| Title: | Natural Logarithms of the Gamma Function for Large Values |
| Description: | Uses approximations to compute the natural logarithm of the Gamma function for large values. |
| Version: | 0.0.1 |
| Author: | Phillip Labuschagne <philliplab@gmail.com> |
| Maintainer: | Phillip Labuschagne <philliplab@gmail.com> |
| Suggests: | testthat |
| License: | GPL-3 |
| RoxygenNote: | 5.0.1 |
| NeedsCompilation: | no |
| Packaged: | 2017-06-01 17:02:03 UTC; phillipl |
| Repository: | CRAN |
| Date/Publication: | 2017-06-02 06:26:03 UTC |
Computes the natural logarithm of the gamma function.
Description
For values larger than 12, an approximation is used.
Usage
gammaln(x)
Arguments
x |
A numeric vector of positive numbers. |
Examples
gammaln(5)
gammaln(50)
Computes the natural logarithm of the gamma function for values larger than 12.
Description
Uses the approximation in Hart et al, Computer Approximations 1968.
Usage
gammaln_internal(x)
Arguments
x |
A numeric value of length 1 greater than 12 |
Examples
gammaln_internal(50)