diff options
Diffstat (limited to '')
| -rw-r--r-- | man3/round.3 | 15 |
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) |