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Re: [Help-gsl] help needed on extended precision

From: Brian Gough
Subject: Re: [Help-gsl] help needed on extended precision
Date: Wed, 5 May 2004 17:14:20 +0100

Wilson Y. Zou writes:
 > I am trying to figure how I could use extended precision in my
 > program.  I have been testing the sample program after I set export
 > GSL_IEEE_MODE="extended-precision".  I am just wondering in order
 > to let this "extended precision" work, how do I define the data
 > type for "x", "oldsum" and "sum", - long double??
 > Also, I am a little bit worrying about the fact that I am using
 > Intel Pentium III processor, since I read some article that to
 > achieve the extended precision also depends on the machine.  Is
 > that true?

There is a lot of information in the paper by D.Goldberg, see the
reference in the IEEE Chapter of the GSL Manual.

Brian Gough

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