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networks: Add make-dynamics-from-func, make-asyn-dynamics, make-syn-dynamics.

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This commit is contained in:
Sergiu Ivanov 2020-02-23 11:42:01 +01:00
parent c9cbb1c951
commit dedfddfe55
2 changed files with 25 additions and 2 deletions
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9
networks-tests.rkt
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@ -100,4 +100,11 @@
(test-case "Dynamics of networks"
(let ([vars '(a b c)])
(check-equal? (make-asyn vars) (set (set 'a) (set 'b) (set 'c)))
(check-equal? (make-syn vars) (set (set 'a 'b 'c)))))
(check-equal? (make-syn vars) (set (set 'a 'b 'c))))
(let* ([n (nn '((a . (not a)) (b . b)))]
[asyn (make-asyn-dynamics n)]
[syn (make-syn-dynamics n)])
(check-equal? (dynamics-network asyn) n)
(check-equal? (dynamics-mode asyn) (set (set 'a) (set 'b)))
(check-equal? (dynamics-network syn) n)
(check-equal? (dynamics-mode syn) (set (set 'a 'b)))))

18
networks.rkt
View file

@ -32,7 +32,10 @@
[build-signed-interaction-graph (-> network-form? domain-mapping/c graph?)]
[build-boolean-signed-interaction-graph (-> network-form? graph?)]
[make-asyn (-> (listof variable?) mode?)]
[make-syn (-> (listof variable?) mode?)])
[make-syn (-> (listof variable?) mode?)]
[make-dynamics-from-func (-> network? (-> (listof variable?) mode?) dynamics?)]
[make-asyn-dynamics (-> network? dynamics?)]
[make-syn-dynamics (-> network? dynamics?)])
;; Predicates
(contract-out [variable? (-> any/c boolean?)]
[state? (-> any/c boolean?)]
@ -265,3 +268,16 @@
;;; Given a list of variables, builds the synchronous mode (a set
;;; containing the set of variables).
(define (make-syn vars) (set (list->set vars)))
;;; Given a network, applies a function for building a mode to its
;;; variables and returns the corresponding network dynamics.
(define (make-dynamics-from-func network mode-func)
(dynamics network (mode-func (hash-keys network))))
;;; Creates the asynchronous dynamics for a given network.
(define (make-asyn-dynamics network)
(make-dynamics-from-func network make-asyn))
;;; Creates the synchronous dynamics for a given network.
(define (make-syn-dynamics network)
(make-dynamics-from-func network make-syn))