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Very cool. Can you make a branch in Subversion to try it out?


On Mon, Feb 17, 2014 at 10:55 AM, Sean Luke <[log in to unmask]> wrote:

> Inspired by Raymond's discovery, I decided to pull the trigger and perform
> the long-awaited upgrade of all floats to doubles in Fitness classes.  This
> entailed:
>
>         - Changing floats to doubles
>         - Changing various FLOAT.. to DOUBLE..
>         - Changing float literals (0.0f, etc.) to double just in case
>         - Removing unnecessary casts
>         - Slight tweaks to the documentation
>
> This will be *sort* of non-backward compatible: you'll want to modify your
> applications so that you don't cast stuff to floats before setting the
> fitness or else you'll lose out on the extra expressivity.
>
> It was a lot of by-hand refactoring and I'm sure I messed something up.
>  I'm a bit spooked about committing it, and haven't done so, unless I can
> get a few people to do some testing for me.  Here's the classes which were
> affected.  Can anyone volunteer for me?
>
> Sean
>
>
> FITNESS METHODS
> ec/Fitness.java
> ec/simple/SimpleFitness.java
> ec/gp/koza/KozaFitness.java
> ec/multiobjective/MultiObjectiveFitness.java
>
> SELECTION METHODS
> ec/select/BestSelection.java
> ec/select/BoltzmannSelection.java
> ec/select/FitProportionateSelection.java
> ec/select/GreedyOverselection.java
> ec/select/SUSSelection.java
> ec/select/SigmaScalingSelection.java
> ec/select/TournamentSelection.java
>
> STATISTICS
> ec/multiobjective/MultiObjectiveStatistics.java
>
> APPLICATION EXAMPLES
> ec/app/ant/Ant.java
> ec/app/bbob/BBOBenchmarks.java
> ec/app/coevolve1/CompetitiveMaxOnes.java
> ec/app/coevolve2/CoevolutionaryECSuite.java
> ec/app/ecsuite/ECSuite.java
> ec/app/edge/Edge.java
> ec/app/gpsemantics/Semantic.java
> ec/app/hiff/HIFF.java
> ec/app/klandscapes/KLandscapes.java
> ec/app/lawnmower/Lawnmower.java
> ec/app/lid/Lid.java
> ec/app/majority/MajorityGA.java
> ec/app/majority/MajorityGP.java
> ec/app/mona/Mona.java
> ec/app/moosuite/MooSuite.java
> ec/app/multiplexer/Multiplexer.java
> ec/app/multiplexerslow/Multiplexer.java
> ec/app/nk/NK.java
> ec/app/ordertree/OrderTree.java
> ec/app/parity/Parity.java
> ec/app/push/Regression.java
> ec/app/regression/Benchmarks.java
> ec/app/regression/Regression.java
> ec/app/regression/func/RegERC.java
> ec/app/royaltree/RoyalTree.java
> ec/app/sat/SAT.java
> ec/app/sum/Sum.java
> ec/app/tutorial1/MaxOnes.java
> ec/app/tutorial2/AddSubtract.java
> ec/app/tutorial3/OddRosenbrock.java
> ec/app/tutorial4/MultiValuedRegression.java
> ec/app/twobox/TwoBox.java
>