Vektornormierung

$$\vec{e}_{u} = \frac{\vec{u}}{\left\vert \vec{u} \right\vert} = \f... ...{\vec{u} \vec{u}}} = \frac{\vec{u}}{\sqrt[]{u_{x}^{2} + u_{y}^{2} + u_{z}^{2}}}$$ (1.12)

void   VNO(double *v0,double *v1){  //Vektornormierung
   register int i; double temp = VBG(v0) ;
   for(i=0;i<3;i++){  *(v1+i)  = *(v0+i) /  temp;  }; return ;
}