These generic functions need to be defined to allow for the automatic dispaching mechanism.
increasePrecision(object, ...)getPositions(object, ...)
specifies the object from which the method is to be applied.
optional parameters; for documentation see the documentation of the methods to the generic.
For an overview on the classes of the framework, and all of their
methods, see the class diagrams in the package description
[cf. quantspec-package
].