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ivec.rkt
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#lang racket/base
(require ffi/unsafe
ffi/vector
glm/private/vector)
(provide (except-out (all-defined-out) current-ivec-precision))
(define-numeric-vector-type ivec _int integer? exact-integer?
#:from-scalar values
#:to-scalar (λ (a) (if (inexact? a) (inexact->exact a) a))
#:to-native values
#:ffi s32vector)
;;; ============================================================================
;; (module+ test
;; (require racket/function
;; rackunit)
;; (test-case "equal?"
;; (check equal? (ivec2 0) (ivec2 0))
;; (check equal? (ivec2 1) (ivec2 1))
;; (check (negate equal?) (ivec2 1) (ivec2 0))
;; (check (negate equal?) (ivec2 0) (ivec2 1)))
;; (test-case "ivec+="
;; (define v
;; (ivec2 (ivec2 0))) (check equal? v (ivec2 0))
;; (ivec+= v (ivec2 1)) (check equal? v (ivec2 1))
;; (ivec+= v (ivec2 1)) (check equal? v (ivec2 2)))
;; (test-case "ivec-="
;; (define v
;; (ivec2 (ivec2 1))) (check equal? v (ivec2 1))
;; (ivec-= v (ivec2 1)) (check equal? v (ivec2 0))
;; (ivec-= v (ivec2 1)) (check equal? v (ivec2 -1)))
;; (test-case "ivec*="
;; (define v
;; (ivec2 (ivec2 1))) (check equal? v (ivec2 1))
;; (ivec*= v (ivec2 1)) (check equal? v (ivec2 1))
;; (ivec*= v (ivec2 2)) (check equal? v (ivec2 2))
;; (ivec*= v (ivec2 2)) (check equal? v (ivec2 4)))
;; (test-case "ivec/="
;; (define v
;; (ivec2 (ivec2 6))) (check equal? v (ivec2 6))
;; (ivec/= v (ivec2 3)) (check equal? v (ivec2 2))
;; (ivec/= v (ivec2 2)) (check equal? v (ivec2 1))
;; (check-exn exn:fail:contract? (λ () (ivec/= v (ivec2 2)))))
;; (test-case "ivec+"
;; (check equal? (ivec+ (ivec2 1)) (ivec2 1))
;; (check equal? (ivec+ (ivec2 1) (ivec2 1)) (ivec2 2))
;; (check equal? (ivec+ (ivec2 1) (ivec2 1) (ivec2 1)) (ivec2 3)))
;; (test-case "ivec-"
;; (check equal? (ivec- (ivec2 0)) (ivec2 0))
;; (check equal? (ivec- (ivec2 1) (ivec2 0)) (ivec2 1))
;; (check equal? (ivec- (ivec2 1) (ivec2 1)) (ivec2 0))
;; (check equal? (ivec- (ivec2 1) (ivec2 1) (ivec2 1)) (ivec2 -1)))
;; (test-case "ivec*"
;; (check equal? (ivec* (ivec2 0)) (ivec2 0))
;; (check equal? (ivec* (ivec2 1)) (ivec2 1))
;; (check equal? (ivec* (ivec2 2)) (ivec2 2))
;; (check equal? (ivec* (ivec2 2) (ivec2 3)) (ivec2 6))
;; (check equal? (ivec* (ivec2 2) (ivec2 3) (ivec2 4)) (ivec2 24))
;; (check equal? (ivec* (ivec2 1 2) (ivec2 2 3) (ivec2 3 4)) (ivec2 6 24))
;; (check equal? (ivec* (ivec2 1) -1) (ivec2 -1)))
;; (test-case "ivec/"
;; (check equal? (ivec/ (ivec2 1)) (ivec2 1))
;; (check equal? (ivec/ (ivec2 0) (ivec2 1)) (ivec2 0))
;; (check equal? (ivec/ (ivec2 2) (ivec2 1)) (ivec2 2))
;; (check equal? (ivec/ (ivec2 6) (ivec2 2) (ivec2 1)) (ivec2 3))
;; (check-exn exn:fail:contract? (λ () (ivec/ (ivec2 1) (ivec2 2)))))
;; ;;; ..........................................................................
;; (test-case "equal?"
;; (check equal? (ivec3 0) (ivec3 0))
;; (check equal? (ivec3 1) (ivec3 1))
;; (check (negate equal?) (ivec3 1) (ivec3 0))
;; (check (negate equal?) (ivec3 0) (ivec3 1)))
;; (test-case "ivec+="
;; (define v
;; (ivec3 (ivec3 0))) (check equal? v (ivec3 0))
;; (ivec+= v (ivec3 1)) (check equal? v (ivec3 1))
;; (ivec+= v (ivec3 1)) (check equal? v (ivec3 2)))
;; (test-case "ivec-="
;; (define v
;; (ivec3 (ivec3 1))) (check equal? v (ivec3 1))
;; (ivec-= v (ivec3 1)) (check equal? v (ivec3 0))
;; (ivec-= v (ivec3 1)) (check equal? v (ivec3 -1)))
;; (test-case "ivec*="
;; (define v
;; (ivec3 (ivec3 1))) (check equal? v (ivec3 1))
;; (ivec*= v (ivec3 1)) (check equal? v (ivec3 1))
;; (ivec*= v (ivec3 2)) (check equal? v (ivec3 2))
;; (ivec*= v (ivec3 2)) (check equal? v (ivec3 4)))
;; (test-case "ivec/="
;; (define v
;; (ivec3 (ivec3 6))) (check equal? v (ivec3 6))
;; (ivec/= v (ivec3 3)) (check equal? v (ivec3 2))
;; (ivec/= v (ivec3 2)) (check equal? v (ivec3 1))
;; (check-exn exn:fail:contract? (λ () (ivec/= v (ivec3 2)))))
;; (test-case "ivec+"
;; (check equal? (ivec+ (ivec3 1)) (ivec3 1))
;; (check equal? (ivec+ (ivec3 1) (ivec3 1)) (ivec3 2))
;; (check equal? (ivec+ (ivec3 1) (ivec3 1) (ivec3 1)) (ivec3 3)))
;; (test-case "ivec-"
;; (check equal? (ivec- (ivec3 0)) (ivec3 0))
;; (check equal? (ivec- (ivec3 1) (ivec3 0)) (ivec3 1))
;; (check equal? (ivec- (ivec3 1) (ivec3 1)) (ivec3 0))
;; (check equal? (ivec- (ivec3 1) (ivec3 1) (ivec3 1)) (ivec3 -1)))
;; (test-case "ivec*"
;; (check equal? (ivec* (ivec3 0)) (ivec3 0))
;; (check equal? (ivec* (ivec3 1)) (ivec3 1))
;; (check equal? (ivec* (ivec3 2)) (ivec3 2))
;; (check equal? (ivec* (ivec3 2) (ivec3 3)) (ivec3 6))
;; (check equal? (ivec* (ivec3 2) (ivec3 3) (ivec3 4)) (ivec3 24))
;; (check equal? (ivec* (ivec3 1 2 3) (ivec3 2 3 4) (ivec3 3 4 5)) (ivec3 6 24 60))
;; (check equal? (ivec* (ivec3 1) -1) (ivec3 -1)))
;; (test-case "ivec/"
;; (check equal? (ivec/ (ivec3 1)) (ivec3 1))
;; (check equal? (ivec/ (ivec3 0) (ivec3 1)) (ivec3 0))
;; (check equal? (ivec/ (ivec3 2) (ivec3 1)) (ivec3 2))
;; (check equal? (ivec/ (ivec3 6) (ivec3 2) (ivec3 1)) (ivec3 3))
;; (check-exn exn:fail:contract? (λ () (ivec/ (ivec3 1) (ivec3 2)))))
;; ;;; ..........................................................................
;; (test-case "equal?"
;; (check equal? (ivec4 0) (ivec4 0))
;; (check equal? (ivec4 1) (ivec4 1))
;; (check (negate equal?) (ivec4 1) (ivec4 0))
;; (check (negate equal?) (ivec4 0) (ivec4 1)))
;; (test-case "ivec+="
;; (define v
;; (ivec4 (ivec4 0))) (check equal? v (ivec4 0))
;; (ivec+= v (ivec4 1)) (check equal? v (ivec4 1))
;; (ivec+= v (ivec4 1)) (check equal? v (ivec4 2)))
;; (test-case "ivec-="
;; (define v
;; (ivec4 (ivec4 1))) (check equal? v (ivec4 1))
;; (ivec-= v (ivec4 1)) (check equal? v (ivec4 0))
;; (ivec-= v (ivec4 1)) (check equal? v (ivec4 -1)))
;; (test-case "ivec*="
;; (define v
;; (ivec4 (ivec4 1))) (check equal? v (ivec4 1))
;; (ivec*= v (ivec4 1)) (check equal? v (ivec4 1))
;; (ivec*= v (ivec4 2)) (check equal? v (ivec4 2))
;; (ivec*= v (ivec4 2)) (check equal? v (ivec4 4)))
;; (test-case "ivec/="
;; (define v
;; (ivec4 (ivec4 6))) (check equal? v (ivec4 6))
;; (ivec/= v (ivec4 3)) (check equal? v (ivec4 2))
;; (ivec/= v (ivec4 2)) (check equal? v (ivec4 1))
;; (check-exn exn:fail:contract? (λ () (ivec/= v (ivec4 2)))))
;; (test-case "ivec+"
;; (check equal? (ivec+ (ivec4 1)) (ivec4 1))
;; (check equal? (ivec+ (ivec4 1) (ivec4 1)) (ivec4 2))
;; (check equal? (ivec+ (ivec4 1) (ivec4 1) (ivec4 1)) (ivec4 3)))
;; (test-case "ivec-"
;; (check equal? (ivec- (ivec4 0)) (ivec4 0))
;; (check equal? (ivec- (ivec4 1) (ivec4 0)) (ivec4 1))
;; (check equal? (ivec- (ivec4 1) (ivec4 1)) (ivec4 0))
;; (check equal? (ivec- (ivec4 1) (ivec4 1) (ivec4 1)) (ivec4 -1)))
;; (test-case "ivec*"
;; (check equal? (ivec* (ivec4 0)) (ivec4 0))
;; (check equal? (ivec* (ivec4 1)) (ivec4 1))
;; (check equal? (ivec* (ivec4 2)) (ivec4 2))
;; (check equal? (ivec* (ivec4 2) (ivec4 3)) (ivec4 6))
;; (check equal? (ivec* (ivec4 2) (ivec4 3) (ivec4 4)) (ivec4 24))
;; (check equal? (ivec* (ivec4 1 2 3 4) (ivec4 2 3 4 5) (ivec4 3 4 5 6)) (ivec4 6 24 60 120))
;; (check equal? (ivec* (ivec4 1) -1) (ivec4 -1)))
;; (test-case "ivec/"
;; (check equal? (ivec/ (ivec4 1)) (ivec4 1))
;; (check equal? (ivec/ (ivec4 0) (ivec4 1)) (ivec4 0))
;; (check equal? (ivec/ (ivec4 2) (ivec4 1)) (ivec4 2))
;; (check equal? (ivec/ (ivec4 6) (ivec4 2) (ivec4 1)) (ivec4 3))
;; (check-exn exn:fail:contract? (λ () (ivec/ (ivec4 1) (ivec4 2)))))
;; (test-case "ivec++"
;; (define v (ivec4 (ivec4 -1))) (check equal? v (ivec4 -1))
;; (ivec++ v) (check equal? v (ivec4 0))
;; (ivec++ v) (check equal? v (ivec4 1))
;; (ivec++ v) (check equal? v (ivec4 2)))
;; (test-case "ivec--"
;; (define v (ivec4 (ivec4 2))) (check equal? v (ivec4 2))
;; (ivec-- v) (check equal? v (ivec4 1))
;; (ivec-- v) (check equal? v (ivec4 0))
;; (ivec-- v) (check equal? v (ivec4 -1))))