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zuexact  

Exactly Rounded Sums, Means and Dot Products
View on CRAN: Click here


Download and install zuexact package within the R console
Install from CRAN:
install.packages("zuexact")

Install from Github:
library("remotes")
install_github("cran/zuexact")

Install by package version:
library("remotes")
install_version("zuexact", "0.1.0")



Attach the package and use:
library("zuexact")
Maintained by
Pedro Baltazar
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2026-10-22
Latest Update: 2026-10-22
Description:
Sums of double-precision numbers computed exactly and rounded once, so the result is the correctly rounded true sum and does not depend on the order of the elements, the platform, or whether R was built with long doubles. Built on the small and large superaccumulators of Neal (2015) <doi:10.48550/arXiv.1505.05571>. Provides exactly rounded sums, means, cumulative sums, dot products and norms, row, column and grouped sums, accumulators that can be built in pieces and merged across processes, and a registered 'C' interface for other packages.
How to cite:
Pedro Baltazar (2026). zuexact: Exactly Rounded Sums, Means and Dot Products. R package version 0.1.0, https://cran.r-project.org/web/packages/zuexact. Accessed 25 Oct. 2026.
Previous versions and publish date:
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Complete documentation for zuexact
Functions, R codes and Examples using the zuexact R package
Full zuexact package functions and examples
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