| round.3 (140087) | round.3 (144772) |
|---|---|
| 1.\" Copyright (c) 2003, Steven G. Kargl 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. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" | 1.\" Copyright (c) 2003, Steven G. Kargl 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. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" |
| 25.\" $FreeBSD: head/lib/msun/man/round.3 140087 2005-01-11 23:12:17Z das $ | 25.\" $FreeBSD: head/lib/msun/man/round.3 144772 2005-04-08 01:24:08Z das $ |
| 26.\" | 26.\" |
| 27.Dd November 29, 2003 | 27.Dd April 7, 2005 |
| 28.Dt ROUND 3 29.Os 30.Sh NAME 31.Nm round , | 28.Dt ROUND 3 29.Os 30.Sh NAME 31.Nm round , |
| 32.Nm roundf | 32.Nm roundf , 33.Nm roundl |
| 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" | 34.Nd round to nearest integral value 35.Sh LIBRARY 36.Lb libm 37.Sh SYNOPSIS 38.In math.h 39.Ft double 40.Fn round "double x" 41.Ft float 42.Fn roundf "float x" |
| 43.Ft long double 44.Fn roundl "long double x" |
|
| 42.Sh DESCRIPTION 43The | 45.Sh DESCRIPTION 46The |
| 44.Fn round | 47.Fn round , 48.Fn roundf , |
| 45and | 49and |
| 46.Fn roundf | 50.Fn roundl |
| 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 | 51functions return the nearest integral value to 52.Fa x ; 53if 54.Fa x 55lies halfway between two integral values, then these 56functions return the integral value with the larger 57absolute value (i.e., they round away from zero). 58.Sh SEE ALSO 59.Xr ceil 3 , 60.Xr floor 3 , 61.Xr ieee 3 , 62.Xr lrint 3 , 63.Xr lround 3 , 64.Xr math 3 , 65.Xr rint 3 , 66.Xr trunc 3 67.Sh STANDARDS |
| 64The 65.Fn round 66function conforms to | 68These functions conform to |
| 67.St -isoC-99 . 68.Sh HISTORY 69The 70.Fn round 71and 72.Fn roundf 73functions appeared in 74.Fx 5.3 . | 69.St -isoC-99 . 70.Sh HISTORY 71The 72.Fn round 73and 74.Fn roundf 75functions appeared in 76.Fx 5.3 . |
| 77The 78.Fn roundl 79function appeared in 80.Fx 6.0 . |
|