diff options
Diffstat (limited to 'man3/lround.3')
-rw-r--r-- | man3/lround.3 | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/man3/lround.3 b/man3/lround.3 deleted file mode 100644 index 1e947ff..0000000 --- a/man3/lround.3 +++ /dev/null @@ -1,113 +0,0 @@ -'\" t -.\" Copyright 2001 Andries Brouwer <aeb@cwi.nl>. -.\" and Copyright 2008, Linux Foundation, written by Michael Kerrisk -.\" <mtk.manpages@gmail.com> -.\" -.\" SPDX-License-Identifier: Linux-man-pages-copyleft -.\" -.TH lround 3 2023-10-31 "Linux man-pages 6.7" -.SH NAME -lround, lroundf, lroundl, llround, llroundf, llroundl \- round to -nearest integer -.SH LIBRARY -Math library -.RI ( libm ", " \-lm ) -.SH SYNOPSIS -.nf -.B #include <math.h> -.P -.BI "long lround(double " x ); -.BI "long lroundf(float " x ); -.BI "long lroundl(long double " x ); -.P -.BI "long long llround(double " x ); -.BI "long long llroundf(float " x ); -.BI "long long llroundl(long double " x ); -.fi -.P -.RS -4 -Feature Test Macro Requirements for glibc (see -.BR feature_test_macros (7)): -.RE -.P -All functions shown above: -.nf - _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L -.fi -.SH DESCRIPTION -These functions round their argument to the nearest integer value, -rounding halfway cases away from zero, -regardless of the current rounding direction (see -.BR fenv (3)). -.P -Note that unlike the -.BR round (3) -and -.BR ceil (3), -functions, the return type of these functions differs from -that of their arguments. -.SH RETURN VALUE -These functions return the rounded integer value. -.P -If -.I x -is a NaN or an infinity, -or the rounded value is too large to be stored in a -.I long -.RI ( "long long" -in the case of the -.B ll* -functions), -then a domain error occurs, and the return value is unspecified. -.\" The return value is -(LONG_MAX - 1) or -(LLONG_MAX -1) -.SH ERRORS -See -.BR math_error (7) -for information on how to determine whether an error has occurred -when calling these functions. -.P -The following errors can occur: -.TP -Domain error: \fIx\fP is a NaN or infinite, or the rounded value is too large -.\" .I errno -.\" is set to -.\" .BR EDOM . -An invalid floating-point exception -.RB ( FE_INVALID ) -is raised. -.P -These functions do not set -.IR errno . -.\" FIXME . Is it intentional that these functions do not set errno? -.\" Bug raised: https://www.sourceware.org/bugzilla/show_bug.cgi?id=6797 -.SH ATTRIBUTES -For an explanation of the terms used in this section, see -.BR attributes (7). -.TS -allbox; -lbx lb lb -l l l. -Interface Attribute Value -T{ -.na -.nh -.BR lround (), -.BR lroundf (), -.BR lroundl (), -.BR llround (), -.BR llroundf (), -.BR llroundl () -T} Thread safety MT-Safe -.TE -.SH STANDARDS -C11, POSIX.1-2008. -.SH HISTORY -glibc 2.1. -C99, POSIX.1-2001. -.SH SEE ALSO -.BR ceil (3), -.BR floor (3), -.BR lrint (3), -.BR nearbyint (3), -.BR rint (3), -.BR round (3) |