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[Bug math/16167] New: x86 pow raises spurious inexact exceptions for NaN input


https://sourceware.org/bugzilla/show_bug.cgi?id=16167

            Bug ID: 16167
           Summary: x86 pow raises spurious inexact exceptions for NaN
                    input
           Product: glibc
           Version: 2.18
            Status: NEW
          Severity: normal
          Priority: P2
         Component: math
          Assignee: unassigned at sourceware dot org
          Reporter: jsm28 at gcc dot gnu.org

x86_64 powl, and x86 powf, pow and powl, raise spurious inexact exceptions for
tests such as pow (qNaN, 2.5).  According to C11 F.10, "Functions with a NaN
argument return a NaN result and raise no floating-point exception, except
where stated otherwise.", and there is no statement to override that.

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