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Re: Kahan's Floating Point Test
- To: geoffk at geoffk dot org, tprince at computer dot org
- Subject: Re: Kahan's Floating Point Test
- From: dewar at gnat dot com
- Date: Thu, 31 May 2001 20:25:40 -0400 (EDT)
- Cc: gcc at gcc dot gnu dot org
<<Even those (old) PowerPC architectures where all computations are done
in double precision should have single-precision IEEE arithmetic fully
supported in GCC; GCC will add appropriate rounding instructions when
necessary.
>>
That's not quite good enough, due to double rounding phenomena