| 3555 | |
| 3556 | |
| 3557 | shared_ptr<CoefficientFunction> Diff (const CoefficientFunction * var, |
| 3558 | shared_ptr<CoefficientFunction> dir) const override |
| 3559 | { |
| 3560 | if (this == var) return dir; |
| 3561 | return c1->Diff(var,dir)*c2 + c1 * c2->Diff(var,dir); |
| 3562 | } |
| 3563 | |
| 3564 | shared_ptr<CoefficientFunction> DiffJacobi (const CoefficientFunction * var, T_DJC & cache) const override |
| 3565 | { |