| rint.3 (165906) | rint.3 (175309) |
|---|---|
| 1.\" Copyright (c) 1985, 1991 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. --- 12 unchanged lines hidden (view full) --- 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" from: @(#)rint.3 5.1 (Berkeley) 5/2/91 | 1.\" Copyright (c) 1985, 1991 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. --- 12 unchanged lines hidden (view full) --- 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" from: @(#)rint.3 5.1 (Berkeley) 5/2/91 |
| 29.\" $FreeBSD: head/lib/msun/man/rint.3 165906 2007-01-09 01:02:06Z imp $ | 29.\" $FreeBSD: head/lib/msun/man/rint.3 175309 2008-01-14 02:12:07Z das $ |
| 30.\" | 30.\" |
| 31.Dd July 5, 2004 | 31.Dd January 13, 2008 |
| 32.Dt RINT 3 33.Os 34.Sh NAME 35.Nm nearbyint , 36.Nm nearbyintf , | 32.Dt RINT 3 33.Os 34.Sh NAME 35.Nm nearbyint , 36.Nm nearbyintf , |
| 37.Nm nearbyintl , |
|
| 37.Nm rint , | 38.Nm rint , |
| 38.Nm rintf | 39.Nm rintf , 40.Nm rintl |
| 39.Nd round to integral value in floating-point format 40.Sh LIBRARY 41.Lb libm 42.Sh SYNOPSIS 43.In math.h 44.Ft double 45.Fn nearbyint "double x" 46.Ft float 47.Fn nearbyintf "float x" | 41.Nd round to integral value in floating-point format 42.Sh LIBRARY 43.Lb libm 44.Sh SYNOPSIS 45.In math.h 46.Ft double 47.Fn nearbyint "double x" 48.Ft float 49.Fn nearbyintf "float x" |
| 50.Ft long double 51.Fn nearbyintl "long double x" |
|
| 48.Ft double 49.Fn rint "double x" 50.Ft float 51.Fn rintf "float x" | 52.Ft double 53.Fn rint "double x" 54.Ft float 55.Fn rintf "float x" |
| 56.Ft long double 57.Fn rintl "long double x" |
|
| 52.Sh DESCRIPTION 53The | 58.Sh DESCRIPTION 59The |
| 54.Fn rint 55and the 56.Fn rintf | 60.Fn rint , 61.Fn rintf , 62and 63.Fn rintl |
| 57functions return the integral value nearest to 58.Fa x 59according to the prevailing rounding mode. 60These functions raise an inexact exception when the original argument 61is not an exact integer. 62.Pp 63The | 64functions return the integral value nearest to 65.Fa x 66according to the prevailing rounding mode. 67These functions raise an inexact exception when the original argument 68is not an exact integer. 69.Pp 70The |
| 64.Fn nearbyint | 71.Fn nearbyint , 72.Fn nearbyintf , |
| 65and | 73and |
| 66.Fn nearbyintf | 74.Fn nearbyintl |
| 67functions perform the same operation, except that they do not raise 68an inexact exception. 69.Sh SEE ALSO 70.Xr abs 3 , 71.Xr ceil 3 , 72.Xr fabs 3 , 73.Xr fenv 3 , 74.Xr floor 3 , 75.Xr ieee 3 , 76.Xr lrint 3 , 77.Xr lround 3 , 78.Xr math 3 , 79.Xr round 3 80.Sh STANDARDS | 75functions perform the same operation, except that they do not raise 76an inexact exception. 77.Sh SEE ALSO 78.Xr abs 3 , 79.Xr ceil 3 , 80.Xr fabs 3 , 81.Xr fenv 3 , 82.Xr floor 3 , 83.Xr ieee 3 , 84.Xr lrint 3 , 85.Xr lround 3 , 86.Xr math 3 , 87.Xr round 3 88.Sh STANDARDS |
| 81The 82.Fn nearbyint , 83.Fn nearbyintf , 84.Fn rint , 85and 86.Fn rintf 87functions conform to | 89These functions conform to |
| 88.St -isoC-99 . 89.Sh HISTORY 90A 91.Fn rint 92function appeared in 93.At v6 . 94The 95.Fn nearbyint 96and 97.Fn nearbyintf 98functions appeared in | 90.St -isoC-99 . 91.Sh HISTORY 92A 93.Fn rint 94function appeared in 95.At v6 . 96The 97.Fn nearbyint 98and 99.Fn nearbyintf 100functions appeared in |
| 99.Fx 5.3 . | 101.Fx 5.3 , 102and the long double variants were first available in 103.Fx 8.0 . |