4ae9ecf28e
Detect possible nonconvergence in plot bounds fixpoint calculation Collapse nearby 3D ticks
34 lines
1.4 KiB
Racket
34 lines
1.4 KiB
Racket
#lang racket/base
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(require racket/contract unstable/latent-contract)
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(require "../common/math.rkt")
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(provide equal?*
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;; Flonums
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nan? infinite? special?
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flblend flatan2 flsum flmodulo fldistance
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;; Reals
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regular?
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min* max* degrees->radians radians->degrees blend atan2 sum real-modulo distance
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floor-log/base ceiling-log/base
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polar->cartesian 3d-polar->3d-cartesian
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;; Vectors
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vcross vcross2 v+ v- vneg v* v/ vmag^2 vmag vnormalize vdot vcos-angle vregular? v= vcenter)
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;; Intervals
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(provide (contract-out (struct ivl ([min (or/c real? #f)] [max (or/c real? #f)]))
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[ivl-meet (->* () () #:rest (listof ivl?) ivl?)]
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[ivl-join (->* () () #:rest (listof ivl?) ivl?)])
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empty-ivl unknown-ivl
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(activate-contract-out
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ivl-empty? ivl-known? ivl-regular? ivl-singular? ivl-length ivl-zero-length?
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ivl-inexact->exact ivl-contains? bounds->intervals))
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;; Rectangles
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(provide (contract-out [rect-meet (->* () () #:rest (listof (vectorof ivl?)) (vectorof ivl?))]
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[rect-join (->* () () #:rest (listof (vectorof ivl?)) (vectorof ivl?))])
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(activate-contract-out
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empty-rect unknown-rect bounding-rect
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rect-empty? rect-known? rect-regular? rect-area rect-zero-area? rect-singular?
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rect-inexact->exact rect-contains?))
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