switch (degree) {
case 3 :
coeff.SetValue(coeff.Lower()+3, gp_Pnt(DX*Di3, DY*Di3, DZ*Di3));
+ Standard_FALLTHROUGH
case 2 :
coeff.SetValue(coeff.Lower()+2, gp_Pnt(CX*Di2, CY*Di2, CZ*Di2));
+ Standard_FALLTHROUGH
case 1 :
coeff.SetValue(coeff.Lower()+1, gp_Pnt(BX*Di, BY*Di, BZ*Di));
coeff.SetValue(coeff.Lower()+0, gp_Pnt(AX, AY, AZ));