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+.\" Copyright (c) 2005 David Schultz <das@FreeBSD.org>
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" $FreeBSD: src/lib/msun/man/lround.3,v 1.4 2005/06/15 19:04:04 ru Exp $
+.\"
+.Dd April 7, 2005
+.Dt LROUND 3
+.Os
+.Sh NAME
+.Nm llround ,
+.Nm llroundf ,
+.Nm llroundl ,
+.Nm lround ,
+.Nm lroundf ,
+.Nm lroundl
+.Nd "convert to nearest integral value"
+.Sh LIBRARY
+.Lb libm
+.Sh SYNOPSIS
+.In math.h
+.Ft "long long"
+.Fn llround "double x"
+.Ft "long long"
+.Fn llroundf "float x"
+.Ft "long long"
+.Fn llroundl "long double x"
+.Ft long
+.Fn lround "double x"
+.Ft long
+.Fn lroundf "float x"
+.Ft long
+.Fn lroundl "long double x"
+.Sh DESCRIPTION
+The
+.Fn lround
+function returns the integer nearest to its argument
+.Fa x ,
+rounding away from zero in halfway cases.
+If the rounded result is too large to be represented as a
+.Vt long
+value, an invalid exception is raised and the return value is undefined.
+Otherwise, if
+.Fa x
+is not an integer,
+.Fn lround
+may raise an inexact exception.
+When the rounded result is representable as a
+.Vt long ,
+the expression
+.Fn lround x
+is equivalent to
+.Po Vt long Pc Ns Fn round x
+(although the former may be more efficient).
+.Pp
+The
+.Fn llround ,
+.Fn llroundf ,
+.Fn llroundl ,
+.Fn lroundf
+and
+.Fn lroundl
+functions differ from
+.Fn lround
+only in their input and output types.
+.Sh SEE ALSO
+.Xr lrint 3 ,
+.Xr math 3 ,
+.Xr rint 3 ,
+.Xr round 3
+.Sh STANDARDS
+The
+.Fn llround ,
+.Fn llroundf ,
+.Fn llroundl ,
+.Fn lround ,
+.Fn lroundf ,
+and
+.Fn lroundl
+functions conform to
+.St -isoC-99 .
+.Sh HISTORY
+The
+.Vt float
+and
+.Vt double
+versions of these routines first appeared in
+.Fx 5.4 .
+The
+.Vt "long double"
+versions appeared in
+.Fx 6.0 .