| 1930 | } |
| 1931 | |
| 1932 | shared_ptr<CoefficientFunction> Diff (const CoefficientFunction * var, |
| 1933 | shared_ptr<CoefficientFunction> dir) const override |
| 1934 | { |
| 1935 | if (this == var) return dir; |
| 1936 | return scal * c1->Diff(var, dir); |
| 1937 | } |
| 1938 | |
| 1939 | shared_ptr<CoefficientFunction> DiffJacobi (const CoefficientFunction * var, T_DJC & cache) const override |
| 1940 | { |