[Bug manual/4449] New: remquo function is not documented

["vincent+libc at vinc17 dot org" <sourceware-bugzilla at sourceware dot org>]

The remquo function is not documented in manual/arith.texi; it should be added
to Section 20.8.4 "Remainder Functions".

Also note that the ISO C99 standard says:

       7.12.10.3  The remquo functions
[...]
       [#2] The remquo functions compute the same remainder as the
       remainder functions. In the object pointed to by quo they store
       a value whose sign is the sign of x/y and whose magnitude is
       congruent modulo 2^n to the magnitude of the integral quotient
       of x/y, where n is an implementation-defined integer greater
                             ^^^^^^^^^^^^^^^^^^^^^^
       than or equal to 3.

and

       [#1] implementation-defined behavior
       unspecified behavior where each implementation documents how
       the choice is made

So, how n is chosen should also be documented.

-- 
           Summary: remquo function is not documented
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: manual
        AssignedTo: roland at gnu dot org
        ReportedBy: vincent+libc at vinc17 dot org
                CC: glibc-bugs at sources dot redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=4449

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