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bechet |
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#include "gestionversion.h" |
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francois |
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#include "toxfem.h" |
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#include "mg_file.h" |
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#include "ot_mathematique.h" |
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#include "tpl_map_entite.h" |
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#include "tpl_relation_entite.h" |
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#include "tpl_octree.h" |
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#include "toxfem_point.h" |
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#include "vct.h" |
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#include <math.h> |
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TOXFEM::TOXFEM(class MG_GESTIONNAIRE *g,class MG_GEOMETRIE *ge,class FEM_MAILLAGE* femm,int nbpas):geo(ge),gest(g),mai(femm),NPAS(nbpas) |
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{ |
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} |
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TOXFEM::~TOXFEM() |
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{ |
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} |
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francois |
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int TOXFEM::estdansletetra(FEM_TETRA *tet,double x,double y, double z) |
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francois |
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{ |
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francois |
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double *xyz1,*xyz2,*xyz3,*xyz4; |
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if (tet->get_nb_fem_noeud()==4) |
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{ |
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xyz1=tet->get_fem_noeud(0)->get_coord(); |
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xyz2=tet->get_fem_noeud(1)->get_coord(); |
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xyz3=tet->get_fem_noeud(2)->get_coord(); |
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xyz4=tet->get_fem_noeud(3)->get_coord(); |
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} |
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if (tet->get_nb_fem_noeud()==10) |
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{ |
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xyz1=tet->get_fem_noeud(0)->get_coord(); |
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xyz2=tet->get_fem_noeud(2)->get_coord(); |
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xyz3=tet->get_fem_noeud(4)->get_coord(); |
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xyz4=tet->get_fem_noeud(9)->get_coord(); |
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} |
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OT_VECTEUR_3D v1(xyz2[0]-xyz1[0],xyz2[1]-xyz1[1],xyz2[2]-xyz1[2]); |
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OT_VECTEUR_3D v2(xyz3[0]-xyz1[0],xyz3[1]-xyz1[1],xyz3[2]-xyz1[2]); |
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OT_VECTEUR_3D v3(xyz4[0]-xyz1[0],xyz4[1]-xyz1[1],xyz4[2]-xyz1[2]); |
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OT_VECTEUR_3D v4(x-xyz1[0],y-xyz1[1],z-xyz1[2]); |
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OT_MATRICE_3D mat(v1,v2,v3); |
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OT_MATRICE_3D mat1(v4,v2,v3); |
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OT_MATRICE_3D mat2(v1,v4,v3); |
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OT_MATRICE_3D mat3(v1,v2,v4); |
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double det=mat.get_determinant(); |
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double xsi=mat1.get_determinant()/det; |
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double eta=mat2.get_determinant()/det; |
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double dseta=mat3.get_determinant()/det; |
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int reponse=1; |
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if (xsi<-0.000001) reponse=0; |
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if (eta<-0.000001) reponse=0; |
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if (dseta<-0.000001) reponse=0; |
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if (xsi+eta+dseta>1.000001) reponse=0; |
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return reponse; |
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} |
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double TOXFEM::calculdist(double *n,double x,double y,double z,FEM_NOEUD* noeud) |
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francois |
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{ |
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double* xyz=noeud->get_coord(); |
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double dist=sqrt((xyz[0]-x)*(xyz[0]-x)+(xyz[1]-y)*(xyz[1]-y)+(xyz[2]-z)*(xyz[2]-z)); |
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OT_VECTEUR_3D vec1(n[0],n[1],n[2]); |
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OT_VECTEUR_3D vec2(xyz[0]-x,xyz[1]-y,xyz[2]-z); |
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double ps=vec1*vec2; |
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if (ps<0.) dist=-dist; |
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return dist; |
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} |
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//void TOXFEM::importer(std::string nomfichier,class MagXchange* data,std::string nomfichierout) |
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void TOXFEM::importer(std::string nomfichier,MG_GROUPE_TOPOLOGIQUE* mggt) |
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{ |
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TPL_MAP_ENTITE<MG_ELEMENT_TOPOLOGIQUE*> lst; |
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int nbface=geo->get_nb_mg_face(); |
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if (mggt!=NULL) |
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{ |
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int nb=mggt->get_nb(); |
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for (int i=0;i<nb;i++) |
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{ |
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lst.ajouter(mggt->get(i)); |
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mggt->get(i)->get_topologie_sousjacente(&lst); |
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} |
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} |
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else |
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{ |
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int nbvol=geo->get_nb_mg_volume(); |
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for (int i=0;i<nbvol;i++) |
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{ |
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lst.ajouter(geo->get_mg_volume(i)); |
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geo->get_mg_volume(i)->get_topologie_sousjacente(&lst); |
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} |
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} |
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int nbvraiface=0; |
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TPL_MAP_ENTITE<MG_ELEMENT_TOPOLOGIQUE*>::ITERATEUR it; |
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for (MG_ELEMENT_TOPOLOGIQUE* ele=lst.get_premier(it);ele!=NULL;ele=lst.get_suivant(it)) |
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if (ele->get_dimension()==2) nbvraiface++; |
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int nb_noeud=mai->get_nb_fem_noeud(); |
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francois |
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std::string nomfichier2=nomfichier+".sol"; |
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francois |
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FEM_SOLUTION* solution=new FEM_SOLUTION(mai,nbvraiface+1,(char*)nomfichier2.c_str(),nb_noeud,"LS_",ENTITE_NOEUD); |
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francois |
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solution->change_legende(0,"Peau"); |
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francois |
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int i=0; |
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for (MG_ELEMENT_TOPOLOGIQUE* ele=lst.get_premier(it);ele!=NULL;ele=lst.get_suivant(it)) |
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francois |
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{ |
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francois |
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if (ele->get_dimension()!=2) continue; |
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if (mggt!=NULL) |
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if (lst.existe(ele)==0) continue; |
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francois |
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char mess[255]; |
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sprintf(mess,"Face %lu",ele->get_id()); |
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++i; |
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solution->change_legende(i,mess); |
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francois |
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} |
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francois |
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gest->ajouter_fem_solution(solution); |
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francois |
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double xmin=1e300,ymin=1e300,zmin=1e308; |
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double xmax=-1e300,ymax=-1e300,zmax=-1e308; |
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francois |
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TPL_MAP_ENTITE<FEM_NOEUD*> lst_noeud; |
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LISTE_FEM_NOEUD::iterator it2; |
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i=0; |
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for (FEM_NOEUD* noeud=mai->get_premier_noeud(it2);noeud!=NULL;noeud=mai->get_suivant_noeud(it2)) |
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{ |
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double* xyz=noeud->get_coord(); |
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if (xyz[0]<xmin) xmin=xyz[0]; |
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if (xyz[1]<ymin) ymin=xyz[1]; |
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if (xyz[2]<zmin) zmin=xyz[2]; |
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if (xyz[0]>xmax) xmax=xyz[0]; |
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if (xyz[1]>ymax) ymax=xyz[1]; |
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if (xyz[2]>zmax) zmax=xyz[2]; |
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francois |
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for (int j=0;j<nbvraiface+1;j++) |
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francois |
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solution->ecrire(i,j,1e300); |
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francois |
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lst_noeud.ajouter(noeud); |
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francois |
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i++; |
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francois |
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} |
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octree.initialiser(&lst_noeud,1,xmin,ymin,zmin,xmax,ymax,zmax); |
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francois |
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LISTE_FEM_TETRA::iterator it3; |
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for (FEM_TETRA* tet=mai->get_premier_tetra(it3);tet!=NULL;tet=mai->get_suivant_tetra(it3)) |
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francois |
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octree.inserer(tet); |
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francois |
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//levelset0(solution,0); |
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francois |
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for (int i=0;i<nbface;i++) |
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{ |
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francois |
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MG_FACE* face=geo->get_mg_face(i); |
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if (!lst.existe(face)) continue; |
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francois |
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vector<MG_FACE*> lstface; |
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francois |
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lstface.push_back(face); |
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/*TPL_LISTE_ENTITE<double> lst; |
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int type=face->get_surface()->get_type_geometrique(lst); |
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int idem=0; |
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for (int j=0;j<i;j++) |
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{ |
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TPL_LISTE_ENTITE<double> lst2; |
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MG_FACE* face2=geo->get_mg_face(j); |
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int type2=face2->get_surface()->get_type_geometrique(lst2); |
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if (type==type2) |
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if (lst.get_nb()==lst2.get_nb()) |
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{ |
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int diff=0; |
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for (int i=0;i<lst.get_nb();i++) |
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if (fabs(lst.get(i)-lst2.get(i))>0.000001) diff=1; |
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if (diff==0) idem=1; |
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} |
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} |
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if (!idem) lstface.push_back(geo->get_mg_face(i)); |
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for (int j=i+1;j<nbface;j++) |
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{ |
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TPL_LISTE_ENTITE<double> lst2; |
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MG_FACE* face2=geo->get_mg_face(j); |
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int type2=face2->get_surface()->get_type_geometrique(lst2); |
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if (type==type2) |
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if (lst.get_nb()==lst2.get_nb()) |
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{ |
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int diff=0; |
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for (int i=0;i<lst.get_nb();i++) |
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if (fabs(lst.get(i)-lst2.get(i))>0.000001) diff=1; |
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if (diff==0) lstface.push_back(face2); |
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} |
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francois |
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}*/ |
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levelsetn(&lst,&lstface,solution,i+1); |
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francois |
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} |
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francois |
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/*if (nomfichierout!="") gest.enregistrer((char*)nomfichierout.c_str()); |
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francois |
106 |
if (data==NULL) return; |
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for (int i=0;i<nb_noeud;i++) |
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{ |
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MG_NOEUD* noeud=mai->get_mg_noeud(i); |
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MagNode *xfemnode; |
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int nbsol=0; |
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for (int j=0;j<nbface+1;j++) |
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if (solution->lire(i,j)<1e200) nbsol++; |
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if (nbsol>0) |
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{ |
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xfemnode=new MagNode(nbsol); |
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int isol=0; |
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for (int j=0;j<nbface+1;j++) |
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if (solution->lire(i,j)<1e200) |
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{ |
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xfemnode->values()[isol]=solution->lire(i,j); |
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xfemnode->idvalues()[isol]=j; |
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isol++; |
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} |
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} // 1 valeur de levelset |
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else |
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xfemnode=new MagNode(0); // 0 valeur de levelset |
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double * posxfem=xfemnode->position(); |
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for (int i=0;i<3;++i) posxfem[i]=noeud->get_coord()[i]; |
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xfemnode->id(noeud->get_id()); |
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data->addnode(*xfemnode,true); |
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delete xfemnode; |
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} |
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int nbtetra=mai->get_nb_mg_tetra(); |
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for (int i=0;i<nbtetra;i++) |
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{ |
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MG_TETRA* tet=mai->get_mg_tetra(i); |
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MagElement xfemele(MagElement::TETRAHEDRON); |
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xfemele.nodes()[0]=tet->get_noeud1()->get_id(); |
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xfemele.nodes()[1]=tet->get_noeud2()->get_id(); |
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xfemele.nodes()[2]=tet->get_noeud3()->get_id(); |
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xfemele.nodes()[3]=tet->get_noeud4()->get_id(); |
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data->addelement(xfemele); |
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francois |
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}*/ |
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francois |
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} |
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francois |
222 |
void TOXFEM::levelset0(FEM_SOLUTION *solution,int numsol) |
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francois |
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{ |
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solution->active_solution(numsol); |
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francois |
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int nbface=geo->get_nb_mg_face(); |
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francois |
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vector<TOXFEM_POINT*> lst; |
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francois |
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for (int iface=0;iface<nbface;iface++) |
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{ |
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francois |
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MG_FACE* face=geo->get_mg_face(iface); |
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int nbpoint=lst.size(); |
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francois |
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TPL_SET<MG_ELEMENT_MAILLAGE*>::ITERATEUR it; |
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for (MG_ELEMENT_MAILLAGE* ele=face->get_lien_maillage()->get_premier(it);ele!=NULL;ele=face->get_lien_maillage()->get_suivant(it)) |
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{ |
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MG_TRIANGLE *tri=(MG_TRIANGLE*)ele; |
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francois |
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TOXFEM_POINT *pt1=new TOXFEM_POINT(tri->get_noeud1()->get_x(),tri->get_noeud1()->get_y(),tri->get_noeud1()->get_z(),tri->get_noeud1()->get_lien_topologie()); |
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TOXFEM_POINT *pt2=new TOXFEM_POINT(tri->get_noeud2()->get_x(),tri->get_noeud2()->get_y(),tri->get_noeud2()->get_z(),tri->get_noeud2()->get_lien_topologie()); |
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TOXFEM_POINT *pt3=new TOXFEM_POINT(tri->get_noeud3()->get_x(),tri->get_noeud3()->get_y(),tri->get_noeud3()->get_z(),tri->get_noeud3()->get_lien_topologie()); |
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lst.push_back(pt1); |
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lst.push_back(pt2); |
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lst.push_back(pt3); |
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francois |
104 |
} |
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francois |
222 |
calcullevelsetpremierepasse(solution,numsol,face,8,&lst,nbpoint,lst.size()); |
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francois |
106 |
} |
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calcullevelsetdeuxiemepasse(solution,numsol,&lst); |
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} |
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francois |
222 |
void TOXFEM::calcullevelsetpremierepasse(FEM_SOLUTION *solution,int numsol,MG_FACE* face,int sens,vector<TOXFEM_POINT*> *lst,int n1,int n2) |
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francois |
106 |
{ |
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for (int i=n1;i<n2;i++) |
| 250 |
francois |
104 |
{ |
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francois |
106 |
TOXFEM_POINT* pt=(*lst)[i]; |
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francois |
104 |
double uv[2]; |
| 253 |
francois |
106 |
double xyz[3]; |
| 254 |
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pt->get_coord3(xyz); |
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francois |
222 |
double normal[3]; |
| 256 |
francois |
104 |
face->inverser(uv,xyz); |
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face->calcul_normale_unitaire(uv,normal); |
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francois |
222 |
normal[0]=normal[0]*sens*(-1.); |
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normal[1]=normal[1]*sens*(-1.); |
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normal[2]=normal[2]*sens*(-1.); |
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TPL_MAP_ENTITE<FEM_TETRA*> liste; |
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francois |
249 |
octree.rechercher(xyz[0],xyz[1],xyz[2],1.,liste); |
| 263 |
francois |
222 |
TPL_MAP_ENTITE<FEM_TETRA*>::ITERATEUR it; |
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for (FEM_TETRA* tet=liste.get_premier(it);tet!=NULL;tet=liste.get_suivant(it)) |
| 265 |
francois |
104 |
{ |
| 266 |
francois |
249 |
//if (estdansletetra(tet,xyz[0],xyz[1],xyz[2])) |
| 267 |
francois |
104 |
{ |
| 268 |
francois |
222 |
for (int k=0;k<tet->get_nb_fem_noeud();k++) |
| 269 |
francois |
106 |
{ |
| 270 |
francois |
222 |
double dist=calculdist(normal,xyz[0],xyz[1],xyz[2],tet->get_fem_noeud(k)); |
| 271 |
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if (fabs(dist)<fabs(tet->get_fem_noeud(k)->get_solution())) |
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{ |
| 273 |
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tet->get_fem_noeud(k)->change_solution(dist); |
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tet->get_fem_noeud(k)->change_numero(pt->get_id()); |
| 275 |
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pt->change_coord2(uv); |
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} |
| 277 |
francois |
106 |
} |
| 278 |
francois |
104 |
} |
| 279 |
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} |
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} |
| 281 |
francois |
106 |
} |
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| 283 |
francois |
222 |
void TOXFEM::calcullevelsetdeuxiemepasse(FEM_SOLUTION *solution,int numsol,vector<TOXFEM_POINT*> *lst) |
| 284 |
francois |
106 |
{ |
| 285 |
francois |
222 |
LISTE_FEM_TETRA::iterator ittet; |
| 286 |
|
|
for (FEM_TETRA* tet=mai->get_premier_tetra(ittet);tet!=NULL;tet=mai->get_suivant_tetra(ittet)) |
| 287 |
francois |
106 |
{ |
| 288 |
francois |
222 |
for (int i=0;i<tet->get_nb_fem_noeud();i++) |
| 289 |
|
|
if (tet->get_fem_noeud(i)->get_solution()<1e250) |
| 290 |
francois |
106 |
{ |
| 291 |
francois |
222 |
TOXFEM_POINT* pt=(*lst)[tet->get_fem_noeud(i)->get_numero()]; |
| 292 |
francois |
106 |
int dim=pt->get_mg_element_topologique()->get_dimension(); |
| 293 |
|
|
if (dim==2) |
| 294 |
|
|
{ |
| 295 |
|
|
MG_FACE* face=(MG_FACE*)pt->get_mg_element_topologique(); |
| 296 |
francois |
222 |
double dist=calcul_distance(tet->get_fem_noeud(i),face,pt); |
| 297 |
francois |
106 |
int signe=1; |
| 298 |
francois |
222 |
if (tet->get_fem_noeud(i)->get_solution()<0) signe=-1; |
| 299 |
|
|
tet->get_fem_noeud(i)->change_solution(signe*dist); |
| 300 |
francois |
106 |
} |
| 301 |
|
|
if (dim==1) |
| 302 |
|
|
{ |
| 303 |
|
|
MG_ARETE* arete=(MG_ARETE*)pt->get_mg_element_topologique(); |
| 304 |
francois |
222 |
double dist=calcul_distance(tet->get_fem_noeud(i),arete,pt); |
| 305 |
|
|
tet->get_fem_noeud(i)->change_solution(dist); |
| 306 |
francois |
106 |
} |
| 307 |
|
|
if (dim==0) |
| 308 |
|
|
{ |
| 309 |
|
|
MG_SOMMET* sommet=(MG_SOMMET*)pt->get_mg_element_topologique(); |
| 310 |
|
|
MG_ARETE* arete=sommet->get_mg_cosommet(0)->get_arete(); |
| 311 |
francois |
222 |
double dist=calcul_distance(tet->get_fem_noeud(i),arete,pt); |
| 312 |
|
|
tet->get_fem_noeud(i)->change_solution(dist); |
| 313 |
francois |
106 |
} |
| 314 |
|
|
|
| 315 |
|
|
} |
| 316 |
francois |
104 |
} |
| 317 |
francois |
222 |
int i=0; |
| 318 |
|
|
LISTE_FEM_NOEUD::iterator itnoeud; |
| 319 |
|
|
for (FEM_NOEUD* noeud=mai->get_premier_noeud(itnoeud);noeud!=NULL;noeud=mai->get_suivant_noeud(itnoeud)) |
| 320 |
francois |
104 |
{ |
| 321 |
francois |
106 |
solution->ecrire(i,numsol,noeud->get_solution()); |
| 322 |
francois |
222 |
++i; |
| 323 |
francois |
104 |
} |
| 324 |
francois |
106 |
int nbpt=(*lst).size(); |
| 325 |
|
|
for (int i=0;i<nbpt;i++) delete (*lst)[i]; |
| 326 |
|
|
TOXFEM_POINT::remisecompteurid(); |
| 327 |
francois |
104 |
|
| 328 |
francois |
106 |
} |
| 329 |
|
|
|
| 330 |
francois |
222 |
double TOXFEM::calcul_distance(FEM_NOEUD* noeud,MG_ARETE* are,TOXFEM_POINT* pt,double precision) |
| 331 |
francois |
106 |
{ |
| 332 |
|
|
double tii,eps; |
| 333 |
|
|
are->inverser(tii,noeud->get_coord()); |
| 334 |
|
|
int compteur=0; |
| 335 |
|
|
OT_VECTEUR_3D Pt(noeud->get_x(),noeud->get_y(),noeud->get_z()); |
| 336 |
|
|
do |
| 337 |
|
|
{ |
| 338 |
|
|
compteur++; |
| 339 |
|
|
double ti=tii; |
| 340 |
|
|
double xyz[3],dxyz[3],ddxyz[3]; |
| 341 |
|
|
are->deriver_seconde(ti,ddxyz,dxyz,xyz); |
| 342 |
|
|
OT_VECTEUR_3D Ct(xyz[0],xyz[1],xyz[2]); |
| 343 |
|
|
OT_VECTEUR_3D Ct_deriver(dxyz[0],dxyz[1],dxyz[2]); |
| 344 |
|
|
OT_VECTEUR_3D Ct_deriver_seconde(ddxyz[0],ddxyz[1],ddxyz[2]); |
| 345 |
|
|
OT_VECTEUR_3D Distance = Ct-Pt; |
| 346 |
|
|
tii=ti-Ct_deriver*Distance/(Ct_deriver_seconde*Distance+Ct_deriver.get_longueur2()); |
| 347 |
|
|
eps=fabs(tii-ti); |
| 348 |
|
|
if (compteur>500) return 1e300; |
| 349 |
|
|
if (tii<are->get_tmin()) |
| 350 |
|
|
{ |
| 351 |
|
|
tii=are->get_tmin(); |
| 352 |
|
|
eps=0.; |
| 353 |
|
|
} |
| 354 |
|
|
if (tii>are->get_tmax()) |
| 355 |
|
|
{ |
| 356 |
|
|
tii=are->get_tmax(); |
| 357 |
|
|
eps=0.; |
| 358 |
|
|
} |
| 359 |
|
|
} |
| 360 |
|
|
while (eps>precision); |
| 361 |
|
|
double xyz[3],dxyz[3]; |
| 362 |
|
|
are->evaluer(tii,xyz); |
| 363 |
|
|
OT_VECTEUR_3D Ct(xyz[0],xyz[1],xyz[2]); |
| 364 |
|
|
double distance=(Ct-Pt).get_longueur(); |
| 365 |
|
|
MG_FACE* face1=are->get_mg_coarete(0)->get_boucle()->get_mg_face(); |
| 366 |
|
|
MG_FACE* face2=are->get_mg_coarete(1)->get_boucle()->get_mg_face(); |
| 367 |
|
|
are->deriver(tii,dxyz); |
| 368 |
|
|
OT_VECTEUR_3D x1(dxyz[0],dxyz[1],dxyz[2]); |
| 369 |
|
|
OT_VECTEUR_3D x2(dxyz[0],dxyz[1],dxyz[2]); |
| 370 |
|
|
x1=are->get_mg_coarete(0)->get_orientation()*x1; |
| 371 |
|
|
x2=are->get_mg_coarete(1)->get_orientation()*x2; |
| 372 |
|
|
x1.norme(); |
| 373 |
|
|
x2.norme(); |
| 374 |
|
|
double uv1[2],uv2[2]; |
| 375 |
|
|
double normal1[3],normal2[3]; |
| 376 |
|
|
face1->inverser(uv1,xyz); |
| 377 |
|
|
face2->inverser(uv2,xyz); |
| 378 |
|
|
face1->calcul_normale_unitaire(uv1,normal1); |
| 379 |
|
|
face2->calcul_normale_unitaire(uv2,normal2); |
| 380 |
|
|
OT_VECTEUR_3D z1(normal1[0],normal1[1],normal1[2]); |
| 381 |
|
|
OT_VECTEUR_3D z2(normal2[0],normal2[1],normal2[2]); |
| 382 |
|
|
z1=face1->get_mg_coface(0)->get_orientation()*z1; |
| 383 |
|
|
z2=face2->get_mg_coface(0)->get_orientation()*z2; |
| 384 |
|
|
OT_VECTEUR_3D y1=z1&x1; |
| 385 |
|
|
OT_VECTEUR_3D y2=z2&x2; |
| 386 |
|
|
double test=(z1&z2)*x1; |
| 387 |
|
|
int signe=-1; |
| 388 |
|
|
OT_VECTEUR_3D dirpt=Pt-Ct; |
| 389 |
|
|
if (test>0) |
| 390 |
|
|
{if ((z1*dirpt>0.) || (z2*dirpt>0.)) signe=1;} |
| 391 |
|
|
else |
| 392 |
|
|
{if ((z1*dirpt>0.) && (z2*dirpt>0.)) signe=1;} |
| 393 |
|
|
return signe*distance; |
| 394 |
|
|
} |
| 395 |
|
|
|
| 396 |
francois |
222 |
double TOXFEM::calcul_distance(FEM_NOEUD* noeud,MG_FACE* face,TOXFEM_POINT* pt,double precision) |
| 397 |
francois |
106 |
{ |
| 398 |
|
|
double uvii[2],eps; |
| 399 |
|
|
pt->get_coord2(uvii); |
| 400 |
|
|
int compteur=0; |
| 401 |
|
|
OT_VECTEUR_3D Pt(noeud->get_x(),noeud->get_y(),noeud->get_z()); |
| 402 |
|
|
double delta_u,delta_v; |
| 403 |
|
|
do |
| 404 |
|
|
{ |
| 405 |
|
|
compteur++; |
| 406 |
|
|
double uvi[2]; |
| 407 |
|
|
uvi[0]=uvii[0]; |
| 408 |
|
|
uvi[1]=uvii[1]; |
| 409 |
|
|
double xyzduu[3],xyzdvv[3],xyzduv[3],xyzdu[3],xyzdv[3],xyz[3]; |
| 410 |
|
|
face->deriver_seconde(uvi,xyzduu,xyzduv,xyzdvv,xyz,xyzdu,xyzdv); |
| 411 |
|
|
OT_VECTEUR_3D S(xyz[0],xyz[1],xyz[2]); |
| 412 |
|
|
OT_VECTEUR_3D Su(xyzdu[0],xyzdu[1],xyzdu[2]); |
| 413 |
|
|
OT_VECTEUR_3D Sv(xyzdv[0],xyzdv[1],xyzdv[2]); |
| 414 |
|
|
OT_VECTEUR_3D Suu(xyzduu[0],xyzduu[1],xyzduu[2]); |
| 415 |
|
|
OT_VECTEUR_3D Suv(xyzduv[0],xyzduv[1],xyzduv[2]); |
| 416 |
|
|
OT_VECTEUR_3D Svv(xyzdvv[0],xyzdvv[1],xyzdvv[2]); |
| 417 |
|
|
OT_VECTEUR_3D Distance = S-Pt; |
| 418 |
|
|
double a[4],b[2]; |
| 419 |
|
|
a[0]=Su.get_longueur2()+Distance*Suu; |
| 420 |
|
|
a[1]=Su*Sv+Distance*Suv; |
| 421 |
|
|
a[2]=Su*Sv+Distance*Suv; |
| 422 |
|
|
a[3]=Sv.get_longueur2()+Distance*Svv; |
| 423 |
|
|
b[0]=Distance*Su;b[0]=-b[0]; |
| 424 |
|
|
b[1]=Distance*Sv;b[1]=-b[1]; |
| 425 |
|
|
double deltau,deltav; |
| 426 |
|
|
double denominateur_delta=(a[0]*a[3]-a[2]*a[1]); |
| 427 |
|
|
if (a[0]<1E-12) |
| 428 |
|
|
deltau=0; |
| 429 |
|
|
else delta_u=(b[0]*a[3]-b[1]*a[1])/denominateur_delta; |
| 430 |
|
|
if (a[3]<1E-12) |
| 431 |
|
|
deltav=0; |
| 432 |
|
|
else delta_v=(a[0]*b[1]-a[2]*b[0])/denominateur_delta; |
| 433 |
|
|
/*if (fabs(denominateur_delta) < ( (fabs(a[0])+fabs(a[1])+fabs(a[2])+fabs(a[3]))*1e-12 ) ) |
| 434 |
|
|
return 1e300;*/ |
| 435 |
|
|
uvii[0]=uvi[0]+delta_u; |
| 436 |
|
|
uvii[1]=uvi[1]+delta_v; |
| 437 |
|
|
if (face->get_surface()->est_periodique_u()==1) |
| 438 |
|
|
{ |
| 439 |
|
|
if(uvii[0]<0.) uvii[0]=face->get_surface()->get_periode_u()-uvii[0]; |
| 440 |
|
|
if(uvii[0]>face->get_surface()->get_periode_u()) uvii[0]=uvii[0]-face->get_surface()->get_periode_u(); |
| 441 |
|
|
} |
| 442 |
|
|
if (face->get_surface()->est_periodique_v()==1) |
| 443 |
|
|
{ |
| 444 |
|
|
if(uvii[1]<0.) uvii[0]=face->get_surface()->get_periode_v()-uvii[1]; |
| 445 |
|
|
if(uvii[1]>face->get_surface()->get_periode_v()) uvii[1]=uvii[1]-face->get_surface()->get_periode_v(); |
| 446 |
|
|
} |
| 447 |
|
|
delta_u=uvii[0]-uvi[0]; |
| 448 |
|
|
delta_v=uvii[1]-uvi[1]; |
| 449 |
|
|
if (compteur>500) return 1e300; |
| 450 |
|
|
} |
| 451 |
|
|
|
| 452 |
|
|
while ((fabs(delta_u)>precision)||(fabs(delta_v)>precision)); |
| 453 |
|
|
double xyz[3]; |
| 454 |
|
|
face->evaluer(uvii,xyz); |
| 455 |
|
|
OT_VECTEUR_3D S(xyz[0],xyz[1],xyz[2]); |
| 456 |
|
|
double distance=(S-Pt).get_longueur(); |
| 457 |
|
|
return distance; |
| 458 |
|
|
} |
| 459 |
|
|
|
| 460 |
francois |
222 |
void TOXFEM::levelsetn(TPL_MAP_ENTITE<MG_ELEMENT_TOPOLOGIQUE*> *lsttopo,vector<MG_FACE*> *lstface,class FEM_SOLUTION* solution,int numsol) |
| 461 |
francois |
106 |
{ |
| 462 |
|
|
solution->active_solution(numsol); |
| 463 |
|
|
int nbface=lstface->size(); |
| 464 |
|
|
if (nbface==0) return; |
| 465 |
|
|
vector<TOXFEM_POINT*> lst; |
| 466 |
francois |
222 |
BOITE_2D boite=ot.get_boite_2D((*lstface)[0]); |
| 467 |
|
|
for (int iface=1;iface<nbface;iface++) |
| 468 |
francois |
104 |
{ |
| 469 |
francois |
222 |
MG_FACE* face=(*lstface)[iface]; |
| 470 |
|
|
BOITE_2D boiteface=ot.get_boite_2D(face); |
| 471 |
|
|
boite=boite+boiteface; |
| 472 |
|
|
} |
| 473 |
|
|
MG_FACE* face=(*lstface)[0]; |
| 474 |
|
|
int trouve=0; |
| 475 |
|
|
int orientation; |
| 476 |
|
|
int j=0; |
| 477 |
|
|
do |
| 478 |
|
|
{ |
| 479 |
|
|
MG_COFACE* coface=face->get_mg_coface(j); |
| 480 |
|
|
MG_VOLUME* vol=coface->get_coquille()->get_mg_volume(); |
| 481 |
|
|
if (lsttopo->existe(vol)) |
| 482 |
francois |
104 |
{ |
| 483 |
francois |
222 |
orientation=coface->get_orientation(); |
| 484 |
|
|
trouve=1; |
| 485 |
francois |
106 |
} |
| 486 |
francois |
222 |
j++; |
| 487 |
francois |
104 |
} |
| 488 |
francois |
222 |
while (trouve==0); |
| 489 |
|
|
double umin=boite.get_xmin(); |
| 490 |
|
|
double umax=boite.get_xmax(); |
| 491 |
|
|
double vmin=boite.get_ymin(); |
| 492 |
|
|
double vmax=boite.get_ymax(); |
| 493 |
francois |
106 |
if (face->get_surface()->est_periodique_u()) |
| 494 |
francois |
104 |
{ |
| 495 |
francois |
106 |
umin=0; |
| 496 |
|
|
umax=face->get_surface()->get_periode_u(); |
| 497 |
francois |
104 |
} |
| 498 |
francois |
106 |
if (face->get_surface()->est_periodique_v()) |
| 499 |
|
|
{ |
| 500 |
|
|
vmin=0; |
| 501 |
|
|
vmax=face->get_surface()->get_periode_v(); |
| 502 |
|
|
} |
| 503 |
|
|
for (int i=-5;i<NPAS+5;i++) |
| 504 |
|
|
for (int j=-5;j<NPAS+5;j++) |
| 505 |
|
|
{ |
| 506 |
francois |
222 |
double uv[2]; |
| 507 |
francois |
106 |
uv[0]=umin+i*1.0/NPAS*(umax-umin); |
| 508 |
|
|
uv[1]=vmin+j*1.0/NPAS*(vmax-vmin); |
| 509 |
|
|
double xyz[3]; |
| 510 |
|
|
if ((face->valide_parametre_u(uv[0])) && (face->valide_parametre_u(uv[1]))) |
| 511 |
|
|
{ |
| 512 |
|
|
face->evaluer(uv,xyz); |
| 513 |
|
|
TOXFEM_POINT *pt=new TOXFEM_POINT(xyz[0],xyz[1],xyz[2],face); |
| 514 |
|
|
lst.push_back(pt); |
| 515 |
|
|
} |
| 516 |
|
|
} |
| 517 |
francois |
222 |
calcullevelsetpremierepasse(solution,numsol,face,orientation,&lst,0,lst.size()); |
| 518 |
|
|
calcullevelsetdeuxiemepasse(solution,numsol,&lst); |
| 519 |
francois |
249 |
//etendrelevelset(solution,numsol); |
| 520 |
francois |
104 |
} |
| 521 |
francois |
106 |
|
| 522 |
francois |
222 |
void TOXFEM::etendrelevelset(FEM_SOLUTION* sol,int numsol) |
| 523 |
|
|
{ |
| 524 |
|
|
sol->active_solution(numsol); |
| 525 |
|
|
|
| 526 |
|
|
|
| 527 |
|
|
LISTE_FM know; |
| 528 |
|
|
LISTE_FM trial; |
| 529 |
|
|
LISTE_FM far; |
| 530 |
|
|
LISTE_FM exterieur; |
| 531 |
|
|
LISTE_FM_TRI trialtri; |
| 532 |
|
|
LISTE_FM_TRI_ID trialtriid; |
| 533 |
|
|
|
| 534 |
|
|
|
| 535 |
|
|
LISTE_FEM_TETRA::iterator ittet; |
| 536 |
|
|
for (FEM_TETRA* tet=mai->get_premier_tetra(ittet);tet!=NULL;tet=mai->get_suivant_tetra(ittet)) |
| 537 |
|
|
{ |
| 538 |
|
|
tet->change_solution(0.); |
| 539 |
|
|
int numsol=0; |
| 540 |
|
|
if (tet->get_fem_noeud(0)->get_solution()<1e200) {numsol++;tet->get_fem_noeud(0)->change_numero(1);} else tet->get_fem_noeud(0)->change_numero(0); |
| 541 |
|
|
if (tet->get_fem_noeud(1)->get_solution()<1e200) {numsol++;tet->get_fem_noeud(1)->change_numero(1);} else tet->get_fem_noeud(1)->change_numero(0); |
| 542 |
|
|
if (tet->get_fem_noeud(2)->get_solution()<1e200) {numsol++;tet->get_fem_noeud(2)->change_numero(1);} else tet->get_fem_noeud(2)->change_numero(0); |
| 543 |
|
|
if (tet->get_fem_noeud(3)->get_solution()<1e200) {numsol++;tet->get_fem_noeud(3)->change_numero(1);} else tet->get_fem_noeud(3)->change_numero(0); |
| 544 |
|
|
if (numsol==4) |
| 545 |
|
|
ajouter_liste(know,tet); |
| 546 |
|
|
|
| 547 |
|
|
else if (numsol==3) |
| 548 |
|
|
{ |
| 549 |
|
|
if (tet->get_fem_noeud(0)->get_numero()==0) tet->change_numero(0); |
| 550 |
|
|
else if (tet->get_fem_noeud(1)->get_numero()==0) tet->change_numero(1); |
| 551 |
|
|
else if (tet->get_fem_noeud(2)->get_numero()==0) tet->change_numero(2); |
| 552 |
|
|
else tet->change_numero(3); |
| 553 |
|
|
ajouter_liste(trial,tet); |
| 554 |
|
|
} |
| 555 |
|
|
else |
| 556 |
|
|
ajouter_liste(far,tet); |
| 557 |
|
|
|
| 558 |
|
|
} |
| 559 |
|
|
for (LISTE_FM::iterator i=trial.begin();i!=trial.end();i++) |
| 560 |
|
|
{ |
| 561 |
|
|
FEM_TETRA* tet=*i; |
| 562 |
|
|
int signe; |
| 563 |
|
|
double sol=resoudgradT(tet,&signe); |
| 564 |
|
|
if (fabs(sol)>0.00000001) |
| 565 |
|
|
{ |
| 566 |
|
|
if (fabs(sol)<fabs(tet->get_fem_noeud(tet->get_numero())->get_solution())) |
| 567 |
|
|
{ |
| 568 |
|
|
tet->get_fem_noeud(tet->get_numero())->change_solution(sol); |
| 569 |
|
|
ajouter_liste(trialtri,trialtriid,tet,fabs(tet->get_fem_noeud(tet->get_numero())->get_solution())); |
| 570 |
|
|
} |
| 571 |
|
|
} |
| 572 |
|
|
else |
| 573 |
|
|
{ |
| 574 |
|
|
ajouter_liste(exterieur,tet); |
| 575 |
|
|
tet->change_solution(1e300); |
| 576 |
|
|
} |
| 577 |
|
|
} |
| 578 |
|
|
int fin=0; |
| 579 |
|
|
LISTE_FM_TRI::iterator itfin=trialtri.end(); |
| 580 |
|
|
itfin--; |
| 581 |
|
|
double longref=(*itfin).first; |
| 582 |
|
|
do |
| 583 |
|
|
{ |
| 584 |
|
|
LISTE_FM_TRI::iterator it=trialtri.begin(); |
| 585 |
|
|
FEM_TETRA* tet=(*it).second; |
| 586 |
|
|
double longcourant=(*it).first; |
| 587 |
|
|
supprimer_liste(trialtri,trialtriid,tet); |
| 588 |
|
|
ajouter_liste(know,tet); |
| 589 |
|
|
FEM_NOEUD* noeud=tet->get_fem_noeud(tet->get_numero()); |
| 590 |
|
|
noeud->change_numero(1); |
| 591 |
|
|
if (noeud->get_solution()>20000) |
| 592 |
|
|
cout << "BUGGGGGGG" <<endl; |
| 593 |
|
|
int nbtetra=noeud->get_lien_tetra()->get_nb(); |
| 594 |
|
|
for (int i=0;i<nbtetra;i++) |
| 595 |
|
|
{ |
| 596 |
|
|
FEM_TETRA* tet2=noeud->get_lien_tetra()->get(i); |
| 597 |
|
|
if (tet2==tet) continue; |
| 598 |
|
|
LISTE_FM_TRI_ID::iterator it=trialtriid.find(tet2->get_id()); |
| 599 |
|
|
if (it!=trialtriid.end()) |
| 600 |
|
|
{ |
| 601 |
|
|
int signe; |
| 602 |
|
|
double sol=resoudgradT(tet2,&signe); |
| 603 |
|
|
double solution=tet2->get_fem_noeud(tet2->get_numero())->get_solution(); |
| 604 |
|
|
if (fabs(sol)>0.00000001) |
| 605 |
|
|
if (!((solution<1e200)&&(sol*solution<0))) |
| 606 |
|
|
if (fabs(sol)<fabs(solution)) |
| 607 |
|
|
{ |
| 608 |
|
|
supprimer_liste(trialtri,trialtriid,tet2); |
| 609 |
|
|
ajouter_liste(trialtri,trialtriid,tet2,fabs(sol)); |
| 610 |
|
|
tet2->get_fem_noeud(tet2->get_numero())->change_solution(sol); |
| 611 |
|
|
} |
| 612 |
|
|
} |
| 613 |
|
|
LISTE_FM::iterator it2=find(far.begin(),far.end(),tet2); |
| 614 |
|
|
if (it2!=far.end()) |
| 615 |
|
|
{ |
| 616 |
|
|
int numsol=0; |
| 617 |
|
|
if (tet2->get_fem_noeud(0)->get_numero()==1) numsol++; |
| 618 |
|
|
if (tet2->get_fem_noeud(1)->get_numero()==1) numsol++; |
| 619 |
|
|
if (tet2->get_fem_noeud(2)->get_numero()==1) numsol++; |
| 620 |
|
|
if (tet2->get_fem_noeud(3)->get_numero()==1) numsol++; |
| 621 |
|
|
//if (numsol==4) |
| 622 |
|
|
//cout << " BUG " <<endl; |
| 623 |
|
|
if (numsol==3) |
| 624 |
|
|
{ |
| 625 |
|
|
if (tet2->get_fem_noeud(0)->get_numero()==0) tet2->change_numero(0); |
| 626 |
|
|
else if (tet2->get_fem_noeud(1)->get_numero()==0) tet2->change_numero(1); |
| 627 |
|
|
else if (tet2->get_fem_noeud(2)->get_numero()==0) tet2->change_numero(2); |
| 628 |
|
|
else tet2->change_numero(3); |
| 629 |
|
|
int signe; |
| 630 |
|
|
double sol=resoudgradT(tet2,&signe); |
| 631 |
|
|
double ancsol=tet2->get_fem_noeud(tet2->get_numero())->get_solution(); |
| 632 |
|
|
if (fabs(sol)>0.00000001) |
| 633 |
|
|
{ |
| 634 |
|
|
if (!((ancsol<1e200) && (ancsol*sol<0.) )) |
| 635 |
|
|
{ |
| 636 |
|
|
tet2->get_fem_noeud(tet2->get_numero())->change_solution(sol); |
| 637 |
|
|
supprimer_liste(far,tet2); |
| 638 |
|
|
ajouter_liste(trialtri,trialtriid,tet2,fabs(sol)); |
| 639 |
|
|
} |
| 640 |
|
|
} |
| 641 |
|
|
else |
| 642 |
|
|
{ |
| 643 |
|
|
tet2->change_solution(1e300); |
| 644 |
|
|
ajouter_liste(exterieur,tet2); |
| 645 |
|
|
} |
| 646 |
|
|
} |
| 647 |
|
|
} |
| 648 |
|
|
} |
| 649 |
|
|
if (trialtri.size()==0) fin=1; |
| 650 |
|
|
if (exterieur.size()>0) |
| 651 |
|
|
if (fin==0) |
| 652 |
|
|
if (longcourant>longref) |
| 653 |
|
|
{ |
| 654 |
|
|
int nombre=exterieur.size(); |
| 655 |
|
|
for (int i=0;i<nombre;i++) |
| 656 |
|
|
{ |
| 657 |
|
|
FEM_TETRA* tet2=(*(exterieur.begin())); |
| 658 |
|
|
supprimer_liste(exterieur,tet2); |
| 659 |
|
|
ajouter_liste(know,tet2); |
| 660 |
|
|
for (int nd=0;nd<4;nd++) |
| 661 |
|
|
{ |
| 662 |
|
|
FEM_NOEUD* noeud=tet2->get_fem_noeud(nd); |
| 663 |
|
|
int nbtetra=noeud->get_lien_tetra()->get_nb(); |
| 664 |
|
|
for (int i=0;i<nbtetra;i++) |
| 665 |
|
|
{ |
| 666 |
|
|
FEM_TETRA* tet3=noeud->get_lien_tetra()->get(i); |
| 667 |
|
|
if (tet2==tet3) continue; |
| 668 |
|
|
LISTE_FM::iterator it2=find(far.begin(),far.end(),tet3); |
| 669 |
|
|
if (it2!=far.end()) |
| 670 |
|
|
{ |
| 671 |
|
|
supprimer_liste(far,tet3); |
| 672 |
|
|
ajouter_liste(exterieur,tet3); |
| 673 |
|
|
tet3->change_solution(1e300); |
| 674 |
|
|
} |
| 675 |
|
|
} |
| 676 |
|
|
} |
| 677 |
|
|
} |
| 678 |
|
|
LISTE_FM_TRI::iterator itfin=trialtri.end(); |
| 679 |
|
|
itfin--; |
| 680 |
|
|
longref=(*itfin).first; |
| 681 |
|
|
} |
| 682 |
|
|
} |
| 683 |
|
|
while (fin==0); |
| 684 |
|
|
LISTE_FEM_NOEUD::iterator itnoeud; |
| 685 |
|
|
for (FEM_NOEUD* noeud=mai->get_premier_noeud(itnoeud);noeud!=NULL;noeud=mai->get_suivant_noeud(itnoeud)) |
| 686 |
|
|
noeud->change_numero(0); |
| 687 |
|
|
for (FEM_TETRA* tet=mai->get_premier_tetra(ittet);tet!=NULL;tet=mai->get_suivant_tetra(ittet)) |
| 688 |
|
|
{ |
| 689 |
|
|
if (tet->get_solution()>1e200) continue; |
| 690 |
|
|
tet->get_fem_noeud(0)->change_numero(1); |
| 691 |
|
|
tet->get_fem_noeud(1)->change_numero(1); |
| 692 |
|
|
tet->get_fem_noeud(2)->change_numero(1); |
| 693 |
|
|
tet->get_fem_noeud(3)->change_numero(1); |
| 694 |
|
|
} |
| 695 |
|
|
int i=0; |
| 696 |
|
|
for (FEM_NOEUD* noeud=mai->get_premier_noeud(itnoeud);noeud!=NULL;noeud=mai->get_suivant_noeud(itnoeud)) |
| 697 |
|
|
{ |
| 698 |
|
|
if (noeud->get_numero()==1) sol->ecrire(i,numsol,noeud->get_solution()); else sol->ecrire(i,numsol,1e300); |
| 699 |
|
|
++i; |
| 700 |
|
|
} |
| 701 |
|
|
} |
| 702 |
|
|
|
| 703 |
|
|
void TOXFEM::ajouter_liste(LISTE_FM_TRI &lst,LISTE_FM_TRI_ID &lstid,FEM_TETRA* tet,double val) |
| 704 |
|
|
{ |
| 705 |
|
|
pair<double,FEM_TETRA*> p(val,tet); |
| 706 |
|
|
LISTE_FM_TRI::iterator it=lst.insert(p); |
| 707 |
|
|
lstid[tet->get_id()]=it; |
| 708 |
|
|
} |
| 709 |
|
|
|
| 710 |
|
|
void TOXFEM::supprimer_liste(LISTE_FM_TRI &lst,LISTE_FM_TRI_ID &lstid,FEM_TETRA* tet) |
| 711 |
|
|
{ |
| 712 |
|
|
LISTE_FM_TRI::iterator it2=lstid[tet->get_id()]; |
| 713 |
|
|
LISTE_FM_TRI_ID::iterator it3=lstid.find(tet->get_id()); |
| 714 |
|
|
lstid.erase(it3); |
| 715 |
|
|
lst.erase(it2); |
| 716 |
|
|
} |
| 717 |
|
|
|
| 718 |
|
|
void TOXFEM::ajouter_liste(LISTE_FM& lst,FEM_TETRA* tet) |
| 719 |
|
|
{ |
| 720 |
|
|
lst.push_back(tet); |
| 721 |
|
|
} |
| 722 |
|
|
|
| 723 |
|
|
void TOXFEM::supprimer_liste(LISTE_FM& lst,FEM_TETRA* tet) |
| 724 |
|
|
{ |
| 725 |
|
|
LISTE_FM::iterator it=find(lst.begin(),lst.end(),tet); |
| 726 |
|
|
if (it!=lst.end()) lst.erase(it); |
| 727 |
|
|
} |
| 728 |
|
|
|
| 729 |
|
|
|
| 730 |
|
|
|
| 731 |
|
|
double TOXFEM::resoudgradT(FEM_TETRA* tet,int *signe) |
| 732 |
|
|
{ |
| 733 |
|
|
double j[9]; |
| 734 |
|
|
double N[12]; |
| 735 |
|
|
double jN[12]={0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.}; |
| 736 |
|
|
double T[4]; |
| 737 |
|
|
double uv[2]={0.25,0.25}; |
| 738 |
|
|
|
| 739 |
|
|
|
| 740 |
|
|
tet->get_inverse_jacob(j,uv); |
| 741 |
|
|
for (int i=0;i<3;i++) |
| 742 |
|
|
for (int k=0;k<4;k++) |
| 743 |
|
|
N[i*4+k]=tet->get_fonction_derive_interpolation(k+1,i+1,uv); |
| 744 |
|
|
int premier=0; |
| 745 |
|
|
double tmin=1e300; |
| 746 |
|
|
double tmax=-1e300; |
| 747 |
|
|
for (int i=0;i<4;i++) |
| 748 |
|
|
{ |
| 749 |
|
|
if (i==tet->get_numero()) continue; |
| 750 |
|
|
T[i]=tet->get_fem_noeud(i)->get_solution(); |
| 751 |
|
|
if (fabs(T[i])>0.000001) |
| 752 |
|
|
{ |
| 753 |
|
|
if (premier==0) |
| 754 |
|
|
if (T[i]>0) (*signe)=1; else (*signe)=-1; |
| 755 |
|
|
else if (T[i]*(*signe)<0) (*signe)=0; |
| 756 |
|
|
} |
| 757 |
|
|
T[i]=fabs(T[i]); |
| 758 |
|
|
if (tet->get_numero()!=i) |
| 759 |
|
|
{ |
| 760 |
|
|
if (T[i]<tmin) tmin=T[i]; |
| 761 |
|
|
if (T[i]>tmax) tmax=T[i]; |
| 762 |
|
|
} |
| 763 |
|
|
premier=1; |
| 764 |
|
|
} |
| 765 |
|
|
for (int i=0;i<3;i++) |
| 766 |
|
|
for (int k=0;k<4;k++) |
| 767 |
|
|
for (int l=0;l<3;l++) |
| 768 |
|
|
jN[i*4+k]=jN[i*4+k]+j[i*3+l]*N[l*4+k]; |
| 769 |
|
|
double a=0.,b=0.,c=-1.; |
| 770 |
|
|
for (int i=0;i<3;i++) |
| 771 |
|
|
{ |
| 772 |
|
|
double coef=0.; |
| 773 |
|
|
double coefinc=0.; |
| 774 |
|
|
for (int l=0;l<4;l++) |
| 775 |
|
|
{ |
| 776 |
|
|
if (tet->get_numero()!=l) coef=coef+jN[i*4+l]*T[l]; |
| 777 |
|
|
else coefinc=coefinc+jN[i*4+l]; |
| 778 |
|
|
} |
| 779 |
|
|
c=c+coef*coef; |
| 780 |
|
|
a=a+coefinc*coefinc; |
| 781 |
|
|
b=b+2*coef*coefinc; |
| 782 |
|
|
} |
| 783 |
|
|
/*if (*signe==0) |
| 784 |
|
|
cout << "attention " <<endl;*/ |
| 785 |
|
|
double det=b*b-4.*a*c; |
| 786 |
|
|
if (det<0.) det=0.; else det=sqrt(det); |
| 787 |
|
|
double sol1=(-b-det)/2./a; |
| 788 |
|
|
double sol2=(-b+det)/2./a; |
| 789 |
|
|
double sol=sol1; |
| 790 |
|
|
if (sol2>sol1) sol=sol2; |
| 791 |
|
|
if (sol<tmin*0.99) |
| 792 |
|
|
sol=0.; |
| 793 |
|
|
sol=sol*(*signe); |
| 794 |
|
|
return sol; |
| 795 |
|
|
} |
