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  • Committer: Bazaar Package Importer
  • Author(s): Benjamin Drung
  • Date: 2010-11-17 16:35:58 UTC
  • mfrom: (1.1.45 upstream) (2.2.8 sid)
  • Revision ID: james.westby@ubuntu.com-20101117163558-9h3ho5jumqm3rdmd
Tags: 3.27-1ubuntu1
* Merge from Debian unstable; remaining changes:
  - ptrace.2, prctl.2: document Ubuntu-specific PTRACE_ATTACH,
    PR_SET_PTRACER behavior.

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man3/signbit.3
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.\"     <mtk.manpages@gmail.com>
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.\" Distributed under GPL
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.\" Based on glibc infopages, copyright Free Software Foundation
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.TH SIGNBIT 3 2008-08-05 "GNU" "Linux Programmer's Manual"
 
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.TH SIGNBIT 3 2010-09-20 "GNU" "Linux Programmer's Manual"
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.SH NAME
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signbit \- test sign of a real floating-point number
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.SH SYNOPSIS
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.sp
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.ad l
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.BR signbit ():
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_XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE; or
 
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.RS 4
 
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_XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE ||
 
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_POSIX_C_SOURCE\ >=\ 200112L;
 
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.br
 
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or
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.I cc\ -std=c99
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.ad b
 
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.RE
 
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.ad
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.SH DESCRIPTION
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.BR signbit ()
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is a generic macro which can work on all real floating-point types.
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.SH "SEE ALSO"
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.BR copysign (3)
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.SH COLOPHON
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This page is part of release 3.26 of the Linux
 
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This page is part of release 3.27 of the Linux
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.I man-pages
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project.
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A description of the project,