1.\" $NetBSD: lrint.3,v 1.1 2005/09/16 15:26:47 wiz Exp $ 2.\" 3.\" Copyright (c) 2005 David Schultz <das@FreeBSD.org> 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25.\" SUCH DAMAGE. 26.\" 27.\" $FreeBSD: /repoman/r/ncvs/src/lib/msun/man/lrint.3,v 1.2.2.2 2005/03/01 16:18:39 brueffer Exp $ 28.\" 29.Dd January 11, 2005 30.Dt LRINT 3 31.Os 32.Sh NAME 33.Nm llrint , 34.Nm llrintf , 35.Nm lrint , 36.Nm lrintf 37.Nd convert to integer 38.Sh LIBRARY 39.Lb libm 40.Sh SYNOPSIS 41.In math.h 42.Ft long long 43.Fn llrint "double x" 44.Ft long long 45.Fn llrintf "float x" 46.Ft long 47.Fn lrint "double x" 48.Ft long 49.Fn lrintf "float x" 50.Sh DESCRIPTION 51The 52.Fn lrint 53function returns the integer nearest to its argument 54.Fa x 55according to the current rounding mode. 56.Pp 57The 58.Fn llrint , 59.Fn llrintf , 60and 61.Fn lrintf 62functions differ from 63.Fn lrint 64only in their input and output types. 65.Sh RETURN VALUES 66The 67.Nm llrint , 68.Nm llrintf , 69.Nm lrint , 70and 71.Nm lrintf 72functions return the integer nearest to their argument 73.Fa x 74according to the current rounding mode. 75If the rounded result is too large to be represented as a 76.Vt long long 77or 78.Vt long 79value, respectively, 80.\" an invalid exception is raised and 81the return value is undefined. 82.\" Otherwise, if 83.\" .Fa x 84.\" is not an integer, 85.\" .Fn lrint 86.\" raises an inexact exception. 87.\" If 88.\" .Fa x 89.\" is too large, a range error may occur. 90.Sh SEE ALSO 91.\" .Xr lround 3 , 92.Xr math 3 , 93.Xr rint 3 , 94.Xr round 3 95.Sh STANDARDS 96The 97.Fn llrint , 98.Fn llrintf , 99.Fn lrint , 100and 101.Fn lrintf 102functions conform to 103.St -isoC-99 . 104