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expint: Exponential Integral and Incomplete Gamma Function

The exponential integrals E_1(x), E_2(x), E_n(x) and Ei(x), and the incomplete gamma function G(a, x) defined for negative values of its first argument. The package also gives easy access to the underlying C routines through an API; see the package vignette for details. A test package included in sub-directory example_API provides an implementation. C routines derived from the GNU Scientific Library <https://www.gnu.org/software/gsl/>.

Version: 0.1-8
Depends: R (≥ 3.3.0)
Published: 2022-10-28
DOI: 10.32614/CRAN.package.expint
Author: Vincent Goulet [cre, aut], Gerard Jungman [aut] (Original GSL code), Brian Gough [aut] (Original GSL code), Jeffrey A. Ryan [aut] (Package API), Robert Gentleman [aut] (Parts of the R to C interface), Ross Ihaka [aut] (Parts of the R to C interface), R Core Team [aut] (Parts of the R to C interface), R Foundation [aut] (Parts of the R to C interface)
Maintainer: Vincent Goulet <vincent.goulet at act.ulaval.ca>
BugReports: https://gitlab.com/vigou3/expint/-/issues
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
URL: https://gitlab.com/vigou3/expint
NeedsCompilation: yes
Citation: expint citation info
Materials: NEWS
In views: NumericalMathematics
CRAN checks: expint results

Documentation:

Reference manual: expint.pdf
Vignettes: expint user manual

Downloads:

Package source: expint_0.1-8.tar.gz
Windows binaries: r-devel: expint_0.1-8.zip, r-release: expint_0.1-8.zip, r-oldrel: expint_0.1-8.zip
macOS binaries: r-release (arm64): expint_0.1-8.tgz, r-oldrel (arm64): expint_0.1-8.tgz, r-release (x86_64): expint_0.1-8.tgz, r-oldrel (x86_64): expint_0.1-8.tgz
Old sources: expint archive

Reverse dependencies:

Reverse imports: actuar, bbreg, BoundEdgeworth, ccrtm, dwp, extrafrail, frailtyEM, new.dist, SAME, SenTinMixt, Temporal
Reverse linking to: actuar
Reverse suggests: blme

Linking:

Please use the canonical form https://CRAN.R-project.org/package=expint 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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