printf and %a

[Eric Blake]

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I would like to work on adding %a and %A support to printf.  It would be a
lot easier to implement if I had access to the functionality of frexp (and
frexpl, for %La) in libc.  What would be the best approach for that - put
a helper function __frexp in libc that contains the current contents of
frexp, and have libm's frexp call the helper, so that linking the actual
frexp still requires -lm, or just move frexp to libc altogether?

- --
Don't work too hard, make some time for fun as well!

Eric Blake             ebb9@byu.net
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