[Bug math/2575] New: Incorrect return from float log2 (0X1.15AD6B5AD4B5AP+0)

["hjl at lucon dot org" <sourceware-bugzilla at sourceware dot org>]

Failure: Test: log2 (0X1.15AD6B5AD4B5AP+0) == 0X1.E0525E2FD5D97P-4
Result:
 is:          1.17266103625297546387e-01   0x1.e0526c00000000000000p-4
 should be:   1.17266051471233367920e-01   0x1.e0525e00000000000000p-4
 difference:  5.21540641784667968750e-08   0x1.c0000000000000000000p-25
 ulp       :  7.0000
 max.ulp   :  0.0000

-- 
           Summary: Incorrect return from float log2 (0X1.15AD6B5AD4B5AP+0)
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: math
        AssignedTo: aj at suse dot de
        ReportedBy: hjl at lucon dot org
                CC: glibc-bugs at sources dot redhat dot com
 GCC build triplet: x86_64-unknown-linux-gnu
  GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu


http://sourceware.org/bugzilla/show_bug.cgi?id=2575

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