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[Bug math/2540] Incorrect return from float acosh (0X1.01FB0B7471C13P+0)


http://sourceware.org/bugzilla/show_bug.cgi?id=2540

Joseph Myers <jsm28 at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|SUSPENDED                   |NEW
         AssignedTo|aj at suse dot de           |unassigned at sourceware
                   |                            |dot org

--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> 2012-02-19 18:05:29 UTC ---
When that argument is rounded to float it's 0X1.01FB0CP+0 and the correctly
rounded result is 0X1.FD3082P-4.  So this is a 1ulp error, not 34ulp.  (Since
there are no testcases in the testsuite expecting any error from acoshf, we
should still add that actual float value to the testsuite.)

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