38 PIR_COURBE(
unsigned long num,PG_COURBE *crb);
39 PIR_COURBE(PG_COURBE *crb);
40 PIR_COURBE(PIR_COURBE& mdd);
41 virtual ~PIR_COURBE();
42 virtual void evaluer(
double t,
double *xyz);
43 virtual void deriver(
double t,
double *xyz);
44 virtual void deriver_seconde(
double t,
double *ddxyz,
double* dxyz = NULL,
double* xyz = NULL );
45 virtual void inverser(
double& t,
double *xyz,
double precision=1e-6);
46 virtual int est_periodique(
void);
47 virtual double get_periode(
void);
48 virtual double get_longueur(
double t1,
double t2,
double precis=1e-6);
49 virtual void enregistrer(std::ostream& o,
double version);
51 const PG_COURBE *courbe;