[BUG]: Most tests fail on Linux

[dabrahams]

Expected Behavior

all tests pass

Actual Behavior

> Test run started at 11/13/2023, 7:42:21 PM <

Test Suite 'All tests' started at 2023-11-13 19:42:21.388
Test Suite 'debug.xctest' started at 2023-11-13 19:42:21.389
Test Suite 'HalfCodingTests' started at 2023-11-13 19:42:21.389
Test Case 'HalfCodingTests.testEncodingDecoding' started at 2023-11-13 19:42:21.389
/workspaces/Half/Tests/HalfTests/Half+CodingTests.swift:86: error: HalfCodingTests.testEncodingDecoding : XCTAssertTrue failed - 
Test Case 'HalfCodingTests.testEncodingDecoding' failed (0.002 seconds)
Test Case 'HalfCodingTests.testThrowingCases' started at 2023-11-13 19:42:21.391
Test Case 'HalfCodingTests.testThrowingCases' passed (0.001 seconds)
Test Suite 'HalfCodingTests' failed at 2023-11-13 19:42:21.392
         Executed 2 tests, with 1 failure (0 unexpected) in 0.003 (0.003) seconds
Test Suite 'HalfTests' started at 2023-11-13 19:42:21.392
Test Case 'HalfTests.testAddProduct' started at 2023-11-13 19:42:21.392
Test Case 'HalfTests.testAddProduct' passed (0.001 seconds)
Test Case 'HalfTests.testBasicComparisons' started at 2023-11-13 19:42:21.393
Test Case 'HalfTests.testBasicComparisons' passed (0.0 seconds)
Test Case 'HalfTests.testBasicMathematicalFunctions' started at 2023-11-13 19:42:21.393
Test Case 'HalfTests.testBasicMathematicalFunctions' passed (0.0 seconds)
Test Case 'HalfTests.testBasicValues' started at 2023-11-13 19:42:21.393
Test Case 'HalfTests.testBasicValues' passed (0.0 seconds)
Test Case 'HalfTests.testBinade' started at 2023-11-13 19:42:21.393
/workspaces/Half/Tests/HalfTests/HalfTests.swift:424: error: HalfTests.testBinade : XCTAssertEqual failed: ("0.0") is not equal to ("16.0") - 
/workspaces/Half/Tests/HalfTests/HalfTests.swift:425: error: HalfTests.testBinade : XCTAssertEqual failed: ("0.0") is not equal to ("5.9604645e-08") - 
Test Case 'HalfTests.testBinade' failed (0.0 seconds)
Test Case 'HalfTests.testBitPattern' started at 2023-11-13 19:42:21.394
Test Case 'HalfTests.testBitPattern' passed (0.028 seconds)
Test Case 'HalfTests.testCanonical' started at 2023-11-13 19:42:21.422
Test Case 'HalfTests.testCanonical' passed (0.023 seconds)
Test Case 'HalfTests.testConvertFromIntTypes' started at 2023-11-13 19:42:21.445
Test Case 'HalfTests.testConvertFromIntTypes' passed (0.001 seconds)
Test Case 'HalfTests.testConvertFromOtherFloatTypes' started at 2023-11-13 19:42:21.445
/workspaces/Half/Tests/HalfTests/HalfTests.swift:80: error: HalfTests.testConvertFromOtherFloatTypes : XCTAssertEqual failed: ("3.140625") is not equal to ("-23600.0") - 
Test Case 'HalfTests.testConvertFromOtherFloatTypes' failed (0.001 seconds)
Test Case 'HalfTests.testDescription' started at 2023-11-13 19:42:21.446
Test Case 'HalfTests.testDescription' passed (0.001 seconds)
Test Case 'HalfTests.testExponent' started at 2023-11-13 19:42:21.446
Test Case 'HalfTests.testExponent' passed (0.0 seconds)
Test Case 'HalfTests.testHashableProtocolMethods' started at 2023-11-13 19:42:21.447
Test Case 'HalfTests.testHashableProtocolMethods' passed (0.0 seconds)
Test Case 'HalfTests.testLargestNumbers' started at 2023-11-13 19:42:21.447
Test Case 'HalfTests.testLargestNumbers' passed (0.0 seconds)
Test Case 'HalfTests.testManualFloatingPointInitialization' started at 2023-11-13 19:42:21.448
/workspaces/Half/Tests/HalfTests/HalfTests.swift:56: error: HalfTests.testManualFloatingPointInitialization : XCTAssertTrue failed - 
Test Case 'HalfTests.testManualFloatingPointInitialization' failed (0.084 seconds)
Test Case 'HalfTests.testNegativeHalfs' started at 2023-11-13 19:42:21.531
/workspaces/Half/Tests/HalfTests/HalfTests.swift:245: error: HalfTests.testNegativeHalfs : XCTAssertEqual failed: ("0.0") is not equal to ("2.0") - 
/workspaces/Half/Tests/HalfTests/HalfTests.swift:248: error: HalfTests.testNegativeHalfs : XCTAssertEqual failed: ("0.0") is not equal to ("2.0") - 
/workspaces/Half/Tests/HalfTests/HalfTests.swift:251: error: HalfTests.testNegativeHalfs : XCTAssertEqual failed: ("0.0") is not equal to ("2.0") - 
Test Case 'HalfTests.testNegativeHalfs' failed (0.0 seconds)
Test Case 'HalfTests.testNonNumberValues' started at 2023-11-13 19:42:21.532
Test Case 'HalfTests.testNonNumberValues' passed (0.0 seconds)
Test Case 'HalfTests.testOutputStreamable' started at 2023-11-13 19:42:21.532
Test Case 'HalfTests.testOutputStreamable' passed (0.001 seconds)
Test Case 'HalfTests.testPi' started at 2023-11-13 19:42:21.533
Test Case 'HalfTests.testPi' passed (0.0 seconds)
Test Case 'HalfTests.testRemainder' started at 2023-11-13 19:42:21.533
Test Case 'HalfTests.testRemainder' passed (0.0 seconds)
Test Case 'HalfTests.testRounding' started at 2023-11-13 19:42:21.534
Test Case 'HalfTests.testRounding' passed (0.0 seconds)
Test Case 'HalfTests.testSignificand' started at 2023-11-13 19:42:21.534
Test Case 'HalfTests.testSignificand' passed (0.0 seconds)
Test Case 'HalfTests.testSignificandWidth' started at 2023-11-13 19:42:21.534
Test Case 'HalfTests.testSignificandWidth' passed (0.001 seconds)
Test Case 'HalfTests.testSmallestNumbers' started at 2023-11-13 19:42:21.535
Test Case 'HalfTests.testSmallestNumbers' passed (0.001 seconds)
Test Case 'HalfTests.testSquareRoot' started at 2023-11-13 19:42:21.536
/workspaces/Half/Tests/HalfTests/HalfTests.swift:356: error: HalfTests.testSquareRoot : XCTAssertEqual failed: ("0.0") is not equal to ("2.0") - 
/workspaces/Half/Tests/HalfTests/HalfTests.swift:360: error: HalfTests.testSquareRoot : XCTAssertEqual failed: ("0.0") is not equal to ("9.0") - 
Test Case 'HalfTests.testSquareRoot' failed (0.0 seconds)
Test Case 'HalfTests.testStrideableProtocolMethods' started at 2023-11-13 19:42:21.536
Test Case 'HalfTests.testStrideableProtocolMethods' passed (0.0 seconds)
Test Case 'HalfTests.testTruncatingRemainder' started at 2023-11-13 19:42:21.536
Test Case 'HalfTests.testTruncatingRemainder' passed (0.0 seconds)
Test Case 'HalfTests.testULP' started at 2023-11-13 19:42:21.537
Test Case 'HalfTests.testULP' passed (0.0 seconds)
Test Suite 'HalfTests' failed at 2023-11-13 19:42:21.537
         Executed 27 tests, with 9 failures (0 unexpected) in 0.144 (0.144) seconds
Test Suite 'TestFunctions' started at 2023-11-13 19:42:21.537
Test Case 'TestFunctions.testAllFunctions' started at 2023-11-13 19:42:21.537
Test Case 'TestFunctions.testAllFunctions' passed (0.0 seconds)
Test Suite 'TestFunctions' passed at 2023-11-13 19:42:21.537
         Executed 1 test, with 0 failures (0 unexpected) in 0.0 (0.0) seconds
Test Suite 'TestCHalf' started at 2023-11-13 19:42:21.537
Test Case 'TestCHalf.testArithmeticFunctions' started at 2023-11-13 19:42:21.537
Test Case 'TestCHalf.testArithmeticFunctions' passed (0.0 seconds)
Test Case 'TestCHalf.testConstructorFunctions' started at 2023-11-13 19:42:21.538
Test Case 'TestCHalf.testConstructorFunctions' passed (0.0 seconds)
Test Case 'TestCHalf.testConvertToFromPrimitiveValues' started at 2023-11-13 19:42:21.538
/workspaces/Half/Tests/CHalfTests/CHalfTests.swift:43: error: TestCHalf.testConvertToFromPrimitiveValues : XCTAssertEqual failed: ("0.0") is not equal to ("-1.0") - 
Test Case 'TestCHalf.testConvertToFromPrimitiveValues' failed (0.0 seconds)
Test Case 'TestCHalf.testConvertingToFromRawValue' started at 2023-11-13 19:42:21.539
Test Case 'TestCHalf.testConvertingToFromRawValue' passed (0.001 seconds)
Test Case 'TestCHalf.testLogicFunctions' started at 2023-11-13 19:42:21.540
Test Case 'TestCHalf.testLogicFunctions' passed (0.001 seconds)
Test Case 'TestCHalf.testMiscellaneousFunctions' started at 2023-11-13 19:42:21.541
/workspaces/Half/Tests/CHalfTests/CHalfTests.swift:94: error: TestCHalf.testMiscellaneousFunctions : XCTAssertEqual failed: ("0.0") is not equal to ("9.0") - 
/workspaces/Half/Tests/CHalfTests/CHalfTests.swift:101: error: TestCHalf.testMiscellaneousFunctions : XCTAssertEqual failed: ("0.0") is not equal to ("3.0") - 
Test Case 'TestCHalf.testMiscellaneousFunctions' failed (0.0 seconds)
Test Suite 'TestCHalf' failed at 2023-11-13 19:42:21.541
         Executed 6 tests, with 3 failures (0 unexpected) in 0.003 (0.003) seconds
Test Suite 'debug.xctest' failed at 2023-11-13 19:42:21.541
         Executed 36 tests, with 13 failures (0 unexpected) in 0.151 (0.151) seconds
Test Suite 'All tests' failed at 2023-11-13 19:42:21.541
         Executed 36 tests, with 13 failures (0 unexpected) in 0.151 (0.151) seconds

Steps To Reproduce

run the tests

Project Version

1.4.0

The OS/Variant where this issue occurs.

• iOS
• macOS
• tvOS
• watchOS
• Mac Catalyst
• Other (Please specify in "Additional Context" section)

The version of Xcode that was used when this issue appeared.

15.0.1

What was the environment in which the issue appeared?

• Half.xcodeproj
• Package.swift
• Carthage
• CocoaPods
• Swift Package Manager
• Other (Please specify in "Additional Context" section)

Additional Context

Tested in a local devcontainer.

Note that this would be a non-issue for CBORCoding if you accepted the PR that switches to Float16. Of course it's still an issue for this package if anyone wants to go on using it.