Problema resolvido.
code <- '
using namespace std;
std::vector<double> volumes() {
std::vector<double> v(5);
v[0] = GSL_CONST_MKSA_US_GALLON; // 1 US gallon
v[1] = GSL_CONST_MKSA_CANADIAN_GALLON; // 1 Canadian gallon
v[2] = GSL_CONST_MKSA_UK_GALLON; // 1 UK gallon
v[3] = GSL_CONST_MKSA_QUART; // 1 quart
v[4] = GSL_CONST_MKSA_PINT; // 1 pint
return v;
}'
gslVolumes <- cppFunction(code, depends="RcppGSL",includes="#include
<gsl/gsl_const_mksa.h>")
gslVolumes()
Em 19/10/2013, às 17:46, Carlos Trucios Maza <[email protected]> escreveu:
> Pessoal boa tarde,
>
> Estou tentando reproducir um código do livro sobre Rcpp e não estou
> conseguindo. Alguém tem alguma ideia de porque não funciona?
> (Trabalho com OS X 10.8.4).
>
>
> code <- '
> #include <gsL/gsl_const_mksa.h> // decl of constants
> std::vector<double> volumes() {
> std::vector<double> v(5);
> v[0] = GSL_CONST_MKSA_US_GALLON; // 1 US gallon
> v[1] = GSL_CONST_MKSA_CANADIAN_GALLON; // 1 Canadian gallon
> v[2] = GSL_CONST_MKSA_UK_GALLON; // 1 UK gallon
> v[3] = GSL_CONST_MKSA_QUART; // 1 quart
> v[4] = GSL_CONST_MKSA_PINT; // 1 pint
> return v;
> }'
>
> gslVolumes <- cppFunction(code, depends="RcppGSL")
>
> mas aparece o seguinte erro
>
> file16e2b6cb966.cpp: In function ‘SEXPREC* sourceCpp_52966_volumes()’:
> file16e2b6cb966.cpp:30: error: ‘__result’ was not declared in this scope
> make: *** [file16e2b6cb966.o] Error 1
> llvm-g++-4.2 -arch x86_64 -I/Library/Frameworks/R.framework/Resources/include
> -DNDEBUG -I/usr/local/include
> -I/Library/Frameworks/R.framework/Versions/3.0/Resources/library/Rcpp/include
> -I/usr/local/include
> -I"/Library/Frameworks/R.framework/Versions/3.0/Resources/library/Rcpp/include"
>
> -I"/Library/Frameworks/R.framework/Versions/3.0/Resources/library/RcppGSL/include"
> -fPIC -mtune=core2 -g -O2 -c file16e2b6cb966.cpp -o file16e2b6cb966.o
> Erro em sourceCpp(code = code, env = env, rebuild = rebuild, showOutput =
> showOutput, :
> Error 1 occurred building shared library.
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