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February 2014

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Subject:
I may commit a big change: could use some help
From:
Sean Luke <[log in to unmask]>
Reply To:
ECJ Evolutionary Computation Toolkit <[log in to unmask]>
Date:
Mon, 17 Feb 2014 13:55:47 -0500
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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

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