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Algorithm::Evolutionary::Fitness::String(3) User Contributed Perl Documentation Algorithm::Evolutionary::Fitness::String(3)

Algorithm::Evolutionary::Fitness::String - Base class for string-based fitness functors

    package My::Own::Fitness;
    use base 'Algorithm::Evolutionary::Fitness::String'; #Mainly for deriving
    
    my $evaluator = new My::Own::Fitness;
    my $cache_hits = $evaluator->cached_evals();

Base class for fitness functions applied to string-based chromosomes; extracts common code, and saves time. Provides a hash called %cache to be used as a, well, cache for evaluations. Assumes it's using the "_str" instance variable of the chromosome

Initializes the cache

Applies the instantiated problem to a chromosome, delegating to a specific function

This one applies the function to the string. Should be overloaded

Returns the number of keys in the evaluation cache, which can be compared to the total number of evaluations to find the cache hit rate.

  This file is released under the GPL. See the LICENSE file included in this distribution,
  or go to http://www.fsf.org/licenses/gpl.txt
2014-10-25 perl v5.32.1

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