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PreciseSums
View on CRAN: Click
here
Download and install PreciseSums package within the R console
Install from CRAN:
install.packages("PreciseSums")
Install from Github:
library("remotes")
install_github("cran/PreciseSums") Install by package version:
library("remotes")
install_version("PreciseSums", "0.7") Attach the package and use:
library("PreciseSums")
Maintained by
Matthew Fidler
[Scholar Profile | Author Map]
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2017-11-14
Latest Update: 2024-09-17
Description:
Most of the time floating point arithmetic does
approximately the right thing. When adding sums or having products
of numbers that greatly differ in magnitude, the floating point
arithmetic may be incorrect. This package implements the Kahan
(1965) sum , Neumaier (1974) sum
, pairwise-sum (adapted from 'NumPy',
See Castaldo (2008) for a discussion of
accuracy), and arbitrary precision sum (adapted from the fsum in
'Python' ; Shewchuk (1997)
). In addition,
products are changed to long double precision for accuracy, or
changed into a log-sum for accuracy.
How to cite:
Matthew Fidler (2017). PreciseSums: Accurate Floating Point Sums and Products. R package version 0.7, https://cran.r-project.org/web/packages/PreciseSums. Accessed 26 Aug. 2026.
Previous versions and publish date:
Other packages that cited PreciseSums R package
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Other R packages that PreciseSums depends,
imports, suggests or enhances
Complete documentation for PreciseSums
Functions, R codes and Examples using
the PreciseSums R package
Some associated functions: fsum . kahanSum . neumaierSum . pairwiseSum . psProd . psSetProd . psSetSum . psSum .
Some associated R codes: sums.R . Full PreciseSums package functions and examples
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