Date: Wed, 15 Apr 1998 11:06:08 +0300 (IDT)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
To: Albert Bae <jwbae AT e-z DOT net>
cc: djgpp AT delorie DOT com
Subject: Re: Significant Digits
In-Reply-To: <35338A5C.D17E22CA@e-z.net>
Message-ID: <Pine.SUN.3.91.980415110436.7293N-100000@is>
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On Tue, 14 Apr 1998, Albert Bae wrote:

>    I am making a program that needs high precision because it has to
> numerically integrate a function twice.  I beleive that the double data
> type only gives 7 significant figures.

This is incorrect.  Double variables have 15 significant digits.  You can 
always tell how much by looking at the definition of DBL_DIG in the 
<float.h> header.