From: ldo@nz.invalid   
      
   On Sun, 12 Oct 2025 04:04:46 -0000 (UTC), John Savard wrote:   
      
   > On Sat, 11 Oct 2025 10:32:22 +0000, Thomas Koenig wrote:   
   >   
   >> Just found a gem on Cray arithmetic, which (rightly) incurred The Wrath   
   >> of Kahan:   
   >   
   > While the arithmetic on the Cray I was bad enough, this document seems   
   > to focus on some later models in the Cray line, which, like the IBM   
   > System/ 360 when it first came out, before an urgent retrofit, lacked a   
   > guard digit!   
      
   The concluding part of that article had a postscript which said that,   
   while Cray accepted the importance of fixing the deficiencies in future   
   models, there would be no retrofit to existing ones.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)