diff options
author | bde <bde@FreeBSD.org> | 2001-10-13 14:22:08 +0000 |
---|---|---|
committer | bde <bde@FreeBSD.org> | 2001-10-13 14:22:08 +0000 |
commit | 4784c39e63e0d779fa98850910292bb686a99f29 (patch) | |
tree | aaa10513922196627455990aa96fadc170ffc711 /lib/libm/common_source/rint.3 | |
parent | 3097d9a80a95cf00bc33d528031adb2abdf8ecd6 (diff) | |
download | FreeBSD-src-4784c39e63e0d779fa98850910292bb686a99f29.zip FreeBSD-src-4784c39e63e0d779fa98850910292bb686a99f29.tar.gz |
Removed most of the zombie man pages in libm. All relevant parts have
been copied to msun/man (most of them long ago without proper history).
Diffstat (limited to 'lib/libm/common_source/rint.3')
-rw-r--r-- | lib/libm/common_source/rint.3 | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/lib/libm/common_source/rint.3 b/lib/libm/common_source/rint.3 deleted file mode 100644 index 599851c..0000000 --- a/lib/libm/common_source/rint.3 +++ /dev/null @@ -1,118 +0,0 @@ -.\" Copyright (c) 1985, 1991, 1993 -.\" The Regents of the University of California. All rights reserved. -.\" -.\" Redistribution and use in source and binary forms, with or without -.\" modification, are permitted provided that the following conditions -.\" are met: -.\" 1. Redistributions of source code must retain the above copyright -.\" notice, this list of conditions and the following disclaimer. -.\" 2. Redistributions in binary form must reproduce the above copyright -.\" notice, this list of conditions and the following disclaimer in the -.\" documentation and/or other materials provided with the distribution. -.\" 3. All advertising materials mentioning features or use of this software -.\" must display the following acknowledgement: -.\" This product includes software developed by the University of -.\" California, Berkeley and its contributors. -.\" 4. Neither the name of the University nor the names of its contributors -.\" may be used to endorse or promote products derived from this software -.\" without specific prior written permission. -.\" -.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND -.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE -.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS -.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) -.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF -.\" SUCH DAMAGE. -.\" -.\" @(#)rint.3 8.2 (Berkeley) 12/11/93 -.\" $FreeBSD$ -.\" -.Dd December 11, 1993 -.Dt RINT 3 -.Os -.Sh NAME -.Nm rint -.Nd round-to-closest integer functions -.Sh LIBRARY -.Lb libm -.Sh SYNOPSIS -.In math.h -.Ft double -.Fn rint "double x" -.Sh DESCRIPTION -The -.Fn rint -function finds the integer (represented as a double precision number) -nearest to -.Fa x -in the direction of the prevailing rounding mode. -.Sh NOTES -On a -.Tn VAX , -.Fn rint x -is equivalent to adding half to the magnitude -and then rounding towards zero. -.Pp -In the default rounding mode, to nearest, -on a machine that conforms to -.Tn IEEE -754, -.Fn rint x -is the integer nearest -.Fa x -with the additional stipulation -that if -.Li |rint(x)\-x|=1/2 -then -.Fn rint x -is even. -Other rounding modes can make -.Fn rint -act like -.Fn floor , -or like -.Fn ceil , -or round towards zero. -.Pp -Another way to obtain an integer near -.Fa x -is to declare (in C) -.Bd -literal -offset indent -double x;\0\0\0\0 int k;\0\0\0\0k\0=\0x; -.Ed -.Pp -Most C compilers round -.Fa x -towards 0 to get the integer -.Fa k , -but -some do otherwise. -If in doubt, use -.Fn floor , -.Fn ceil , -or -.Fn rint -first, whichever you intend. -Also note that, if x is larger than -.Fa k -can accommodate, the value of -.Fa k -and the presence or absence of an integer overflow are hard to -predict. -.Sh SEE ALSO -.Xr abs 3 , -.Xr ceil 3 , -.Xr fabs 3 , -.Xr floor 3 , -.Xr ieee 3 , -.Xr math 3 -.Sh HISTORY -A -.Fn rint -function appeared in -.At v6 . |