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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>I have been trying to experiment with Rcpp as it looks like it could be an excellent tool. However, I am unable to get your Finding Pi example (<a href="http://dirk.eddelbuettel.com/blog/2012/11/20/#rcpp_attributes_pi_example">http://dirk.eddelbuettel.com/blog/2012/11/20/#rcpp_attributes_pi_example</a> ) to work.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have the C++ file and the R script, but sourceCpp fails. When I set showOutput and verbose to be TRUE then I get the following message. Looking through the message, it appears that the g++ command line does not have one of the parameters in quotes (highlighted in green) which is why it might be interpreted as two (missing) parameters.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>It is beyond my limited knowledge whether this is a bug or a problem with the configuration of my system, details of which are attached.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>If you have any suggestions on how to fix this, so that I can go on and use Rcpp, then I would be grateful.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Best regards<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Charles Cara<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:blue;background:#E1E2E5;mso-fareast-language:EN-GB'>sourceCpp("src/piSugar.cpp", showOutput=TRUE, verbose=TRUE)<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'>Generated extern "C" functions <o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'>--------------------------------------------------------<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'>#include <Rcpp.h><o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span lang=FR style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'>RcppExport SEXP sourceCpp_49731_piSugar(SEXP NSEXP) {<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'>BEGIN_RCPP<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'> Rcpp::RNGScope __rngScope;<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'> int N = Rcpp::as<int >(NSEXP);<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'> double __result = piSugar(N);<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'> return Rcpp::wrap(__result);<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'>END_RCPP<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'>}<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'>Generated R functions <o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'>-------------------------------------------------------<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'>`.sourceCpp_49731_DLLInfo` <- dyn.load('C:/Users/charlesc/AppData/Local/Temp/RtmpO2NWdT/sourcecpp_16e8276073a/sourceCpp_69065.dll')<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'>piSugar <- Rcpp:::sourceCppFunction(function(N) {}, `.sourceCpp_49731_DLLInfo`, 'sourceCpp_49731_piSugar')<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'>rm(`.sourceCpp_49731_DLLInfo`)<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'>Building shared library<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'>--------------------------------------------------------<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'>DIR: C:/Users/charlesc/AppData/Local/Temp/RtmpO2NWdT/sourcecpp_16e8276073a<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'>C:/PROGRA~1/R/R-215~1.1/bin/i386/R CMD SHLIB -o "sourceCpp_69065.dll" "piSugar.cpp" <o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'>g++ -I"C:/PROGRA~1/R/R-215~1.1/include" -DNDEBUG -I"C:/Program Files/R/R-2.15.1/library/Rcpp/include" -I"H:/Quantitative Strategy/R Working folder/3rd party examples/Rcpp and Pi/src" -I"C:/Program Files/R/R-2.15.1/library/Rcpp/include" -I"H:/Quantitative Strategy/R Working folder/3rd party examples/Rcpp and Pi/src/../inst/include" -O2 -Wall -mtune=core2 -c piSugar.cpp -o piSugar.o<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'>g++ -shared -s -static-libgcc -o sourceCpp_69065.dll tmp.def piSugar.o </span><span style='font-size:10.0pt;font-family:"Lucida Console";color:#00B050;background:#E1E2E5;mso-fareast-language:EN-GB'>C:/Program Files/R/R-2.15.1/library/Rcpp/lib/i386/libRcpp.a</span><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'> -LC:/PROGRA~1/R/R-215~1.1/bin/i386 -lR<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'>g++.exe: error: C:/Program: No such file or directory<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'>g++.exe: error: Files/R/R-2.15.1/library/Rcpp/lib/i386/libRcpp.a: No such file or directory<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:#C5060B;background:#E1E2E5;mso-fareast-language:EN-GB'>Error in inDL(x, as.logical(local), as.logical(now), ...) : <o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:#C5060B;background:#E1E2E5;mso-fareast-language:EN-GB'> unable to load shared object 'C:/Users/charlesc/AppData/Local/Temp/RtmpO2NWdT/sourcecpp_16e8276073a/sourceCpp_69065.dll':<o:p></o:p></span></p><p class=MsoNormal style='margin-left:36.0pt'><span style='font-size:10.0pt;font-family:"Lucida Console";color:#C5060B;background:#E1E2E5;mso-fareast-language:EN-GB'> LoadLibrary failure: The specified module could not be found.</span><span style='font-size:10.0pt;font-family:"Lucida Console";color:black;background:#E1E2E5;mso-fareast-language:EN-GB'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US style='mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";mso-fareast-language:EN-GB'> </span><span lang=EN-US style='mso-fareast-language:EN-GB'> <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:gray;mso-fareast-language:EN-GB'>Charles Cara<br>Absolute Strategy Research Ltd.<br>1st Floor<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:gray;mso-fareast-language:EN-GB'>1-2 Royal Exchange Buildings,<br>London, EC3V 3LF<br><br>+44 207-073-0738 (direct line)<br>+44 207-073-0732 (fax)</span><span style='color:gray;mso-fareast-language:EN-GB'> <br></span><span 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