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fastrc: Fast Reverse Complement of DNA and RNA Sequences

Fast reverse complement of DNA and RNA sequences using a 'C++' lookup table for O(1) per-base complement mapping. Supports full IUPAC ambiguity codes, DNA and RNA modes, case preservation, and NA handling. Much faster than other packages for computing reverse complements of many short sequences such as primers, probes, and, k-mers.

Version: 0.0.2
Imports: Rcpp
LinkingTo: Rcpp
Suggests: testthat (≥ 3.0.0)
Published: 2026-03-03
DOI: 10.32614/CRAN.package.fastrc
Author: Steven G. Rozen [aut, cre]
Maintainer: Steven G. Rozen <steverozen at pm.me>
License: GPL (≥ 3)
NeedsCompilation: yes
Language: en-US
Materials: NEWS
CRAN checks: fastrc results

Documentation:

Reference manual: fastrc.html , fastrc.pdf

Downloads:

Package source: fastrc_0.0.2.tar.gz
Windows binaries: r-devel: fastrc_0.0.2.zip, r-release: fastrc_0.0.2.zip, r-oldrel: fastrc_0.0.2.zip
macOS binaries: r-release (arm64): fastrc_0.0.2.tgz, r-oldrel (arm64): fastrc_0.0.2.tgz, r-release (x86_64): fastrc_0.0.2.tgz, r-oldrel (x86_64): fastrc_0.0.2.tgz

Linking:

Please use the canonical form https://CRAN.R-project.org/package=fastrc to link to this page.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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