mirror of https://github.com/mkerrisk/man-pages
632 lines
19 KiB
Plaintext
632 lines
19 KiB
Plaintext
==================== Changes in man-pages-3.06 ====================
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Released: 2008-??-??, Konolfingen
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Contributors
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------------
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The following people contributed notes, ideas, or patches that have
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been incorporated in changes in this release:
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Andreas Jaeger <aj@novell.com>
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Andries Brouwer <Andries.Brouwer@cwi.nl>
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Gernot Tenchio <g.tenchio@telco-tech.de>
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Sam Varshavchik <mrsam@courier-mta.com>
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Apologies if I missed anyone!
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New and rewritten pages
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-----------------------
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erfc.3
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mtk
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Created after removing the erfc() material from erf.3.
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Documents the complementary error function.
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y0.3
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mtk
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Created after removing the y*() material from j0.3.
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Documents the Bessel functions of the second kind.
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Included ERRORS section; noted that an exception is not
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raised on underflow, see also
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http://sources.redhat.com/bugzilla/show_bug.cgi?id=6806;
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and errno is not set on overflow, see also
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http://sources.redhat.com/bugzilla/show_bug.cgi?id=6808;
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Included BUGS section noting that errno is incorrectly
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set for pole error; see also
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http://sources.redhat.com/bugzilla/show_bug.cgi?id=6807.
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scalbln.3
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mtk
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Created after removing the scalbln*() and scalbn*() material
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from scalb.3. Documents scalbln() and scalbn() functions.
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Included ERRORS section; noted that errno is not set; see
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also http://sources.redhat.com/bugzilla/show_bug.cgi?id=6803.
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New and changed links
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---------------------
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erfcf.3
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erfcl.3
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mtk
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Changed these links to point to new erfc.3 page.
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scalblnf.3
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scalblnl.3
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scalbn.3
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scalbnf.3
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scalbnl.3
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mtk
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Changed these links to point to new scalbln.3 page.
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y0f.3
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y0l.3
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y1.3
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y1f.3
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y1l.3
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yn.3
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ynf.3
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ynl.3
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mtk
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Changed these links to point to new y0.3 page.
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Global changes
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--------------
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Various pages
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mtk
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s/floating point/floating-point/ when used attributively.
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Typographical or grammatical errors have been corrected in several
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other places.
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Changes to individual pages
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---------------------------
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crypt.3
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mtk
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Tweak discuss text describing support for Blowfish.
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ctime.3
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mtk / Gernot Tenchio
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Added some words to make clear that the string returned by
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ctime() and asctime() is null-terminated.
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math_error.7
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Sam Varshavchik
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Reverse order of SYNOPSIS and NAME sections.
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mtk
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NOTES: Summarize the state of glibc support for exceptions
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and errno for error reporting.
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Changes to individual pages (math functions)
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--------------------------------------------
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Almost all of the changes in this release relate to math man pages.
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Very many changes were made to the math pages, including:
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* Fixed feature test macros (FTMs). Often, the FTM requirements
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for the "float" and "long double" versions of a math function are
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different from the requirements for the "double version". Each math
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page now shows the correct FTM requirements for all three versions
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of the function(s) it describes. This may have required either
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a change to the existing FTM text (if the requirements for the
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"double" function were already described), or the addition of an FTM
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description to a SYNOPSIS where one was not previously present
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(typically because the "double" version of the function does not
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require any FTMs to be defined).
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* CONFORMING TO: in many cases, POSIX.1-2001 was not mentioned.
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Where a function is specified in POSIX.1-2001, this is now noted.
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Also, statements about what other standards a function conforms to
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were generally clarified. (The wording about which functions conformed
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to C99 was previously often done as an add on sentence; now it is made
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part of the first sentence of the CONFORMING TO section, along with
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POSIX.1-2001.)
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* RETURN VALUE: in many cases, pages lacked descriptions of the return
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value when the function arguments are special values such as +0, -0,
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nan, +infinity, -infinity, etc. This has been fixed.
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I carried out tests on glibc 2.8 to ensure that all of these
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functions match the RETURN VALUE descriptions (and the POSIX.1-2001
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requirements).
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* ERRORS: many pages lacked a clear (or indeed any) description of
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how errno is set on error and what exception is raised for each error.
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This has been fixed. The ERRORS sections are now generally headed up
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as per the POSIX.1 way of doing things, describing Pole / Range /
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Domain errors, as applicable.
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I carried out tests on glibc 2.8 to ensure that all of these
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functions match the ERRORS descriptions. Deviations from POSIX.1-2001
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requirements have been filed as glibc bug reports.
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(The pages now describe the situation for ERRORS as at glibc 2.8.)
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NOTE: one point that has not been covered in any page is the
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circumstances that generate inexact (FE_INEXACT) exceptions.
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(The details for these exceptions are not specified in POSIX.1-2001,
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and I haven't gone looking for the standards that describe the details.)
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acos.3
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mtk
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SYNOPSIS: Added feature test macro requirements.
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RETURN VALUE: Added details for special argument cases.
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Rewrote ERRORS section.
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Updated CONFORMING TO.
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acosh.3
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mtk
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SYNOPSIS: Fixed feature test macro requirements.
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Added RETURN VALUE section.
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Rewrote ERRORS section.
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Updated CONFORMING TO.
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asin.3
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mtk
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SYNOPSIS: Added feature test macro requirements.
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RETURN VALUE: Added details for special argument cases.
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Rewrote ERRORS section.
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Updated CONFORMING TO.
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asinh.3
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mtk
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SYNOPSIS: Added feature test macro requirements.
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DESCRIPTION: Some rewording.
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RETURN VALUE: Added details for special argument cases.
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Added (null) ERRORS section.
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Updated CONFORMING TO.
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atan.3
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mtk
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SYNOPSIS: Added feature test macro requirements.
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DESCRIPTION: Some rewording.
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RETURN VALUE: Added details for special argument cases.
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Added (null) ERRORS section.
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Updated CONFORMING TO.
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atan2.3
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mtk
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SYNOPSIS: Added feature test macro requirements.
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DESCRIPTION: Some rewording.
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RETURN VALUE: Added details for special argument cases.
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Added (null) ERRORS section.
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Updated CONFORMING TO.
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atanh.3
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mtk
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SYNOPSIS: Fixed feature test macro requirements.
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Added RETURN VALUE section.
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Rewrote ERRORS section.
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Updated CONFORMING TO.
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Added BUGS section noting that pole error sets errno to EDOM,
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when it should be ERANGE instead; see also
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http://sources.redhat.com/bugzilla/show_bug.cgi?id=6759.
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cbrt.3
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mtk
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SYNOPSIS: Fixed feature test macro requirements.
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Added RETURN VALUE section.
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Added (null) ERRORS section.
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Updated CONFORMING TO.
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ceil.3
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mtk
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SYNOPSIS: Added feature test macro requirements.
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DESCRIPTION: Enhanced.
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RETURN VALUE: Added details for special argument cases.
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Rewrote ERRORS section.
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Updated CONFORMING TO.
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NOTES: Added some details.
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copysign.3
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mtk
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Added RETURN VALUE section.
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Updated CONFORMING TO.
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cos.3
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mtk
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SYNOPSIS: Added feature test macro requirements.
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Rewrote RETURN VALUE section.
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Added ERRORS section; noted errno is not set:
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http://sources.redhat.com/bugzilla/show_bug.cgi?id=6780.
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Updated CONFORMING TO.
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cosh.3
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mtk
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SYNOPSIS: Added feature test macro requirements.
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Added RETURN VALUE section.
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Added ERRORS section.
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Updated CONFORMING TO.
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erf.3
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mtk
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Removed the erfc() material (there is now a new erfc page).
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Reason: the functions are logically separate; also their
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return values differ, and it would have been confusing
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to document them on the same page.
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SYNOPSIS: Fixed feature test macro requirements.
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Added RETURN VALUE section.
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Added ERRORS section; noted that errno is not set; see
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http://sources.redhat.com/bugzilla/show_bug.cgi?id=6785.
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Updated CONFORMING TO.
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exp.3
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mtk
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SYNOPSIS: Added feature test macro requirements.
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Added RETURN VALUE section.
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Added ERRORS section; noted that errno is not set; see
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http://sources.redhat.com/bugzilla/show_bug.cgi?id=6786.
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Updated CONFORMING TO.
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exp10.3
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mtk
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SYNOPSIS: Added feature test macro requirements.
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Added RETURN VALUE section.
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Added ERRORS section; noted that errno is not set for underflow;
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see http://sources.redhat.com/bugzilla/show_bug.cgi?id=6787.
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exp2.3
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mtk
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Added RETURN VALUE and ERRORS sections.
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Updated CONFORMING TO.
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expm1.3
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mtk
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SYNOPSIS: Fixed feature test macro requirements.
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Added RETURN VALUE section.
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Added ERRORS section; noted that errno is not set for overflow;
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see http://sources.redhat.com/bugzilla/show_bug.cgi?id=6788.
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Updated CONFORMING TO.
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Added BUGS section, describing bogus underflow exception for -large;
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see http://sources.redhat.com/bugzilla/show_bug.cgi?id=6778.
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fabs.3
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mtk
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SYNOPSIS: Added feature test macro requirements.
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Added RETURN VALUE section.
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Updated CONFORMING TO.
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fdim.3
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mtk
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SYNOPSIS: Added feature test macro requirements.
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DESCRIPTION: Some rewording.
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Added RETURN VALUE section.
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Added ERRORS section; noted that errno is not set; see
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also http://sources.redhat.com/bugzilla/show_bug.cgi?id=6796.
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Updated CONFORMING TO.
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fenv.3
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mtk
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Updated CONFORMING TO.
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finite.3
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mtk
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SYNOPSIS: Fixed feature test macro requirements.
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floor.3
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mtk
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SYNOPSIS: Added feature test macro requirements.
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DESCRIPTION: Enhanced.
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RETURN VALUE: Added details for special argument cases.
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Rewrote ERRORS section.
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Updated CONFORMING TO.
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fma.3
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mtk
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SYNOPSIS: Added feature test macro requirements.
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DESCRIPTION: Some rewording.
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Added RETURN VALUE section.
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Added ERRORS section; noted that errno is not set; see
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also http://sources.redhat.com/bugzilla/show_bug.cgi?id=6801.
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Updated CONFORMING TO.
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fmax.3
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fmin.3
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mtk
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NAME: Make description clearer
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SYNOPSIS: Added feature test macro requirements.
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SYNOPSIS: Remove unneeded "Compile with" piece.
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CONFORMING TO: Added POSIX.1-2001.
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Added RETURN VALUE and ERRORS sections.
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fmod.3
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mtk
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SYNOPSIS: Added feature test macro requirements.
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RETURN VALUE: Added details for special argument cases.
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Rewrote ERRORS section; noted that errno is not always set; see
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also http://sources.redhat.com/bugzilla/show_bug.cgi?id=6783.
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Updated CONFORMING TO.
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fpclassify.3
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mtk
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Minor wording changes.
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CONFORMING TO: Added POSIX.1-2001.
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SEE ALSO: Add signbit(3).
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frexp.3
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mtk
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SYNOPSIS: Added feature test macro requirements.
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Added details to RETURN VALUE section.
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Added (null) ERRORS section.
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CONFORMING TO: Added POSIX.1-2001.
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gamma.3
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mtk
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SYNOPSIS: Fixed feature test macro requirements.
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Added (null) RETURN VALUE section referring to tgamma(3).
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Added (null) ERRORS section referring to tgamma(3).
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CONFORMING TO: Rewrote.
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hypot.3
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mtk
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SYNOPSIS: Fixed feature test macro requirements.
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DESCRIPTION: note that calculation is done without causing
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undue overflow or underflow.
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Added RETURN VALUE section.
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Added ERRORS section; noted that errno is not always set; see
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also http://sources.redhat.com/bugzilla/show_bug.cgi?id=6795.
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Updated CONFORMING TO.
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ilogb.3
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mtk
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SYNOPSIS: Added feature test macro requirements.
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Rewrote RETURN VALUE section.
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Rewrote ERRORS section; noted that errno is not set, and in some
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cases an exception is not raised; see also
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http://sources.redhat.com/bugzilla/show_bug.cgi?id=6794.
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CONFORMING TO: Added POSIX.1-2001.
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isgreater.3
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mtk
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NAME: Make description clearer
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Improve the description of isunordered().
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Added RETURN VALUE and ERRORS sections.
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Formatting fixes.
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A few wording improvements.
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j0.3
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mtk
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Removed material for the y*() functions to a separate y0.3 page.
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Reason: the return values and errors/exceptions differ, and it
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would have been confusing to document them on the same page.
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Added RETURN VALUE section.
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Added ERRORS section; noted that errno is not set; see
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also http://sources.redhat.com/bugzilla/show_bug.cgi?id=6805.
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ldexp.3
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mtk
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SYNOPSIS: Added feature test macro requirements.
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Added RETURN VALUE and ERRORS sections.
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Updated CONFORMING TO.
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lgamma.3
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mtk
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Note that these functions are deprecated.
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SYNOPSIS: Fixed feature test macro requirements.
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Added RETURN VALUE and ERRORS sections referring to lgamma(3).
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Added BUGS section noting that pole error sets errno to EDOM,
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when it should be ERANGE instead; see also
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http://sources.redhat.com/bugzilla/show_bug.cgi?id=6777.
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log.3
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mtk
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SYNOPSIS: Added feature test macro requirements.
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Added RETURN VALUE section.
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Rewrote ERRORS section.
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Updated CONFORMING TO.
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log10.3
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mtk
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SYNOPSIS: Added feature test macro requirements.
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Added RETURN VALUE section.
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Rewrote ERRORS section.
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Updated CONFORMING TO.
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log1p.3
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mtk
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SYNOPSIS: Fixed feature test macro requirements.
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Added RETURN VALUE section.
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Added ERRORS section; noted that errno is not set; see
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also http://sources.redhat.com/bugzilla/show_bug.cgi?id=6792.
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Updated CONFORMING TO.
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log2.3
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mtk
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Added RETURN VALUE section.
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Rewrote ERRORS section.
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Updated CONFORMING TO.
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logb.3
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mtk
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SYNOPSIS: Fixed feature test macro requirements.
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DESCRIPTION: added a little detail; some rewordings.
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RETURN VALUE: Added details for special argument cases.
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Rewrote ERRORS section; noted that errno is not set; see
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also http://sources.redhat.com/bugzilla/show_bug.cgi?id=6793.
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CONFORMING TO: Added POSIX.1-2001.
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lrint.3
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mtk
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DESCRIPTION: some rewording.
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RETURN VALUE: Added details for special argument cases.
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Added ERRORS section; noted that errno is not set; see
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also http://sources.redhat.com/bugzilla/show_bug.cgi?id=6798.
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CONFORMING TO: Added POSIX.1-2001.
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lround.3
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mtk
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RETURN VALUE: Added details for special argument cases.
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Rewrote ERRORS section; noted that errno is not set; see
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also http://sources.redhat.com/bugzilla/show_bug.cgi?id=6797.
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CONFORMING TO: Added POSIX.1-2001.
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modf.3
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mtk
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SYNOPSIS: Added feature test macro requirements.
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RETURN VALUE: Added details for special argument cases.
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Added (null) ERRORS section.
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CONFORMING TO: Added POSIX.1-2001.
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nan.3
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mtk
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Small wording changes.
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CONFORMING TO: Added POSIX.1-2001.
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nextafter.3
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mtk
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SYNOPSIS: Fixed feature test macro requirements.
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RETURN VALUE: Added details for special argument cases.
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Added ERRORS section; noted that errno is not set; see
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also http://sources.redhat.com/bugzilla/show_bug.cgi?id=6799.
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CONFORMING TO: Added POSIX.1-2001.
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pow.3
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mtk
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SYNOPSIS: Added feature test macro requirements.
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Added RETURN VALUE section.
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Rewrote ERRORS section.
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Updated CONFORMING TO.
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Added BUGS section noting that pole error sets errno to EDOM,
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when it should be ERANGE instead; see also
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http://sources.redhat.com/bugzilla/show_bug.cgi?id=6776.
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remainder.3
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mtk
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SYNOPSIS: Fixed feature test macro requirements.
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DESCRIPTION: added some details.
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RETURN VALUE: Added details for special argument cases.
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Rewrote ERRORS section; noted that errno is not always set; see
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also http://sources.redhat.com/bugzilla/show_bug.cgi?id=6783.
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Updated CONFORMING TO.
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Added BUGS section noting that remainder(nan(""), 0)
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wrongly causes a domain error; see
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http://sources.redhat.com/bugzilla/show_bug.cgi?id=6779
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remquo.3
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mtk
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Added RETURN VALUE section.
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Added ERRORS section; noted that errno is not set; see
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also http://sources.redhat.com/bugzilla/show_bug.cgi?id=6801.
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Updated CONFORMING TO.
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fmax.3
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fmin.3
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mtk
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NAME: Make description clearer
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SYNOPSIS: Added feature test macro requirements.
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SYNOPSIS: Remove unneeded "Compile with" piece.
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CONFORMING TO: Added POSIX.1-2001.
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Added RETURN VALUE and ERRORS sections.
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fmod.3
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mtk
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SYNOPSIS: Added feature test macro requirements.
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RETURN VALUE: Added details for special argument cases.
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Rewrote ERRORS section; noted that errno is not always set; see
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also http://sources.redhat.com/bugzilla/show_bug.cgi?id=6783.
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Updated CONFORMING TO.
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fpclassify.3
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CONFORMING TO: Added POSIX.1-2001.
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rint.3
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mtk
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SYNOPSIS: Fixed feature test macro requirements.
|
|
DESCRIPTION: added some details.
|
|
RETURN VALUE: Added details for special argument cases.
|
|
ERRORS: no errors can occur (previous text was misleading).
|
|
CONFORMING TO: Added POSIX.1-2001.
|
|
NOTES: point out that lrint() may be preferred in some cases.
|
|
|
|
round.3
|
|
mtk
|
|
DESCRIPTION: added some details.
|
|
RETURN VALUE: Added details for special argument cases.
|
|
ERRORS: no errors can occur (previous text was misleading).
|
|
CONFORMING TO: Added POSIX.1-2001.
|
|
NOTES: point out that lround() may be preferred in some cases.
|
|
|
|
scalb.3
|
|
mtk
|
|
Removed the scalbn() and scalbln() material to a separate
|
|
scalbln.3 page. Reason: scalb() is obsolete; also the
|
|
exception/error conditions differ somewhat, so that it
|
|
would have been confusing to document them on the same page.
|
|
SYNOPSIS: Fixed feature test macro requirements.
|
|
DESCRIPTION: some rewrites and added details.
|
|
Added RETURN VALUE section.
|
|
Added ERRORS section; noted that errno is not set; see
|
|
also http://sources.redhat.com/bugzilla/show_bug.cgi?id=6803
|
|
and http://sources.redhat.com/bugzilla/show_bug.cgi?id=6804.
|
|
CONFORMING TO: Rewrote.
|
|
|
|
signbit.3
|
|
mtk
|
|
SYNOPSIS: Added feature test macro requirements.
|
|
SYNOPSIS: Remove unneeded "Compile with" piece.
|
|
Added RETURN VALUE section.
|
|
Added (null) ERRORS section.
|
|
CONFORMING TO: Added POSIX.1-2001.
|
|
|
|
sin.3
|
|
mtk
|
|
SYNOPSIS: Added feature test macro requirements.
|
|
Added RETURN VALUE section.
|
|
Added ERRORS section; noted errno is not set:
|
|
http://sources.redhat.com/bugzilla/show_bug.cgi?id=6781.
|
|
Updated CONFORMING TO.
|
|
|
|
sincos.3
|
|
mtk
|
|
DESCRIPTION: Added details for special argument cases.
|
|
Added (null) RETURN VALUE section.
|
|
Added ERRORS section.
|
|
|
|
sinh.3
|
|
mtk
|
|
SYNOPSIS: Added feature test macro requirements.
|
|
Added RETURN VALUE section.
|
|
Added ERRORS section.
|
|
Updated CONFORMING TO.
|
|
|
|
sqrt.3
|
|
mtk
|
|
SYNOPSIS: Added feature test macro requirements.
|
|
Added RETURN VALUE section.
|
|
Rewrote ERRORS section.
|
|
Updated CONFORMING TO.
|
|
|
|
tan.3
|
|
mtk
|
|
SYNOPSIS: Added feature test macro requirements.
|
|
Added RETURN VALUE section.
|
|
Added ERRORS section.
|
|
Added ERRORS section; noted errno is not set:
|
|
http://sources.redhat.com/bugzilla/show_bug.cgi?id=6782.
|
|
Updated CONFORMING TO.
|
|
|
|
tanh.3
|
|
mtk
|
|
SYNOPSIS: Added feature test macro requirements.
|
|
Added RETURN VALUE section.
|
|
Added (null) ERRORS section.
|
|
Updated CONFORMING TO.
|
|
|
|
tgamma.3
|
|
mtk
|
|
Added RETURN VALUE section.
|
|
Rewrote ERRORS section; noted that errno is not set /
|
|
incorrectly set in some cases; see also
|
|
http://sources.redhat.com/bugzilla/show_bug.cgi?id=6809
|
|
and http://sources.redhat.com/bugzilla/show_bug.cgi?id=6810.
|
|
CONFORMING TO: Added POSIX.1-2001.
|
|
Added NOTES section to hold text explaining origin of tgamma().
|
|
|
|
trunc.3
|
|
mtk
|
|
RETURN VALUE: small rewording.
|
|
CONFORMING TO: Added POSIX.1-2001.
|
|
Added NOTES section explaining that result may be too large
|
|
to store in an integer type.
|