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Derniere version : 22-4-1999 9 :5 :7
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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 <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 environnement env;
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extern struct s_mesh *mesh;
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extern int tab_solution[7][1430][8];
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extern int tab_face[7][120][3];
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/**************************/
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/* programme principal */
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void o3d_mail_coq(int n1,int n2, float *crit, struct coquille *coque)
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{
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int i,j,nb_coq,coq[20];
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int poly[20];
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int tet_noeud[40];
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int nb_tet_noeud;
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int nb_poly;
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int nsolution,nface;
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struct s_tetra *tet;
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struct s_noeud *no1,*noa,*nob,*noc,*nod,*noe;
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struct s_noeud *no2;
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float crit_face[120],eps;
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float crit1,crit2,crit_solution[1430];
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float volume,volume_ori;
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float ab[4],ac[4],ad[4],vec[4];
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int numero_solution;
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float crit_opt;
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no1=ADRESSE(n1,noeud,mesh->);
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no2=ADRESSE(n2,noeud,mesh->);
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/* validite du segment */
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for (i=0;i<no1->nb_segment;i++)
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for (j=0;j<no2->nb_segment;j++)
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if (no1->segment[i]->num==no2->segment[j]->num)
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if (no1->segment[i]->type!=BODY)
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{
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*crit=0.;
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coque->n=0;
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return;
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}
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/* recherche de la coquille */
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nb_coq=0;
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for (i=0;i<no1->nb_tetra;i++)
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{
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if (no1->tetra[i]->etat==ACTIF)
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for (j=0;j<no2->nb_tetra;j++)
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{
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if (no2->tetra[j]->etat==ACTIF)
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if (no1->tetra[i]->num==no2->tetra[j]->num)
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{
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coq[nb_coq]=no1->tetra[i]->num;
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nb_coq++;
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}
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}
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}
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if ((nb_coq<4) || (nb_coq>10))
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{
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*crit=0.;
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coque->n=0;
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return;
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}
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/* on repere les noeuds libres de chaque tetra */
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nb_tet_noeud=0;
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volume_ori=0.;
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coque->n=nb_coq;
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for (i=0;i<nb_coq;i++)
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{
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tet=ADRESSE(coq[i],tetra,mesh->);
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coque->tet[i]=tet;
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if ((tet->n1!=n1) && (tet->n1!=n2)) tet_noeud[nb_tet_noeud++]=tet->n1;
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if ((tet->n2!=n1) && (tet->n2!=n2)) tet_noeud[nb_tet_noeud++]=tet->n2;
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if ((tet->n3!=n1) && (tet->n3!=n2)) tet_noeud[nb_tet_noeud++]=tet->n3;
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if ((tet->n4!=n1) && (tet->n4!=n2)) tet_noeud[nb_tet_noeud++]=tet->n4;
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noa=ADRESSE(tet->n1,noeud,mesh->);
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nob=ADRESSE(tet->n2,noeud,mesh->);
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noc=ADRESSE(tet->n3,noeud,mesh->);
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nod=ADRESSE(tet->n4,noeud,mesh->);
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VEC(ab,noa,nob);
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VEC(ac,noa,noc);
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VEC(ad,noa,nod);
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PVEC(vec,ab,ac);
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volume_ori=volume_ori+(float)fabs((double)PSCA(vec,ad));
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}
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/* numeratation de la coquille */
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poly[0]=tet_noeud[0];tet_noeud[0]=(-1);
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poly[1]=tet_noeud[1];tet_noeud[1]=(-1);
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nb_poly=2;
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while (nb_poly!=(nb_coq+1))
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{
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for (j=0;j<nb_coq;j++)
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{
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if (tet_noeud[2*j]==poly[nb_poly-1])
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{
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poly[nb_poly++]=tet_noeud[2*j+1];
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tet_noeud[2*j]=(-1);
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tet_noeud[2*j+1]=(-1);
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}
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if (tet_noeud[2*j+1]==poly[nb_poly-1])
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{
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poly[nb_poly++]=tet_noeud[2*j];
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tet_noeud[2*j]=(-1);
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tet_noeud[2*j+1]=(-1);
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}
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}
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}
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/* qualite de chaque solution */
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if (nb_coq==4) {nsolution=2;nface=4;}
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if (nb_coq==5) {nsolution=5;nface=10;}
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if (nb_coq==6) {nsolution=14;nface=20;}
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if (nb_coq==7) {nsolution=42;nface=35;}
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if (nb_coq==8) {nsolution=132;nface=56;}
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if (nb_coq==9) {nsolution=429;nface=84;}
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if (nb_coq==10) {nsolution=1430;nface=120;}
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for (i=0;i<nface;i++)
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{
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crit1=o3d_cal_qual(poly[tab_face[nb_coq-4][i][0]],poly[tab_face[nb_coq-4][i][1]],poly[tab_face[nb_coq-4][i][2]],n1);
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crit2=o3d_cal_qual(poly[tab_face[nb_coq-4][i][0]],poly[tab_face[nb_coq-4][i][1]],poly[tab_face[nb_coq-4][i][2]],n2);
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MINI(crit_face[i],crit1,crit2);
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}
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/* examen de chaque solution */
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crit_opt=0.;
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numero_solution=(-1);
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for (i=0;i<nsolution;i++)
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{
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volume=0.;
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for (j=0;j<nb_coq-2;j++)
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{
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noa=ADRESSE(poly[tab_face[nb_coq-4][tab_solution[nb_coq-4][i][j]][0]],noeud,mesh->);
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nob=ADRESSE(poly[tab_face[nb_coq-4][tab_solution[nb_coq-4][i][j]][1]],noeud,mesh->);
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noc=ADRESSE(poly[tab_face[nb_coq-4][tab_solution[nb_coq-4][i][j]][2]],noeud,mesh->);
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nod=ADRESSE(n1,noeud,mesh->);
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VEC(ab,noa,nob);
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VEC(ac,noa,noc);
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VEC(ad,noa,nod);
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PVEC(vec,ab,ac);
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volume=volume+(float)fabs((double)PSCA(vec,ad));
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nod=ADRESSE(n2,noeud,mesh->);
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VEC(ad,noa,nod);
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volume=volume+(float)fabs((double)PSCA(vec,ad));
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}
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eps=0.0018*(float)pow((double)volume,0.666666666);
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if (EGAL(volume,volume_ori,eps))
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{
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crit_solution[i]=1.;
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for (j=0;j<nb_coq-2;j++)
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MINI(crit_solution[i],crit_solution[i],crit_face[tab_solution[nb_coq-4][i][j]]);
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}
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else crit_solution[i]=0.;
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if (crit_opt<crit_solution[i])
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{
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crit_opt=crit_solution[i];
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numero_solution=i;
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}
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}
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/* bonne solution */
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if (numero_solution==(-1))
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{
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*crit=0.;
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coque->n=0;
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return;
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}
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*crit=crit_opt;
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nod=ADRESSE(n1,noeud,mesh->);
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noe=ADRESSE(n2,noeud,mesh->);
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for (j=0;j<nb_coq-2;j++)
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{
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noa=ADRESSE(poly[tab_face[nb_coq-4][tab_solution[nb_coq-4][numero_solution][j]][0]],noeud,mesh->);
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nob=ADRESSE(poly[tab_face[nb_coq-4][tab_solution[nb_coq-4][numero_solution][j]][1]],noeud,mesh->);
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noc=ADRESSE(poly[tab_face[nb_coq-4][tab_solution[nb_coq-4][numero_solution][j]][2]],noeud,mesh->);
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coque->new_tetra[8*j]=noa->num;
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coque->new_tetra[8*j+1]=nob->num;
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coque->new_tetra[8*j+2]=noc->num;
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coque->new_tetra[8*j+3]=nod->num;
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coque->new_tetra[8*j+4]=noa->num;
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coque->new_tetra[8*j+5]=nob->num;
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coque->new_tetra[8*j+6]=noc->num;
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coque->new_tetra[8*j+7]=noe->num;
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}
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}
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