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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Successful build of Doubles with Swift 6.0 for macOS (SPM).

Swift 6 data race errors: 43

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

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RunAll
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Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
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Clone URL: https://github.com/mgriebling/Doubles.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/mgriebling/Doubles
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 11874bc Documentation addition
Cloned https://github.com/mgriebling/Doubles.git
Revision (git rev-parse @):
11874bcd84404008d643bc9178bc5671211ef103
SUCCESS checkout https://github.com/mgriebling/Doubles.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/mgriebling/Doubles.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-6F35C1178C84523A.txt
[3/7] Compiling Doubles String+Char.swift
[4/7] Compiling Doubles Common.swift
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:452:16: warning: static property 'fixed' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
     :
 450 |
 451 |     static let scientific = Format(rawValue: 1 << 6)
 452 |     static let fixed = Format(rawValue: 1 << 7)
     |                |- warning: static property 'fixed' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'fixed' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 453 |
 454 |     static let baseField: Format = [.dec, .oct, .hex]
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:449:16: warning: static property 'intern' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
     :
 447 |     static let left = Format(rawValue: 1 << 3)
 448 |     static let right = Format(rawValue: 1 << 4)
 449 |     static let intern = Format(rawValue: 1 << 5)
     |                |- warning: static property 'intern' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'intern' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 450 |
 451 |     static let scientific = Format(rawValue: 1 << 6)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:447:16: warning: static property 'left' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
     :
 445 |     static let hex = Format(rawValue: 1 << 2)
 446 |
 447 |     static let left = Format(rawValue: 1 << 3)
     |                |- warning: static property 'left' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'left' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 448 |     static let right = Format(rawValue: 1 << 4)
 449 |     static let intern = Format(rawValue: 1 << 5)
[5/7] Emitting module Doubles
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:106:24: warning: static property '_2pi' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 104 |
 105 |     /// Internal constants
 106 |     static private let _2pi = DDouble(6.283185307179586232e+00, 2.449293598294706414e-16);
     |                        |- warning: static property '_2pi' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_2pi' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 107 |     static private let _pi = DDouble(3.141592653589793116e+00, 1.224646799147353207e-16);
 108 |     static private let _pi2 = DDouble(1.570796326794896558e+00, 6.123233995736766036e-17);
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:107:24: warning: static property '_pi' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 105 |     /// Internal constants
 106 |     static private let _2pi = DDouble(6.283185307179586232e+00, 2.449293598294706414e-16);
 107 |     static private let _pi = DDouble(3.141592653589793116e+00, 1.224646799147353207e-16);
     |                        |- warning: static property '_pi' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_pi' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 108 |     static private let _pi2 = DDouble(1.570796326794896558e+00, 6.123233995736766036e-17);
 109 |     static private let _pi4 = DDouble(7.853981633974482790e-01, 3.061616997868383018e-17);
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:108:24: warning: static property '_pi2' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 106 |     static private let _2pi = DDouble(6.283185307179586232e+00, 2.449293598294706414e-16);
 107 |     static private let _pi = DDouble(3.141592653589793116e+00, 1.224646799147353207e-16);
 108 |     static private let _pi2 = DDouble(1.570796326794896558e+00, 6.123233995736766036e-17);
     |                        |- warning: static property '_pi2' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_pi2' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 109 |     static private let _pi4 = DDouble(7.853981633974482790e-01, 3.061616997868383018e-17);
 110 |     static private let _3pi4 = DDouble(2.356194490192344837e+00, 9.1848509936051484375e-17);
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:109:24: warning: static property '_pi4' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 107 |     static private let _pi = DDouble(3.141592653589793116e+00, 1.224646799147353207e-16);
 108 |     static private let _pi2 = DDouble(1.570796326794896558e+00, 6.123233995736766036e-17);
 109 |     static private let _pi4 = DDouble(7.853981633974482790e-01, 3.061616997868383018e-17);
     |                        |- warning: static property '_pi4' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_pi4' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 110 |     static private let _3pi4 = DDouble(2.356194490192344837e+00, 9.1848509936051484375e-17);
 111 |     static private let _e = DDouble(2.718281828459045091e+00, 1.445646891729250158e-16);
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:110:24: warning: static property '_3pi4' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 108 |     static private let _pi2 = DDouble(1.570796326794896558e+00, 6.123233995736766036e-17);
 109 |     static private let _pi4 = DDouble(7.853981633974482790e-01, 3.061616997868383018e-17);
 110 |     static private let _3pi4 = DDouble(2.356194490192344837e+00, 9.1848509936051484375e-17);
     |                        |- warning: static property '_3pi4' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_3pi4' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 111 |     static private let _e = DDouble(2.718281828459045091e+00, 1.445646891729250158e-16);
 112 |     static public  let Log2 = DDouble(6.931471805599452862e-01, 2.319046813846299558e-17);
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:111:24: warning: static property '_e' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 109 |     static private let _pi4 = DDouble(7.853981633974482790e-01, 3.061616997868383018e-17);
 110 |     static private let _3pi4 = DDouble(2.356194490192344837e+00, 9.1848509936051484375e-17);
 111 |     static private let _e = DDouble(2.718281828459045091e+00, 1.445646891729250158e-16);
     |                        |- warning: static property '_e' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_e' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 112 |     static public  let Log2 = DDouble(6.931471805599452862e-01, 2.319046813846299558e-17);
 113 |     static public  let Log10 = DDouble(2.302585092994045901e+00, -2.170756223382249351e-16);
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:112:24: warning: static property 'Log2' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 110 |     static private let _3pi4 = DDouble(2.356194490192344837e+00, 9.1848509936051484375e-17);
 111 |     static private let _e = DDouble(2.718281828459045091e+00, 1.445646891729250158e-16);
 112 |     static public  let Log2 = DDouble(6.931471805599452862e-01, 2.319046813846299558e-17);
     |                        |- warning: static property 'Log2' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate 'Log2' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 113 |     static public  let Log10 = DDouble(2.302585092994045901e+00, -2.170756223382249351e-16);
 114 |     static private let _nan = DDouble(Double.nan, Double.nan)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:113:24: warning: static property 'Log10' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 111 |     static private let _e = DDouble(2.718281828459045091e+00, 1.445646891729250158e-16);
 112 |     static public  let Log2 = DDouble(6.931471805599452862e-01, 2.319046813846299558e-17);
 113 |     static public  let Log10 = DDouble(2.302585092994045901e+00, -2.170756223382249351e-16);
     |                        |- warning: static property 'Log10' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate 'Log10' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 114 |     static private let _nan = DDouble(Double.nan, Double.nan)
 115 |     static private let _snan = DDouble(Double.signalingNaN, Double.signalingNaN)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:114:24: warning: static property '_nan' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 112 |     static public  let Log2 = DDouble(6.931471805599452862e-01, 2.319046813846299558e-17);
 113 |     static public  let Log10 = DDouble(2.302585092994045901e+00, -2.170756223382249351e-16);
 114 |     static private let _nan = DDouble(Double.nan, Double.nan)
     |                        |- warning: static property '_nan' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_nan' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 115 |     static private let _snan = DDouble(Double.signalingNaN, Double.signalingNaN)
 116 |     static private let _inf = DDouble(Double.infinity, Double.infinity)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:115:24: warning: static property '_snan' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 113 |     static public  let Log10 = DDouble(2.302585092994045901e+00, -2.170756223382249351e-16);
 114 |     static private let _nan = DDouble(Double.nan, Double.nan)
 115 |     static private let _snan = DDouble(Double.signalingNaN, Double.signalingNaN)
     |                        |- warning: static property '_snan' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_snan' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 116 |     static private let _inf = DDouble(Double.infinity, Double.infinity)
 117 |
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:116:24: warning: static property '_inf' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 114 |     static private let _nan = DDouble(Double.nan, Double.nan)
 115 |     static private let _snan = DDouble(Double.signalingNaN, Double.signalingNaN)
 116 |     static private let _inf = DDouble(Double.infinity, Double.infinity)
     |                        |- warning: static property '_inf' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_inf' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 117 |
 118 |     static private let _eps = 4.93038065763132e-32;  // 2^-104
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:120:24: warning: static property '_max' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 118 |     static private let _eps = 4.93038065763132e-32;  // 2^-104
 119 |     static private let _min_normalized = 2.0041683600089728e-292;  // = 2^(-1022 + 53)
 120 |     static private let _max = DDouble(1.79769313486231570815e+308, 9.97920154767359795037e+291);
     |                        |- warning: static property '_max' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_max' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 121 |     static private let _safe_max = DDouble(1.7976931080746007281e+308, 9.97920154767359795037e+291);
 122 |     static private let _ndigits = 31
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:121:24: warning: static property '_safe_max' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 119 |     static private let _min_normalized = 2.0041683600089728e-292;  // = 2^(-1022 + 53)
 120 |     static private let _max = DDouble(1.79769313486231570815e+308, 9.97920154767359795037e+291);
 121 |     static private let _safe_max = DDouble(1.7976931080746007281e+308, 9.97920154767359795037e+291);
     |                        |- warning: static property '_safe_max' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_safe_max' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 122 |     static private let _ndigits = 31
 123 |
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:125:23: warning: static property 'e' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 123 |
 124 |     static public let eps = _eps
 125 |     static public let e = _e
     |                       |- warning: static property 'e' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'e' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 126 |     static public let max = _max
 127 |
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:126:23: warning: static property 'max' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 124 |     static public let eps = _eps
 125 |     static public let e = _e
 126 |     static public let max = _max
     |                       |- warning: static property 'max' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'max' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 127 |
 128 |     /// Base 10 digits
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:443:16: warning: static property 'dec' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
 441 |     public init(rawValue: Int) { self.rawValue = rawValue }
 442 |
 443 |     static let dec = Format(rawValue: 1 << 0)
     |                |- warning: static property 'dec' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'dec' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 444 |     static let oct = Format(rawValue: 1 << 1)
 445 |     static let hex = Format(rawValue: 1 << 2)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:444:16: warning: static property 'oct' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
     :
 442 |
 443 |     static let dec = Format(rawValue: 1 << 0)
 444 |     static let oct = Format(rawValue: 1 << 1)
     |                |- warning: static property 'oct' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'oct' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 445 |     static let hex = Format(rawValue: 1 << 2)
 446 |
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:445:16: warning: static property 'hex' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
     :
 443 |     static let dec = Format(rawValue: 1 << 0)
 444 |     static let oct = Format(rawValue: 1 << 1)
 445 |     static let hex = Format(rawValue: 1 << 2)
     |                |- warning: static property 'hex' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'hex' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 446 |
 447 |     static let left = Format(rawValue: 1 << 3)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:447:16: warning: static property 'left' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
     :
 445 |     static let hex = Format(rawValue: 1 << 2)
 446 |
 447 |     static let left = Format(rawValue: 1 << 3)
     |                |- warning: static property 'left' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'left' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 448 |     static let right = Format(rawValue: 1 << 4)
 449 |     static let intern = Format(rawValue: 1 << 5)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:448:16: warning: static property 'right' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
     :
 446 |
 447 |     static let left = Format(rawValue: 1 << 3)
 448 |     static let right = Format(rawValue: 1 << 4)
     |                |- warning: static property 'right' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'right' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 449 |     static let intern = Format(rawValue: 1 << 5)
 450 |
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:449:16: warning: static property 'intern' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
     :
 447 |     static let left = Format(rawValue: 1 << 3)
 448 |     static let right = Format(rawValue: 1 << 4)
 449 |     static let intern = Format(rawValue: 1 << 5)
     |                |- warning: static property 'intern' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'intern' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 450 |
 451 |     static let scientific = Format(rawValue: 1 << 6)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:451:16: warning: static property 'scientific' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
     :
 449 |     static let intern = Format(rawValue: 1 << 5)
 450 |
 451 |     static let scientific = Format(rawValue: 1 << 6)
     |                |- warning: static property 'scientific' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'scientific' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 452 |     static let fixed = Format(rawValue: 1 << 7)
 453 |
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:452:16: warning: static property 'fixed' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
     :
 450 |
 451 |     static let scientific = Format(rawValue: 1 << 6)
 452 |     static let fixed = Format(rawValue: 1 << 7)
     |                |- warning: static property 'fixed' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'fixed' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 453 |
 454 |     static let baseField: Format = [.dec, .oct, .hex]
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:454:16: warning: static property 'baseField' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
     :
 452 |     static let fixed = Format(rawValue: 1 << 7)
 453 |
 454 |     static let baseField: Format = [.dec, .oct, .hex]
     |                |- warning: static property 'baseField' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'baseField' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 455 |     static let adjustField: Format = [.left, .right, .intern]
 456 |     static let floatField: Format = [.scientific, .fixed]
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:455:16: warning: static property 'adjustField' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
     :
 453 |
 454 |     static let baseField: Format = [.dec, .oct, .hex]
 455 |     static let adjustField: Format = [.left, .right, .intern]
     |                |- warning: static property 'adjustField' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'adjustField' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 456 |     static let floatField: Format = [.scientific, .fixed]
 457 | }
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:456:16: warning: static property 'floatField' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
     :
 454 |     static let baseField: Format = [.dec, .oct, .hex]
 455 |     static let adjustField: Format = [.left, .right, .intern]
 456 |     static let floatField: Format = [.scientific, .fixed]
     |                |- warning: static property 'floatField' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'floatField' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 457 | }
 458 |
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:1223:24: warning: static property '_pi16' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
1221 |     public static func abs(_ a: DDouble) -> DDouble { a.abs }
1222 |
1223 |     static private let _pi16 = DDouble(1.963495408493620697e-01, 7.654042494670957545e-18)
     |                        |- warning: static property '_pi16' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_pi16' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
1224 |
1225 |     /* Table of sin(k * pi/16) and cos(k * pi/16). */
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:53:23: warning: static property 'twopi' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  51 |     /// Internal/public constants
  52 |     ///
  53 |     public static let twopi =   QDouble(6.283185307179586232e+00, 2.449293598294706414e-16, -5.989539619436679332e-33, 2.224908441726730563e-49)
     |                       |- warning: static property 'twopi' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'twopi' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  54 |     public static let pi =      QDouble(3.141592653589793116e+00, 1.224646799147353207e-16, -2.994769809718339666e-33, 1.112454220863365282e-49)
  55 |     public static let pi2 =     QDouble(1.570796326794896558e+00, 6.123233995736766036e-17, -1.497384904859169833e-33, 5.562271104316826408e-50)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:54:23: warning: static property 'pi' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  52 |     ///
  53 |     public static let twopi =   QDouble(6.283185307179586232e+00, 2.449293598294706414e-16, -5.989539619436679332e-33, 2.224908441726730563e-49)
  54 |     public static let pi =      QDouble(3.141592653589793116e+00, 1.224646799147353207e-16, -2.994769809718339666e-33, 1.112454220863365282e-49)
     |                       |- warning: static property 'pi' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'pi' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  55 |     public static let pi2 =     QDouble(1.570796326794896558e+00, 6.123233995736766036e-17, -1.497384904859169833e-33, 5.562271104316826408e-50)
  56 |     public static let pi4 =     QDouble(7.853981633974482790e-01, 3.061616997868383018e-17, -7.486924524295849165e-34, 2.781135552158413204e-50)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:55:23: warning: static property 'pi2' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  53 |     public static let twopi =   QDouble(6.283185307179586232e+00, 2.449293598294706414e-16, -5.989539619436679332e-33, 2.224908441726730563e-49)
  54 |     public static let pi =      QDouble(3.141592653589793116e+00, 1.224646799147353207e-16, -2.994769809718339666e-33, 1.112454220863365282e-49)
  55 |     public static let pi2 =     QDouble(1.570796326794896558e+00, 6.123233995736766036e-17, -1.497384904859169833e-33, 5.562271104316826408e-50)
     |                       |- warning: static property 'pi2' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'pi2' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  56 |     public static let pi4 =     QDouble(7.853981633974482790e-01, 3.061616997868383018e-17, -7.486924524295849165e-34, 2.781135552158413204e-50)
  57 |
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:56:23: warning: static property 'pi4' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  54 |     public static let pi =      QDouble(3.141592653589793116e+00, 1.224646799147353207e-16, -2.994769809718339666e-33, 1.112454220863365282e-49)
  55 |     public static let pi2 =     QDouble(1.570796326794896558e+00, 6.123233995736766036e-17, -1.497384904859169833e-33, 5.562271104316826408e-50)
  56 |     public static let pi4 =     QDouble(7.853981633974482790e-01, 3.061616997868383018e-17, -7.486924524295849165e-34, 2.781135552158413204e-50)
     |                       |- warning: static property 'pi4' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'pi4' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  57 |
  58 |     public static let e =       QDouble(2.718281828459045091e+00, 1.445646891729250158e-16, -2.127717108038176765e-33, 1.515630159841218954e-49)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:58:23: warning: static property 'e' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  56 |     public static let pi4 =     QDouble(7.853981633974482790e-01, 3.061616997868383018e-17, -7.486924524295849165e-34, 2.781135552158413204e-50)
  57 |
  58 |     public static let e =       QDouble(2.718281828459045091e+00, 1.445646891729250158e-16, -2.127717108038176765e-33, 1.515630159841218954e-49)
     |                       |- warning: static property 'e' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'e' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  59 |     public static let Log2 =    QDouble(6.931471805599452862e-01, 2.319046813846299558e-17, 5.707708438416212066e-34, -3.582432210601811423e-50)
  60 |     public static let Log10 =   QDouble(2.302585092994045901e+00, -2.170756223382249351e-16, -9.984262454465776570e-33, -4.023357454450206379e-49)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:59:23: warning: static property 'Log2' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  57 |
  58 |     public static let e =       QDouble(2.718281828459045091e+00, 1.445646891729250158e-16, -2.127717108038176765e-33, 1.515630159841218954e-49)
  59 |     public static let Log2 =    QDouble(6.931471805599452862e-01, 2.319046813846299558e-17, 5.707708438416212066e-34, -3.582432210601811423e-50)
     |                       |- warning: static property 'Log2' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'Log2' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  60 |     public static let Log10 =   QDouble(2.302585092994045901e+00, -2.170756223382249351e-16, -9.984262454465776570e-33, -4.023357454450206379e-49)
  61 |
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:60:23: warning: static property 'Log10' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  58 |     public static let e =       QDouble(2.718281828459045091e+00, 1.445646891729250158e-16, -2.127717108038176765e-33, 1.515630159841218954e-49)
  59 |     public static let Log2 =    QDouble(6.931471805599452862e-01, 2.319046813846299558e-17, 5.707708438416212066e-34, -3.582432210601811423e-50)
  60 |     public static let Log10 =   QDouble(2.302585092994045901e+00, -2.170756223382249351e-16, -9.984262454465776570e-33, -4.023357454450206379e-49)
     |                       |- warning: static property 'Log10' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'Log10' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  61 |
  62 |     private static let pi1024 = QDouble(3.067961575771282340e-03, 1.195944139792337116e-19, -2.924579892303066080e-36, 1.086381075061880158e-52)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:62:24: warning: static property 'pi1024' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  60 |     public static let Log10 =   QDouble(2.302585092994045901e+00, -2.170756223382249351e-16, -9.984262454465776570e-33, -4.023357454450206379e-49)
  61 |
  62 |     private static let pi1024 = QDouble(3.067961575771282340e-03, 1.195944139792337116e-19, -2.924579892303066080e-36, 1.086381075061880158e-52)
     |                        |- warning: static property 'pi1024' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate 'pi1024' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  63 |     private static let _3pi4  = QDouble(2.356194490192344837e+00, 9.1848509936051484375e-17, 3.9168984647504003225e-33, -2.5867981632704860386e-49)
  64 |
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:63:24: warning: static property '_3pi4' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  61 |
  62 |     private static let pi1024 = QDouble(3.067961575771282340e-03, 1.195944139792337116e-19, -2.924579892303066080e-36, 1.086381075061880158e-52)
  63 |     private static let _3pi4  = QDouble(2.356194490192344837e+00, 9.1848509936051484375e-17, 3.9168984647504003225e-33, -2.5867981632704860386e-49)
     |                        |- warning: static property '_3pi4' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_3pi4' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  64 |
  65 |     public static let nan =     QDouble(Double.nan,      Double.nan,      Double.nan,      Double.nan)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:65:23: warning: static property 'nan' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  63 |     private static let _3pi4  = QDouble(2.356194490192344837e+00, 9.1848509936051484375e-17, 3.9168984647504003225e-33, -2.5867981632704860386e-49)
  64 |
  65 |     public static let nan =     QDouble(Double.nan,      Double.nan,      Double.nan,      Double.nan)
     |                       |- warning: static property 'nan' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'nan' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  66 |     public static let inf =     QDouble(Double.infinity, Double.infinity, Double.infinity, Double.infinity)
  67 |
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:66:23: warning: static property 'inf' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  64 |
  65 |     public static let nan =     QDouble(Double.nan,      Double.nan,      Double.nan,      Double.nan)
  66 |     public static let inf =     QDouble(Double.infinity, Double.infinity, Double.infinity, Double.infinity)
     |                       |- warning: static property 'inf' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'inf' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  67 |
  68 |     public static let eps =     1.21543267145725e-63       // = 2^-209
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:70:23: warning: static property 'max' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  68 |     public static let eps =     1.21543267145725e-63       // = 2^-209
  69 |     public static let digits =  62
  70 |     public static let max =     QDouble(1.79769313486231570815e+308, 9.97920154767359795037e+291, 5.53956966280111259858e+275, 3.07507889307840487279e+259)
     |                       |- warning: static property 'max' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'max' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  71 |
  72 |     private static let _min_normalized = 1.6259745436952323e-260    // = 2^(-1022 + 3*53)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:73:24: warning: static property '_safe_max' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  71 |
  72 |     private static let _min_normalized = 1.6259745436952323e-260    // = 2^(-1022 + 3*53)
  73 |     private static let _safe_max =       QDouble(1.7976931080746007281e+308,  9.97920154767359795037e+291, 5.53956966280111259858e+275, 3.07507889307840487279e+259)
     |                        |- warning: static property '_safe_max' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_safe_max' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  74 |
  75 |     //
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:1551:28: warning: static property 'inv_fact' is not concurrency-safe because non-'Sendable' type '[QDouble]' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
1549 |     // MARK: - Internal precalculated values
1550 |     /** Table of inverse factorials */
1551 |     fileprivate static let inv_fact = [
     |                            |- warning: static property 'inv_fact' is not concurrency-safe because non-'Sendable' type '[QDouble]' may have shared mutable state; this is an error in the Swift 6 language mode
     |                            |- note: annotate 'inv_fact' with '@MainActor' if property should only be accessed from the main actor
     |                            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
1552 |         QDouble( 1.66666666666666657e-01,  9.25185853854297066e-18, 5.13581318503262866e-34,  2.85094902409834186e-50),
1553 |         QDouble( 4.16666666666666644e-02,  2.31296463463574266e-18, 1.28395329625815716e-34,  7.12737256024585466e-51),
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:1570:28: warning: static property 'sin_table' is not concurrency-safe because non-'Sendable' type '[QDouble]' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
1568 |
1569 |     /** Table of sin(k * pi/1024) and cos(k * pi/1024). */
1570 |     fileprivate static let sin_table = [
     |                            |- warning: static property 'sin_table' is not concurrency-safe because non-'Sendable' type '[QDouble]' may have shared mutable state; this is an error in the Swift 6 language mode
     |                            |- note: annotate 'sin_table' with '@MainActor' if property should only be accessed from the main actor
     |                            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
1571 |         QDouble( 3.0679567629659761e-03, 1.2690279085455925e-19, 5.2879464245328389e-36, -1.7820334081955298e-52),
1572 |         QDouble( 6.1358846491544753e-03, 9.0545257482474933e-20, 1.6260113133745320e-37, -9.7492001208767410e-55),
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:1829:28: warning: static property 'cos_table' is not concurrency-safe because non-'Sendable' type '[QDouble]' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
1827 |     ]
1828 |
1829 |     fileprivate static let cos_table = [
     |                            |- warning: static property 'cos_table' is not concurrency-safe because non-'Sendable' type '[QDouble]' may have shared mutable state; this is an error in the Swift 6 language mode
     |                            |- note: annotate 'cos_table' with '@MainActor' if property should only be accessed from the main actor
     |                            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
1830 |         QDouble( 9.9999529380957619e-01, -1.9668064285322189e-17, -6.3053955095883481e-34, 5.3266110855726731e-52),
1831 |         QDouble( 9.9998117528260111e-01, 3.3568103522895585e-17, -1.4740132559368063e-35, 9.8603097594755596e-52),
[6/7] Compiling Doubles QDouble.swift
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:53:23: warning: static property 'twopi' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  51 |     /// Internal/public constants
  52 |     ///
  53 |     public static let twopi =   QDouble(6.283185307179586232e+00, 2.449293598294706414e-16, -5.989539619436679332e-33, 2.224908441726730563e-49)
     |                       |- warning: static property 'twopi' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'twopi' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  54 |     public static let pi =      QDouble(3.141592653589793116e+00, 1.224646799147353207e-16, -2.994769809718339666e-33, 1.112454220863365282e-49)
  55 |     public static let pi2 =     QDouble(1.570796326794896558e+00, 6.123233995736766036e-17, -1.497384904859169833e-33, 5.562271104316826408e-50)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:54:23: warning: static property 'pi' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  52 |     ///
  53 |     public static let twopi =   QDouble(6.283185307179586232e+00, 2.449293598294706414e-16, -5.989539619436679332e-33, 2.224908441726730563e-49)
  54 |     public static let pi =      QDouble(3.141592653589793116e+00, 1.224646799147353207e-16, -2.994769809718339666e-33, 1.112454220863365282e-49)
     |                       |- warning: static property 'pi' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'pi' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  55 |     public static let pi2 =     QDouble(1.570796326794896558e+00, 6.123233995736766036e-17, -1.497384904859169833e-33, 5.562271104316826408e-50)
  56 |     public static let pi4 =     QDouble(7.853981633974482790e-01, 3.061616997868383018e-17, -7.486924524295849165e-34, 2.781135552158413204e-50)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:55:23: warning: static property 'pi2' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  53 |     public static let twopi =   QDouble(6.283185307179586232e+00, 2.449293598294706414e-16, -5.989539619436679332e-33, 2.224908441726730563e-49)
  54 |     public static let pi =      QDouble(3.141592653589793116e+00, 1.224646799147353207e-16, -2.994769809718339666e-33, 1.112454220863365282e-49)
  55 |     public static let pi2 =     QDouble(1.570796326794896558e+00, 6.123233995736766036e-17, -1.497384904859169833e-33, 5.562271104316826408e-50)
     |                       |- warning: static property 'pi2' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'pi2' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  56 |     public static let pi4 =     QDouble(7.853981633974482790e-01, 3.061616997868383018e-17, -7.486924524295849165e-34, 2.781135552158413204e-50)
  57 |
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:56:23: warning: static property 'pi4' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  54 |     public static let pi =      QDouble(3.141592653589793116e+00, 1.224646799147353207e-16, -2.994769809718339666e-33, 1.112454220863365282e-49)
  55 |     public static let pi2 =     QDouble(1.570796326794896558e+00, 6.123233995736766036e-17, -1.497384904859169833e-33, 5.562271104316826408e-50)
  56 |     public static let pi4 =     QDouble(7.853981633974482790e-01, 3.061616997868383018e-17, -7.486924524295849165e-34, 2.781135552158413204e-50)
     |                       |- warning: static property 'pi4' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'pi4' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  57 |
  58 |     public static let e =       QDouble(2.718281828459045091e+00, 1.445646891729250158e-16, -2.127717108038176765e-33, 1.515630159841218954e-49)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:58:23: warning: static property 'e' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  56 |     public static let pi4 =     QDouble(7.853981633974482790e-01, 3.061616997868383018e-17, -7.486924524295849165e-34, 2.781135552158413204e-50)
  57 |
  58 |     public static let e =       QDouble(2.718281828459045091e+00, 1.445646891729250158e-16, -2.127717108038176765e-33, 1.515630159841218954e-49)
     |                       |- warning: static property 'e' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'e' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  59 |     public static let Log2 =    QDouble(6.931471805599452862e-01, 2.319046813846299558e-17, 5.707708438416212066e-34, -3.582432210601811423e-50)
  60 |     public static let Log10 =   QDouble(2.302585092994045901e+00, -2.170756223382249351e-16, -9.984262454465776570e-33, -4.023357454450206379e-49)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:59:23: warning: static property 'Log2' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  57 |
  58 |     public static let e =       QDouble(2.718281828459045091e+00, 1.445646891729250158e-16, -2.127717108038176765e-33, 1.515630159841218954e-49)
  59 |     public static let Log2 =    QDouble(6.931471805599452862e-01, 2.319046813846299558e-17, 5.707708438416212066e-34, -3.582432210601811423e-50)
     |                       |- warning: static property 'Log2' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'Log2' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  60 |     public static let Log10 =   QDouble(2.302585092994045901e+00, -2.170756223382249351e-16, -9.984262454465776570e-33, -4.023357454450206379e-49)
  61 |
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:60:23: warning: static property 'Log10' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  58 |     public static let e =       QDouble(2.718281828459045091e+00, 1.445646891729250158e-16, -2.127717108038176765e-33, 1.515630159841218954e-49)
  59 |     public static let Log2 =    QDouble(6.931471805599452862e-01, 2.319046813846299558e-17, 5.707708438416212066e-34, -3.582432210601811423e-50)
  60 |     public static let Log10 =   QDouble(2.302585092994045901e+00, -2.170756223382249351e-16, -9.984262454465776570e-33, -4.023357454450206379e-49)
     |                       |- warning: static property 'Log10' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'Log10' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  61 |
  62 |     private static let pi1024 = QDouble(3.067961575771282340e-03, 1.195944139792337116e-19, -2.924579892303066080e-36, 1.086381075061880158e-52)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:62:24: warning: static property 'pi1024' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  60 |     public static let Log10 =   QDouble(2.302585092994045901e+00, -2.170756223382249351e-16, -9.984262454465776570e-33, -4.023357454450206379e-49)
  61 |
  62 |     private static let pi1024 = QDouble(3.067961575771282340e-03, 1.195944139792337116e-19, -2.924579892303066080e-36, 1.086381075061880158e-52)
     |                        |- warning: static property 'pi1024' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate 'pi1024' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  63 |     private static let _3pi4  = QDouble(2.356194490192344837e+00, 9.1848509936051484375e-17, 3.9168984647504003225e-33, -2.5867981632704860386e-49)
  64 |
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:63:24: warning: static property '_3pi4' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  61 |
  62 |     private static let pi1024 = QDouble(3.067961575771282340e-03, 1.195944139792337116e-19, -2.924579892303066080e-36, 1.086381075061880158e-52)
  63 |     private static let _3pi4  = QDouble(2.356194490192344837e+00, 9.1848509936051484375e-17, 3.9168984647504003225e-33, -2.5867981632704860386e-49)
     |                        |- warning: static property '_3pi4' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_3pi4' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  64 |
  65 |     public static let nan =     QDouble(Double.nan,      Double.nan,      Double.nan,      Double.nan)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:65:23: warning: static property 'nan' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  63 |     private static let _3pi4  = QDouble(2.356194490192344837e+00, 9.1848509936051484375e-17, 3.9168984647504003225e-33, -2.5867981632704860386e-49)
  64 |
  65 |     public static let nan =     QDouble(Double.nan,      Double.nan,      Double.nan,      Double.nan)
     |                       |- warning: static property 'nan' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'nan' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  66 |     public static let inf =     QDouble(Double.infinity, Double.infinity, Double.infinity, Double.infinity)
  67 |
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:66:23: warning: static property 'inf' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  64 |
  65 |     public static let nan =     QDouble(Double.nan,      Double.nan,      Double.nan,      Double.nan)
  66 |     public static let inf =     QDouble(Double.infinity, Double.infinity, Double.infinity, Double.infinity)
     |                       |- warning: static property 'inf' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'inf' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  67 |
  68 |     public static let eps =     1.21543267145725e-63       // = 2^-209
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:70:23: warning: static property 'max' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  68 |     public static let eps =     1.21543267145725e-63       // = 2^-209
  69 |     public static let digits =  62
  70 |     public static let max =     QDouble(1.79769313486231570815e+308, 9.97920154767359795037e+291, 5.53956966280111259858e+275, 3.07507889307840487279e+259)
     |                       |- warning: static property 'max' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'max' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  71 |
  72 |     private static let _min_normalized = 1.6259745436952323e-260    // = 2^(-1022 + 3*53)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:73:24: warning: static property '_safe_max' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
  71 |
  72 |     private static let _min_normalized = 1.6259745436952323e-260    // = 2^(-1022 + 3*53)
  73 |     private static let _safe_max =       QDouble(1.7976931080746007281e+308,  9.97920154767359795037e+291, 5.53956966280111259858e+275, 3.07507889307840487279e+259)
     |                        |- warning: static property '_safe_max' is not concurrency-safe because non-'Sendable' type 'QDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_safe_max' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  74 |
  75 |     //
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:1551:28: warning: static property 'inv_fact' is not concurrency-safe because non-'Sendable' type '[QDouble]' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
1549 |     // MARK: - Internal precalculated values
1550 |     /** Table of inverse factorials */
1551 |     fileprivate static let inv_fact = [
     |                            |- warning: static property 'inv_fact' is not concurrency-safe because non-'Sendable' type '[QDouble]' may have shared mutable state; this is an error in the Swift 6 language mode
     |                            |- note: annotate 'inv_fact' with '@MainActor' if property should only be accessed from the main actor
     |                            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
1552 |         QDouble( 1.66666666666666657e-01,  9.25185853854297066e-18, 5.13581318503262866e-34,  2.85094902409834186e-50),
1553 |         QDouble( 4.16666666666666644e-02,  2.31296463463574266e-18, 1.28395329625815716e-34,  7.12737256024585466e-51),
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:1570:28: warning: static property 'sin_table' is not concurrency-safe because non-'Sendable' type '[QDouble]' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
1568 |
1569 |     /** Table of sin(k * pi/1024) and cos(k * pi/1024). */
1570 |     fileprivate static let sin_table = [
     |                            |- warning: static property 'sin_table' is not concurrency-safe because non-'Sendable' type '[QDouble]' may have shared mutable state; this is an error in the Swift 6 language mode
     |                            |- note: annotate 'sin_table' with '@MainActor' if property should only be accessed from the main actor
     |                            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
1571 |         QDouble( 3.0679567629659761e-03, 1.2690279085455925e-19, 5.2879464245328389e-36, -1.7820334081955298e-52),
1572 |         QDouble( 6.1358846491544753e-03, 9.0545257482474933e-20, 1.6260113133745320e-37, -9.7492001208767410e-55),
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:1829:28: warning: static property 'cos_table' is not concurrency-safe because non-'Sendable' type '[QDouble]' may have shared mutable state; this is an error in the Swift 6 language mode
  13 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  14 |
  15 | public struct QDouble {
     |               `- note: consider making struct 'QDouble' conform to the 'Sendable' protocol
  16 |
  17 |     ///
     :
1827 |     ]
1828 |
1829 |     fileprivate static let cos_table = [
     |                            |- warning: static property 'cos_table' is not concurrency-safe because non-'Sendable' type '[QDouble]' may have shared mutable state; this is an error in the Swift 6 language mode
     |                            |- note: annotate 'cos_table' with '@MainActor' if property should only be accessed from the main actor
     |                            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
1830 |         QDouble( 9.9999529380957619e-01, -1.9668064285322189e-17, -6.3053955095883481e-34, 5.3266110855726731e-52),
1831 |         QDouble( 9.9998117528260111e-01, 3.3568103522895585e-17, -1.4740132559368063e-35, 9.8603097594755596e-52),
[7/7] Compiling Doubles DDouble.swift
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:106:24: warning: static property '_2pi' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 104 |
 105 |     /// Internal constants
 106 |     static private let _2pi = DDouble(6.283185307179586232e+00, 2.449293598294706414e-16);
     |                        |- warning: static property '_2pi' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_2pi' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 107 |     static private let _pi = DDouble(3.141592653589793116e+00, 1.224646799147353207e-16);
 108 |     static private let _pi2 = DDouble(1.570796326794896558e+00, 6.123233995736766036e-17);
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:107:24: warning: static property '_pi' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 105 |     /// Internal constants
 106 |     static private let _2pi = DDouble(6.283185307179586232e+00, 2.449293598294706414e-16);
 107 |     static private let _pi = DDouble(3.141592653589793116e+00, 1.224646799147353207e-16);
     |                        |- warning: static property '_pi' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_pi' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 108 |     static private let _pi2 = DDouble(1.570796326794896558e+00, 6.123233995736766036e-17);
 109 |     static private let _pi4 = DDouble(7.853981633974482790e-01, 3.061616997868383018e-17);
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:108:24: warning: static property '_pi2' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 106 |     static private let _2pi = DDouble(6.283185307179586232e+00, 2.449293598294706414e-16);
 107 |     static private let _pi = DDouble(3.141592653589793116e+00, 1.224646799147353207e-16);
 108 |     static private let _pi2 = DDouble(1.570796326794896558e+00, 6.123233995736766036e-17);
     |                        |- warning: static property '_pi2' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_pi2' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 109 |     static private let _pi4 = DDouble(7.853981633974482790e-01, 3.061616997868383018e-17);
 110 |     static private let _3pi4 = DDouble(2.356194490192344837e+00, 9.1848509936051484375e-17);
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:109:24: warning: static property '_pi4' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 107 |     static private let _pi = DDouble(3.141592653589793116e+00, 1.224646799147353207e-16);
 108 |     static private let _pi2 = DDouble(1.570796326794896558e+00, 6.123233995736766036e-17);
 109 |     static private let _pi4 = DDouble(7.853981633974482790e-01, 3.061616997868383018e-17);
     |                        |- warning: static property '_pi4' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_pi4' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 110 |     static private let _3pi4 = DDouble(2.356194490192344837e+00, 9.1848509936051484375e-17);
 111 |     static private let _e = DDouble(2.718281828459045091e+00, 1.445646891729250158e-16);
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:110:24: warning: static property '_3pi4' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 108 |     static private let _pi2 = DDouble(1.570796326794896558e+00, 6.123233995736766036e-17);
 109 |     static private let _pi4 = DDouble(7.853981633974482790e-01, 3.061616997868383018e-17);
 110 |     static private let _3pi4 = DDouble(2.356194490192344837e+00, 9.1848509936051484375e-17);
     |                        |- warning: static property '_3pi4' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_3pi4' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 111 |     static private let _e = DDouble(2.718281828459045091e+00, 1.445646891729250158e-16);
 112 |     static public  let Log2 = DDouble(6.931471805599452862e-01, 2.319046813846299558e-17);
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:111:24: warning: static property '_e' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 109 |     static private let _pi4 = DDouble(7.853981633974482790e-01, 3.061616997868383018e-17);
 110 |     static private let _3pi4 = DDouble(2.356194490192344837e+00, 9.1848509936051484375e-17);
 111 |     static private let _e = DDouble(2.718281828459045091e+00, 1.445646891729250158e-16);
     |                        |- warning: static property '_e' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_e' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 112 |     static public  let Log2 = DDouble(6.931471805599452862e-01, 2.319046813846299558e-17);
 113 |     static public  let Log10 = DDouble(2.302585092994045901e+00, -2.170756223382249351e-16);
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:112:24: warning: static property 'Log2' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 110 |     static private let _3pi4 = DDouble(2.356194490192344837e+00, 9.1848509936051484375e-17);
 111 |     static private let _e = DDouble(2.718281828459045091e+00, 1.445646891729250158e-16);
 112 |     static public  let Log2 = DDouble(6.931471805599452862e-01, 2.319046813846299558e-17);
     |                        |- warning: static property 'Log2' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate 'Log2' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 113 |     static public  let Log10 = DDouble(2.302585092994045901e+00, -2.170756223382249351e-16);
 114 |     static private let _nan = DDouble(Double.nan, Double.nan)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:113:24: warning: static property 'Log10' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 111 |     static private let _e = DDouble(2.718281828459045091e+00, 1.445646891729250158e-16);
 112 |     static public  let Log2 = DDouble(6.931471805599452862e-01, 2.319046813846299558e-17);
 113 |     static public  let Log10 = DDouble(2.302585092994045901e+00, -2.170756223382249351e-16);
     |                        |- warning: static property 'Log10' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate 'Log10' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 114 |     static private let _nan = DDouble(Double.nan, Double.nan)
 115 |     static private let _snan = DDouble(Double.signalingNaN, Double.signalingNaN)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:114:24: warning: static property '_nan' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 112 |     static public  let Log2 = DDouble(6.931471805599452862e-01, 2.319046813846299558e-17);
 113 |     static public  let Log10 = DDouble(2.302585092994045901e+00, -2.170756223382249351e-16);
 114 |     static private let _nan = DDouble(Double.nan, Double.nan)
     |                        |- warning: static property '_nan' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_nan' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 115 |     static private let _snan = DDouble(Double.signalingNaN, Double.signalingNaN)
 116 |     static private let _inf = DDouble(Double.infinity, Double.infinity)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:115:24: warning: static property '_snan' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 113 |     static public  let Log10 = DDouble(2.302585092994045901e+00, -2.170756223382249351e-16);
 114 |     static private let _nan = DDouble(Double.nan, Double.nan)
 115 |     static private let _snan = DDouble(Double.signalingNaN, Double.signalingNaN)
     |                        |- warning: static property '_snan' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_snan' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 116 |     static private let _inf = DDouble(Double.infinity, Double.infinity)
 117 |
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:116:24: warning: static property '_inf' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 114 |     static private let _nan = DDouble(Double.nan, Double.nan)
 115 |     static private let _snan = DDouble(Double.signalingNaN, Double.signalingNaN)
 116 |     static private let _inf = DDouble(Double.infinity, Double.infinity)
     |                        |- warning: static property '_inf' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_inf' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 117 |
 118 |     static private let _eps = 4.93038065763132e-32;  // 2^-104
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:120:24: warning: static property '_max' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 118 |     static private let _eps = 4.93038065763132e-32;  // 2^-104
 119 |     static private let _min_normalized = 2.0041683600089728e-292;  // = 2^(-1022 + 53)
 120 |     static private let _max = DDouble(1.79769313486231570815e+308, 9.97920154767359795037e+291);
     |                        |- warning: static property '_max' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_max' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 121 |     static private let _safe_max = DDouble(1.7976931080746007281e+308, 9.97920154767359795037e+291);
 122 |     static private let _ndigits = 31
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:121:24: warning: static property '_safe_max' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 119 |     static private let _min_normalized = 2.0041683600089728e-292;  // = 2^(-1022 + 53)
 120 |     static private let _max = DDouble(1.79769313486231570815e+308, 9.97920154767359795037e+291);
 121 |     static private let _safe_max = DDouble(1.7976931080746007281e+308, 9.97920154767359795037e+291);
     |                        |- warning: static property '_safe_max' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_safe_max' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 122 |     static private let _ndigits = 31
 123 |
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:125:23: warning: static property 'e' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 123 |
 124 |     static public let eps = _eps
 125 |     static public let e = _e
     |                       |- warning: static property 'e' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'e' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 126 |     static public let max = _max
 127 |
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:126:23: warning: static property 'max' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
 124 |     static public let eps = _eps
 125 |     static public let e = _e
 126 |     static public let max = _max
     |                       |- warning: static property 'max' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                       |- note: annotate 'max' with '@MainActor' if property should only be accessed from the main actor
     |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 127 |
 128 |     /// Base 10 digits
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:443:16: warning: static property 'dec' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
 441 |     public init(rawValue: Int) { self.rawValue = rawValue }
 442 |
 443 |     static let dec = Format(rawValue: 1 << 0)
     |                |- warning: static property 'dec' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'dec' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 444 |     static let oct = Format(rawValue: 1 << 1)
 445 |     static let hex = Format(rawValue: 1 << 2)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:444:16: warning: static property 'oct' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
     :
 442 |
 443 |     static let dec = Format(rawValue: 1 << 0)
 444 |     static let oct = Format(rawValue: 1 << 1)
     |                |- warning: static property 'oct' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'oct' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 445 |     static let hex = Format(rawValue: 1 << 2)
 446 |
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:445:16: warning: static property 'hex' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
     :
 443 |     static let dec = Format(rawValue: 1 << 0)
 444 |     static let oct = Format(rawValue: 1 << 1)
 445 |     static let hex = Format(rawValue: 1 << 2)
     |                |- warning: static property 'hex' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'hex' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 446 |
 447 |     static let left = Format(rawValue: 1 << 3)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:447:16: warning: static property 'left' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
     :
 445 |     static let hex = Format(rawValue: 1 << 2)
 446 |
 447 |     static let left = Format(rawValue: 1 << 3)
     |                |- warning: static property 'left' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'left' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 448 |     static let right = Format(rawValue: 1 << 4)
 449 |     static let intern = Format(rawValue: 1 << 5)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:448:16: warning: static property 'right' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
     :
 446 |
 447 |     static let left = Format(rawValue: 1 << 3)
 448 |     static let right = Format(rawValue: 1 << 4)
     |                |- warning: static property 'right' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'right' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 449 |     static let intern = Format(rawValue: 1 << 5)
 450 |
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:449:16: warning: static property 'intern' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
     :
 447 |     static let left = Format(rawValue: 1 << 3)
 448 |     static let right = Format(rawValue: 1 << 4)
 449 |     static let intern = Format(rawValue: 1 << 5)
     |                |- warning: static property 'intern' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'intern' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 450 |
 451 |     static let scientific = Format(rawValue: 1 << 6)
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:451:16: warning: static property 'scientific' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
     :
 449 |     static let intern = Format(rawValue: 1 << 5)
 450 |
 451 |     static let scientific = Format(rawValue: 1 << 6)
     |                |- warning: static property 'scientific' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'scientific' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 452 |     static let fixed = Format(rawValue: 1 << 7)
 453 |
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:452:16: warning: static property 'fixed' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
     :
 450 |
 451 |     static let scientific = Format(rawValue: 1 << 6)
 452 |     static let fixed = Format(rawValue: 1 << 7)
     |                |- warning: static property 'fixed' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'fixed' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 453 |
 454 |     static let baseField: Format = [.dec, .oct, .hex]
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:454:16: warning: static property 'baseField' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
     :
 452 |     static let fixed = Format(rawValue: 1 << 7)
 453 |
 454 |     static let baseField: Format = [.dec, .oct, .hex]
     |                |- warning: static property 'baseField' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'baseField' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 455 |     static let adjustField: Format = [.left, .right, .intern]
 456 |     static let floatField: Format = [.scientific, .fixed]
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:455:16: warning: static property 'adjustField' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
     :
 453 |
 454 |     static let baseField: Format = [.dec, .oct, .hex]
 455 |     static let adjustField: Format = [.left, .right, .intern]
     |                |- warning: static property 'adjustField' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'adjustField' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 456 |     static let floatField: Format = [.scientific, .fixed]
 457 | }
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:456:16: warning: static property 'floatField' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
 436 | }
 437 |
 438 | public struct Format: OptionSet {
     |               `- note: consider making struct 'Format' conform to the 'Sendable' protocol
 439 |     public let rawValue: Int
 440 |
     :
 454 |     static let baseField: Format = [.dec, .oct, .hex]
 455 |     static let adjustField: Format = [.left, .right, .intern]
 456 |     static let floatField: Format = [.scientific, .fixed]
     |                |- warning: static property 'floatField' is not concurrency-safe because non-'Sendable' type 'Format' may have shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: annotate 'floatField' with '@MainActor' if property should only be accessed from the main actor
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 457 | }
 458 |
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:1223:24: warning: static property '_pi16' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
  11 | /// of Mathematical, Information, and Computational Sciences of the
  12 | /// U.S. Department of Energy under contract number DE-AC03-76SF00098.
  13 | public struct DDouble {
     |               `- note: consider making struct 'DDouble' conform to the 'Sendable' protocol
  14 |
  15 |     /// Storage for double-precision data type
     :
1221 |     public static func abs(_ a: DDouble) -> DDouble { a.abs }
1222 |
1223 |     static private let _pi16 = DDouble(1.963495408493620697e-01, 7.654042494670957545e-18)
     |                        |- warning: static property '_pi16' is not concurrency-safe because non-'Sendable' type 'DDouble' may have shared mutable state; this is an error in the Swift 6 language mode
     |                        |- note: annotate '_pi16' with '@MainActor' if property should only be accessed from the main actor
     |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
1224 |
1225 |     /* Table of sin(k * pi/16) and cos(k * pi/16). */
Build complete! (20.47s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Doubles",
  "name" : "Doubles",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Doubles",
      "targets" : [
        "Doubles"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DoublesTests",
      "module_type" : "SwiftTarget",
      "name" : "DoublesTests",
      "path" : "Tests/DoublesTests",
      "sources" : [
        "DoublesTests.swift"
      ],
      "target_dependencies" : [
        "Doubles"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Doubles",
      "module_type" : "SwiftTarget",
      "name" : "Doubles",
      "path" : "Sources/Doubles",
      "product_memberships" : [
        "Doubles"
      ],
      "sources" : [
        "Common.swift",
        "DDouble.swift",
        "QDouble.swift",
        "String+Char.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.