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Provides optimized functions and flexible combinatorial iterators implemented in C++ with 'Rcpp' for solving problems in combinatorics and computational mathematics. Utilizes parallel programming via 'RcppThread' for maximal performance. Also makes use of the RMatrix class from the 'RcppParallel' library. There are combination/permutation functions with constraint parameters that allow for generation of all results of a vector meeting specific criteria (e.g. generating integer partitions/compositions or finding all combinations such that the sum is between two bounds). Capable of generating specific combinations/permutations (e.g. retrieve only the nth lexicographical result) which sets up nicely for parallelization as well as random sampling. Gmp support permits exploration where the total number of results is large (e.g. comboSample(10000, 500, n = 4)). Additionally, there are several high performance number theoretic functions that are useful for problems common in computational mathematics. Some of these functions make use of the fast integer division library 'libdivide'. The primeSieve function is based on the segmented sieve of Eratosthenes implementation by Kim Walisch. It is also efficient for large numbers by using the cache friendly improvements originally developed by Tomás Oliveira. Finally, there is a prime counting function that implements Legendre's formula based on the work of Kim Walisch.

copied from cf-staging / r-rcppalgos
Type Size Name Uploaded Downloads Labels
conda 1.0 MB | linux-64/r-rcppalgos-2.6.0-r40hc82189e_0.tar.bz2  2 years and 9 months ago 2122 main
conda 1.1 MB | linux-64/r-rcppalgos-2.6.0-r41hc82189e_0.tar.bz2  2 years and 9 months ago 2128 main
conda 950.4 kB | osx-64/r-rcppalgos-2.5.3-r41hfbe6f5e_0.tar.bz2  3 years and 2 months ago 78 main
conda 962.7 kB | osx-64/r-rcppalgos-2.5.3-r40hfbe6f5e_0.tar.bz2  3 years and 2 months ago 81 main
conda 920.2 kB | linux-64/r-rcppalgos-2.5.3-r40hc82189e_0.tar.bz2  3 years and 2 months ago 2319 main
conda 903.6 kB | linux-64/r-rcppalgos-2.5.3-r41hc82189e_0.tar.bz2  3 years and 2 months ago 2354 main
conda 952.0 kB | osx-64/r-rcppalgos-2.5.0-r40hfbe6f5e_0.tar.bz2  3 years and 2 months ago 83 main
conda 958.0 kB | osx-64/r-rcppalgos-2.5.0-r41hfbe6f5e_0.tar.bz2  3 years and 2 months ago 79 main
conda 911.5 kB | linux-64/r-rcppalgos-2.5.0-r41hc82189e_0.tar.bz2  3 years and 2 months ago 2333 main
conda 940.3 kB | linux-64/r-rcppalgos-2.5.0-r40hc82189e_0.tar.bz2  3 years and 2 months ago 2328 main
conda 877.5 kB | osx-64/r-rcppalgos-2.4.3-r40hb950449_0.tar.bz2  4 years and 11 days ago 130 main
conda 892.1 kB | osx-64/r-rcppalgos-2.4.3-r41hb950449_0.tar.bz2  4 years and 11 days ago 133 main
conda 967.5 kB | linux-64/r-rcppalgos-2.4.3-r40h11f65c2_0.tar.bz2  4 years and 11 days ago 2621 main
conda 959.1 kB | linux-64/r-rcppalgos-2.4.3-r41h11f65c2_0.tar.bz2  4 years and 11 days ago 2598 main
conda 896.8 kB | osx-64/r-rcppalgos-2.4.1-r40hb950449_1.tar.bz2  4 years and 15 days ago 125 main
conda 889.3 kB | osx-64/r-rcppalgos-2.4.1-r41hb950449_1.tar.bz2  4 years and 15 days ago 135 main
conda 940.7 kB | linux-64/r-rcppalgos-2.4.1-r41h11f65c2_1.tar.bz2  4 years and 15 days ago 2584 main
conda 960.1 kB | linux-64/r-rcppalgos-2.4.1-r40h11f65c2_1.tar.bz2  4 years and 15 days ago 2634 main
conda 916.6 kB | osx-64/r-rcppalgos-2.4.1-r40h33c12bb_1.tar.bz2  5 years and 30 days ago 329 main
conda 912.2 kB | osx-64/r-rcppalgos-2.4.1-r36h33c12bb_1.tar.bz2  5 years and 30 days ago 322 main
conda 931.9 kB | linux-64/r-rcppalgos-2.4.1-r36hd820cbe_1.tar.bz2  5 years and 30 days ago 3385 main
conda 924.6 kB | linux-64/r-rcppalgos-2.4.1-r40hd820cbe_1.tar.bz2  5 years and 30 days ago 3340 main
conda 886.4 kB | osx-64/r-rcppalgos-2.4.1-r36h33c12bb_0.tar.bz2  5 years and 1 month ago 328 main
conda 895.1 kB | osx-64/r-rcppalgos-2.4.1-r35h33c12bb_0.tar.bz2  5 years and 1 month ago 319 main
conda 946.6 kB | linux-64/r-rcppalgos-2.4.1-r36hd820cbe_0.tar.bz2  5 years and 1 month ago 3302 main

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