aparler/RosettaCodeData
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Data update

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Ingy döt Net 2024-03-06 22:25:12 -08:00
parent ed705008a8
commit 0df55f9f24
2196 changed files with 32999 additions and 3075 deletions
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10
Task/Evolutionary-algorithm/Elena/evolutionary-algorithm.elena
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@ -16,13 +16,13 @@ randomChar
extension evoHelper
{
randomString()
= 0.repeatTill(self).selectBy:(x => randomChar).summarize(new StringWriter());
= 0.repeatTill(self).selectBy::(x => randomChar).summarize(new StringWriter());
fitnessOf(s)
= self.zipBy(s, (a,b => a==b ? 1 : 0)).summarize(new Integer()).toInt();
mutate(p)
= self.selectBy:(ch => rnd.nextReal() <= p ? randomChar : ch).summarize(new StringWriter());
= self.selectBy::(ch => rnd.nextReal() <= p ? randomChar : ch).summarize(new StringWriter());
}
class EvoAlgorithm : Enumerator
@ -47,9 +47,9 @@ class EvoAlgorithm : Enumerator
if (_target == _current)
{ ^ false };
auto variants := Array.allocate(_variantCount).populate:(x => _current.mutate:P );
auto variants := Array.allocate(_variantCount).populate::(x => _current.mutate(P) );
_current := variants.sort:(a,b => a.fitnessOf:Target > b.fitnessOf:Target ).at:0;
_current := variants.sort::(a,b => a.fitnessOf(Target) > b.fitnessOf(Target) ).at(0);
^ true
}
@ -65,7 +65,7 @@ class EvoAlgorithm : Enumerator
public program()
{
var attempt := new Integer();
EvoAlgorithm.new(Target,C).forEach:(current)
EvoAlgorithm.new(Target,C).forEach::(current)
{
console
.printPaddingLeft(10,"#",attempt.append(1))