(split) LDP man-pages の original/ を v3.29 に更新。

[linuxjm/LDP_man-pages.git] / original / man3 / pow.3

diff --git a/original/man3/pow.3 b/original/man3/pow.3
index dad07b7..659c7ed 100644 (file)
--- a/original/man3/pow.3
+++ b/original/man3/pow.3
@@ -30,7 +30,7 @@
 .\" Modified 1995-08-14 by Arnt Gulbrandsen <agulbra@troll.no>
 .\" Modified 2002-07-27 by Walter Harms
 .\"    (walter.harms@informatik.uni-oldenburg.de)
-.TH POW 3  2008-08-10 "" "Linux Programmer's Manual"
+.TH POW 3  2010-09-12 "" "Linux Programmer's Manual"
 .SH NAME
 pow, powf, powl \- power functions
 .SH SYNOPSIS
@@ -54,9 +54,14 @@ Feature Test Macro Requirements for glibc (see
 .ad l
 .BR powf (),
 .BR powl ():
-_BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE; or
+.RS 4
+_BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE ||
+_POSIX_C_SOURCE\ >=\ 200112L;
+.br
+or
 .I cc\ -std=c99
-.ad b
+.RE
+.ad
 .SH DESCRIPTION
 The
 .BR pow ()
@@ -284,7 +289,6 @@ Pole error: \fIx\fP is zero, and \fIy\fP is negative
 is set to
 .BR ERANGE
 (but see BUGS).
-.\" FIXME . glibc 2.8 gives EDOM
 A divide-by-zero floating-point exception
 .RB ( FE_DIVBYZERO )
 is raised.
@@ -311,15 +315,19 @@ The variant returning
 also conforms to
 SVr4, 4.3BSD, C89.
 .SH BUGS
-For a pole error,
+In glibc 2.9 and earlier,
 .\"
-.\" FIXME . this is as at glibc 2.8; check later if this bug is fixed
-.\" Bug raised: http://sources.redhat.com/bugzilla/show_bug.cgi?id=6776
+.\" http://sources.redhat.com/bugzilla/show_bug.cgi?id=6776
+when a pole error occurs,
 .I errno
 is set to
-.BR EDOM ;
-POSIX.1 says it should be set to
+.BR EDOM
+instead of the POSIX-mandated
 .BR ERANGE .
+Since version 2.10,
+.\" or possibly 2.9, I haven't found the source code change
+.\" and I don't have a 2.9 system to test
+glibc does the right thing.
 
 If
 .I x