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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:41:07 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:41:07 +0000
commit3af6d22bb3850ab2bac67287e3a3d3b0e32868e5 (patch)
tree3ee7a3ec64525911fa865bb984c86d997d855527 /man3/round.3
parentAdding debian version 6.05.01-1. (diff)
downloadmanpages-3af6d22bb3850ab2bac67287e3a3d3b0e32868e5.tar.xz
manpages-3af6d22bb3850ab2bac67287e3a3d3b0e32868e5.zip
Merging upstream version 6.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'man3/round.3')
-rw-r--r--man3/round.315
1 files changed, 7 insertions, 8 deletions
diff --git a/man3/round.3 b/man3/round.3
index 591875f..4e27fd6 100644
--- a/man3/round.3
+++ b/man3/round.3
@@ -5,7 +5,7 @@
.\"
.\" SPDX-License-Identifier: Linux-man-pages-copyleft
.\"
-.TH round 3 2023-07-20 "Linux man-pages 6.05.01"
+.TH round 3 2023-10-31 "Linux man-pages 6.7"
.SH NAME
round, roundf, roundl \- round to nearest integer, away from zero
.SH LIBRARY
@@ -14,17 +14,17 @@ Math library
.SH SYNOPSIS
.nf
.B #include <math.h>
-.PP
+.P
.BI "double round(double " x );
.BI "float roundf(float " x );
.BI "long double roundl(long double " x );
.fi
-.PP
+.P
.RS -4
Feature Test Macro Requirements for glibc (see
.BR feature_test_macros (7)):
.RE
-.PP
+.P
.BR round (),
.BR roundf (),
.BR roundl ():
@@ -40,7 +40,7 @@ direction, see
.BR fenv (3)),
instead of to the nearest even integer like
.BR rint (3).
-.PP
+.P
For example,
.I round(0.5)
is 1.0, and
@@ -48,7 +48,7 @@ is 1.0, and
is \-1.0.
.SH RETURN VALUE
These functions return the rounded integer value.
-.PP
+.P
If
.I x
is integral, +0, \-0, NaN, or infinite,
@@ -73,7 +73,6 @@ T{
.BR roundl ()
T} Thread safety MT-Safe
.TE
-.sp 1
.SH STANDARDS
C11, POSIX.1-2008.
.SH HISTORY
@@ -97,7 +96,7 @@ the maximum value of the exponent is 127 (respectively, 1023),
and the number of mantissa bits
including the implicit bit
is 24 (respectively, 53).)
-.PP
+.P
If you want to store the rounded value in an integer type,
you probably want to use one of the functions described in
.BR lround (3)