\" $NetBSD: round.3,v 1.7 2013/11/12 00:10:29 joerg Exp $
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\" Copyright (c) 2003, Steven G. Kargl
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\" $FreeBSD: src/lib/msun/man/round.3,v 1.2 2004/06/20 09:27:17 das Exp $
\"
Dd November 12, 2013
Dt ROUND 3
Os
Sh NAME
Nm round ,
Nm roundf ,
Nm roundl
Nd round to nearest integral value
Sh LIBRARY
Lb libm
Sh SYNOPSIS
In math.h
Ft double
Fn round "double x"
Ft float
Fn roundf "float x"
Ft long double
Fn roundl "long double x"
Sh DESCRIPTION
The
Fn round ,
Fn roundf ,
and
Fn roundl
functions return the nearest integral value to
Fa x ;
if
Fa x
lies halfway between two integral values, then these
functions return the integral value with the larger
absolute value (i.e., they round away from zero).
Sh SEE ALSO
Xr ceil 3 ,
Xr floor 3 ,
Xr math 3 ,
Xr rint 3 ,
Xr trunc 3
Sh STANDARDS
The
Fn round
and
Fn roundf
functions conform to
St -isoC-99 .
Sh HISTORY
The
Fn round
and
Fn roundf
functions appeared in
Nx 2.0 .