formatReal()-bug (or Is there anybody out there w/o IEEE754?)
Peter Dalgaard BSA
13 Oct 1999 17:17:53 +0200
Thomas Hoffmann <email@example.com> writes:
> On a system with IEEE_754 undefined, I run into an bug, when the value
> of an element of the first argument (e.g., x) of formatReal() is NA:
> 1. (format.c:235) if (!R_FINITE ..) gives nanflag=1 (!naflag remains 0)
> 2. (format.c:272..288) *m gets an value of -2147483643 (from the format
> fiddling, should not matter to us)
> 3. (format.c:289) because naflag is zero, m does not get the value of
> R_print.na_width and we get back the unbelievable value
> from 2.
> This crashes R in commands as
If a system isn't IEEE, it might not know about NaN either, so I
suspect that one wants naflag = 1 rather than nanflag = 1.
Could you try it and report back?
O__ ---- Peter Dalgaard Blegdamsvej 3
c/ /'_ --- Dept. of Biostatistics 2200 Cph. N
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
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