[Bug math/3407] New: powf gives inaccurate results on x86_64

["myles at peakstreaminc dot com" <sourceware-bugzilla at sourceware dot org>]

The attached sample code gives inaccurate results on x86_64 compared to 32 bit 
where it works.

gcc version 3.4.5 20051201 (Red Hat 3.4.5-2)
glibc-2.3.4-2.19

powf results fractional error is larger than 1 part in 1 million.

-- 
           Summary: powf gives inaccurate results on x86_64
           Product: glibc
           Version: 2.3.4
            Status: NEW
          Severity: normal
          Priority: P2
         Component: math
        AssignedTo: aj at suse dot de
        ReportedBy: myles at peakstreaminc dot com
                CC: glibc-bugs at sources dot redhat dot com
  GCC host triplet: 2.6.9-34.ELsmp x86_64


http://sourceware.org/bugzilla/show_bug.cgi?id=3407

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