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Conway's Game of Life: Difference between revisions
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When introducing the [[Stencil]] operator in [[Dyalog APL 16.0]], [[Roger Hui]] presented several Game of Life implementations using the new primitive.<ref>[[Roger Hui]]. [https://www.dyalog.com/blog/2017/07/stencil-lives/ "Stencil Lives"]. 2017-07-31.</ref> These included [[Jay Foad]]'s function <source lang=apl inline>{3=s-⍵∧4=s←{+/,⍵}⌺3 3⊢⍵}</source>, translated from [[Arthur Whitney]]'s [[K]] implementation <source lang=apl inline>{3=s-x&4=s:2(+-1+/':)/x}</source>.<ref>[[Arthur Whitney]]. [http://kparc.com/z/fun.k "fun.k"].</ref> | When introducing the [[Stencil]] operator in [[Dyalog APL 16.0]], [[Roger Hui]] presented several Game of Life implementations using the new primitive.<ref>[[Roger Hui]]. [https://www.dyalog.com/blog/2017/07/stencil-lives/ "Stencil Lives"]. 2017-07-31.</ref> These included [[Jay Foad]]'s function <source lang=apl inline>{3=s-⍵∧4=s←{+/,⍵}⌺3 3⊢⍵}</source>, translated from [[Arthur Whitney]]'s [[K]] implementation <source lang=apl inline>{3=s-x&4=s:2(+-1+/':)/x}</source>.<ref>[[Arthur Whitney]]. [http://kparc.com/z/fun.k "fun.k"].</ref> | ||
Conway's Game of Live featured as one of the problems in the APL [[Code golf|Code Golf]] Autumn Tournament, an event jointly run by [[Dyalog Ltd.]] and Optima Systems Ltd. In a follow-up [[Dyalog webinar]], [[Adám Brudzewsky]] presented both the game and one of the winning 17-character solutions (<source lang=apl inline>{≢⍸⍵}⌺3 3∊¨3+0,¨⊢</source>) in detail.<ref>[[Gitte Christensen]] & [[Adám Brudzewsky]]. [https://dyalog.tv/Webinar/?v=3FjYly2G_QI "Dyalog Webinars: APL CodeGolf Autumn Tournament"]. 2017-10-26.</ref> | |||
== External links == | == External links == | ||