1.\" $OpenBSD: lrint.3,v 1.4 2011/07/07 01:34:52 martynas 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: July 7 2011 $ 31.Dt LRINT 3 32.Os 33.Sh NAME 34.Nm llrint , 35.Nm llrintf , 36.Nm llrintl , 37.Nm lrint , 38.Nm lrintf , 39.Nm lrintl 40.Nd convert to integer 41.Sh SYNOPSIS 42.In math.h 43.Ft long long 44.Fn llrint "double x" 45.Ft long long 46.Fn llrintf "float x" 47.Ft long long 48.Fn llrintl "long double x" 49.Ft long 50.Fn lrint "double x" 51.Ft long 52.Fn lrintf "float x" 53.Ft long 54.Fn lrintl "long double x" 55.Sh DESCRIPTION 56The 57.Fn lrint 58function returns the integer nearest to its argument 59.Fa x 60according to the current rounding mode. 61.Pp 62The 63.Fn llrint , 64.Fn llrintf , 65.Fn llrintl , 66.Fn lrintf , 67and 68.Fn lrintl 69functions differ from 70.Fn lrint 71only in their input and output types. 72.Sh RETURN VALUES 73The 74.Nm llrint , 75.Nm llrintf , 76.Nm llrintl , 77.Nm lrint , 78.Nm lrintf , 79and 80.Nm lrintl 81functions return the integer nearest to their argument 82.Fa x 83according to the current rounding mode. 84If the rounded result is too large to be represented as a 85.Vt long long 86or 87.Vt long 88value, respectively, 89.\" an invalid exception is raised and 90the return value is undefined. 91.\" Otherwise, if 92.\" .Fa x 93.\" is not an integer, 94.\" .Fn lrint 95.\" raises an inexact exception. 96.\" If 97.\" .Fa x 98.\" is too large, a range error may occur. 99.Sh SEE ALSO 100.Xr lround 3 , 101.Xr rint 3 102.Sh STANDARDS 103The 104.Fn llrint , 105.Fn llrintf , 106.Fn llrintl , 107.Fn lrint , 108.Fn lrintf , 109and 110.Fn lrintl 111functions conform to 112.St -isoC-99 . 113