fanotify_init.2, fanotify.7: Document FAN_REPORT_TID

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

diff --git a/man3/rint.3 b/man3/rint.3
index 36fdeefaa956fdea44104dba2d020e4de91f594d..b05285364354cf37a29a37b05d540e73a79ae0f1 100644 (file)
--- a/man3/rint.3
+++ b/man3/rint.3
@@ -24,63 +24,53 @@
 .\" the source, must acknowledge the copyright and authors of this work.
 .\" %%%LICENSE_END
 .\"
-.TH RINT 3  2015-03-02 "" "Linux Programmer's Manual"
+.TH RINT 3  2017-09-15 "" "Linux Programmer's Manual"
 .SH NAME
 nearbyint, nearbyintf, nearbyintl, rint, rintf, rintl \- round
 to nearest integer
 .SH SYNOPSIS
 .nf
 .B #include <math.h>
-.sp
+.PP
 .BI "double nearbyint(double " x );
-.br
 .BI "float nearbyintf(float " x );
-.br
 .BI "long double nearbyintl(long double " x );
-.sp
+.PP
 .BI "double rint(double " x );
-.br
 .BI "float rintf(float " x );
-.br
 .BI "long double rintl(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 nearbyint (),
 .BR nearbyintf (),
 .BR nearbyintl ():
 .RS 4
-_XOPEN_SOURCE\ >=\ 600 || _POSIX_C_SOURCE\ >=\ 200112L || _ISOC99_SOURCE;
-.br
-or
-.I cc\ -std=c99
+_POSIX_C_SOURCE\ >=\ 200112L || _ISOC99_SOURCE
 .RE
 .br
 .BR rint ():
 .RS 4
-_BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE\ >=\ 500 ||
-_XOPEN_SOURCE\ &&\ _XOPEN_SOURCE_EXTENDED || _ISOC99_SOURCE ||
-_POSIX_C_SOURCE\ >=\ 200112L;
-.br
-or
-.I cc\ -std=c99
+_ISOC99_SOURCE || _POSIX_C_SOURCE\ >=\ 200112L
+    || _XOPEN_SOURCE\ >=\ 500
+.\"    || _XOPEN_SOURCE\ &&\ _XOPEN_SOURCE_EXTENDED
+    || /* Since glibc 2.19: */ _DEFAULT_SOURCE
+    || /* Glibc versions <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE
 .RE
 .br
 .BR rintf (),
 .BR rintl ():
 .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 b
 .SH DESCRIPTION
@@ -94,10 +84,11 @@ format, using the current rounding direction (see
 .BR fesetround (3))
 and without raising the
 .I inexact
-exception. When the current rounding direction is to nearest, these
+exception.
+When the current rounding direction is to nearest, these
 functions round halfway cases to the even integer in accordance with
 IEEE-754.
-.LP
+.PP
 The
 .BR rint (),
 .BR rintf (),
@@ -112,7 +103,7 @@ checkable via
 when the result differs in value from the argument.
 .SH RETURN VALUE
 These functions return the rounded integer value.
-
+.PP
 If
 .I x
 is integral, +0, \-0, NaN, or infinite,
@@ -157,7 +148,7 @@ of the exponent is smaller than the number of mantissa bits.
 For the IEEE-754 standard 32-bit and 64-bit floating-point numbers
 the maximum value of the exponent is 128 (respectively, 1024),
 and the number of mantissa bits is 24 (respectively, 53).)
-
+.PP
 If you want to store the rounded value in an integer type,
 you probably want to use one of the functions described in
 .BR lrint (3)