diff options
Diffstat (limited to 'man3/lrint.3')
| -rw-r--r-- | man3/lrint.3 | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/man3/lrint.3 b/man3/lrint.3 new file mode 100644 index 000000000..e28c76ea7 --- /dev/null +++ b/man3/lrint.3 @@ -0,0 +1,66 @@ +.\" Copyright 2001 Andries Brouwer <aeb@cwi.nl>. +.\" +.\" Permission is granted to make and distribute verbatim copies of this +.\" manual provided the copyright notice and this permission notice are +.\" preserved on all copies. +.\" +.\" Permission is granted to copy and distribute modified versions of this +.\" manual under the conditions for verbatim copying, provided that the +.\" entire resulting derived work is distributed under the terms of a +.\" permission notice identical to this one. +.\" +.\" Since the Linux kernel and libraries are constantly changing, this +.\" manual page may be incorrect or out-of-date. The author(s) assume no +.\" responsibility for errors or omissions, or for damages resulting from +.\" the use of the information contained herein. The author(s) may not +.\" have taken the same level of care in the production of this manual, +.\" which is licensed free of charge, as they might when working +.\" professionally. +.\" +.\" Formatted or processed versions of this manual, if unaccompanied by +.\" the source, must acknowledge the copyright and authors of this work. +.\" +.TH LRINT 3 2001-05-31 "" "Linux Programmer's Manual" +.SH NAME +lrint, lrintf, lrintl, llrint, llrintf, llrintl \- round to nearest integer +.SH SYNOPSIS +.nf +.B #include <math.h> +.sp +.BI "long int lrint(double " x ); +.br +.BI "long int lrintf(float " x ); +.br +.BI "long int lrintl(long double " x ); +.sp +.BI "long long int llrint(double " x ); +.br +.BI "long long int llrintf(float " x ); +.br +.BI "long long int llrintl(long double " x ); +.fi +.sp +Link with \-lm. +.SH DESCRIPTION +These functions round their argument to the nearest integer value, +using the current rounding direction. +If \fIx\fP is infinite or NaN, or if the rounded value is outside +the range of the return type, the numeric result is unspecified. +A domain error may occur if the magnitude of \fIx\fP is too large. +.SH "RETURN VALUE" +The rounded integer value. +.SH ERRORS +.TP +.B EDOM +The magnitude of \fIx\fP is too large and +.I "(math_errhandling & MATH_ERRNO)" +is non-zero. +.SH "CONFORMING TO" +C99. +.SH "SEE ALSO" +.BR ceil (3), +.BR floor (3), +.BR lround (3), +.BR nearbyint (3), +.BR rint (3), +.BR round (3) |