1*23fbb714Sschwarze.\" $OpenBSD: floor.3,v 1.14 2013/07/17 05:42:11 schwarze Exp $ 2df930be7Sderaadt.\" Copyright (c) 1985, 1991 The 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: @(#)floor.3 6.5 (Berkeley) 4/19/91 30df930be7Sderaadt.\" 31*23fbb714Sschwarze.Dd $Mdocdate: July 17 2013 $ 32df930be7Sderaadt.Dt FLOOR 3 33df930be7Sderaadt.Os 34df930be7Sderaadt.Sh NAME 358a2f5500Sderaadt.Nm floor , 367ac6a943Smartynas.Nm floorf , 377ac6a943Smartynas.Nm floorl 38df930be7Sderaadt.Nd round to largest integral value not greater than x 39df930be7Sderaadt.Sh SYNOPSIS 4086f9d4cdStedu.In math.h 41df930be7Sderaadt.Ft double 42df930be7Sderaadt.Fn floor "double x" 43df930be7Sderaadt.Ft float 44df930be7Sderaadt.Fn floorf "float x" 457ac6a943Smartynas.Ft long double 467ac6a943Smartynas.Fn floorl "long double x" 47df930be7Sderaadt.Sh DESCRIPTION 48df930be7SderaadtThe 49df930be7Sderaadt.Fn floor 50a856b3b0Sjasonfunction returns the largest integral value 51df930be7Sderaadtless than or equal to 52df930be7Sderaadt.Fa x . 53a856b3b0SjasonThe 54a856b3b0Sjason.Fn floorf 55a856b3b0Sjasonfunction is a single precision version of 56a856b3b0Sjason.Fn floor . 577ac6a943SmartynasThe 587ac6a943Smartynas.Fn floorl 597ac6a943Smartynasfunction is an extended precision version of 607ac6a943Smartynas.Fn floor . 61df930be7Sderaadt.Sh SEE ALSO 62df930be7Sderaadt.Xr abs 3 , 63df930be7Sderaadt.Xr ceil 3 , 64df930be7Sderaadt.Xr fabs 3 , 65287d7838Smartynas.Xr nextafter 3 , 66350bb3b8Salex.Xr rint 3 67df930be7Sderaadt.Sh STANDARDS 68df930be7SderaadtThe 69df930be7Sderaadt.Fn floor 70df930be7Sderaadtfunction conforms to 71df930be7Sderaadt.St -ansiC . 72*23fbb714Sschwarze.Sh HISTORY 73*23fbb714SschwarzeA 74*23fbb714Sschwarze.Fn floor 75*23fbb714Sschwarzefunction first appeared in 76*23fbb714Sschwarze.At v5 . 77