[Rd] qbeta function (FYI, compiler bug)

[Peter Dalgaard BSA]

Morten Welinder <terra@diku.dk> writes:

>    > this is just to let you know that the qbeta function, which was
>    > copied from R into Gnumeric, has been confirmed to be miscompiled
>    > by gcc 2.96 on Linux.  (That's Red Hat's compiler.)
> 
>    Which version? The ones in RH 7.1 and later has seemed to be quite
>    solid [...]
> 
> The problem is seen with "gcc version 2.96 20000731 (Red Hat Linux 7.1
> 2.96-98)".  That would appear to be newer than yours.
> 
>    0.64 is 2.5 years old!  Several things have been fixed since then,
>    [...]
> 
> Ahem, :-)  I did look at some point and nothing much had changed.
> I've put it on my todo list to have a look.  (We might switch to
> GSL since that has more code that we would like to offload from
> our backs.  Also, the packing seems to be nicer.  On the other hand,
> I have no idea of how reliable it is.)

GSL doesn't seem to have the distribution functions. Lots of random
variable generation, but no pbeta/qbeta and friends. In general, the
support for statistical analysis is quite weak and strongly slanted
towards physics applications.

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk)             FAX: (+45) 35327907
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