Recent questions tagged rcpp

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rcpp - Calling 'mypackage' function within public worker

I know the problem I have is a thread-safety issue. As the code I have now will execute with ' ... registration = TRUE) export(Parallelfunc) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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rcpp - When does using RNGScope make a difference?

In Rcpp documentation, I often find the recommendation to place Rcpp::RNGScope scope; before using random draws within ... 'm sorry for asking. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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rcpp - Converting an Armadillo Matrix to an Eigen MatriXd and vice versa

How can I convert from an Armadillo Matrix to an Eigen MatrixXd and vice versa? I have nu as an arma::vec ... can I do this operation faster. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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394 views

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rcpp - Converting an Armadillo Matrix to an Eigen MatriXd and vice versa

How can I convert from an Armadillo Matrix to an Eigen MatrixXd and vice versa? I have nu as an arma::vec ... can I do this operation faster. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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440 views

1 answer

rcpp - Converting an Armadillo Matrix to an Eigen MatriXd and vice versa

How can I convert from an Armadillo Matrix to an Eigen MatrixXd and vice versa? I have nu as an arma::vec ... can I do this operation faster. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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477 views

1 answer

rcpp - Converting an Armadillo Matrix to an Eigen MatriXd and vice versa

How can I convert from an Armadillo Matrix to an Eigen MatrixXd and vice versa? I have nu as an arma::vec ... can I do this operation faster. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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287 views

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rcpp - Stack imbalance with RcppParallel

I wrote the following code to train myself to use RcppParallel. It is just a toy example. // [[Rcpp:: ... groumf); return groumf.output; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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275 views

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rcpp - Initialize a variable with different type based on a switch statement

I am developing some functions in Rcpp that operate on big.matrix objects from the bigmemory package. These objects ... Is there a better way? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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