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francois |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include "p3d_cst.h" |
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#include "m3d_struct.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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extern GEST_MEM *gest ; |
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extern int debug ; |
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int p3d_aut(void) |
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{ |
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/* ************************************************* */ |
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/* declaration des variables internes a la procedure */ |
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int i, num1 ; |
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/* |
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table contenant les tetes de liste de segments |
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tab_seg[i] contient la tete de liste des segments |
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dont le premier noeud est le noeud de numero i |
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Ces segments sont crees a partir des elements |
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*/ |
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int p3d_connec(), p3d_envel() ; |
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int nb_int ; |
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SURFACE *surf ; |
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ELEMENT *ele ; |
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/* ************************************************* */ |
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/* debut du code executable */ |
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/* construction de la table des segments */ |
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/* passage c fortran */ |
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/* tableau des listes de segments connectes au noeud */ |
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gest->tab_seg=(SEGMENT**)calloc((gest->nb_init),sizeof(struct st_segment*)) ; |
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ERREUR_ALLOC(gest->tab_seg) |
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/* initialiser tab_seg */ |
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/* boucle sur le nombre de noeuds initial */ |
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for (i=0 ;i<gest->nb_init;i++) gest->tab_seg[i]=NULL ; |
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/* table des elements 2d */ |
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gest->tab_ele = (ELEMENT *)calloc(gest->nb_2d,sizeof(ELEMENT)) ; |
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ERREUR_ALLOC(gest->tab_ele) |
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for (i=0 ;i<gest->nb_2d;i++) |
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{ |
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(gest->tab_ele[i]).num = i ; |
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(gest->tab_ele[i]).mark = 0 ; |
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(gest->tab_ele[i]).suivant = NULL ; |
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} |
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gest->tab_ele2 = (ELEMENT *)calloc(gest->nb_2d,sizeof(ELEMENT)) ; |
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ERREUR_ALLOC(gest->tab_ele2) |
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for (i=0 ;i<gest->nb_2d;i++) |
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{ |
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(gest->tab_ele2[i]).num = i ; |
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(gest->tab_ele2[i]).mark = 0 ; |
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(gest->tab_ele2[i]).suivant = NULL ; |
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} |
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/* verifier la connectivite : surface ouverte ... */ |
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if (!p3d_connec()) |
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{ |
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if (debug) printf("%s\n"," erreur dans p3d_connec P3DAUT ") ; |
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return(FAUX) ; |
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} |
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/* pas de probleme de connectivite */ |
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/* determination du nombre de surfaces de peau */ |
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if (!p3d_envel()) return(FAUX) ; |
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free(gest->tab_ele2) ; |
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gest->tab_ele2 = NULL ; |
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/* erreur systeme */ |
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/* le traitement s'est bien passe */ |
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/* on poursuit la verif */ |
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/* arborescence */ |
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/* nombre de surfaces interieures */ |
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surf = (gest->envel)->surf_int ; |
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nb_int = 0 ; |
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while (surf!=NULL) |
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{ |
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nb_int ++ ; |
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surf=surf->suivant ; |
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} |
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if (debug) printf(" nombre de surfaces interieures %d\n",nb_int) ; |
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/* parcours des elements des surfaces exterieures, changer la direction de la |
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normale (il suffit d'intervertir les 2 premiers numeros de noeuds */ |
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surf = (gest->envel)->surf_ext ; |
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while (surf!=NULL) |
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{ |
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ele = surf->ele ; |
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while (ele!=NULL) |
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{ |
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num1 = gest->tabele[3*(ele->num)] ; |
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gest->tabele[3*(ele->num)] = gest->tabele[3*(ele->num)+1] ; |
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gest->tabele[3*(ele->num)+1]=num1 ; |
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ele=ele->suivant ; |
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} |
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surf=surf->suivant; |
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} |
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free(gest->tab_seg) ; |
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gest->tab_seg = NULL ; |
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return(VRAI) ; |
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} |
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