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Make boundaries of hypervariable segments hypervariable

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This commit is contained in:
Lee Spector 2023-10-19 10:44:30 -04:00
parent 37df3432fb
commit e3ba58587a
1 changed files with 36 additions and 5 deletions
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41
src/propeller/variation.cljc
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@ -210,9 +210,35 @@ The function `new-individual` returns a new individual produced by selection and
(let [initial-mean (/ (reduce + v) (count v))]
(map #(* m (/ % initial-mean)) v))))
;;; version of ah-rates in which boundaries of hypervariable segments are protected
;;; retained for experimentation
;; (defn ah-rates
;; "Returns the sequence of rates with which each element of plushy should
;; be mutated when using autoconstructive hypervariability."
;; [plushy protection rate]
;; (loop [i 0
;; protected true
;; rates []
;; remainder plushy]
;; (if (empty? remainder)
;; (with-mean rate rates)
;; (if (and (not protected)
;; (= (first remainder) :protect))
;; (recur i
;; true
;; rates
;; remainder)
;; (recur (inc i)
;; (if protected
;; (not= (first remainder) :vary)
;; false)
;; (conj rates (if protected (/ 1 protection) 1))
;; (rest remainder))))))
(defn ah-rates
"Returns the sequence of rates with which each element of plushy should
be mutated when using autoconstructive hypervariability."
be mutated when using autoconstructive hypervariability. Boundaries of
hypervariable segments are hypervariable."
[plushy protection rate]
(loop [i 0
protected true
@ -222,17 +248,22 @@ The function `new-individual` returns a new individual produced by selection and
(with-mean rate rates)
(if (and (not protected)
(= (first remainder) :protect))
(recur i
(recur (inc i)
true
rates
remainder)
(conj rates 1)
(rest remainder))
(recur (inc i)
(if protected
(not= (first remainder) :vary)
false)
(conj rates (if protected (/ 1 protection) 1))
(conj rates (if (and protected
(not= (first remainder) :vary))
(/ 1 protection)
1))
(rest remainder))))))
;(ah-rates [0 0 :vary 0 :protect 0 0 :protect :vary] 10 0.1)
(defn ah-uniform-addition
"Returns plushy with new instructions possibly added before or after each
existing instruction. Rates are autoconstructively hypervariable."