| 1 |
francois |
283 |
/* lecture des fichiers */ |
| 2 |
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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 "m3d_const.h" |
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#include "m3d_hotes.h" |
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#include "m3d_struct.h" |
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#include "m3d_erreur.h" |
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#include "prototype.h" |
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extern int format ; |
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extern GEST_MEM *gest ; |
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extern int nb_max_noe ; |
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void m3d_rsystus(int *nb_noeud,int *nb_ele,float *coord,int *numele,int *ierr) |
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{ |
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FILE *stream ; |
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char line[MAX_LINE] ; |
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char temp[MAX_LINE] ; |
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char tabel[MAX_LINE] ; |
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int j,i, index; |
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/* declaration des fonctions */ |
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char *ext_ele ; |
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int *corresp, itype ; |
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int *old, *neww, *tablin, *numele2; |
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float *coord2 ; |
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*ierr = FAUX ; |
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j = 0 ; |
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itype = 0 ; |
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if (format == SYSTUS) |
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{ |
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temp[0] = 0 ; |
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strcpy(temp,gest->buffer) ; |
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/* ouverture du fichier */ |
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if (!(stream = fopen(temp,"r"))) |
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{ |
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*ierr = VRAI ; |
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m3d_erreur(ERR_OPEN); |
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return ; |
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} |
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/* lecture des 2 lignes d'entetes */ |
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for (i=0;i<2;i++) |
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{ |
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if (!fgets(line,MAX_LINE,stream)) |
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{ |
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*ierr = VRAI ; |
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m3d_erreur(ERR_FORMAT); |
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return ; |
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} |
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} |
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/* le maillage est il quadratique ou lineaire */ |
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/* lecture du nombre de noeuds */ |
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index = 1 ; |
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while ((index != -1) && (index!=0)) |
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{ |
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if (!fgets(line,MAX_LINE,stream)) |
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{ |
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*ierr = VRAI ; |
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m3d_erreur(ERR_FORMAT); |
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return ; |
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} |
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tabel[0] = 0 ; |
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strncat(tabel,line,5) ;/* 5 premiers caracteres */ |
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index = atoi(tabel) ; |
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} |
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if (index==0) |
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{ |
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*ierr = VRAI ; |
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m3d_erreur(ERR_FORMAT); |
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return ; |
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} |
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/* on pointe sur -1 */ |
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/* lecture du nombre de noeuds */ |
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tabel[0] = 0 ; |
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strncat(tabel,line+5,5) ;/* 5 caracteres suivants */ |
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*nb_noeud = atoi(tabel) ; |
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if (*nb_noeud>=nb_max_noe) |
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{ |
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*ierr = VRAI ; |
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m3d_erreur(ERR_NB_NOE); |
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return ; |
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} |
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j = 0 ; |
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for (i=0;i<*nb_noeud;i++) |
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{ |
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if (!fgets(line,MAX_LINE,stream)) |
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{ |
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*ierr = VRAI ; |
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m3d_erreur(ERR_FORMAT); |
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return ; |
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} |
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/* lecture du plus grand numero de noeud */ |
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if (sscanf(line,"%d",&index)!=1) |
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{ |
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*ierr = VRAI ; |
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m3d_erreur(ERR_FORMAT); |
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return ; |
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} |
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if (index>j) j = index ; |
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} |
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/* rewind */ |
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rewind(stream) ; |
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/* alloc du tableau de correspondance */ |
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corresp = (int*)calloc(j+1,sizeof(int)) ; |
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if (corresp == NULL) |
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{ |
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*ierr = VRAI ; |
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m3d_erreur(ERR_ALLOC); |
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return ; |
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} |
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/* plus grand numero */ |
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gest->numax = j ; |
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gest->tabcor = (int*)calloc((*nb_noeud)+1,sizeof(int)) ; |
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if (gest->tabcor == NULL) |
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{ |
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*ierr = VRAI ; |
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m3d_erreur(ERR_ALLOC); |
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return ; |
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} |
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/* lecture des 2 lignes d'entetes */ |
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for (i=0;i<2;i++) |
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{ |
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if (!fgets(line,MAX_LINE,stream)) |
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{ |
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*ierr = VRAI ; |
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m3d_erreur(ERR_FORMAT); |
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return ; |
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} |
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} |
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| 133 |
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/* lecture du nombre de noeuds */ |
| 134 |
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index = 1 ; |
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while ((index != -1) && (index!=0)) |
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{ |
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if (!fgets(line,MAX_LINE,stream)) |
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{ |
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*ierr = VRAI ; |
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m3d_erreur(ERR_FORMAT); |
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return ; |
| 142 |
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} |
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tabel[0] = 0 ; |
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strncat(tabel,line,5) ;/* 5 premiers caracteres */ |
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index = atoi(tabel) ; |
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} |
| 147 |
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if (index==0) |
| 148 |
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{ |
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*ierr = VRAI ; |
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m3d_erreur(ERR_FORMAT); |
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return ; |
| 152 |
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} |
| 153 |
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/* on pointe sur -1 */ |
| 154 |
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/* lecture du nombre de noeuds */ |
| 155 |
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tabel[0] = 0 ; |
| 156 |
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strncat(tabel,line+5,5) ;/* 5 caracteres suivants */ |
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*nb_noeud = atoi(tabel) ; |
| 158 |
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for (i=0;i<*nb_noeud;i++) |
| 159 |
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{ |
| 160 |
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if (!fgets(line,MAX_LINE,stream)) |
| 161 |
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{ |
| 162 |
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*ierr = VRAI ; |
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m3d_erreur(ERR_FORMAT); |
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return ; |
| 165 |
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} |
| 166 |
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if (sscanf(line,"%d",&j)!=1) |
| 167 |
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{ |
| 168 |
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*ierr = VRAI ; |
| 169 |
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m3d_erreur(ERR_FORMAT); |
| 170 |
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return ; |
| 171 |
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} |
| 172 |
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corresp[j] = i + 1 ; |
| 173 |
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gest->tabcor[i+1] = j ; |
| 174 |
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} |
| 175 |
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| 176 |
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index = 1 ; |
| 177 |
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while ((index != -2) && (index!=0)) |
| 178 |
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{ |
| 179 |
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if (!fgets(line,MAX_LINE,stream)) |
| 180 |
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{ |
| 181 |
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*ierr = VRAI ; |
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m3d_erreur(ERR_FORMAT); |
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return ; |
| 184 |
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} |
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tabel[0] = 0 ; |
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strncat(tabel,line,5) ;/* 5 premiers caracteres */ |
| 187 |
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index = atoi(tabel) ; |
| 188 |
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} |
| 189 |
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if (index==0) |
| 190 |
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{ |
| 191 |
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*ierr = VRAI ; |
| 192 |
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m3d_erreur(ERR_FORMAT); |
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return ; |
| 194 |
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} |
| 195 |
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| 196 |
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/* lecture du nombre d'element */ |
| 197 |
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tabel[0] = 0 ; |
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strncat(tabel,line+5,5) ;/* 5 caracteres suivants */ |
| 199 |
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*nb_ele = atoi(tabel) ; |
| 200 |
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/* le maillage est il quadratique */ |
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if (!fgets(line,MAX_LINE,stream)) |
| 202 |
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{ |
| 203 |
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*ierr = VRAI ; |
| 204 |
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m3d_erreur(ERR_FORMAT); |
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return ; |
| 206 |
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} |
| 207 |
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if (sscanf(line,"%d %d",&i,&itype)!=1) |
| 208 |
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if (itype == 2003) gest->is_qua = FAUX ; |
| 209 |
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else if (itype == 2006) gest->is_qua = VRAI ; |
| 210 |
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else |
| 211 |
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{ |
| 212 |
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*ierr = VRAI ; |
| 213 |
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m3d_erreur(ERR_TYPE_ELE) ; |
| 214 |
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return ; |
| 215 |
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} |
| 216 |
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/* rewind */ |
| 217 |
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rewind(stream) ; |
| 218 |
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/* traitement maillage lineaire */ |
| 219 |
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if (gest->is_qua == FAUX) |
| 220 |
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{ |
| 221 |
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/* lecture des 2 lignes d'entetes */ |
| 222 |
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for (i=0;i<2;i++) |
| 223 |
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{ |
| 224 |
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if (!fgets(line,MAX_LINE,stream)) |
| 225 |
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{ |
| 226 |
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*ierr = VRAI ; |
| 227 |
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m3d_erreur(ERR_FORMAT); |
| 228 |
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return ; |
| 229 |
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} |
| 230 |
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} |
| 231 |
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| 232 |
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index = 1 ; |
| 233 |
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while ((index != -1) && (index!=0)) |
| 234 |
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{ |
| 235 |
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if (!fgets(line,MAX_LINE,stream)) |
| 236 |
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{ |
| 237 |
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*ierr = VRAI ; |
| 238 |
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m3d_erreur(ERR_FORMAT); |
| 239 |
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return ; |
| 240 |
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} |
| 241 |
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tabel[0] = 0 ; |
| 242 |
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strncat(tabel,line,5) ;/* 5 premiers caracteres */ |
| 243 |
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index = atoi(tabel) ; |
| 244 |
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} |
| 245 |
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for (i=0;i<*nb_noeud;i++) |
| 246 |
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{ |
| 247 |
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if (!fgets(line,MAX_LINE,stream)) |
| 248 |
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{ |
| 249 |
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*ierr = VRAI ; |
| 250 |
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m3d_erreur(ERR_FORMAT); |
| 251 |
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return ; |
| 252 |
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} |
| 253 |
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| 254 |
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/* coordonnees */ |
| 255 |
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if (sscanf(line,"%d %f %f %f",&j,coord+3*i,coord+3*i+1,coord+3*i+2)!=4) |
| 256 |
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{ |
| 257 |
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*ierr = VRAI ; |
| 258 |
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m3d_erreur(ERR_FORMAT); |
| 259 |
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return ; |
| 260 |
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} |
| 261 |
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} |
| 262 |
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index = 1 ; |
| 263 |
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while ((index != -2) && (index!=0)) |
| 264 |
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{ |
| 265 |
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if (!fgets(line,MAX_LINE,stream)) |
| 266 |
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{ |
| 267 |
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*ierr = VRAI ; |
| 268 |
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m3d_erreur(ERR_FORMAT); |
| 269 |
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return ; |
| 270 |
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} |
| 271 |
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tabel[0] = 0 ; |
| 272 |
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strncat(tabel,line,5) ;/* 5 premiers caracteres */ |
| 273 |
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index = atoi(tabel) ; |
| 274 |
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} |
| 275 |
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if (index==0) |
| 276 |
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{ |
| 277 |
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*ierr = VRAI ; |
| 278 |
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m3d_erreur(ERR_FORMAT); |
| 279 |
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return ; |
| 280 |
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} |
| 281 |
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for (i=0;i<*nb_ele;i++) |
| 282 |
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{ |
| 283 |
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if (!fgets(line,MAX_LINE,stream)) |
| 284 |
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{ |
| 285 |
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*ierr = VRAI ; |
| 286 |
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m3d_erreur(ERR_FORMAT); |
| 287 |
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return ; |
| 288 |
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} |
| 289 |
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tabel[0] = 0 ; |
| 290 |
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strncat(tabel,line+20,5) ;/* 5 premiers caracteres */ |
| 291 |
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numele[3*i] = corresp[atoi(tabel)] ; |
| 292 |
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tabel[0] = 0 ; |
| 293 |
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strncat(tabel,line+25,5) ;/* 5 premiers caracteres */ |
| 294 |
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numele[3*i+1] = corresp[atoi(tabel)] ; |
| 295 |
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tabel[0] = 0 ; |
| 296 |
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strncat(tabel,line+30,5) ;/* 5 premiers caracteres */ |
| 297 |
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numele[3*i+2] = corresp[atoi(tabel)] ; |
| 298 |
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} |
| 299 |
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} |
| 300 |
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/* fin de traitement des mailles lineaires */ |
| 301 |
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else /* mailles quadratiques */ |
| 302 |
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{ |
| 303 |
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/* tableau des coordonnees des noeuds quadratiques, |
| 304 |
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le maillage se fait evidemment en lineaire puis on fait un simple |
| 305 |
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post-traitement */ |
| 306 |
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| 307 |
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/* lecture des noeuds ->on remplit coord2 */ |
| 308 |
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gest->coord2 = (float*)calloc(3*(*nb_noeud),sizeof(float)) ; |
| 309 |
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if (gest->coord2 == NULL) |
| 310 |
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{ |
| 311 |
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*ierr = VRAI ; |
| 312 |
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m3d_erreur(ERR_ALLOC); |
| 313 |
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return ; |
| 314 |
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} |
| 315 |
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coord2 = gest->coord2 ; |
| 316 |
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gest->tablin = (int*)calloc((*nb_noeud)+1,sizeof(int)) ; |
| 317 |
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/* les noeuds sont ils des noeuds du maillage */ |
| 318 |
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if (gest->tablin == NULL) |
| 319 |
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{ |
| 320 |
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*ierr = VRAI ; |
| 321 |
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m3d_erreur(ERR_ALLOC); |
| 322 |
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return ; |
| 323 |
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} |
| 324 |
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tablin = gest->tablin ; |
| 325 |
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for (i=0;i<=*nb_noeud;i++) tablin[i] = VRAI ; |
| 326 |
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gest->neww = (int*)calloc((*nb_noeud)+1,sizeof(int)) ; |
| 327 |
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if (gest->neww == NULL) |
| 328 |
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{ |
| 329 |
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*ierr = VRAI ; |
| 330 |
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m3d_erreur(ERR_ALLOC); |
| 331 |
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return ; |
| 332 |
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} |
| 333 |
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neww = gest->neww ; |
| 334 |
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gest->old = (int*)calloc((*nb_noeud)+1,sizeof(int)) ; |
| 335 |
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if (gest->old == NULL) |
| 336 |
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{ |
| 337 |
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*ierr = VRAI ; |
| 338 |
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m3d_erreur(ERR_ALLOC); |
| 339 |
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return ; |
| 340 |
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} |
| 341 |
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old = gest->old ; |
| 342 |
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/* ouverture du fichier */ |
| 343 |
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if (!(stream = fopen(temp,"r"))) |
| 344 |
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{ |
| 345 |
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*ierr = VRAI ; |
| 346 |
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m3d_erreur(ERR_OPEN); |
| 347 |
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return ; |
| 348 |
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} |
| 349 |
|
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/* lecture des 2 lignes d'entetes */ |
| 350 |
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for (i=0;i<2;i++) |
| 351 |
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{ |
| 352 |
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if (!fgets(line,MAX_LINE,stream)) |
| 353 |
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{ |
| 354 |
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*ierr = VRAI ; |
| 355 |
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m3d_erreur(ERR_FORMAT); |
| 356 |
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return ; |
| 357 |
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} |
| 358 |
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} |
| 359 |
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|
| 360 |
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index = 1 ; |
| 361 |
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while ((index != -1) && (index!=0)) |
| 362 |
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{ |
| 363 |
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if (!fgets(line,MAX_LINE,stream)) |
| 364 |
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{ |
| 365 |
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*ierr = VRAI ; |
| 366 |
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m3d_erreur(ERR_FORMAT); |
| 367 |
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return ; |
| 368 |
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} |
| 369 |
|
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tabel[0] = 0 ; |
| 370 |
|
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strncat(tabel,line,5) ;/* 5 premiers caracteres */ |
| 371 |
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index = atoi(tabel) ; |
| 372 |
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} |
| 373 |
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gest->nb_noe_qua = *nb_noeud ; |
| 374 |
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for (i=0;i<*nb_noeud;i++) |
| 375 |
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{ |
| 376 |
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if (!fgets(line,MAX_LINE,stream)) |
| 377 |
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{ |
| 378 |
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*ierr = VRAI ; |
| 379 |
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m3d_erreur(ERR_FORMAT); |
| 380 |
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return ; |
| 381 |
|
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} |
| 382 |
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|
|
| 383 |
|
|
/* coordonnees */ |
| 384 |
|
|
if (sscanf(line,"%d %f %f %f",&j,coord2+3*i,coord2+3*i+1,coord2+3*i+2)!=4) |
| 385 |
|
|
{ |
| 386 |
|
|
*ierr = VRAI ; |
| 387 |
|
|
m3d_erreur(ERR_FORMAT); |
| 388 |
|
|
return ; |
| 389 |
|
|
} |
| 390 |
|
|
} |
| 391 |
|
|
/* on a rempli le tableau des noeuds quadratiques */ |
| 392 |
|
|
/* parcours des elements gestions des noeuds quadratiques */ |
| 393 |
|
|
/* reperer les numeros de noeuds quadratiques */ |
| 394 |
|
|
index = 1 ; |
| 395 |
|
|
while ((index != -2) && (index!=0)) |
| 396 |
|
|
{ |
| 397 |
|
|
if (!fgets(line,MAX_LINE,stream)) |
| 398 |
|
|
{ |
| 399 |
|
|
*ierr = VRAI ; |
| 400 |
|
|
m3d_erreur(ERR_FORMAT); |
| 401 |
|
|
return ; |
| 402 |
|
|
} |
| 403 |
|
|
tabel[0] = 0 ; |
| 404 |
|
|
strncat(tabel,line,5) ;/* 5 premiers caracteres */ |
| 405 |
|
|
index = atoi(tabel) ; |
| 406 |
|
|
} |
| 407 |
|
|
if (index==0) |
| 408 |
|
|
{ |
| 409 |
|
|
*ierr = VRAI ; |
| 410 |
|
|
m3d_erreur(ERR_FORMAT); |
| 411 |
|
|
return ; |
| 412 |
|
|
} |
| 413 |
|
|
gest->numele2 = (int*)calloc(6 * (*nb_ele),sizeof(int)) ; |
| 414 |
|
|
if (gest->numele2 == NULL) |
| 415 |
|
|
{ |
| 416 |
|
|
*ierr = VRAI ; |
| 417 |
|
|
m3d_erreur(ERR_ALLOC); |
| 418 |
|
|
return ; |
| 419 |
|
|
} |
| 420 |
|
|
numele2 = gest->numele2 ; |
| 421 |
|
|
for (i=0;i<*nb_ele;i++) |
| 422 |
|
|
{ |
| 423 |
|
|
if (!fgets(line,MAX_LINE,stream)) |
| 424 |
|
|
{ |
| 425 |
|
|
*ierr = VRAI ; |
| 426 |
|
|
m3d_erreur(ERR_FORMAT); |
| 427 |
|
|
return ; |
| 428 |
|
|
} |
| 429 |
|
|
tabel[0] = 0 ; |
| 430 |
|
|
strncat(tabel,line+20,5) ;/* 5 premiers caracteres */ |
| 431 |
|
|
numele[3*i] = corresp[atoi(tabel)] ; |
| 432 |
|
|
numele2[6*i] = numele[3*i] ; |
| 433 |
|
|
tabel[0] = 0 ; |
| 434 |
|
|
strncat(tabel,line+25,5) ;/* 5 premiers caracteres */ |
| 435 |
|
|
numele2[6*i+1] = corresp[atoi(tabel)] ; |
| 436 |
|
|
tablin[corresp[atoi(tabel)]] = FAUX ; |
| 437 |
|
|
tabel[0] = 0 ; |
| 438 |
|
|
strncat(tabel,line+30,5) ;/* 5 premiers caracteres */ |
| 439 |
|
|
numele[3*i+1] = corresp[atoi(tabel)] ; |
| 440 |
|
|
numele2[6*i+2] = numele[3*i+1] ; |
| 441 |
|
|
tabel[0] = 0 ; |
| 442 |
|
|
strncat(tabel,line+35,5) ;/* 5 premiers caracteres */ |
| 443 |
|
|
numele2[6*i+3] = corresp[atoi(tabel)] ; |
| 444 |
|
|
tablin[corresp[atoi(tabel)]] = FAUX ; |
| 445 |
|
|
tabel[0] = 0 ; |
| 446 |
|
|
strncat(tabel,line+40,5) ;/* 5 premiers caracteres */ |
| 447 |
|
|
numele[3*i+2] = corresp[atoi(tabel)] ; |
| 448 |
|
|
numele2[6*i+4] = numele[3*i+2] ; |
| 449 |
|
|
tabel[0] = 0 ; |
| 450 |
|
|
strncat(tabel,line+45,5) ;/* 5 premiers caracteres */ |
| 451 |
|
|
numele2[6*i+5] = corresp[atoi(tabel)] ; |
| 452 |
|
|
tablin[corresp[atoi(tabel)]] = FAUX ; |
| 453 |
|
|
} |
| 454 |
|
|
/* parcours du tableau des coordonnees coord2 */ |
| 455 |
|
|
*nb_noeud = 0 ; |
| 456 |
|
|
for (i=1;i<=gest->nb_noe_qua;i++)/* numeros fortran */ |
| 457 |
|
|
{ |
| 458 |
|
|
if (tablin[i]==VRAI) |
| 459 |
|
|
{ |
| 460 |
|
|
coord[x(*nb_noeud)] = coord2[x(i-1)] ; |
| 461 |
|
|
coord[y(*nb_noeud)] = coord2[y(i-1)] ; |
| 462 |
|
|
coord[z(*nb_noeud)] = coord2[z(i-1)] ; |
| 463 |
|
|
*nb_noeud = *nb_noeud + 1 ; |
| 464 |
|
|
/* correspondance */ |
| 465 |
|
|
neww[i] = *nb_noeud ; |
| 466 |
|
|
old[*nb_noeud] = i ; |
| 467 |
|
|
} |
| 468 |
|
|
} |
| 469 |
|
|
/* renumerotation des elements */ |
| 470 |
|
|
for (i=0;i<*nb_ele;i++)/* numeros fortran */ |
| 471 |
|
|
{ |
| 472 |
|
|
numele[3*i] = neww[numele[3*i]] ; |
| 473 |
|
|
numele[3*i+1] = neww[numele[3*i+1]] ; |
| 474 |
|
|
numele[3*i+2] = neww[numele[3*i+2]] ; |
| 475 |
|
|
} |
| 476 |
|
|
} |
| 477 |
|
|
fclose(stream) ; |
| 478 |
|
|
free(corresp) ; |
| 479 |
|
|
} |
| 480 |
|
|
else |
| 481 |
|
|
{ |
| 482 |
|
|
*ierr = VRAI ; |
| 483 |
|
|
m3d_erreur(ERR_FORMAT); |
| 484 |
|
|
return ; |
| 485 |
|
|
} |
| 486 |
|
|
return ; |
| 487 |
|
|
} |
