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[Bug 21619] New: wrong results when handeling -0 negativeZero

From: <bugzilla@jessica.w3.org>
Date: Mon, 08 Apr 2013 13:09:05 +0000
To: public-qt-comments@w3.org
Message-ID: <bug-21619-523@http.www.w3.org/Bugs/Public/>

            Bug ID: 21619
           Summary: wrong results when handeling -0 negativeZero
    Classification: Unclassified
           Product: XPath / XQuery / XSLT
           Version: Working drafts
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: XQuery 3 & XPath 3 Test Suite
          Assignee: oneil@saxonica.com
          Reporter: cezar.andrei@gmail.com
        QA Contact: public-qt-comments@w3.org

Test case prod-FLWORExpr/ForExprType010 and prod-OrderByClause/orderBy26 should
check for a return value of -0 not 0. The two cases load up the value -0 from
an XML document as decimal values and returns it. According to XMLSchema 1.1
http://www.w3.org/TR/xmlschema11-2/#sec-chnum and the note on
http://www.w3.org/TR/xpath-functions-30/#numeric-types -0 and 0 are distinct
values and should be treated acordingly.

Related is prod-OrderByClause/orderBy29 that returns ($x * -1e0) where $x is
-0. Since it doesn't come from "-0" sting or the result of "-" unary opperator
it should return just 0 (pozitive zero).

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Received on Monday, 8 April 2013 13:09:12 UTC

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