Add utilities from the past few months
| author |
Steve Losh <steve@stevelosh.com> |
| date |
Tue, 11 Nov 2025 14:33:47 -0500 |
| parents |
72fe2afc82c7 |
| children |
(none) |
(in-package :losh.test)
(define-test within-radius
(is (equal '(-1 0 1) (iterate (for (x) :within-radius 1) (collect x))))
(is (equal '(-1 1) (iterate (for (x) :within-radius 1 :skip-origin t) (collect x))))
(is (equal '(9 10 11) (iterate (for (x) :within-radius 1 :origin (10)) (collect x))))
(is (equal '(9 11) (iterate (for (x) :within-radius 1 :skip-origin t :origin (10)) (collect x))))
(is (equal '((-1 -1) (-1 0) (-1 1) (0 -1) (0 0) (0 1) (1 -1) (1 0) (1 1))
(iterate (for (x y) :within-radius 1) (collect (list x y)))))
(is (equal '((-1 -1) (-1 0) (-1 1) (0 -1) (0 1) (1 -1) (1 0) (1 1))
(iterate (for (x y) :within-radius 1 :skip-origin t)
(collect (list x y)))))
(is (equal '((9 99) (9 100) (9 101) (10 99) (10 101) (11 99) (11 100) (11 101))
(iterate (for (x y) :within-radius 1 :skip-origin t :origin (10 100))
(collect (list x y)))))
(is (equal '((8 98) (8 99) (8 100) (8 101) (8 102)
(9 98) (9 99) (9 100) (9 101) (9 102)
(10 98) (10 99) (10 101) (10 102)
(11 98) (11 99) (11 100) (11 101) (11 102)
(12 98) (12 99) (12 100) (12 101) (12 102))
(iterate (for (x y) :within-radius 2 :skip-origin t :origin (10 100))
(collect (list x y)))))
(is (equal '((9 99 999) (9 99 1000) (9 99 1001)
(9 100 999) (9 100 1000) (9 100 1001)
(9 101 999) (9 101 1000) (9 101 1001)
(10 99 999) (10 99 1000) (10 99 1001)
(10 100 999) (10 100 1001)
(10 101 999) (10 101 1000) (10 101 1001)
(11 99 999) (11 99 1000) (11 99 1001)
(11 100 999) (11 100 1000) (11 100 1001)
(11 101 999) (11 101 1000) (11 101 1001))
(iterate (for (x y z) :within-radius 1 :skip-origin t :origin (10 100 1000))
(collect (list x y z))))))