as.numeric with trailing spaces (PR#213)

[Peter Dalgaard BSA]

John.Peters@tip.csiro.au writes:

> For R bugs:
> 
> "as.numeric" fails on strings with trailing spaces:
> (OK in Splus 3.4).
> 
> > as.numeric(c("2"," 3","4 "," 5 "))
> Warning: NAs introduced by coercion
> [1]  2  3 NA NA
> >
> 
> occurs in both "rw0641b" and "R-base-0.64.1-4-i386.rpm".

Could probably be argued that one deserves what one gets in that case,
but it'll be easier just to change it.... (*endp == '\0' after strtod
needs to check for blank-or-empty string instead).

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
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