[rescue] Another fine business decision for us axp-lovers

Scott Newell rescue at sunhelp.org
Mon Jun 25 19:13:49 CDT 2001

>I believe that Intel uses 80bits internally to prevent rounding errors,
>but only presents a 64 interface.  I think.  I don't really know or care

Nope, you can get all 80 external as well.

>If they really are 80bit viewable to the program, then MS is being really
>stupid if they don't support it.  That would be a significant edge to use
>against other competitor for users who do scientific computing.

I don't have a MS compiler handy, but Borland 5.something shows:
	sizeof(float) as 4
	sizeof(double) as 8
	sizeof(long double) as 10

Here's an interview with Dr. William Kahan that you might find interesting:


One of his papers with some interesting comments on Java, numerics, and the
inferior numeric precision of RISC chips:



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