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Graham Lee 9ead8781d4 Add .docc catalog to publish stdlib docs on swift.org
Co-authored-by: Alex Martini <amartini@apple.com>
Co-authored-by: Graham Lee <glee23@apple.com>
Co-authored-by: Chris Adamson <cadamson@apple.com>
Co-authored-by: Kirby Turner <kirby_turner@apple.com>
Co-authored-by: Paris Pinkney <ppinkney@apple.com>
Co-authored-by: Dave Spector <dspector@apple.com>
Co-authored-by: Sofia Rodriguez Morales <sofia_rodriguez@apple.com>
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2026-04-10 10:04:56 -04:00

4.5 KiB

Swift/Double

Topics

Converting Integers

  • Swift/Double/init(_:)-5blrp
  • Swift/Double/init(_:)-84ohu

Converting Strings

  • Swift/Double/init(_:)-5wmm8
  • Swift/Double/init(_:)-15kej

Converting Floating-Point Values

  • Swift/Double/init(_:)-1488d
  • Swift/Double/init(_:)-o1k9
  • Swift/Double/init(_:)-5h7qh
  • Swift/Double/init(_:)-aeox
  • Swift/Double/init(_:)-9z7ob
  • Swift/Double/init(sign:exponent:significand:)
  • Swift/Double/init(signOf:magnitudeOf:)-4olpd
  • Swift/Double/init(_:)-1oh9r

Converting with No Loss of Precision

These initializers result in nil if the value passed can't be represented without any loss of precision.

  • Swift/Double/init(exactly:)-8esra
  • Swift/Double/init(exactly:)-1h1oc
  • Swift/Double/init(exactly:)-2uexo
  • Swift/Double/init(exactly:)-2l6p1
  • Swift/Double/init(exactly:)-7cl0t
  • Swift/Double/init(exactly:)-50ofc
  • Swift/Double/init(exactly:)-63925

Creating a Random Value

  • Swift/Double/random(in:)-6idef
  • Swift/Double/random(in:using:)-1m6gd
  • Swift/Double/random(in:)-5o5ha
  • Swift/Double/random(in:using:)-613hz

Performing Calculations

  • doc:floating-point-operators-for-double
  • Swift/Double/addingProduct(_:_:)
  • Swift/Double/addProduct(_:_:)
  • Swift/Double/squareRoot()
  • Swift/Double/formSquareRoot()
  • Swift/Double/remainder(dividingBy:)
  • Swift/Double/formRemainder(dividingBy:)
  • Swift/Double/truncatingRemainder(dividingBy:)
  • Swift/Double/formTruncatingRemainder(dividingBy:)
  • Swift/Double/negate()-43dca

Rounding Values

  • Swift/Double/rounded()
  • Swift/Double/rounded(_:)
  • Swift/Double/round()
  • Swift/Double/round(_:)

Comparing Values

  • doc:floating-point-operators-for-double
  • Swift/Double/isEqual(to:)
  • Swift/Double/isLess(than:)
  • Swift/Double/isLessThanOrEqualTo(_:)
  • Swift/Double/isTotallyOrdered(belowOrEqualTo:)
  • Swift/Double/minimum(_:_:)
  • Swift/Double/minimumMagnitude(_:_:)
  • Swift/Double/maximum(_:_:)
  • Swift/Double/maximumMagnitude(_:_:)

Finding the Sign and Magnitude

  • Swift/Double/magnitude-swift.property
  • Swift/Double/sign
  • Swift/Double/Magnitude-swift.typealias

Querying a Double

  • Swift/Double/ulp
  • Swift/Double/significand
  • Swift/Double/exponent-swift.property
  • Swift/Double/nextUp
  • Swift/Double/nextDown
  • Swift/Double/binade

Accessing Numeric Constants

  • Swift/Double/pi
  • Swift/Double/infinity
  • Swift/Double/greatestFiniteMagnitude
  • Swift/Double/nan
  • Swift/Double/signalingNaN
  • Swift/Double/ulpOfOne-5gc7y
  • Swift/Double/leastNonzeroMagnitude
  • Swift/Double/leastNormalMagnitude
  • Swift/Double/zero

Working with Binary Representation

  • Swift/Double/bitPattern
  • Swift/Double/significandBitPattern
  • Swift/Double/significandWidth
  • Swift/Double/exponentBitPattern
  • Swift/Double/significandBitCount
  • Swift/Double/exponentBitCount
  • Swift/Double/radix
  • Swift/Double/init(bitPattern:)
  • Swift/Double/init(sign:exponentBitPattern:significandBitPattern:)
  • Swift/Double/init(nan:signaling:)
  • Swift/Double/Exponent-swift.typealias
  • Swift/Double/RawSignificand

Querying a Double's State

  • Swift/Double/isZero
  • Swift/Double/isFinite
  • Swift/Double/isInfinite
  • Swift/Double/isNaN
  • Swift/Double/isSignalingNaN
  • Swift/Double/isNormal
  • Swift/Double/isSubnormal
  • Swift/Double/isCanonical
  • Swift/Double/floatingPointClass

Encoding and Decoding Values

  • Swift/Double/encode(to:)
  • Swift/Double/init(from:)-3crx3

Creating a Range

  • Swift/Double/..<(_:_:)
  • Swift/Double/...(_:_:)

Describing a Double

  • Swift/Double/description
  • Swift/Double/debugDescription
  • Swift/Double/customMirror
  • Swift/Double/hash(into:)

Infrequently Used Functionality

  • Swift/Double/init()
  • Swift/Double/init(floatLiteral:)
  • Swift/Double/init(integerLiteral:)-605xp
  • Swift/Double/init(integerLiteral:)-6hc7j
  • Swift/Double/advanced(by:)
  • Swift/Double/distance(to:)
  • Swift/Double/write(to:)

SIMD-Supporting Types

  • Swift/Double/SIMDMaskScalar
  • Swift/Double/SIMD2Storage
  • Swift/Double/SIMD4Storage
  • Swift/Double/SIMD8Storage
  • Swift/Double/SIMD16Storage
  • Swift/Double/SIMD32Storage
  • Swift/Double/SIMD64Storage

Deprecated

  • Swift/Double/customPlaygroundQuickLook