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Type apply-tbf/boolean.

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This commit is contained in:
Sergiu Ivanov 2022-04-21 15:00:24 +02:00
parent 1863b0829c
commit cbede999df
2 changed files with 22 additions and 14 deletions
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26
functions.rkt
View File

@ -27,7 +27,7 @@
enumerate-boolean-functions/pv enumerate-boolean-functions/list
random-boolean-table random-boolean-function random-boolean-function/list
(struct-out tbf) tbf-w tbf-θ boolean->01/vector apply-tbf)
(struct-out tbf) tbf-w tbf-θ boolean->01/vector apply-tbf apply-tbf/boolean)
(module+ test
(require typed/rackunit))
@ -384,6 +384,16 @@
(check-equal? (tabulate/pv/01 2 (pvλ (x y) (apply-tbf f1 (vector x y))))
'((0 0 0) (0 1 0) (1 0 1) (1 1 0)))))
(: apply-tbf/boolean (-> tbf (Vectorof Boolean) Boolean))
(define (apply-tbf/boolean tbf inputs)
(01->boolean (apply-tbf tbf (boolean->01/vector inputs))))
(module+ test
(test-case "apply-tbf/boolean"
(define f1 (tbf #(2 -2) 1))
(check-equal? (tabulate/pv/boolean 2 (pvλ (x y) (apply-tbf/boolean f1 (vector x y))))
'((#f #f #f) (#f #t #f) (#t #f #t) (#t #t #f)))))
(module untyped racket
(module+ test
(require rackunit))
@ -470,7 +480,7 @@
enumerate-boolean-functions/pv enumerate-boolean-functions/list
random-boolean-table random-boolean-function random-boolean-function/list
(struct-out tbf) tbf-w tbf-θ boolean->01/vector apply-tbf)
(struct-out tbf) tbf-w tbf-θ boolean->01/vector apply-tbf apply-tbf/boolean)
(require (rename-in (submod 'typed untyped)
[tabulate tabulate/untyped]
@ -479,7 +489,6 @@
(provide
;; Functions
(contract-out
[apply-tbf/boolean (-> tbf? (vectorof boolean?) boolean?)]
[list->tbf (-> (cons/c number? (cons/c number? (listof number?))) tbf?)]
[lists->tbfs (-> (listof (listof number?)) (listof tbf?))]
[read-org-tbfs (->* (string?) (#:headers boolean?) (listof tbf?))]
@ -501,17 +510,6 @@
;;; Threshold Boolean functions
;;; ===========================
;;; Like apply-tbf, but takes Boolean values as inputs and outputs a
;;; boolean value.
(define (apply-tbf/boolean tbf inputs)
(01->boolean (apply-tbf tbf (vector-map any->01 inputs))))
(module+ test
(test-case "apply-tbf/boolean"
(define f1 (tbf #(2 -2) 1))
(check-equal? (tabulate/boolean (λ (x y) (apply-tbf/boolean f1 (vector x y))))
'((#f #f #f) (#f #t #f) (#t #f #t) (#t #t #f)))))
;;; Converts a list of numbers to a TBF. The last element of the list
;;; is taken to be the threshold, while the other elements are taken
;;; to be the weights.

10
scribblings/functions.scrbl
View File

@ -405,6 +405,16 @@ above the threshold, the function is 1, otherwise it is 0.
(tabulate/pv/01 2 (pvλ (x y) (apply-tbf simple-tbf (vector x y))))
]}
@defproc[(apply-tbf/boolean [t tbf] [inputs (Vectorof Boolean)]) Boolean]{
Like @racket[apply-tbf], but takes Boolean values as inputs and outputs
a Boolean value.
@examples[#:eval functions-evaluator
(define simple-tbf (tbf #(2 -2) 1))
(tabulate/pv/boolean 2 (pvλ (x y) (apply-tbf/boolean simple-tbf (vector x y))))
]}
@section[#:tag "fuctions/untyped"]{Untyped definitions}
@defmodule[(submod dds/functions typed untyped)]