[Openmcl-devel] Re: Probably a stupid question...

Christophe Rhodes csr21 at cam.ac.uk
Sat Aug 6 06:31:31 PDT 2005


Duncan Rose <duncan at robotcat.demon.co.uk> writes:

> LispWorks returns the same results as OpenMCL for me so I presume I'm 
> just overlooking something...

Consider what (read-from-string "1234561.984537") returns.  Then read
Goldberg, "What Every Computer Scientist Should Know About Floating
Point".  (Briefly, the rational number 1234561984537/1000000 is not
exactly representable as a IEEE single float)

Cheers,

Christophe




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