The derived classes

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The derived classes

Every time a new optimization algorithm or a new simulator must be introduced a new class should be derived from the main classes.

As examples, the class for the HSPICE simulator is derived as:

$\begin{listingcont} class Hspice: public EvaluationAlgorithm { private: ... pub... ...it, const double *NewWidth, const unsigned* ValidPath); }; \end{listingcont}$

and the class for the Powell optimization algorithm (§4.2.3.2, page ) is derived as:

$\begin{listingcont} class Powell: public OptimizationAlgorithm { private: ... p... ... EvaluationAlgorithm& simulation ); ~Powell(); int Run(); }; \end{listingcont}$

Basically, both the classes should provide only the method Run(...) (with different parameters, of course), that performs the real simulation or the real optimization algorithm.

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