1.\" $OpenBSD: lrint.3,v 1.2 2007/05/31 19:19:35 jmc Exp $ 2.\" $NetBSD: lrint.3,v 1.1 2005/09/16 15:26:47 wiz Exp $ 3.\" 4.\" Copyright (c) 2005 David Schultz <das@FreeBSD.org> 5.\" All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" $FreeBSD: /repoman/r/ncvs/src/lib/msun/man/lrint.3,v 1.2.2.2 2005/03/01 16:18:39 brueffer Exp $ 29.\" 30.Dd $Mdocdate: May 31 2007 $ 31.Dt LRINT 3 32.Os 33.Sh NAME 34.Nm llrint , 35.Nm llrintf , 36.Nm lrint , 37.Nm lrintf 38.Nd convert to integer 39.Sh SYNOPSIS 40.In math.h 41.Ft long long 42.Fn llrint "double x" 43.Ft long long 44.Fn llrintf "float x" 45.Ft long 46.Fn lrint "double x" 47.Ft long 48.Fn lrintf "float x" 49.Sh DESCRIPTION 50The 51.Fn lrint 52function returns the integer nearest to its argument 53.Fa x 54according to the current rounding mode. 55.Pp 56The 57.Fn llrint , 58.Fn llrintf , 59and 60.Fn lrintf 61functions differ from 62.Fn lrint 63only in their input and output types. 64.Sh RETURN VALUES 65The 66.Nm llrint , 67.Nm llrintf , 68.Nm lrint , 69and 70.Nm lrintf 71functions return the integer nearest to their argument 72.Fa x 73according to the current rounding mode. 74If the rounded result is too large to be represented as a 75.Vt long long 76or 77.Vt long 78value, respectively, 79.\" an invalid exception is raised and 80the return value is undefined. 81.\" Otherwise, if 82.\" .Fa x 83.\" is not an integer, 84.\" .Fn lrint 85.\" raises an inexact exception. 86.\" If 87.\" .Fa x 88.\" is too large, a range error may occur. 89.Sh SEE ALSO 90.Xr lround 3 , 91.Xr math 3 , 92.Xr rint 3 93.Sh STANDARDS 94The 95.Fn llrint , 96.Fn llrintf , 97.Fn lrint , 98and 99.Fn lrintf 100functions conform to 101.St -isoC-99 . 102