densities/indices.cc            -- randomly determines the bi-rad category for
                                    every screening round age

tumor/reset.cc                  -- resets the tumor's parameters like tumor
                                    age, p(survival), doublingtime, selfdetect
                                    age etc. Called from Loop:initialize,
                                    called from Loop::womenLoop for every
                                    simulated case 

tumor/tumorage.cc               -- given the cumulative risk distribution for
                                    having a tumor, an age from that
                                    distribution is randomly drawn (used by
                                    Tumor::reset)

incidence/carrier.cc            -- determines which incidence carrier is used

vary/refresh.cc               -- if 'variableVary:' was specified, the
                                    values used for the Growth, Survival, and
                                    Incidence parameters like risk, mean and
                                    std. dev. are updated

loop/maybedetect.cc             -- determines whether, given a modality's
                                    sensitivity, a false negative occurred


loop/naturaldeathage.cc         -- from Loop::initialize in Loop::womenLoop:
                                    for each simulated case (woman):
                                    determines the case's natural death age

loop/checkseed.cc               -- at each new iteration: determines whether
                                    the random number generator is reset using
                                    the original seed or using the next seed
                                    value 

loop/maybefalsepositive.cc      -- determines whether, given a modality's
                                    specificity, a false positive occurred

loop/use.cc                     -- determines whether a modality is used by
                                    a screening round

loop/loop1.cc                   -- resets the generators if variableVary
                                    was specified

loop/iterate.cc                 -- initializes the generators


----------------------------------

Candidates for a separate random number generator:

loop/naturaldeathage.cc
 
