 |
Stan
2.5.0
probability, sampling & optimization
|
All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Pages
|
Stan
2.5.0
probability, sampling & optimization
|
#include <boost/math/special_functions/gamma.hpp>Go to the source code of this file.
Namespaces | |
| stan | |
| Probability, optimization and sampling library. | |
| stan::math | |
| Matrices and templated mathematical functions. | |
Functions | |
| double | stan::math::lgamma (double x) |
| |
![\[ \mbox{lgamma}(x) = \begin{cases} \textrm{error} & \mbox{if } x\in \{\dots,-3,-2,-1,0\}\\ \ln\Gamma(x) & \mbox{if } x\not\in \{\dots,-3,-2,-1,0\}\\[6pt] \textrm{NaN} & \mbox{if } x = \textrm{NaN} \end{cases} \]](form_309.png)