Dear mailing list, For a project I am working on speeding up a simulation in R by translating it to C++ (using inline and Rcpp). It is done and works fine on my windows 7 64bit R, but for some reason it is not working on my supervisors latest mac OSX (not sure of the version. should be up to date).
The strange thing is that it did work at first. It compiled and ran as expected. We then proceeded by changing a few things, resulting in the function not compiling anymore. When we then used exactly the same script as before it suddenly did not work anymore. I get these errors: Error in compileCode(f, code, language = language, verbose = verbose) : Compilation ERROR, function(s)/method(s) not created! file345af547.cpp: In function ‘SEXPREC* file345af547(SEXPREC*, SEXPREC*, SEXPREC*, SEXPREC*, SEXPREC*, SEXPREC*)’: file345af547.cpp:220: error: ISO C++ says that these are ambiguous, even though the worst conversion for the first is better than the worst conversion for the second: /Library/Frameworks/R.framework/Versions/2.13/Resources/library/Rcpp/include/Rcpp/sugar/operators/minus.h:421: note: candidate 1: Rcpp::sugar::Minus_Vector_Primitive<RTYPE, NA, T> operator-(const Rcpp::VectorBase<RTYPE, NA, VECTOR>&, typename Rcpp::traits::storage_type<RTYPE>::type) [with int RTYPE = 14, bool NA = true, T = Rcpp::Vector<14>] file345af547.cpp:220: note: candidate 2: operator-(SEXPREC*, int) <built-in> file345af547.cpp:646: error: ISO C++ says that these are ambiguous, even though the worst conversion for the first is better than the worst conversion for the second: /Library/Frameworks/R.framework/Versions/2.13/Resources/librar In addition: Warning message: running command '/Library/Frameworks/R.framework/Resources/bin/R CMD SHLIB file345af547.cpp 2> file345af547.cpp.err.txt' had status 1 With relevant lines: 220 : Demoplayers = Demoplayers - 1; 646 : leeftijd = leeftijd + 1; Demoplayers and leeftijd are both NumericVectors. Does anyone know if there is a common bug on MacOSX that for some reason makes the inline compiler not work anymore? The cxxfunction example works fine though. Best, Sacha
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