Re: [Rcpp-devel] A strange question while using Rcpp

2014-01-19 Thread 晔张
Hello, everyone. I guess the probrem maybe occur because of sourceCpp(), so I have made another test. I make a simple package using RcppArmadillo.package.skeletion(). But the same problem appear. My code is on Github: https://github.com/ZhangYet/RcppTest Is there anything related to my compiler or

Re: [Rcpp-devel] A strange question while using Rcpp

2014-01-19 Thread Romain Francois
Hello, This stands out double U; for(int i=0; i(X); NumericVector y = as(Y); … } by things like this: //[[Rcpp::export]] double mydcov(NumericVector x, NumericVector y){ … } Romain Le 19 janv. 2014 à 14:09, 晔张 a écrit : > Hello, everyone. > I guess the probrem maybe occur be

Re: [Rcpp-devel] A strange question while using Rcpp

2014-01-19 Thread 晔张
Thank you, Romain! There are several double variables which I didn't init in my code. It's all right, now. On Sun, Jan 19, 2014 at 9:42 PM, Romain Francois wrote: > Hello, > > This stands out > > double U; > for(int i=0; i for(int j=0; j U = U + A_kl(i,j) * B_kl(i,j)/n/n ; > } > } > U = sq