Re: Number of significand bits in long double?

From: Stefan Farfeleder <stefan_at_fafoe.narf.at>
Date: Thu, 4 Aug 2005 20:02:31 +0200

On Thu, Aug 04, 2005 at 09:26:18AM -0700, Steve Kargl wrote:
> Can someone confirm or refute that the long double type
> has 53 bits in its significand on i386?  Which header 
> file in /usr/include provides this info?

The type long double has 64 mantissa bits, however we set the FPU to
53-bit precision to get double computations right.

Stefan

Received on Thu Aug 04 2005 - 16:02:36 UTC

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