From:	gfoot AT mc31 DOT merton DOT ox DOT ac DOT uk (George Foot)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Floating Point???
Date:	5 Mar 1997 02:54:29 GMT
Organization:	Oxford University
Lines:	21
Message-ID:	<5fin95$f8@news.ox.ac.uk>
References:	<4b5_9703051119 AT softtech DOT brisnet DOT org DOT au>
NNTP-Posting-Host:	mc31.merton.ox.ac.uk
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Ron T Lewis (ron DOT t DOT lewis AT softtech DOT brisnet DOT org DOT au) wrote:

: int main()
: {
: float a;
: a=4.00/5.00;
: printf("float = %.12f\n",a);
: return(1);
: }
: Ans = 0.800000011921

: The correct answer should be 0.800000000000 but he gets these extroneous 
: numbers tacked on the end???

`float' numbers aren't that accurate; use `double's instead. Replace `float'
with `double' throughout, and change `%.12f' to `%.12lf', and you should get
the right answer.

-- 
George Foot <gfoot AT mc31 DOT merton DOT ox DOT ac DOT uk>
Merton College, Oxford.

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