1*84d9c625SLionel Sambuc.\" $NetBSD: trunc.3,v 1.7 2013/11/13 22:11:52 wiz Exp $ 22fe8fb19SBen Gras.\" 32fe8fb19SBen Gras.\" Copyright (c) 2004, 2005 David Schultz <das@FreeBSD.org> 42fe8fb19SBen Gras.\" All rights reserved. 52fe8fb19SBen Gras.\" 62fe8fb19SBen Gras.\" Redistribution and use in source and binary forms, with or without 72fe8fb19SBen Gras.\" modification, are permitted provided that the following conditions 82fe8fb19SBen Gras.\" are met: 92fe8fb19SBen Gras.\" 1. Redistributions of source code must retain the above copyright 102fe8fb19SBen Gras.\" notice, this list of conditions and the following disclaimer. 112fe8fb19SBen Gras.\" 2. Redistributions in binary form must reproduce the above copyright 122fe8fb19SBen Gras.\" notice, this list of conditions and the following disclaimer in the 132fe8fb19SBen Gras.\" documentation and/or other materials provided with the distribution. 142fe8fb19SBen Gras.\" 152fe8fb19SBen Gras.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 162fe8fb19SBen Gras.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 172fe8fb19SBen Gras.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 182fe8fb19SBen Gras.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 192fe8fb19SBen Gras.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 202fe8fb19SBen Gras.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 212fe8fb19SBen Gras.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 222fe8fb19SBen Gras.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 232fe8fb19SBen Gras.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 242fe8fb19SBen Gras.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 252fe8fb19SBen Gras.\" SUCH DAMAGE. 262fe8fb19SBen Gras.\" 272fe8fb19SBen Gras.\" $FreeBSD: src/lib/msun/man/trunc.3,v 1.3 2005/06/15 19:04:04 ru Exp $ 282fe8fb19SBen Gras.\" 29*84d9c625SLionel Sambuc.Dd November 13, 2013 302fe8fb19SBen Gras.Dt TRUNC 3 312fe8fb19SBen Gras.Os 322fe8fb19SBen Gras.Sh NAME 332fe8fb19SBen Gras.Nm trunc , 34*84d9c625SLionel Sambuc.Nm truncf , 35*84d9c625SLionel Sambuc.Nm truncl 362fe8fb19SBen Gras.Nd "nearest integral value with magnitude less than or equal to |x|" 372fe8fb19SBen Gras.Sh LIBRARY 382fe8fb19SBen Gras.Lb libm 392fe8fb19SBen Gras.Sh SYNOPSIS 402fe8fb19SBen Gras.In math.h 412fe8fb19SBen Gras.Ft double 422fe8fb19SBen Gras.Fn trunc "double x" 432fe8fb19SBen Gras.Ft float 442fe8fb19SBen Gras.Fn truncf "float x" 45*84d9c625SLionel Sambuc.Ft "long double" 46*84d9c625SLionel Sambuc.Fn truncl "long double x" 472fe8fb19SBen Gras.Sh DESCRIPTION 482fe8fb19SBen GrasThe 49*84d9c625SLionel Sambuc.Fn trunc , 50*84d9c625SLionel Sambuc.Fn truncf , 512fe8fb19SBen Grasand 52*84d9c625SLionel Sambuc.Fn truncl 532fe8fb19SBen Grasfunctions return the nearest integral value with magnitude less than 542fe8fb19SBen Grasor equal to 552fe8fb19SBen Gras.Pf | Fa x Ns | . 562fe8fb19SBen GrasThey are equivalent to 57*84d9c625SLionel Sambuc.Fn rint , 58*84d9c625SLionel Sambuc.Fn rintf , 592fe8fb19SBen Grasand 60*84d9c625SLionel Sambuc.Fn rintl 612fe8fb19SBen Grasrespectively, in the 622fe8fb19SBen Gras.Dv FP_RZ 632fe8fb19SBen Grasrounding mode. 642fe8fb19SBen Gras.Sh SEE ALSO 652fe8fb19SBen Gras.Xr ceil 3 , 662fe8fb19SBen Gras.Xr floor 3 , 672fe8fb19SBen Gras.Xr fpsetround 3 , 682fe8fb19SBen Gras.Xr math 3 , 692fe8fb19SBen Gras.Xr nextafter 3 , 702fe8fb19SBen Gras.Xr rint 3 , 712fe8fb19SBen Gras.Xr round 3 722fe8fb19SBen Gras.Sh STANDARDS 732fe8fb19SBen GrasThe 74*84d9c625SLionel Sambuc.Fn trunc , 75*84d9c625SLionel Sambuc.Fn truncf , 762fe8fb19SBen Grasand 77*84d9c625SLionel Sambuc.Fn truncl 782fe8fb19SBen Grasfunctions conform to 792fe8fb19SBen Gras.St -isoC-99 . 80