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Update NSScanner to use BinaryFloatingPoint #631

merged 3 commits into from Sep 13, 2016


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xwu commented Sep 13, 2016

Migrate from internal _FloatLike protocol to BinaryFloatingPoint.

Incidentally fix a subtle bug and align to Darwin Foundation:

  • We don't want to return FLT_MIN when the string has a negative number with magnitude too great to be representable in a Float (FLT_MIN isn't like Int.min!)
  • Actually, we don't even want -Float.greatestFiniteMagnitude, since Darwin Foundation returns -Float.infinity

I've adjusted the behavior accordingly and written a test.

Annoyingly, one test is currently failing on my machine, but it fails both with and without this patch and must be unrelated (i.e., it is failing with a freshly checked-out copy of swift-corelibs-foundation on XCode 8 GM):

error: TestNSData.test_replaceBytes : XCTAssertEqual failed: ("<0008090a 00>") is not equal to ("<0008090a 00>")

@xwu xwu referenced this pull request Sep 13, 2016


Port of Foundation to Android #622


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parkera commented Sep 13, 2016

Thanks @xwu!


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parkera commented Sep 13, 2016

@swift-ci please test

@parkera parkera merged commit 0626a97 into apple:master Sep 13, 2016

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Swift Test Linux Platform Build finished.
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