Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!shadooby!accuvax.nwu.edu!tank!mimsy!chris
From: chris@mimsy.UUCP (Chris Torek)
Newsgroups: comp.lang.c
Subject: Re: Help needed to round-off a number
Message-ID: <17637@mimsy.UUCP>
Date: 20 May 89 05:46:56 GMT
References: <2666@oregon.uoregon.edu>
Organization: U of Maryland, Dept. of Computer Science, Coll. Pk., MD 20742
Lines: 13

In article <2666@oregon.uoregon.edu> michelbi@oregon.uoregon.edu
(Michel Biedermann) writes:
>Is there a C function (user defined or primitive (?)) that will let me
>truncate or round-off a number UP TO a certain decimal place.  For example
>transforming .567 into .6 or -1.502 into -1.5.

In the proposed ANSI C standard, printf is defined as rounding when
given a floating point format with a particular precision.  Both of
these results will be obtained with a `%.1f' printf format (assuming
a Unix or pANS-conformant printf).
-- 
In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 7163)
Domain:	chris@mimsy.umd.edu	Path:	uunet!mimsy!chris