racket/collects/plot/contracted/math.rkt
Neil Toronto 553c72ab28 Moved some flonum stuff (e.g. flatan2, flnext, +max.0, +min.0, etc.) to unstable/flonum (will document in another commit)
Moved Racket-language, doc-generating "defthing" defines to unstable/latent-contract/defthing (will document in another commit)
2011-11-25 18:40:19 -07:00

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Racket

#lang racket/base
(require racket/contract unstable/latent-contract)
(require "../common/math.rkt")
(provide equal?*
;; Flonums
nan? infinite? flblend flsum fldistance (activate-contract-out flonum-ok-for-range?)
;; Reals
maybe-inexact->exact
min* max* degrees->radians radians->degrees blend atan2 sum real-modulo distance
floor-log/base ceiling-log/base
polar->cartesian 3d-polar->3d-cartesian
;; Vectors
vcross vcross2 v+ v- vneg v* v/ vmag^2 vmag vnormalize vdot vcos-angle vrational? v= vcenter)
;; Intervals
(provide (contract-out (struct ivl ([min (or/c real? #f)] [max (or/c real? #f)]))
[ivl-meet (->* () () #:rest (listof ivl?) ivl?)]
[ivl-join (->* () () #:rest (listof ivl?) ivl?)])
empty-ivl unknown-ivl rational-ivl?
(activate-contract-out
ivl-empty? ivl-known? ivl-rational? ivl-singular? ivl-length ivl-center ivl-zero-length?
ivl-inexact->exact ivl-contains? bounds->intervals))
;; Rectangles
(provide (contract-out [rect-meet (->* () () #:rest (listof (vectorof ivl?)) (vectorof ivl?))]
[rect-join (->* () () #:rest (listof (vectorof ivl?)) (vectorof ivl?))])
(activate-contract-out
empty-rect unknown-rect bounding-rect rational-rect?
rect-empty? rect-known? rect-rational? rect-area rect-center rect-zero-area? rect-singular?
rect-inexact->exact rect-contains?))