murdoch at stats.uwo.ca
2007-May-01 11:30 UTC
[Rd] integer constants given by hexadecimal notation (PR#9648)
On 01/05/2007 7:21 AM, Stephan wrote:> Hi, > >> 0x10L > returns: int 0 > > I would expect: int 16? > This happens with all integer constants given by hexadecimal notation. > It's a bug?Certainly looks like one; I've cc'd this to the bug list (but won't be able to look into fixing it). Duncan Murdoch> > >> sessionInfo() > R version 2.5.0 (2007-04-23) > i386-pc-mingw32 > > locale: > LC_COLLATE=German_Germany.1252;LC_CTYPE=German_Germany.1252;LC_MONETARY=German_Germany.1252;LC_NUMERIC=C;LC_TIME=German_Germany.1252 > > attached base packages: > [1] "stats" "graphics" "grDevices" "utils" "datasets" "methods" > [7] "base" > > > Stephan > > ______________________________________________ > R-devel at r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel
Peter Dalgaard
2007-May-01 12:04 UTC
[Rd] integer constants given by hexadecimal notation (PR#9648)
murdoch at stats.uwo.ca wrote:> On 01/05/2007 7:21 AM, Stephan wrote: > >> Hi, >> >> >>> 0x10L >>> >> returns: int 0 >> >> I would expect: int 16? >> This happens with all integer constants given by hexadecimal notation. >> It's a bug? >> > > Certainly looks like one; I've cc'd this to the bug list (but won't be > able to look into fixing it). > >Not happening on Fedora Linux: > 0x10L [1] 16 > str(0x10L) int 16
ripley at stats.ox.ac.uk
2007-May-01 12:19 UTC
[Rd] integer constants given by hexadecimal notation (PR#9648)
This works correctly on Linux. The problem is that the author assumed that atof handles hexadecimal, which it does for a C99 compiler but not apparently on MinGW. We have a workaround for this in mkFloat, and need to use that for the 'L' suffix case too. On Tue, 1 May 2007, murdoch at stats.uwo.ca wrote:> On 01/05/2007 7:21 AM, Stephan wrote: >> Hi, >> >>> 0x10L >> returns: int 0 >> >> I would expect: int 16? >> This happens with all integer constants given by hexadecimal notation. >> It's a bug? > > Certainly looks like one; I've cc'd this to the bug list (but won't be > able to look into fixing it). > > Duncan Murdoch > >> >> >>> sessionInfo() >> R version 2.5.0 (2007-04-23) >> i386-pc-mingw32 >> >> locale: >> LC_COLLATE=German_Germany.1252;LC_CTYPE=German_Germany.1252;LC_MONETARY=German_Germany.1252;LC_NUMERIC=C;LC_TIME=German_Germany.1252 >> >> attached base packages: >> [1] "stats" "graphics" "grDevices" "utils" "datasets" "methods" >> [7] "base" >> >> >> Stephan >> >> ______________________________________________ >> R-devel at r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-devel > > ______________________________________________ > R-devel at r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel >-- Brian D. Ripley, ripley at stats.ox.ac.uk Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595