fanotify_init.2, fanotify.7: Document FAN_REPORT_TID

[thirdparty/man-pages.git] / man3 / floor.3

diff --git a/man3/floor.3 b/man3/floor.3
index 79d744f35b480339a8aaf194ee425d3e6cb65dee..6c6ff3d87f6e2dcc858d32c33a434407fc3794ec 100644 (file)
--- a/man3/floor.3
+++ b/man3/floor.3
@@ -24,42 +24,38 @@
 .\" the source, must acknowledge the copyright and authors of this work.
 .\" %%%LICENSE_END
 .\"
-.TH FLOOR 3  2010-09-20 "" "Linux Programmer's Manual"
+.TH FLOOR 3  2017-09-15 "" "Linux Programmer's Manual"
 .SH NAME
 floor, floorf, floorl \- largest integral value not greater than argument
 .SH SYNOPSIS
 .nf
 .B #include <math.h>
-.sp
+.PP
 .BI "double floor(double " x );
-.br
 .BI "float floorf(float " x );
-.br
 .BI "long double floorl(long double " x );
 .fi
-.sp
+.PP
 Link with \fI\-lm\fP.
-.sp
+.PP
 .in -4n
 Feature Test Macro Requirements for glibc (see
 .BR feature_test_macros (7)):
 .in
-.sp
+.PP
 .ad l
 .BR floorf (),
 .BR floorl ():
 .RS 4
-_BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE ||
-_POSIX_C_SOURCE\ >=\ 200112L;
-.br
-or
-.I cc\ -std=c99
+_ISOC99_SOURCE || _POSIX_C_SOURCE\ >=\ 200112L
+    || /* Since glibc 2.19: */ _DEFAULT_SOURCE
+    || /* Glibc versions <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE
 .RE
 .ad
 .SH DESCRIPTION
 These functions return the largest integral value that is not greater than
 .IR x .
-
+.PP
 For example,
 .IR floor(0.5)
 is 0.0, and
@@ -68,14 +64,32 @@ is \-1.0.
 .SH RETURN VALUE
 These functions return the floor of
 .IR x .
-
-If \fIx\fP is integral, +0, \-0, NaN, or an infinity,
-\fIx\fP itself is returned.
+.PP
+If
+.I x
+is integral, +0, \-0, NaN, or an infinity,
+.I x
+itself is returned.
 .SH ERRORS
 No errors occur.
 POSIX.1-2001 documents a range error for overflows, but see NOTES.
+.SH ATTRIBUTES
+For an explanation of the terms used in this section, see
+.BR attributes (7).
+.TS
+allbox;
+lbw27 lb lb
+l l l.
+Interface      Attribute       Value
+T{
+.BR floor (),
+.BR floorf (),
+.BR floorl ()
+T}     Thread safety   MT-Safe
+.TE
 .SH CONFORMING TO
-C99, POSIX.1-2001.
+C99, POSIX.1-2001, POSIX.1-2008.
+.PP
 The variant returning
 .I double
 also conforms to