Date: Mon, 30 Apr 2001 17:08:08 +0300 (IDT)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
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To: Rafal Maj <maj_rafal AT poczta DOT onet DOT pl>
cc: djgpp AT delorie DOT com
Subject: Re: Iostream question
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On Mon, 30 Apr 2001, Rafal Maj wrote:

> following code :
>   long double r =
> 3.1415012345678901111112222233333444445555666677777888899999000012345;
>   cerr << setprecision(999) << r;
> displays in cerr only : 3.1415012345678903
> How to display (or write to file) long double with full precision using
> iostream ?

Try using 19 instead of 999.  19 digits is what you get from a long 
double in DJGPP; perhaps setprecision ignores ridiculous arguments such 
as 999.