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   comp.compilers      Compiler construction, theory, etc. (Mod      2,753 messages   

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   Message 2,685 of 2,753   
   Hans-Peter Diettrich to All   
   Re: C arithmetic, was Software proofs, w   
   07 Feb 23 14:31:26   
   
   From: DrDiettrich1@netscape.net   
      
   On 2/6/23 10:26 PM, gah4 wrote:   
      
   > Too bad for those CDC computers, and Unisys computers.   
   > Last I know of sign-magnitude is the IBM 7090 and 7094.   
      
   AFAIK use IEEE-754 floating point numbers still sign-magnitude   
   representation.   
   Then the same representation of integral numbers may have advantages in   
   computations.   
      
   DoDi   
   [I presume the sign-magnitude is to enable the hidden bit trick,   
   which doesn't apply in unscaled integers. -John]   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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