mirror of
https://gitlab.com/sheaf/metabrush.git
synced 2024-12-03 12:24:08 +00:00
Clean up benchmarking component
This commit is contained in:
sheaf
parent
0c54de8b1c
commit
ac9deb968a
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@ -81,7 +81,6 @@ common common
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StandaloneDeriving
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StandaloneKindSignatures
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TupleSections
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TypeAbstractions
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TypeApplications
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TypeFamilyDependencies
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TypeOperators
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@ -19,6 +19,8 @@ common common
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build-depends:
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base
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>= 4.17 && < 4.20
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, code-page
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^>= 0.2.1
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, containers
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>= 0.6.0.1 && < 0.8
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, tree-view
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@ -52,17 +54,20 @@ common common
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StandaloneDeriving
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StandaloneKindSignatures
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TupleSections
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TypeAbstractions
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TypeApplications
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TypeFamilyDependencies
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TypeOperators
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UnboxedTuples
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ViewPatterns
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if impl(ghc >= 9.8)
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default-extensions:
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TypeAbstractions
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ghc-options:
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-O2
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-fexpose-all-unfoldings
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-- -funfolding-use-threshold=1000
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-- -funfolding-use-threshold=1000
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-fspecialise-aggressively
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-flate-dmd-anal
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-fmax-worker-args=200
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@ -127,9 +132,9 @@ library
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, Math.Roots
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, Math.Root.Isolation
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, Math.Root.Isolation.Bisection
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, Math.Root.Isolation.Core
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, Math.Root.Isolation.GaussSeidel
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, Math.Root.Isolation.Narrowing
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, Math.Root.Isolation.Core
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, Debug.Utils
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other-modules:
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@ -148,8 +153,6 @@ library
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>= 2.18 && < 2.22
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, bifunctors
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>= 5.5.4 && < 5.7
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, code-page
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^>= 0.2.1
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, deepseq
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>= 1.4.4.0 && < 1.6
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, directory
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@ -257,6 +260,10 @@ benchmark cusps
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main-is:
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Main.hs
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other-modules:
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Bench.Types
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Bench.Cases
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build-depends:
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brush-strokes
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, deepseq
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78
brush-strokes/src/cusps/bench/Bench/Cases.hs
Normal file
78
brush-strokes/src/cusps/bench/Bench/Cases.hs
Normal file
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@ -0,0 +1,78 @@
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module Bench.Cases where
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-- brush-strokes
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import Calligraphy.Brushes
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import Math.Bezier.Spline
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import Math.Bezier.Stroke
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import Math.Interval
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import Math.Linear
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import Math.Module
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import Math.Root.Isolation
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-- brush-strokes bench:cusps
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import Bench.Types
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--------------------------------------------------------------------------------
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ellipseTestCase :: RootIsolationOptions N 3 -> String -> ( Double, Double ) -> Double -> [ ( Int, [ Box 2 ] ) ] -> TestCase
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ellipseTestCase opts descr k0k1 rot startBoxes =
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TestCase
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{ testDescription = descr
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, testBrushStroke = ellipseBrushStroke k0k1 rot
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, testCuspOptions = opts
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, testStartBoxes = startBoxes
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}
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ellipseBrushStroke :: ( Double, Double ) -> Double -> BrushStroke
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ellipseBrushStroke ( k0, k1 ) rot =
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BrushStroke
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{ brush = ellipseBrush
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, stroke = ( p0, LineTo ( NextPoint p1 ) () ) }
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where
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mkPt x y w h phi =
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Point
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{ pointCoords = ℝ2 x y
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, pointParams = Params $ ℝ3 w h phi
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}
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l :: Double -> Double -> Double -> Double
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l k = lerp @( T Double ) k
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p k = mkPt ( l k 0 100 ) 0 ( l k 10 15 ) ( l k 25 40 ) ( l k 0 rot )
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p0 = p k0
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p1 = p k1
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trickyCusp2TestCase :: TestCase
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trickyCusp2TestCase =
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TestCase
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{ testDescription = ""
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, testBrushStroke = trickyCusp2BrushStroke
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, testCuspOptions = defaultRootIsolationOptions
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, testStartBoxes = defaultStartBoxes [ 0 .. 3 ]
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}
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trickyCusp2BrushStroke :: BrushStroke
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trickyCusp2BrushStroke =
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BrushStroke
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{ brush = circleBrush
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, stroke = ( p0, Bezier3To p1 p2 ( NextPoint p3 ) () )
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}
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where
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mkPt x y =
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Point
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{ pointCoords = ℝ2 x y
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, pointParams = Params $ ℝ1 5.0
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}
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p0 = mkPt 5e+1 -5e+1
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p1 = mkPt -7.72994362904069e+1 -3.124468786098509e+1
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p2 = mkPt -5.1505430313958364e+1 -3.9826386521527986e+1
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p3 = mkPt -5e+1 -5e+1
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defaultStartBoxes :: [ Int ] -> [ ( Int, [ Box 2 ] ) ]
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defaultStartBoxes is =
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[ ( i, [ 𝕀 ( ℝ2 zero zero ) ( ℝ2 one one ) ] ) | i <- is ]
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zero, one :: Double
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zero = 1e-6
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one = 1 - zero
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{-# INLINE zero #-}
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{-# INLINE one #-}
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120
brush-strokes/src/cusps/bench/Bench/Types.hs
Normal file
120
brush-strokes/src/cusps/bench/Bench/Types.hs
Normal file
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@ -0,0 +1,120 @@
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{-# LANGUAGE ScopedTypeVariables #-}
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{-# LANGUAGE UndecidableInstances #-}
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module Bench.Types
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( BrushStroke(..)
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, TestCase(..)
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, Point(..)
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, Params(..)
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, brushStrokeFunctions
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) where
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-- base
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import Data.Coerce
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( coerce )
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import GHC.Generics
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( Generic )
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-- containers
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import Data.Sequence
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( Seq )
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-- brush-strokes
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import Calligraphy.Brushes
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import Math.Algebra.Dual
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import Math.Bezier.Spline
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import Math.Bezier.Stroke
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import Math.Bezier.Stroke.EnvelopeEquation
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import Math.Interval
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import Math.Linear
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import Math.Module
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import Math.Ring
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( Transcendental )
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import Math.Root.Isolation
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--------------------------------------------------------------------------------
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data BrushStroke =
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forall nbParams. ParamsCt nbParams =>
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BrushStroke
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{ brush :: !( Brush ( ℝ nbParams ) )
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, stroke :: !( Point nbParams, Curve Open () ( Point nbParams ) )
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}
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data TestCase =
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TestCase
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{ testDescription :: String
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, testBrushStroke :: BrushStroke
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, testCuspOptions :: RootIsolationOptions N 3
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, testStartBoxes :: [ ( Int, [ Box 2 ] ) ]
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}
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--------------------------------------------------------------------------------
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type ParamsCt nbParams
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= ( Show ( ℝ nbParams )
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, HasChainRule Double 2 ( ℝ nbParams )
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, HasChainRule ( 𝕀 Double ) 3 ( 𝕀 ( ℝ nbParams ) )
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, Applicative ( D 2 ( ℝ nbParams ) )
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, Applicative ( D 3 ( ℝ nbParams ) )
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, Traversable ( D 2 ( ℝ nbParams ) )
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, Traversable ( D 3 ( ℝ nbParams ) )
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, Representable Double ( ℝ nbParams )
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, Module Double ( T ( ℝ nbParams ) )
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, Module ( 𝕀 Double ) ( T ( 𝕀 ( ℝ nbParams ) ) )
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, Module ( D 2 ( ℝ nbParams ) Double ) ( D 2 ( ℝ nbParams ) ( ℝ 2 ) )
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, Module ( D 3 ( ℝ nbParams ) ( 𝕀 Double ) ) ( D 3 ( ℝ nbParams ) ( 𝕀 ( ℝ 2 ) ) )
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, Transcendental ( D 2 ( ℝ nbParams ) Double )
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, Transcendental ( D 3 ( ℝ nbParams ) ( 𝕀 Double ) )
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)
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newtype Params nbParams = Params { getParams :: ( ℝ nbParams ) }
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deriving newtype instance Show ( ℝ nbParams ) => Show ( Params nbParams )
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data Point nbParams =
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Point
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{ pointCoords :: !( ℝ 2 )
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, pointParams :: !( Params nbParams ) }
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deriving stock Generic
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deriving stock instance Show ( ℝ nbParams ) => Show ( Point nbParams )
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getStrokeFunctions
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:: forall nbParams
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. ParamsCt nbParams
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=> Brush ( ℝ nbParams )
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-- ^ brush shape
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-> Point nbParams
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-- ^ start point
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-> Curve Open () ( Point nbParams )
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-- ^ curve points
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-> ( ℝ 1 -> Seq ( ℝ 1 -> StrokeDatum 2 () )
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, 𝕀ℝ 1 -> Seq ( 𝕀ℝ 1 -> StrokeDatum 3 𝕀 ) )
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getStrokeFunctions ( Brush brushShape brushShapeI mbRot ) sp0 crv =
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let
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usedParams :: C 2 ( ℝ 1 ) ( ℝ nbParams )
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path :: C 2 ( ℝ 1 ) ( ℝ 2 )
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( path, usedParams ) =
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pathAndUsedParams @2 @() coerce id ( getParams . pointParams )
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sp0 crv
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usedParamsI :: C 3 ( 𝕀ℝ 1 ) ( 𝕀ℝ nbParams )
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pathI :: C 3 ( 𝕀ℝ 1 ) ( 𝕀ℝ 2 )
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( pathI, usedParamsI ) =
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pathAndUsedParams @3 @𝕀 coerce singleton ( getParams . pointParams )
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sp0 crv
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in ( brushStrokeData @2 @( ℝ nbParams ) coerce coerce
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path usedParams
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brushShape
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mbRot
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, brushStrokeData @3 @( ℝ nbParams ) coerce coerce
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pathI usedParamsI
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brushShapeI
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( fmap nonDecreasing mbRot )
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)
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{-# INLINEABLE getStrokeFunctions #-}
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brushStrokeFunctions
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:: BrushStroke
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-> ( ℝ 1 -> Seq ( ℝ 1 -> StrokeDatum 2 () )
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, 𝕀ℝ 1 -> Seq ( 𝕀ℝ 1 -> StrokeDatum 3 𝕀 ) )
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brushStrokeFunctions ( BrushStroke { stroke = ( sp0, crv ), brush } ) =
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getStrokeFunctions brush sp0 crv
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@ -1,123 +1,69 @@
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{-# LANGUAGE PolyKinds #-}
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{-# LANGUAGE ScopedTypeVariables #-}
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{-# LANGUAGE UndecidableInstances #-}
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module Main
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( main
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-- Testing
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, TestCase(..)
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, testCases
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, BrushStroke(..)
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, brushStrokeFunctions
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, eval
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, mkVal, mkBox
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, potentialCusp
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, dEdsdcdt
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)
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where
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module Main where
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-- base
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import Control.Concurrent.MVar
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( newMVar )
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import Data.Coerce
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( coerce )
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import Control.Monad
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( when )
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import Data.Foldable
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( for_ )
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import Data.List
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( intercalate, sortOn )
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import qualified Data.List.NonEmpty as NE
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( NonEmpty(..)
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, fromList, head, length, sort
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)
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import Data.Semigroup
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( Arg(..) )
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import Data.Traversable
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( for )
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import GHC.Clock
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( getMonotonicTime )
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import GHC.Exts
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( Proxy#, proxy# )
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import GHC.Generics
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( Generic )
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import GHC.TypeNats
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( Nat, type (-) )
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import Numeric
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( showFFloat )
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-- code-page
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import System.IO.CodePage
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( withCP65001 )
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-- containers
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import qualified Data.IntMap.Strict as IntMap
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( fromList, toList )
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import Data.Sequence
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( Seq )
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import qualified Data.Sequence as Seq
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( index )
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import Data.Tree
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( foldTree )
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-- deepseq
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import Control.DeepSeq
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( rnf )
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-- gauge
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--import qualified Gauge
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-- tree-view
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import Data.Tree.View
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( showTree )
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-- brush-strokes
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import Calligraphy.Brushes
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import Debug.Utils
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( logToFile )
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import Math.Algebra.Dual
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import Math.Bezier.Spline
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import Math.Bezier.Stroke
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import Math.Bezier.Stroke.EnvelopeEquation
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import Math.Differentiable
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import Math.Interval
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import Math.Linear
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import Math.Module
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import Math.Ring
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( Transcendental )
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import Math.Root.Isolation
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-- brush-strokes bench:cusps
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import Bench.Cases
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import Bench.Types
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--------------------------------------------------------------------------------
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{-
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main :: IO ()
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main = Gauge.defaultMainWith benchConfig
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[ Gauge.bgroup "Cusp finding"
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[ Gauge.bench testName $ Gauge.nf benchTest benchCase
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| benchCase@( TestCase { testName } ) <- benchCases
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]
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]
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benchConfig :: Gauge.Config
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benchConfig = Gauge.defaultConfig
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{ Gauge.timeLimit = Just 0
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, Gauge.minSamples = Nothing
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, Gauge.minDuration = 0
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}
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benchTest :: TestCase -> ()
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benchTest ( TestCase { testBrushStroke, testCuspOptions, testStartBoxes } ) =
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let ( _, testStrokeFnI ) = brushStrokeFunctions testBrushStroke
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( _, ( dunno, sols ) ) = computeCusps testCuspOptions testStrokeFnI testStartBoxes
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in dunno `seq` sols `seq` ()
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-}
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main :: IO ()
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main = do
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main = withCP65001 $ do
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putStrLn "Running cusp-finding benchmarks."
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testsWithTime <-
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for testCases $ \ tst -> do { dt <- benchTestCase tst; return ( tst, dt ) }
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let (bestTest, bestTime) = head $ sortOn snd testsWithTime
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putStrLn $ unlines
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[ replicate 40 '='
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, "Best time: " ++ show bestTime ++ "s"
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, "Best parameters: " ++ show (testName bestTest)
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]
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for_ benchGroups $ \ ( groupName, benchGroupCases ) -> do
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putStrLn $ unlines
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[ replicate 40 '='
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, "Benchmark group '" ++ groupName ++ "':" ]
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testsWithTime <- for benchGroupCases $ \ tst -> do
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dt <- benchTestCase groupName tst
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return $ Arg dt tst
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let Arg bestTime bestTest = NE.head $ NE.sort testsWithTime
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when ( NE.length benchGroupCases >= 1 ) $
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putStrLn $ unlines $
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[ "Best time in '" ++ groupName ++ "' group: " ++ show bestTime ++ "s" ]
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++ [ " (" ++ descr ++ ")"
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| let descr = testDescription bestTest
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, not ( null descr )
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]
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benchTestCase :: TestCase -> IO Double
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benchTestCase ( TestCase { testName, testBrushStroke, testCuspOptions, testStartBoxes } ) = do
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putStrLn $ unlines
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[ replicate 40 '='
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, "Test case " ++ testName ]
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-- TODO: run the benchmark multiple times to reduce noise.
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benchTestCase :: String -> TestCase -> IO Double
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benchTestCase testName ( TestCase { testDescription, testBrushStroke, testCuspOptions, testStartBoxes } ) = do
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putStr $ unlines
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[ " " ++ replicate 38 '-'
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, " -- Test case: " ++ testName ++ ( if null testDescription then "" else " (" ++ testDescription ++ ")" )
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, " --" ]
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before <- getMonotonicTime
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let ( _, testStrokeFnI ) = brushStrokeFunctions testBrushStroke
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( dunno, sols ) =
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@ -133,90 +79,40 @@ benchTestCase ( TestCase { testName, testBrushStroke, testCuspOptions, testStart
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rnf dunno `seq` rnf sols `seq` return ()
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after <- getMonotonicTime
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let dt = after - before
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putStrLn $ unlines
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[ " - #sols: " ++ show sols --( length sols )
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, " - #dunno: " ++ show ( length dunno )
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, " - Time elapsed: " ++ show dt ++ "s"
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, "" ]
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putStrLn $ unlines $
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[ " -- sols:" ++ ( if null sols then " ∅" else "" ) ]
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++
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( map ( \ sol -> " -- • " ++ show sol ) sols )
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++
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[ " -- #dunno: " ++ show ( length dunno )
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, " -- Time elapsed: " ++ show dt ++ "s" ]
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return dt
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{-
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main :: IO ()
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main =
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for_ testCases $ \ testCase@( TestCase { testName, testBrushStroke, testCuspOptions, testStartBoxes } ) -> do
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let ( _, testStrokeFnI ) = brushStrokeFunctions testBrushStroke
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( newtTrees, ( dunno, sols ) ) = computeCusps testCuspOptions testStrokeFnI testStartBoxes
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showedTrees = map ( uncurry showIntervalNewtonTree ) newtTrees
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testHeader =
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[ "", "Test case '" ++ testName ++ "':" ]
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putStrLn $ unlines $
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testHeader ++
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map ( " " ++ )
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[ " #sols: " ++ show (length sols)
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, "#dunno: " ++ show (length dunno)
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, "#trees: " ++ show @Int (sum @_ @Int $ map (foldTree ( \ _ bs -> 1 + sum bs )) showedTrees)
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, " dunno: " ++ show dunno
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, " sols: " ++ show sols
|
||||
]
|
||||
-- logFileMVar <- newMVar "logs/fnData.log"
|
||||
-- logToFile logFileMVar (unlines logLines)
|
||||
-- `seq` return ()
|
||||
-}
|
||||
|
||||
testCases :: [ TestCase ]
|
||||
testCases = benchCases
|
||||
-- [ --trickyCusp2
|
||||
-- ellipse "full" (0,1) pi $ defaultStartBoxes [ 2 ]
|
||||
-- ]
|
||||
-- ++
|
||||
{-
|
||||
[ ellipse ( "(k1, k2) = " ++ show (k1, k2) ) (k1, k2) pi $ defaultStartBoxes [ 2 ]
|
||||
| (k1, k2) <-
|
||||
[(0.5,0.6), (0.55, 0.56)]
|
||||
] ++
|
||||
[ ellipse ( "'(k1, k2) = " ++ show (k1, k2) ) (0,1) pi [ mkBox (k1 + zero, k2 + zero) 2 (zero, one) ]
|
||||
| (k1, k2) <-
|
||||
[(0.5,0.6), (0.55, 0.56)]
|
||||
]
|
||||
-}
|
||||
|
||||
benchCases :: [ TestCase ]
|
||||
benchCases =
|
||||
[ ellipseTestCase opts ("minWidth=" ++ show minWidth ++ ",ε=" ++ show narrowAbs) ( 0, 1 ) pi $ defaultStartBoxes [ 2 ]
|
||||
| minWidth <- [ 1e-5 ]
|
||||
, narrowAbs <- [ 5e-2 ]
|
||||
, let opts =
|
||||
RootIsolationOptions
|
||||
{ rootIsolationAlgorithms = defaultRootIsolationAlgorithms minWidth narrowAbs
|
||||
}
|
||||
benchGroups :: [ ( String, NE.NonEmpty TestCase ) ]
|
||||
benchGroups =
|
||||
[ ( "ellipse"
|
||||
, NE.fromList
|
||||
[ ellipseTestCase opts ("ε=" ++ show narrowAbs)
|
||||
( 0, 1 ) pi
|
||||
( defaultStartBoxes [ 0 .. 3 ] )
|
||||
| narrowAbs <- [ 5e-2, 1e-6 ]
|
||||
, let opts =
|
||||
RootIsolationOptions
|
||||
{ rootIsolationAlgorithms =
|
||||
defaultRootIsolationAlgorithms minWidth narrowAbs
|
||||
}
|
||||
]
|
||||
)
|
||||
, ( "trickyCusp2", NE.fromList [ trickyCusp2TestCase ] )
|
||||
]
|
||||
where
|
||||
minWidth = 1e-5
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
|
||||
data BrushStroke =
|
||||
forall nbParams. ParamsCt nbParams =>
|
||||
BrushStroke
|
||||
{ brush :: !( Brush ( ℝ nbParams ) )
|
||||
, stroke :: !( Point nbParams, Curve Open () ( Point nbParams ) )
|
||||
}
|
||||
{- -- Old testing code.
|
||||
|
||||
|
||||
data TestCase =
|
||||
TestCase
|
||||
{ testName :: String
|
||||
, testBrushStroke :: BrushStroke
|
||||
, testCuspOptions :: RootIsolationOptions N 3
|
||||
, testStartBoxes :: [ ( Int, [ Box 2 ] ) ]
|
||||
}
|
||||
|
||||
brushStrokeFunctions
|
||||
:: BrushStroke
|
||||
-> ( ℝ 1 -> Seq ( ℝ 1 -> StrokeDatum 2 () )
|
||||
, 𝕀ℝ 1 -> Seq ( 𝕀ℝ 1 -> StrokeDatum 3 𝕀 ) )
|
||||
brushStrokeFunctions ( BrushStroke { stroke = ( sp0, crv ), brush } ) =
|
||||
getStrokeFunctions brush sp0 crv
|
||||
|
||||
-- Utilities to use in GHCi to help debugging.
|
||||
getR1 (ℝ1 u) = u
|
||||
|
||||
eval
|
||||
:: ( I i ( ℝ 1 ) -> Seq ( I i ( ℝ 1 ) -> StrokeDatum k i ) )
|
||||
|
|
@ -234,12 +130,6 @@ mkBox :: ( Double, Double ) -> ( Double, Double ) -> Box 2
|
|||
mkBox ( t_min, t_max ) ( s_min, s_max ) =
|
||||
( 𝕀 ( ℝ2 t_min s_min ) ( ℝ2 t_max s_max ) )
|
||||
|
||||
zero, one :: Double
|
||||
zero = 1e-6
|
||||
one = 1 - zero
|
||||
{-# INLINE zero #-}
|
||||
{-# INLINE one #-}
|
||||
|
||||
potentialCusp :: StrokeDatum 3 𝕀 -> Bool
|
||||
potentialCusp
|
||||
( StrokeDatum
|
||||
|
|
@ -253,118 +143,6 @@ potentialCusp
|
|||
dEdsdcdt :: StrokeDatum k i -> D ( k - 2 ) ( I i ( ℝ 2 ) ) ( T ( I i ( ℝ 2 ) ) )
|
||||
dEdsdcdt ( StrokeDatum { 𝛿E𝛿sdcdt = v } ) = v
|
||||
|
||||
{-
|
||||
let (f, fI) = testCaseStrokeFunctions trickyCusp2
|
||||
|
||||
take 10 $ Data.List.sortOn ( \ ( _, ℝ1 e, v) -> abs e + norm v ) [ let { v = mkVal x 3 y; d = eval f v } in ( v, _D12_v $ ee d, _D0_v $ dEdsdcdt d ) | x <- [0.57,0.5701 .. 0.58], y <- [0.29,0.291..0.3] ]
|
||||
> ((ℝ1 0.5798800000000057,3,ℝ1 0.267980000000008),ℝ1 -2.8596965543670194e-4,V2 7.79559474412963e-2 2.0389671921293484e-2)
|
||||
|
||||
potentialCusp $ eval fI $ mkBox (0.5798, 0.5799) 3 (0.26798, 0.26799)
|
||||
> True
|
||||
|
||||
let nbPotentialSols b = let ( _newtTrees, ( dunno, sols ) ) = isolateRootsIn NoPreconditioning 1e-7 fI b in length dunno + length sols
|
||||
|
||||
nbPotentialSols $ mkBox (0.5798, 0.5799) 3 (0.26798, 0.26799)
|
||||
1
|
||||
|
||||
nbPotentialSols $ mkBox (0.5798, 0.675) 3 (0.26798, 0.26799)
|
||||
0
|
||||
|
||||
let showTrees b = map ( uncurry showIntervalNewtonTree ) $ fst $ isolateRootsIn NoPreconditioning 1e-7 fI b
|
||||
|
||||
putStrLn $ unlines $ map Data.Tree.View.showTree $ showTrees $ mkBox (0.5798, 0.675) 3 (0.26798, 0.26799)
|
||||
|
||||
([ℝ1 0.5798, ℝ1 0.675],3,[ℝ1 0.26798, ℝ1 0.26799]) (area 0.000001) N []
|
||||
└─ ([ℝ1 0.5973000285624527, ℝ1 0.6750000000000002],3,[ℝ1 0.26798, ℝ1 0.26799000000000006]) (area 0.000001) NoSolution "ee" ([ℝ1 0.5973000285624527, ℝ1 0.6750000000000002],3,[ℝ1 0.26798, ℝ1 0.26799000000000006])
|
||||
|
||||
eval fI $ mkBox (0.5798, 0.675) 3 (0.26798, 0.26799)
|
||||
> D12 {_D12_v = T[ℝ2 -10088.6674944889 -3281.3820867312834, ℝ2 4124.668381545453 4524.807156085763], _D12_dx = TT[ℝ2 -173746.97965005718 -33281.18494907289, ℝ2 298.2609121556852 23639.772884799597], _D12_dy = TT[ℝ2 -18454.27716258352 -28337.509817580823, ℝ2 1163.6949532017436 -13936.383137525536]}}
|
||||
i.e.
|
||||
> f = [ℝ2 -10088.6674944889 -3281.3820867312834, ℝ2 4124.668381545453 4524.807156085763]
|
||||
> f_t = [ℝ2 -173746.97965005718 -33281.18494907289, ℝ2 298.2609121556852 23639.772884799597]
|
||||
> f_s = [ℝ2 -18454.27716258352 -28337.509817580823, ℝ2 1163.6949532017436 -13936.383137525536]
|
||||
|
||||
(f, fI) = testCaseStrokeFunctions trickyCusp2
|
||||
t = 𝕀 (ℝ1 0.5798) (ℝ1 0.675)
|
||||
s = 𝕀 (ℝ1 0.26798) (ℝ1 0.26799)
|
||||
t_mid = 0.5 * ( 0.5798 + 0.675 )
|
||||
s_mid = 0.5 * ( 0.26798 + 0.26799 )
|
||||
D12 ( T f ) ( T ( T f_t ) ) ( T ( T f_s ) ) = dEdsdcdt $ eval fI (t, 3, s)
|
||||
t' = coerce ( (-) @( 𝕀 Double ) ) t ( singleton ( ℝ1 t_mid ) ) :: 𝕀ℝ 1
|
||||
s' = coerce ( (-) @( 𝕀 Double ) ) s ( singleton ( ℝ1 s_mid ) ) :: 𝕀ℝ 1
|
||||
a = ( f_t, f_s )
|
||||
b = negV2 $ singleton $ midV2 f
|
||||
[((t2', s2'), isContr)] = gaussSeidel a b (t', s')
|
||||
t2 = coerce ( (+) @( 𝕀 Double ) ) t2' ( singleton ( ℝ1 t_mid ) ) :: 𝕀ℝ 1
|
||||
s2 = coerce ( (+) @( 𝕀 Double ) ) s2' ( singleton ( ℝ1 s_mid ) ) :: 𝕀ℝ 1
|
||||
|
||||
t2
|
||||
> [ℝ1 0.6102365832093095, ℝ1 0.6750000000000002]
|
||||
s2
|
||||
> [ℝ1 0.26798, ℝ1 0.26799000000000006]
|
||||
|
||||
|
||||
let ( 𝕀 ( ℝ2 a11_lo a21_lo ) ( ℝ2 a11_hi a21_hi ), 𝕀 ( ℝ2 a12_lo a22_lo ) ( ℝ2 a12_hi a22_hi ) ) = a
|
||||
let ( 𝕀 ( ℝ2 b1_lo b2_lo ) ( ℝ2 b1_hi b2_hi ) ) = b
|
||||
let ( 𝕀 ( ℝ1 x1_lo ) ( ℝ1 x1_hi ), 𝕀 ( ℝ1 x2_lo ) ( ℝ1 x2_hi ) ) = ( t', s' )
|
||||
|
||||
a11 = 𝕀 a11_lo a11_hi
|
||||
a12 = 𝕀 a12_lo a12_hi
|
||||
a21 = 𝕀 a21_lo a21_hi
|
||||
a22 = 𝕀 a22_lo a22_hi
|
||||
b1 = 𝕀 b1_lo b1_hi
|
||||
b2 = 𝕀 b2_lo b2_hi
|
||||
x1 = 𝕀 x1_lo x1_hi
|
||||
x2 = 𝕀 x2_lo x2_hi
|
||||
|
||||
( b1 - a12 * x2 )
|
||||
> [2981.90728508591, 2982.0918278575364]
|
||||
|
||||
extendedRecip a11
|
||||
|
||||
-----------------------
|
||||
|
||||
fI k rot = snd $ testCaseStrokeFunctions $ ellipse k rot
|
||||
d k rot = width $ _D22_v $ ee $ eval (fI k rot) $ mkBox (1e-6, 1-1e-6) 3 (1e-6, 1-1e-6)
|
||||
|
||||
-----------------------
|
||||
|
||||
(f, fI) = testCaseStrokeFunctions $ ellipse 1 pi
|
||||
t = 𝕀 (ℝ1 0.001) (ℝ1 0.099)
|
||||
s = 𝕀 (ℝ1 0.001) (ℝ1 0.999)
|
||||
t_mid = 0.5 * ( 0.001 + 0.099 )
|
||||
s_mid = 0.5 * ( 0.001 + 0.999 )
|
||||
D12 ( T f ) ( T ( T f_t ) ) ( T ( T f_s ) ) = dEdsdcdt $ eval fI (t, 3, s)
|
||||
t' = coerce ( (-) @( 𝕀 Double ) ) t ( singleton ( ℝ1 t_mid ) ) :: 𝕀ℝ 1
|
||||
s' = coerce ( (-) @( 𝕀 Double ) ) s ( singleton ( ℝ1 s_mid ) ) :: 𝕀ℝ 1
|
||||
a = ( f_t, f_s )
|
||||
b = negV2 $ singleton $ midV2 f
|
||||
[((t2', s2'), isContr)] = gaussSeidel a b (t', s')
|
||||
t2 = coerce ( (+) @( 𝕀 Double ) ) t2' ( singleton ( ℝ1 t_mid ) ) :: 𝕀ℝ 1
|
||||
s2 = coerce ( (+) @( 𝕀 Double ) ) s2' ( singleton ( ℝ1 s_mid ) ) :: 𝕀ℝ 1
|
||||
|
||||
> t = [0.001, 0.099]
|
||||
> t' = [-0.049, 0.049]
|
||||
|
||||
(f, fI) = testCaseStrokeFunctions $ ellipse 0.1 pi
|
||||
t = 𝕀 (ℝ1 0.001) (ℝ1 0.999)
|
||||
s = 𝕀 (ℝ1 0.001) (ℝ1 0.999)
|
||||
t_mid = 0.5 * ( 0.001 + 0.999 )
|
||||
s_mid = 0.5 * ( 0.001 + 0.999 )
|
||||
D12 ( T f ) ( T ( T f_t ) ) ( T ( T f_s ) ) = dEdsdcdt $ eval fI (t, 3, s)
|
||||
t' = coerce ( (-) @( 𝕀 Double ) ) t ( singleton ( ℝ1 t_mid ) ) :: 𝕀ℝ 1
|
||||
s' = coerce ( (-) @( 𝕀 Double ) ) s ( singleton ( ℝ1 s_mid ) ) :: 𝕀ℝ 1
|
||||
a = ( f_t, f_s )
|
||||
b = negV2 $ singleton $ midV2 f
|
||||
[((t2', s2'), isContr)] = gaussSeidel a b (t', s')
|
||||
t2 = coerce ( (+) @( 𝕀 Double ) ) t2' ( singleton ( ℝ1 t_mid ) ) :: 𝕀ℝ 1
|
||||
s2 = coerce ( (+) @( 𝕀 Double ) ) s2' ( singleton ( ℝ1 s_mid ) ) :: 𝕀ℝ 1
|
||||
|
||||
> t = [0.001, 0.999]
|
||||
> t' = [-0.499, 0.499]
|
||||
|
||||
-}
|
||||
|
||||
width :: 𝕀ℝ 1 -> Double
|
||||
width (𝕀 (ℝ1 lo) (ℝ1 hi)) = hi - lo
|
||||
|
||||
|
|
@ -409,276 +187,10 @@ logLines =
|
|||
midPoint2 (𝕀 (ℝ2 lo_x lo_y) (ℝ2 hi_x hi_y))
|
||||
= ℝ2 ( 0.5 * ( lo_x + hi_x ) ) ( 0.5 * ( lo_y + hi_y ) )
|
||||
|
||||
|
||||
-- t = 0.5486102, s = 0.5480951
|
||||
|
||||
|
||||
bloo =
|
||||
[ ( e * e + vx * vx + vy * vy, ( t, s ) )
|
||||
| t <- [ 0.548609, 0.548609 + 0.0000001 .. 0.54862 ]
|
||||
, s <- [ 0.548094, 0.548094 + 0.0000001 .. 0.548096 ]
|
||||
, let StrokeDatum
|
||||
{ ee = D22 ee _ _ _ _ _
|
||||
, 𝛿E𝛿sdcdt = D12 (T f) _ _
|
||||
} = (curvesI (singleton (ℝ1 t)) `Seq.index` i) (singleton (ℝ1 s))
|
||||
e = midPoint ee
|
||||
ℝ2 vx vy = midPoint2 f
|
||||
vals = [ showD ( midPoint ee )
|
||||
, "{" ++ showD vx ++ "," ++ showD vy ++ "}"
|
||||
]
|
||||
]
|
||||
where
|
||||
i = 2
|
||||
( curves, curvesI ) = brushStrokeFunctions $ ellipseBrushStroke ( 0, 1 ) pi
|
||||
midPoint (𝕀 (ℝ1 lo) (ℝ1 hi)) = 0.5 * ( lo + hi )
|
||||
midPoint2 (𝕀 (ℝ2 lo_x lo_y) (ℝ2 hi_x hi_y))
|
||||
= ℝ2 ( 0.5 * ( lo_x + hi_x ) ) ( 0.5 * ( lo_y + hi_y ) )
|
||||
|
||||
{-
|
||||
|
||||
(f, fI) = brushStrokeFunctions $ ellipseBrushStroke ( 0, 1 ) pi
|
||||
|
||||
|
||||
|
||||
|
||||
_D22_v $ ee $ eval fI $ mkBox (0.5, 0.6) 2 (0,1)
|
||||
> [ℝ1 -9531.427315889887, ℝ1 10135.074304695485]
|
||||
|
||||
minimum $ map inf $ [ _D22_v $ ee $ eval fI $ mkBox (t, t + 0.01) 2 (0,1) | t <- [ 0.5, 0.51 .. 0.59 ] ]
|
||||
> ℝ1 -5718.905635365308
|
||||
|
||||
maximum $ map sup $ [ _D22_v $ ee $ eval fI $ mkBox (t, t + 0.01) 2 (0,1) | t <- [ 0.5, 0.51 .. 0.59 ] ]
|
||||
> ℝ1 5099.008191092755
|
||||
|
||||
minimum $ map inf $ [ _D22_v $ ee $ eval fI $ mkBox (t, t) 2 (s, s) | t <- [ 0.5, 0.501 .. 0.6 ], s <- [ zero, zero + 0.001 .. one ] ]
|
||||
> ℝ1 -675.9595496147458
|
||||
|
||||
maximum $ map sup $ [ _D22_v $ ee $ eval fI $ mkBox (t, t) 2 (s, s) | t <- [ 0.5, 0.501 .. 0.6 ], s <- [ zero, zero + 0.001 .. one ] ]
|
||||
> ℝ1 2401.9644509525997
|
||||
|
||||
_D12_v $ dEdsdcdt $ eval fI $ mkBox (0.5, 0.6) 2 (0,1)
|
||||
> T[ℝ2 -1.7300637136531524e7 -1.262824151868635e7, ℝ2 1.632868898735965e7 1.1869759856947478e7]
|
||||
|
||||
minimum [ _x $ inf $ unT $ _D12_v $ dEdsdcdt $ eval fI $ mkBox (t, t + 0.01) 2 (0,1) | t <- [ 0.5, 0.51 .. 0.59 ] ]
|
||||
-5606615.948203902
|
||||
|
||||
maximum [ _x $ sup $ unT $ _D12_v $ dEdsdcdt $ eval fI $ mkBox (t, t + 0.01) 2 (0,1) | t <- [ 0.5, 0.51 .. 0.59 ] ]
|
||||
4340858.832347277
|
||||
|
||||
minimum [ _x $ inf $ unT $ _D12_v $ dEdsdcdt $ eval fI $ mkBox (t, t) 2 (s, s) | t <- [ 0.5, 0.501 .. 0.6 ], s <- [ zero, zero + 0.001 .. one ] ]
|
||||
-1785730.2396688666
|
||||
|
||||
maximum [ _x $ sup $ unT $ _D12_v $ dEdsdcdt $ eval fI $ mkBox (t, t) 2 (s, s) | t <- [ 0.5, 0.501 .. 0.6 ], s <- [ zero, zero + 0.001 .. one ] ]
|
||||
974842.6547409865
|
||||
|
||||
maximum [ _y $ sup $ unT $ _D12_v $ dEdsdcdt $ eval fI $ mkBox (t, t) 2 (s, s) | t <- [ 0.5, 0.501 .. 0.6 ], s <- [ zero, zero + 0.001 .. one ] ]
|
||||
845211.4833711373
|
||||
|
||||
|
||||
|
||||
let showTrees b = map ( uncurry showIntervalNewtonTree ) $ fst $ isolateRootsIn NoPreconditioning 1e-7 fI b
|
||||
|
||||
putStrLn $ unlines $ map Data.Tree.View.showTree $ showTrees $ mkBox (0.5486101933245248, 0.5486102071493622) 2 (0.548095036738487, 0.5480952)
|
||||
|
||||
|
||||
|
||||
([ℝ1 0.5486101960904595, ℝ1 0.5486102071493623],2,[ℝ1 0.5480950771755867, ℝ1 0.5480952000000001])
|
||||
|
||||
-}
|
||||
|
||||
_x ( ℝ2 x _ ) = x
|
||||
_y ( ℝ2 _ y ) = y
|
||||
|
||||
showD :: Double -> String
|
||||
showD float = showFFloat (Just 6) float ""
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
|
||||
ellipseTestCase :: RootIsolationOptions N 3 -> String -> ( Double, Double ) -> Double -> [ ( Int, [ Box 2 ] ) ] -> TestCase
|
||||
ellipseTestCase opts str k0k1 rot startBoxes =
|
||||
TestCase
|
||||
{ testName = "ellipse (" ++ str ++ ")"
|
||||
, testBrushStroke = ellipseBrushStroke k0k1 rot
|
||||
, testCuspOptions = opts
|
||||
, testStartBoxes = startBoxes
|
||||
}
|
||||
|
||||
ellipseBrushStroke :: ( Double, Double ) -> Double -> BrushStroke
|
||||
ellipseBrushStroke ( k0, k1 ) rot =
|
||||
BrushStroke
|
||||
{ brush = ellipseBrush
|
||||
, stroke = ( p0, LineTo ( NextPoint p1 ) () ) }
|
||||
where
|
||||
mkPt x y w h phi =
|
||||
Point
|
||||
{ pointCoords = ℝ2 x y
|
||||
, pointParams = Params $ ℝ3 w h phi
|
||||
}
|
||||
l k = lerp @( T Double ) k
|
||||
p k = mkPt ( l k 0 100 ) 0 ( l k 10 15 ) ( l k 25 40 ) ( l k 0 rot )
|
||||
p0 = p k0
|
||||
p1 = p k1
|
||||
|
||||
trickyCusp2TestCase :: TestCase
|
||||
trickyCusp2TestCase =
|
||||
TestCase
|
||||
{ testName = "trickyCusp2"
|
||||
, testBrushStroke = trickyCusp2BrushStroke
|
||||
, testCuspOptions = defaultRootIsolationOptions
|
||||
, testStartBoxes = defaultStartBoxes [ 0 .. 3 ]
|
||||
}
|
||||
|
||||
trickyCusp2BrushStroke :: BrushStroke
|
||||
trickyCusp2BrushStroke =
|
||||
BrushStroke
|
||||
{ brush = circleBrush
|
||||
, stroke = ( p0, Bezier3To p1 p2 ( NextPoint p3 ) () )
|
||||
}
|
||||
where
|
||||
mkPt x y =
|
||||
Point
|
||||
{ pointCoords = ℝ2 x y
|
||||
, pointParams = Params $ ℝ1 5.0
|
||||
}
|
||||
p0 = mkPt 5e+1 -5e+1
|
||||
p1 = mkPt -7.72994362904069e+1 -3.124468786098509e+1
|
||||
p2 = mkPt -5.1505430313958364e+1 -3.9826386521527986e+1
|
||||
p3 = mkPt -5e+1 -5e+1
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
|
||||
type ParamsCt nbParams
|
||||
= ( Show ( ℝ nbParams )
|
||||
, HasChainRule Double 2 ( ℝ nbParams )
|
||||
, HasChainRule ( 𝕀 Double ) 3 ( 𝕀 ( ℝ nbParams ) )
|
||||
, Applicative ( D 2 ( ℝ nbParams ) )
|
||||
, Applicative ( D 3 ( ℝ nbParams ) )
|
||||
, Traversable ( D 2 ( ℝ nbParams ) )
|
||||
, Traversable ( D 3 ( ℝ nbParams ) )
|
||||
, Representable Double ( ℝ nbParams )
|
||||
, Module Double ( T ( ℝ nbParams ) )
|
||||
, Module ( 𝕀 Double ) ( T ( 𝕀 ( ℝ nbParams ) ) )
|
||||
, Module ( D 2 ( ℝ nbParams ) Double ) ( D 2 ( ℝ nbParams ) ( ℝ 2 ) )
|
||||
, Module ( D 3 ( ℝ nbParams ) ( 𝕀 Double ) ) ( D 3 ( ℝ nbParams ) ( 𝕀 ( ℝ 2 ) ) )
|
||||
, Transcendental ( D 2 ( ℝ nbParams ) Double )
|
||||
, Transcendental ( D 3 ( ℝ nbParams ) ( 𝕀 Double ) )
|
||||
)
|
||||
|
||||
newtype Params nbParams = Params { getParams :: ( ℝ nbParams ) }
|
||||
deriving newtype instance Show ( ℝ nbParams ) => Show ( Params nbParams )
|
||||
|
||||
data Point nbParams =
|
||||
Point
|
||||
{ pointCoords :: !( ℝ 2 )
|
||||
, pointParams :: !( Params nbParams ) }
|
||||
deriving stock Generic
|
||||
deriving stock instance Show ( ℝ nbParams ) => Show ( Point nbParams )
|
||||
|
||||
getStrokeFunctions
|
||||
:: forall nbParams
|
||||
. ParamsCt nbParams
|
||||
=> Brush ( ℝ nbParams )
|
||||
-- ^ brush shape
|
||||
-> Point nbParams
|
||||
-- ^ start point
|
||||
-> Curve Open () ( Point nbParams )
|
||||
-- ^ curve points
|
||||
-> ( ℝ 1 -> Seq ( ℝ 1 -> StrokeDatum 2 () )
|
||||
, 𝕀ℝ 1 -> Seq ( 𝕀ℝ 1 -> StrokeDatum 3 𝕀 ) )
|
||||
getStrokeFunctions ( Brush brushShape brushShapeI mbRot ) sp0 crv =
|
||||
let
|
||||
usedParams :: C 2 ( ℝ 1 ) ( ℝ nbParams )
|
||||
path :: C 2 ( ℝ 1 ) ( ℝ 2 )
|
||||
( path, usedParams ) =
|
||||
pathAndUsedParams @2 @() coerce id ( getParams . pointParams )
|
||||
sp0 crv
|
||||
usedParamsI :: C 3 ( 𝕀ℝ 1 ) ( 𝕀ℝ nbParams )
|
||||
pathI :: C 3 ( 𝕀ℝ 1 ) ( 𝕀ℝ 2 )
|
||||
( pathI, usedParamsI ) =
|
||||
pathAndUsedParams @3 @𝕀 coerce singleton ( getParams . pointParams )
|
||||
sp0 crv
|
||||
in ( brushStrokeData @2 @( ℝ nbParams ) coerce coerce
|
||||
path usedParams
|
||||
brushShape
|
||||
mbRot
|
||||
, brushStrokeData @3 @( ℝ nbParams ) coerce coerce
|
||||
pathI usedParamsI
|
||||
brushShapeI
|
||||
( fmap nonDecreasing mbRot )
|
||||
)
|
||||
{-# INLINEABLE getStrokeFunctions #-}
|
||||
|
||||
defaultStartBoxes :: [ Int ] -> [ ( Int, [ Box 2 ] ) ]
|
||||
defaultStartBoxes is =
|
||||
[ ( i, [ 𝕀 ( ℝ2 zero zero ) ( ℝ2 one one ) ] ) | i <- is ]
|
||||
-- [ ( i, [ 𝕀 ( ℝ2 t s ) ( ℝ2 ( t + 0.099999 ) ( s + 0.099999 ) )
|
||||
-- | t <- [ 0.00001, 0.1 .. 0.9 ]
|
||||
-- , s <- [ 0.00001, 0.1 .. 0.9 ]
|
||||
-- ] )
|
||||
-- | i <- is
|
||||
-- ]
|
||||
|
||||
getR1 (ℝ1 u) = u
|
||||
|
||||
{-
|
||||
|
||||
(f, fI) = brushStrokeFunctions $ ellipseBrushStroke (0,1) pi
|
||||
nbPotentialSols box = let ( _newtTrees, ( dunno, sols ) ) = isolateRootsIn NoPreconditioning 1e-7 fI box in length dunno + length sols
|
||||
showTrees box = putStrLn $ unlines $ map Data.Tree.View.showTree $ map ( uncurry showIntervalNewtonTree ) $ fst $ isolateRootsIn NoPreconditioning 1e-7 fI box
|
||||
|
||||
sol_t = 0.5486100729150693796677845183880669025324233347060776339185 :: Double
|
||||
sol_s = 0.5480950141859386853197594577293968665598143630958601978245 :: Double
|
||||
containsSol (t, _i, s) = getR1 (inf t) <= sol_t && getR1 (sup t) >= sol_t && getR1 (inf s) <= sol_s && getR1 (sup s) >= sol_s
|
||||
|
||||
(t, i, s) = mkBox (0.54, 0.55) 2 (0.5480, 0.5481)
|
||||
containsSol (t, i, s)
|
||||
nbPotentialSols (t,i,s)
|
||||
|
||||
t_mid = 0.5 * ( getR1 ( inf t ) + getR1 ( sup t ) )
|
||||
s_mid = 0.5 * ( getR1 ( inf s ) + getR1 ( sup s ) )
|
||||
D12 ( T _f ) ( T ( T f_t ) ) ( T ( T f_s ) ) = dEdsdcdt $ eval fI (t, i, s)
|
||||
D0 ( T f_mid ) = dEdsdcdt $ eval f $ mkVal t_mid 2 s_mid
|
||||
t' = coerce ( (-) @( 𝕀 Double ) ) t ( singleton ( ℝ1 t_mid ) ) :: 𝕀ℝ 1
|
||||
s' = coerce ( (-) @( 𝕀 Double ) ) s ( singleton ( ℝ1 s_mid ) ) :: 𝕀ℝ 1
|
||||
a = ( f_t, f_s )
|
||||
b = negV2 $ singleton f_mid
|
||||
[((t2', s2'), isContr)] = gaussSeidel a b (t', s')
|
||||
t2 = coerce ( (+) @( 𝕀 Double ) ) t2' ( singleton ( ℝ1 t_mid ) ) :: 𝕀ℝ 1
|
||||
s2 = coerce ( (+) @( 𝕀 Double ) ) s2' ( singleton ( ℝ1 s_mid ) ) :: 𝕀ℝ 1
|
||||
|
||||
t2
|
||||
> [ℝ1 0.5451193766263323, ℝ1 0.545225929860598]
|
||||
s2
|
||||
> [ℝ1 0.548, ℝ1 0.5481]
|
||||
containsSol (t2, i, s2)
|
||||
> False
|
||||
|
||||
|
||||
|
||||
let ( 𝕀 ( ℝ2 a11_lo a21_lo ) ( ℝ2 a11_hi a21_hi ), 𝕀 ( ℝ2 a12_lo a22_lo ) ( ℝ2 a12_hi a22_hi ) ) = a
|
||||
let ( 𝕀 ( ℝ2 b1_lo b2_lo ) ( ℝ2 b1_hi b2_hi ) ) = b
|
||||
let ( 𝕀 ( ℝ1 x1_lo ) ( ℝ1 x1_hi ), 𝕀 ( ℝ1 x2_lo ) ( ℝ1 x2_hi ) ) = ( t', s' )
|
||||
|
||||
a11 = 𝕀 a11_lo a11_hi
|
||||
a12 = 𝕀 a12_lo a12_hi
|
||||
a21 = 𝕀 a21_lo a21_hi
|
||||
a22 = 𝕀 a22_lo a22_hi
|
||||
b1 = 𝕀 b1_lo b1_hi
|
||||
b2 = 𝕀 b2_lo b2_hi
|
||||
x1 = 𝕀 x1_lo x1_hi
|
||||
x2 = 𝕀 x2_lo x2_hi
|
||||
|
||||
( b1 - a12 * x2 ) `extendedDivide` a11
|
||||
-}
|
||||
|
||||
{-
|
||||
|
||||
bound consistency / box consistency
|
||||
|
||||
ghci> (f, fI) = brushStrokeFunctions $ ellipseBrushStroke (0,1) pi
|
||||
ghci> ee $ eval fI $ mkBox (0, succFP 0) 2 (0.5,0.75)
|
||||
D22 {_D22_v = [ℝ1 -4379.198802308688, ℝ1 -1791.4548164846506], _D22_dx = T[ℝ1 -3417.0023260831304, ℝ1 6215.362085329192], _D22_dy = T[ℝ1 3524.130928930924, ℝ1 8849.881134814816], _D22_dxdx = T[ℝ1 -13397.019488083239, ℝ1 61439.0409103
|
||||
|
||||
|
||||
|
||||
-}
|
||||
|
|
@ -64,6 +64,7 @@ instance RootIsolationAlgorithm Bisection where
|
|||
( fallbackBisectionCoord thisRoundHist prevRoundsHist eqs )
|
||||
box
|
||||
return ( whatBis, boxes )
|
||||
{-# INLINEABLE rootIsolationAlgorithm #-}
|
||||
|
||||
-- | Options for the bisection method.
|
||||
type BisectionOptions :: Nat -> Nat -> Type
|
||||
|
|
|
|||
|
|
@ -234,7 +234,11 @@ showArea :: Double -> String
|
|||
showArea area = "(area " ++ showFFloat (Just 6) area "" ++ ")"
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
-- Utilities.
|
||||
-- Utilities for feeding one computation into the next.
|
||||
|
||||
-- NB: I tried adding RULES on these functions in order to perform
|
||||
-- "loop unrolling"-like optimisations, but this does not seem to
|
||||
-- improve the performance.
|
||||
|
||||
-- | Run an effectful computation several times in sequence, piping its output
|
||||
-- into the next input, once for each coordinate dimension.
|
||||
|
|
@ -263,3 +267,5 @@ pipeFunctionsWhileTrue fns = go fns
|
|||
go ( f : fs ) x = do
|
||||
xs <- f x
|
||||
concat <$> traverse ( go fs ) xs
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
|
|
|
|||
|
|
@ -227,7 +227,7 @@ narrowingMethods ε_eq ε_bis ( AdaptiveShaving opts )
|
|||
-- TODO: haven't implemented right shaving yet
|
||||
narrowingMethods _ε_eq ε_bis TwoSidedShaving
|
||||
= [ sbc ε_bis ]
|
||||
{-# INLINE narrowingMethods #-}
|
||||
{-# INLINEABLE narrowingMethods #-}
|
||||
|
||||
allNarrowingOperators
|
||||
:: forall n d
|
||||
|
|
|
|||
Loading…
Reference in a new issue