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| // testing the possibility to use a parallel version of the bootstrap | ||
| // WARNING: compilation error on Mac OS X | ||
| // | ||
| // // [[Rcpp::plugins(openmp)]] | ||
| // #include <omp.h> | ||
| // | ||
| // // [[Rcpp::export]] | ||
| // NumericVector RHO_BOOT_Cpp_Parallel(NumericVector x, int B, int num_threads = 2) { | ||
| // int n = x.length(); | ||
| // NumericVector s_temp(B); | ||
| // | ||
| // // Set the number of threads (optional, default is usually the number of cores) | ||
| // if(num_threads > 1 & num_threads <= omp_get_max_threads()){ | ||
| // omp_set_num_threads(num_threads); | ||
| // }else{ | ||
| // num_threads = 1; | ||
| // } | ||
| // | ||
| // #pragma omp parallel num_threads(num_threads) | ||
| // { | ||
| // // Each thread needs its own RNG | ||
| // RNGScope scope; | ||
| // | ||
| // #pragma omp for | ||
| // for(int i = 0; i < B; i++) { | ||
| // // simplified version for testing, to update using the correct do while loop | ||
| // NumericVector xb = RcppArmadillo::sample(x, n, true); | ||
| // s_temp[i] = RHO_Cpp(xb)[0]; | ||
| // } | ||
| // } | ||
| // | ||
| // return s_temp; | ||
| // } | ||
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| // #include <omp.h> | ||
| // | ||
| // // Placeholder for the RHO_Cpp function, which you need to provide | ||
| // NumericVector RHO_Cpp(NumericVector x); | ||
| // | ||
| // // [[Rcpp::export]] | ||
| // NumericVector RHO_BOOT_Cpp_Parallel(NumericVector x, int B, int threads = 0) { | ||
| // int n = x.length(); | ||
| // NumericVector s_temp(B); | ||
| // | ||
| // // Set the number of threads (optional, default is usually the number of cores) | ||
| // if(threads > 0 & threads <= omp_get_max_threads()){ | ||
| // omp_set_num_threads(threads); | ||
| // }else{ | ||
| // omp_set_num_threads(1); | ||
| // } | ||
| // | ||
| // #pragma omp parallel for | ||
| // for(int i = 0; i < B; i++) { | ||
| // NumericVector xb = RcppArmadillo::sample(x, n, true); | ||
| // s_temp[i] = RHO_Cpp(xb)[0]; | ||
| // } | ||
| // | ||
| // return s_temp; | ||
| // } |
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