xref: /freebsd/lib/msun/man/ceil.3 (revision 380a989b3223d455375b4fae70fd0b9bdd43bafb)
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32.\"     from: @(#)ceil.3	5.1 (Berkeley) 5/2/91
33.\"	$Id: ceil.3,v 1.6 1997/02/22 15:09:26 peter Exp $
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35.Dd March 10, 1994
36.Dt CEIL 3
37.Os
38.Sh NAME
39.Nm ceil ,
40.Nm ceilf
41.Nd round to smallest integral value >= x
42.Sh SYNOPSIS
43.Fd #include <math.h>
44.Ft double
45.Fn ceil "double x"
46.Ft float
47.Fn ceilf "float x"
48.Sh DESCRIPTION
49The
50.Fn ceil
51and the
52.Fn ceilf
53functions return the smallest integral value
54(represented as a double precision number)
55greater than or equal to
56.Fa x .
57.Sh SEE ALSO
58.Xr abs 3 ,
59.Xr fabs 3 ,
60.Xr floor 3 ,
61.Xr ieee 3 ,
62.Xr math 3 ,
63.Xr rint 3
64.Sh STANDARDS
65The
66.Fn ceil
67function conforms to
68.St -ansiC .
69