Floating point problems (accuracy).
Toon Moene
toon@moene.indiv.nluug.nl
Wed Jan 19 00:08:00 GMT 2005
James E Wilson wrote:
> The only way to avoid double rounding is to have separate float, double,
> and long double arithmetic instructions, which unfortunately the x87 FP
> unit doesn't have.
And, to add some history - which Jim will know, doubtlessly - the m68k
gcc port added the separate float and double arithmetic instructions as
soon as they became available (in the Motorola 68040 processor).
--
Toon Moene - e-mail: toon@moene.indiv.nluug.nl - phone: +31 346 214290
Saturnushof 14, 3738 XG Maartensdijk, The Netherlands
Maintainer, GNU Fortran 77: http://gcc.gnu.org/onlinedocs/g77_news.html
A maintainer of GNU Fortran 95: http://gcc.gnu.org/fortran/
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