[Rcpp-devel] 来自lxh的邮件

[lxh]

Hi,

#########################################
> Rcpp::sourceCpp('armaPRI.cpp')

Error in inDL(x, as.logical(local), as.logical(now), ...) : 
unable to load shared object 'C:/Users/lxh/AppData/Local/Temp/RtmpeenRl8/sourcecpp_27081dce2d4b/sourceCpp_77404.dll':
LoadLibrary failure: The specified module could not be found. 
I get this when trying to use RcppArmadillo with my princomp computation program(armaPRI.cpp). I am sure that i have missed something which results above error message, but i have no idea about that. 
By the way, the program eigentrans.cpp which uses the RcppEigen package works well.

The Rtools path and the R bin path are already added to my Enviroment Path:
#############################################################
c:\Rtools\gcc-4.6.3\bin;c:\Rtools\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\MiKTeX 2.9\miktex\bin\;C:\Python27;C:\Python27\DLLs;C:\Python27\Scripts;C:\Program Files\ATI Technologies\ATI.ACE\Core-Static;C:\TDM-GCC-32\bin;C:\R-3.1.3\bin;D:\Program Files\RStudio\bin\pandoc
###########################################################################################
armaPRI.cpp
###########################################################################################
// [[Rcpp::depends(RcppArmadillo)]]
#include <RcppArmadillo.h>
using namespace arma;
using namespace Rcpp;
// [[Rcpp::export]]
int PRINCOMP(){
mat A = randu<mat>(5,4);
mat coeff; 
mat score;
vec latent;
vec tsquared;
princomp(coeff, score, latent, tsquared, A);
Rcout<<coeff<<endl;
return 0;
}
#####################################################################################################
>>eigentrans.cpp
#####################################################################################################
// [[Rcpp::depends(RcppEigen)]]
#include <RcppEigen.h>
using namespace Rcpp;
//[[Rcpp::export]]
List trans(NumericMatrix& AA,NumericMatrix& BB) {
const Eigen::MatrixXd A(as<Eigen::MatrixXd>(AA));
const Eigen::MatrixXd B(as<Eigen::MatrixXd>(BB));
Eigen::MatrixXd m(A.cwiseProduct(B));
Eigen::MatrixXd n(A.array().sin());
return List::create(Named("A")=A,Named("B")=B,Named("m")=m,Named("n")=n);
}
################################################################################################## 
> sessionInfo()
R version 3.1.3 (2015-03-09)
Platform: i386-w64-mingw32/i386 (32-bit)
Running under: Windows 7 (build 7601) Service Pack 1

locale:
[1] LC_COLLATE=Chinese (Simplified)_People's Republic of China.936 
[2] LC_CTYPE=Chinese (Simplified)_People's Republic of China.936 
[3] LC_MONETARY=Chinese (Simplified)_People's Republic of China.936
[4] LC_NUMERIC=C 
[5] LC_TIME=Chinese (Simplified)_People's Republic of China.936 

attached base packages:
[1] stats graphics grDevices utils datasets methods base 

other attached packages:
[1] Rcpp_0.11.5

loaded via a namespace (and not attached):
[1] RcppArmadillo_0.4.650.1.1 tools_3.1.3 

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