1.\" Copyright (c) 2003, Steven G. Kargl
2.\" All rights reserved.
3.\"
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5.\" modification, are permitted provided that the following conditions
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25.\" $FreeBSD: head/lib/msun/man/round.3 140087 2005-01-11 23:12:17Z das $
26.\"
27.Dd November 29, 2003
28.Dt ROUND 3
29.Os
30.Sh NAME
31.Nm round ,
32.Nm roundf
33.Nd round to nearest integral value
34.Sh LIBRARY
35.Lb libm
36.Sh SYNOPSIS
37.In math.h
38.Ft double
39.Fn round "double x"
40.Ft float
41.Fn roundf "float x"
42.Sh DESCRIPTION
43The
44.Fn round
45and
46.Fn roundf
47functions return the nearest integral value to
48.Fa x ;
49if
50.Fa x
51lies halfway between two integral values, then these
52functions return the integral value with the larger
53absolute value (i.e., they round away from zero).
54.Sh SEE ALSO
55.Xr ceil 3 ,
56.Xr floor 3 ,
57.Xr ieee 3 ,
58.Xr lrint 3 ,
59.Xr lround 3 ,
60.Xr math 3 ,
61.Xr rint 3 ,
62.Xr trunc 3
63.Sh STANDARDS
64The
65.Fn round
66function conforms to
67.St -isoC-99 .
68.Sh HISTORY
69The
70.Fn round
71and
72.Fn roundf
73functions appeared in
74.Fx 5.3 .