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[SR-7159] stdlib/FloatingPoint.swift.gyb Float/Double.nextUp, .nextDown/nan test fails on armv7 #49707

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eeckstein opened this issue Mar 9, 2018 · 5 comments
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[SR-7159] stdlib/FloatingPoint.swift.gyb Float/Double.nextUp, .nextDown/nan test fails on armv7 #49707

eeckstein opened this issue Mar 9, 2018 · 5 comments
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@xwu
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. standard library Area: Standard library umbrella

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@eeckstein
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Previous ID SR-7159
Radar None
Original Reporter @eeckstein
Type Bug
Status Resolved
Resolution Done
Additional Detail from JIRA
Votes 0
Component/s Standard Library
Labels Bug
Assignee @xwu
Priority Medium

md5: 6476999028a037d789cc0605b17a39c7

Issue Description:

This needs to be investigated
@belkadan
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belkadan commented Mar 9, 2018

cc @xwu

@xwu
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xwu commented Mar 9, 2018

@eeckstein Do you have the output of the failing test? ARMv7 handling of NaN is...unique.

@eeckstein
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Here it is:

[...] test/stdlib/FloatingPoint.swift.gyb:69
stdout>>> expected: 2143289344 (of type Swift.UInt32)
stdout>>> actual: 4290772992 (of type Swift.UInt32)
[ FAIL ] FloatingPoint.Float.nextUp, .nextDown/nan

[...] test/stdlib/FloatingPoint.swift.gyb:69
stdout>>> expected: 9221120237041090560 (of type Swift.UInt64)
stdout>>> actual: 18444492273895866368 (of type Swift.UInt64)
[ FAIL ] FloatingPoint.Double.nextUp, .nextDown/nan

@swift-ci
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Comment by Marco Chini (JIRA)

@eeckstein which version of swift do you use on armv7 and with which operating system? Regards

@eeckstein
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This test failed for master and doesn't depend on the OS.
Anyway, it's already resolved.

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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@xwu xwu

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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. standard library Area: Standard library umbrella
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@xwu @belkadan @eeckstein @swift-ci