1*86f9d4cdStedu.\" $OpenBSD: rint.3,v 1.14 2013/06/05 03:40:26 tedu Exp $ 2df930be7Sderaadt.\" Copyright (c) 1985, 1991 Regents of the University of California. 3df930be7Sderaadt.\" All rights reserved. 4df930be7Sderaadt.\" 5df930be7Sderaadt.\" Redistribution and use in source and binary forms, with or without 6df930be7Sderaadt.\" modification, are permitted provided that the following conditions 7df930be7Sderaadt.\" are met: 8df930be7Sderaadt.\" 1. Redistributions of source code must retain the above copyright 9df930be7Sderaadt.\" notice, this list of conditions and the following disclaimer. 10df930be7Sderaadt.\" 2. Redistributions in binary form must reproduce the above copyright 11df930be7Sderaadt.\" notice, this list of conditions and the following disclaimer in the 12df930be7Sderaadt.\" documentation and/or other materials provided with the distribution. 136580fee3Smillert.\" 3. Neither the name of the University nor the names of its contributors 14df930be7Sderaadt.\" may be used to endorse or promote products derived from this software 15df930be7Sderaadt.\" without specific prior written permission. 16df930be7Sderaadt.\" 17df930be7Sderaadt.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18df930be7Sderaadt.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19df930be7Sderaadt.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20df930be7Sderaadt.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21df930be7Sderaadt.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22df930be7Sderaadt.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23df930be7Sderaadt.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24df930be7Sderaadt.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25df930be7Sderaadt.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26df930be7Sderaadt.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27df930be7Sderaadt.\" SUCH DAMAGE. 28df930be7Sderaadt.\" 29df930be7Sderaadt.\" from: @(#)rint.3 5.1 (Berkeley) 5/2/91 30df930be7Sderaadt.\" 31*86f9d4cdStedu.Dd $Mdocdate: June 5 2013 $ 32df930be7Sderaadt.Dt RINT 3 33df930be7Sderaadt.Os 34df930be7Sderaadt.Sh NAME 35aa633836Smartynas.Nm nearbyint , 36aa633836Smartynas.Nm nearbyintf , 37aa633836Smartynas.Nm nearbyintl , 388a2f5500Sderaadt.Nm rint , 39854ac34eSmartynas.Nm rintf , 40854ac34eSmartynas.Nm rintl 41df930be7Sderaadt.Nd round to integral value in floating-point format 42df930be7Sderaadt.Sh SYNOPSIS 43*86f9d4cdStedu.In math.h 44df930be7Sderaadt.Ft double 45aa633836Smartynas.Fn nearbyint "double x" 46aa633836Smartynas.Ft float 47aa633836Smartynas.Fn nearbyintf "float x" 48aa633836Smartynas.Ft long double 49aa633836Smartynas.Fn nearbyintl "long double x" 50aa633836Smartynas.Ft double 51df930be7Sderaadt.Fn rint "double x" 52df930be7Sderaadt.Ft float 53df930be7Sderaadt.Fn rintf "float x" 54854ac34eSmartynas.Ft long double 55854ac34eSmartynas.Fn rintl "long double x" 56df930be7Sderaadt.Sh DESCRIPTION 57df930be7SderaadtThe 58aa633836Smartynas.Fn rint , 59aa633836Smartynas.Fn rintf , 60aa633836Smartynasand 61aa633836Smartynas.Fn rintl 62aa633836Smartynasfunctions return the integral value nearest to 63df930be7Sderaadt.Fa x 64df930be7Sderaadtaccording to the prevailing rounding mode. 65aa633836Smartynas.Pp 6607fc7eacSjasonThe 67aa633836Smartynas.Fn nearbyint , 68aa633836Smartynas.Fn nearbyintf , 69aa633836Smartynasand 70aa633836Smartynas.Fn nearbyintl 710fde9a44Sjmcfunctions do the same, 720fde9a44Sjmcbut without raising the 73aa633836Smartynas.Dq inexact 74aa633836Smartynasfloating-point exception. 75df930be7Sderaadt.Sh SEE ALSO 76df930be7Sderaadt.Xr abs 3 , 77df930be7Sderaadt.Xr ceil 3 , 78350bb3b8Salex.Xr fabs 3 , 790714f1f8Smartynas.Xr floor 3 80df930be7Sderaadt.Sh HISTORY 81df930be7SderaadtA 82df930be7Sderaadt.Fn rint 83df930be7Sderaadtfunction appeared in 84df930be7Sderaadt.At v6 . 85