Try; require(Rcpp) require(inline)
check2 <- cxxfunction(signature(arg1 = "numeric", arg2 = "numeric"), ' NumericVector q(arg1); double mean = as<double>(arg2); double sd = 1.0; return wrap(qnorm(q, mean, sd)); ', plugin = "Rcpp") output; > check2 <- cxxfunction(signature(arg1 = "numeric", arg2 = "numeric"), ' + NumericVector q(arg1); + double mean = as<double>(arg2); + double sd = 1.0; + + return wrap(qnorm(q, mean, sd)); + ', plugin = "Rcpp") > check2(0.5, 0.5) [1] 0.5 On Mon, Sep 10, 2012 at 4:35 PM, Dirk Eddelbuettel <e...@debian.org> wrote: > > On 10 September 2012 at 10:23, Rodney Sparapani wrote: > | On 09/07/2012 12:19 PM, Dirk Eddelbuettel wrote: > | > Make that Rcpp::NumericVector a = Rcpp::NumericVector(arg1); and > things > | > will just work. > | > > | > Would be nice if the compiler messahes could be more helpful... All > sugar > | > functions are vectorised, so you must feed them a vector (which, as we > work > | > with R, may well be of length 1 if you so choose....) > | > > | > Dirk > | > | Thank you Dirk! But, I seem to keep messing this up. Could you take a > | look at this? > > Please look at the two emails I sent in this thread on Sep 7. > > Dirk > > | > | require(Rcpp) > | require(inline) > | > | str <- ' > | double x=as<double>(qnorm(as<NumericVector>(arg1), > | as<NumericVector>(arg2), as<NumericVector>(1.))[0]); > | return wrap(x); > | ' > | > | check2 <- cxxfunction(signature(arg1="numeric", arg2="numeric"), str, > | plugin="Rcpp") > | > | check2(0.5, 0.5) > | > | ... > | > | 31: double x=as<double>(qnorm(as<NumericVector>(arg1), > | as<NumericVector>(arg2), as<NumericVector>(1.))[0]); > | 32: return wrap(x); > | 33: > | 34: END_RCPP > | 35: } > | 36: > | 37: > | Error in compileCode(f, code, language = language, verbose = verbose) : > | Compilation ERROR, function(s)/method(s) not created! > | file1a785d3ff187.cpp: In function 'SEXPREC* file1a785d3ff187(SEXPREC*, > | SEXPREC*)': > | file1a785d3ff187.cpp:31: error: no matching function for call to > | 'as(double)' > | make: *** [file1a785d3ff187.o] Error 1 > | In addition: Warning message: > | running command '/opt/local/lib64/R/bin/R CMD SHLIB file1a785d3ff187.cpp > | 2> file1a785d3ff187.cpp.err.txt' had status 1 > | > | -- > | Rodney Sparapani, PhD Center for Patient Care and Outcomes Research > | Sr. Biostatistician http://www.mcw.edu/pcor > | 4 wheels good, 2 wheels better! Medical College of Wisconsin (MCW) > | WWLD?: What Would Lombardi Do? Milwaukee, WI, USA > > -- > Dirk Eddelbuettel | e...@debian.org | http://dirk.eddelbuettel.com > _______________________________________________ > 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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