diff options
Diffstat (limited to '')
| -rw-r--r-- | man3/rint.3 | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/man3/rint.3 b/man3/rint.3 index 945f48b..812d6ae 100644 --- a/man3/rint.3 +++ b/man3/rint.3 @@ -5,7 +5,7 @@ .\" .\" SPDX-License-Identifier: Linux-man-pages-copyleft .\" -.TH rint 3 2023-07-20 "Linux man-pages 6.05.01" +.TH rint 3 2023-10-31 "Linux man-pages 6.7" .SH NAME nearbyint, nearbyintf, nearbyintl, rint, rintf, rintl \- round to nearest integer @@ -15,28 +15,28 @@ Math library .SH SYNOPSIS .nf .B #include <math.h> -.PP +.P .BI "double nearbyint(double " x ); .BI "float nearbyintf(float " x ); .BI "long double nearbyintl(long double " x ); -.PP +.P .BI "double rint(double " x ); .BI "float rintf(float " x ); .BI "long double rintl(long double " x ); .fi -.PP +.P .RS -4 Feature Test Macro Requirements for glibc (see .BR feature_test_macros (7)): .RE -.PP +.P .BR nearbyint (), .BR nearbyintf (), .BR nearbyintl (): .nf _POSIX_C_SOURCE >= 200112L || _ISOC99_SOURCE .fi -.PP +.P .BR rint (): .nf _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L @@ -45,7 +45,7 @@ Feature Test Macro Requirements for glibc (see || /* Since glibc 2.19: */ _DEFAULT_SOURCE || /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE .fi -.PP +.P .BR rintf (), .BR rintl (): .nf @@ -68,7 +68,7 @@ exception. When the current rounding direction is to nearest, these functions round halfway cases to the even integer in accordance with IEEE-754. -.PP +.P The .BR rint (), .BR rintf (), @@ -83,7 +83,7 @@ checkable via when the result differs in value from the argument. .SH RETURN VALUE These functions return the rounded integer value. -.PP +.P If .I x is integral, +0, \-0, NaN, or infinite, @@ -111,7 +111,6 @@ T{ .BR rintl () T} Thread safety MT-Safe .TE -.sp 1 .SH STANDARDS C11, POSIX.1-2008. .SH HISTORY @@ -133,7 +132,7 @@ 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 lrint (3) |