PGAEvaluate(3) on Linux
The text a1ddf34c8273, as Debian 1.1 (Buzz) shipped it.
Calls a user-specified function to return an evaluation of each string in the population. The user-specified function is only called if the string has been changed (e.g., by crossover or mutation) or the user has explicitly signaled the string's evaluation is out-of-date by a call to PGASetEvaluationUpToDateFlag().