
220 High Performance Programming for Soft Computing
• Being a list of City objects, the Vaccine has the properties EndCity
and StartCity, where the fi rst and last City objects of the vaccine
are readily available for their later used for the Expansion step.
• With the property Length, the distance of the partial tour of the City
objects included in the Vaccine object is obtained.
• The public property Center represents the location of the Vaccine on
the map. It is required because the original City objects that are now
part of the Vaccine are removed; therefore, it is indispensable to add
a placeholder representation of the vaccine on ...