diff options
author | Otto Moerbeek <otto@cvs.openbsd.org> | 2017-12-02 07:35:47 +0000 |
---|---|---|
committer | Otto Moerbeek <otto@cvs.openbsd.org> | 2017-12-02 07:35:47 +0000 |
commit | a33a867df1d5672c17e56664eb555b88ff2c40f9 (patch) | |
tree | aecab7e5d43eb3660088f79b108042024b476757 /usr.bin/dc | |
parent | d2d78b602b796255bf9f054a67fc5330252ecbc5 (diff) |
Add a caveat wrt use of non-decimal fractional notation; from kshe; ok jmc@
Diffstat (limited to 'usr.bin/dc')
-rw-r--r-- | usr.bin/dc/dc.1 | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/usr.bin/dc/dc.1 b/usr.bin/dc/dc.1 index e24cb60f91d..efcd2ce0e51 100644 --- a/usr.bin/dc/dc.1 +++ b/usr.bin/dc/dc.1 @@ -1,4 +1,4 @@ -.\" $OpenBSD: dc.1,v 1.31 2017/11/28 06:51:19 otto Exp $ +.\" $OpenBSD: dc.1,v 1.32 2017/12/02 07:35:46 otto Exp $ .\" .\" Copyright (C) Caldera International Inc. 2001-2002. .\" All rights reserved. @@ -34,7 +34,7 @@ .\" .\" @(#)dc.1 8.1 (Berkeley) 6/6/93 .\" -.Dd $Mdocdate: November 28 2017 $ +.Dd $Mdocdate: December 2 2017 $ .Dt DC 1 .Os .Sh NAME @@ -245,7 +245,7 @@ Mark used by the operator. The .Ic M -operator is a non-portable extensions, used by the +operator is a non-portable extension, used by the .Xr bc 1 command. .It Ic N @@ -536,3 +536,8 @@ The current version of the .Nm utility was written by .An Otto Moerbeek . +.Sh CAVEATS +While fractional input in base 10 is always exact, +other bases may suffer from unintuitive rounding. +To avoid surprising results, plain integer division can be used +instead of the corresponding floating point notation. |