1.\" Copyright (c) 1991 The Regents of the University of California. 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 16 unchanged lines hidden (view full) --- 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" from: @(#)ceil.3 5.1 (Berkeley) 5/2/91 |
33.\" $FreeBSD: head/lib/msun/man/ceil.3 140172 2005-01-13 09:11:41Z stefanf $ |
34.\" |
35.Dd January 13, 2005 |
36.Dt CEIL 3 37.Os 38.Sh NAME 39.Nm ceil , |
40.Nm ceilf , 41.Nm ceill |
42.Nd smallest integral value greater than or equal to x 43.Sh LIBRARY 44.Lb libm 45.Sh SYNOPSIS 46.In math.h 47.Ft double 48.Fn ceil "double x" 49.Ft float 50.Fn ceilf "float x" |
51.Ft long double 52.Fn ceill "long double x" |
53.Sh DESCRIPTION 54The |
55.Fn ceil , 56the |
57.Fn ceilf |
58and the 59.Fn ceill |
60functions return the smallest integral value 61greater than or equal to 62.Fa x , 63expressed as a floating-point number. 64.Sh SEE ALSO 65.Xr abs 3 , 66.Xr fabs 3 , 67.Xr floor 3 , 68.Xr ieee 3 , 69.Xr math 3 , 70.Xr rint 3 , 71.Xr round 3 , 72.Xr trunc 3 73.Sh STANDARDS 74The 75.Fn ceil 76function conforms to 77.St -isoC . |
78The 79.Fn ceilf 80and the 81.Fn ceill 82functions conform to 83.St -isoC-99 . |