Hi Kevin, Great! . Problem fixed now. Thanks a lot.
Regards Bharath On Thu, Feb 14, 2013 at 2:33 AM, Kevin Ushey <kevinus...@gmail.com> wrote: > Could it be because the file extension is .c rather than the expected > .cpp? Compiling the code runs fine for me when the file extension is .cpp, > but I get the same errors as you with the file extension as .c . > > -Kevin > > On Wed, Feb 13, 2013 at 11:15 PM, Bharath Govindarajan < > bharath.qu...@gmail.com> wrote: > >> Hi, >> >> At the outset I would like to thank the developers of rcpp for this >> wonderful tool. My question >> is elementary but I am posting it here only because on stack exchange I >> see Dirk suggesting that >> this is a better place to get replies. >> >> Thanks again >> Bharath >> >> >> >> Places I searched so far : >> ------------------------------------- >> google , stack exchange : >> " rcpp compilation error __attribute__ " >> " rcpp Reference.h:25 error" >> " rcpp asm error" >> >> >> >> > version >> _ >> platform x86_64-unknown-linux-gnu >> arch x86_64 >> os linux-gnu >> system x86_64, linux-gnu >> status >> major 2 >> minor 15.1 >> year 2012 >> month 06 >> day 22 >> svn rev 59600 >> language R >> version.string R version 2.15.1 (2012-06-22) >> nickname Roasted Marshmallows >> >> Description of problem: >> -------------------------------- >> I tried a very simple example from Hadley Wickham's website and it worked >> https://github.com/hadley/devtools/wiki/Rcpp >> >> cppFunction(' >> double sumC(NumericVector x) { >> int n = x.size(); >> double total = 0; >> for(int i = 0; i < n; ++i) { >> total += x[i]; >> } >> return total; >> } >> ') >> >> Then I try an example written in a c source file from >> http://dirk.eddelbuettel.com/blog/2012/11/14/ >> and source it and get compilation errors >> >> test1.c >> ------ >> #include <Rcpp.h> >> >> // [[Rcpp::export]] >> Rcpp::DataFrame mypnorm(Rcpp::NumericVector x) { >> int n = x.size(); >> Rcpp::NumericVector y1(n), y2(n), y3(n); >> >> for (int i=0; i<n; i++) { >> >> // the way we used to do this >> y1[i] = ::Rf_pnorm5(x[i], 0.0, 1.0, 1, 0); >> >> // the way we can do it now >> y2[i] = R::pnorm(x[i], 0.0, 1.0, 1, 0); >> >> } >> // or using Rcpp sugar in one go >> y3 = Rcpp::pnorm(x); >> >> return Rcpp::DataFrame::create(Rcpp::Named("Rold") = y1, >> Rcpp::Named("Rnew") = y2, >> Rcpp::Named("sugar") = y3); >> } >> >> commands: >> --------- >> sourceCpp(LIB.PATH %+% "test1.c",verbose=TRUE) >> >> Error: >> ------ >> >> R/x86_64-unknown-linux-gnu-library/2.15/Rcpp/include/Rcpp/internal/wrap_end.h:25: >> error: expected '=', ',', ';', 'asm' or '__attribute__' before 'Rcpp' >> In file included from >> R/x86_64-unknown-linux-gnu-library/2.15/Rcpp/include/Rcpp/api/meat/meat.h:25, >> from >> R/x86_64-unknown-linux-gnu-library/2.15/Rcpp/include/Rcpp.h:81, >> from test1.c:1: >> R/x86_64-unknown-linux-gnu-library/2.15/Rcpp/include/Rcpp/api/meat/RObject.h:25: >> error: expected '=', ',', ';', 'asm' or '__attribute__' before 'Rcpp' >> In file included from >> R/x86_64-unknown-linux-gnu-library/2.15/Rcpp/include/Rcpp/api/meat/meat.h:26, >> from >> R/x86_64-unknown-linux-gnu-library/2.15/Rcpp/include/Rcpp.h:81, >> from test1.c:1: >> R/x86_64-unknown-linux-gnu-library/2.15/Rcpp/include/Rcpp/api/meat/Environment.h:25: >> error: expected '=', ',', ';', 'asm' or '__attribute__' before 'Rcpp' >> In file included from >> R/x86_64-unknown-linux-gnu-library/2.15/Rcpp/include/Rcpp/api/meat/meat.h:27, >> from >> R/x86_64-unknown-linux-gnu-library/2.15/Rcpp/include/Rcpp.h:81, >> from test1.c:1: >> R/x86_64-unknown-linux-gnu-library/2.15/Rcpp/include/Rcpp/api/meat/DottedPair.h:25: >> error: expected '=', ',', ';', 'asm' or '__attribute__' before 'Rcpp' >> In file included from >> R/x86_64-unknown-linux-gnu-library/2.15/Rcpp/include/Rcpp/api/meat/meat.h:28, >> from >> R/x86_64-unknown-linux-gnu-library/2.15/Rcpp/include/Rcpp.h:81, >> from test1.c:1: >> R/x86_64-unknown-linux-gnu-library/2.15/Rcpp/include/Rcpp/api/meat/Vector.h:25: >> error: expected '=', ',', ';', 'asm' or '__attribute__' before 'Rcpp' >> In file included from >> R/x86_64-unknown-linux-gnu-library/2.15/Rcpp/include/Rcpp/api/meat/meat.h:29, >> from >> R/x86_64-unknown-linux-gnu-library/2.15/Rcpp/include/Rcpp.h:81, >> from test1.c:1: >> R/x86_64-unknown-linux-gnu-library/2.15/Rcpp/include/Rcpp/api/meat/Matrix.h:25: >> error: expected '=', ',', ';', 'asm' or '__attribute__' before 'Rcpp' >> In file included from >> R/x86_64-unknown-linux-gnu-library/2.15/Rcpp/include/Rcpp/api/meat/meat.h:30, >> from >> R/x86_64-unknown-linux-gnu-library/2.15/Rcpp/include/Rcpp.h:81, >> from test1.c:1: >> R/x86_64-unknown-linux-gnu-library/2.15/Rcpp/include/Rcpp/api/meat/Reference.h:25: >> error: expected '=', ',', ';', 'asm' or '__attribute__' before 'Rcpp' >> test1.c:4: error: expected '=', ',', ';', 'asm' or '__attribute__' before >> ':' token >> test1.c:28: error: expected identifier or '(' before string constant >> make: *** [test1.o] Error 1 >> Error in sourceCpp(LIB.PATH %+% "test1.c", verbose = TRUE) : >> Error 1 occurred building shared library. >> >> >> >> _______________________________________________ >> Rcpp-devel mailing list >> Rcpp-devel@lists.r-forge.r-project.org >> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel >> > >
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